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Top Java Developers in Johannesburg

Ratings Updated: January 3, 2026

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7 Leaders 15 Contenders

28 Companies

Country: South Africa

City: Johannesburg

Programming & Scripting: Java

List of the Top Johannesburg Java Development Companies

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Digis, a Fiverr company (NYSE: FVRR)

4.9 87 reviews
Premier Verified

$5,000+

$25 - $49 / hr

50 - 249

Serves Johannesburg, South Africa

Services provided

50% Custom Software Development

50% Web Development

Focus Areas

10% Java

10% ASP.NET

10% C# +7

10% JavaScript

10% PHP

10% Python

10% Rust

10% SQL

10% Scala

10% Swift

Digis, a Fiverr company (NYSE: FVRR), is a bespoke software development firm specializing in full stack and tailored software development solutions. With a strong emphasis on software engineering excellence, 100% of reviews praise their technical expertise and seamless team integration. Their high customer satisfaction is marked by reliable delivery and proactive project management, as highlighted by 90% of reviewers.

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6 of 6 reviews are 5 stars

4 new reviews for Custom Software Development services

$10,000 – $49,000 avg. project cost

Reviewed 6 times in the past 6 months
Recent reviews for Digis, a Fiverr company (NYSE: FVRR), highlight a strong overall sentiment, with clients praising their effective project management and collaborative approach. Notably, a client reported a 25% reduction in bug backlog within a month due to Digis' maintenance efforts. Another emphasized timely deliverables and excellent communication, stating, "We consider ourselves very lucky to find Digis." Overall, clients appreciated Digis' responsiveness and quality of work, with no significant areas for improvement identified.
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2 of 2 Java reviews are 5 stars

1 new review for Java in past 6 months

Unknown avg. project cost

Java Experience

The reviews indicate a highly positive sentiment towards Digis' Java services, with 100% of clients expressing satisfaction. Key strengths include effective communication, timely delivery, and the ability to adapt to project needs. Clients highlighted Digis' expertise in building microservices and enhancing software features. Notably, the company excelled in project management, with one client stating it was the best agency experience encountered. Areas for improvement were minimal, with clients suggesting increased proactivity in proposing solutions.
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Average Project Cost Breakdown

$10,000 to $49,000 (24) $50,000 to $199,999 (16) Less than $10,000 (8) $200,000 to $999,999 (6) $1,000,000 to $9,999,999 (4)

What Clients Have Said
Clients consistently praised Digis for their competitive pricing and strong value for money. Feedback highlighted that Digis' services fit within budget constraints while delivering high-quality work, leading to successful project outcomes. One client noted, 'Pricing fit our budget' and 'Good value for cost,' while another emphasized the 'excellent quality of work' relative to investment. Overall, clients expressed satisfaction with the return on investment, often noting timely deliverables and effective communication throughout the process.
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1 of 1 Johannesburg-based review is 5 stars

Unknown avg. project cost for Custom Software Development services in Johannesburg

Custom Software Development project highlight

Development Staff Augmentation for Online Cooking Platform
5.0 — Digis, a Fiverr company (NYSE: FVRR) provides staff augmentation services for an online cooking platform. The team is fully integrated into the client's existing agile squads and contributes to the Read more
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CubeZoo

4.9 31 reviews

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Premier Verified

$10,000+

$25 - $49 / hr

10 - 49

Johannesburg, South Africa

Services provided

15% Custom Software Development

30% Mobile App Development

20% AI Development +2

20% Web Development

15% UX/UI Design

Focus Areas

30% Java

30% PHP

30% Swift +1

10% ASP.NET

CubeZoo is a custom software development company specializing in tailored software solutions, including UX design, API development, and platform management. Client feedback highlights their strategic approach and technical proficiency, with 100% of reviews noting their ability to meet deadlines and adapt to complex requirements. Their communication is consistently praised, though some clients suggest more frequent visual updates in early project stages.

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1 of 2 reviews are 5 stars

1 new review for Custom Software Development services

$50,000 – $199,999 avg. project cost

Reviewed 2 times in the past 6 months
Recent reviews for CubeZoo reflect a positive overall sentiment, highlighting their professionalism and effective project management. Clients praised the team for timely deliveries and clear communication. Notable achievements include a 42% improvement in page-load speed and a 38% increase in user engagement for one client. However, suggestions for improvement included providing more frequent progress updates during early design stages and potentially increasing team size to expedite project timelines.
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More responsive than most other service providers

CubeZoo is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
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South Africa (23) Switzerland (2) England (2) United Arab Emirates (1)

This provider is fluent in 1 language:

English

This provider is available in 2 time zones:

Greenwich Mean Time (GMT)

Central African Time (CAT)
1 of 2 Johannesburg-based review is 5 stars

$10,000 – $49,000 avg. project cost for Custom Software Development services in Johannesburg

Custom Software Development project highlight

Custom Software Dev for Financial Services Company
5.0 — CubeZoo is developing an API tool for a financial services company. The solution extracts data from accounting software programs and transforms those into reports and graphics. Read more
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Webtonic Solutions

4.9 10 reviews
Premier Verified

$10,000+

$25 - $49 / hr

10 - 49

Sandton, South Africa

Services provided

40% Custom Software Development

40% Enterprise App Modernization

10% IT Managed Services +1

10% IT Staff Augmentation

Focus Areas

40% Java

30% C#

10% ASP.NET +3

10% JavaScript

5% PHP

5% Python

Webtonic Solutions is a custom software development company specializing in tailored software development and bespoke software development services. Their clients have consistently praised the company's project management, dynamic approach, and ability to deliver on time. Approximately 80% of reviewers mentioned their structured process and communication, while 60% highlighted their flexible and client-focused approach.

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0 of 1 reviews is 5 stars

1 new review for Custom Software Development services

Unknown avg. project cost

Reviewed 1 time in the past 6 months
Recent client feedback on Webtonic Solutions highlights their effective project management and responsiveness. A National Distribution Manager from Acer Africa praised their ability to understand complex data requirements and deliver a comprehensive web application that consolidated essential information. The project was completed on time, with positive initial user feedback. Clients appreciated their dynamic approach and willingness to adapt, indicating high satisfaction with their services and no identified areas for improvement.
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Average Project Cost Breakdown

$10,000 to $49,000 (4) $50,000 to $199,999 (2) Less than $10,000 (1)

What Clients Have Said
Clients consistently express satisfaction with Webtonic Solutions' cost-effectiveness and value for money. Feedback highlights their competitive pricing, with one client noting that their budget considerations played a key role in choosing Webtonic. Another client emphasized that despite minimal hours contracted, the services provided were comprehensive and met all needs. Overall, clients appreciate the quality of work delivered in relation to costs, indicating a strong alignment between value and investment.
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More responsive than most other service providers

Webtonic Solutions is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
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South Africa (8) England (1)

This provider is fluent in 1 language:

English

This provider is available in 8 time zones:

Gulf Standard Time (GST)

Greenwich Mean Time (GMT)

Central African Time (CAT)

Central European Time (CET)

Central Standard Time (CST)

Eastern Standard Time (EST)

Singapore Standard Time (SGT)

South African Standard Time (SAST)
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Azilen Technologies

4.6 10 reviews
Verified

$10,000+

$25 - $49 / hr

250 - 999

Ahmedabad, India

Services provided

25% Custom Software Development

30% AI Development

25% AI Agents +1

20% IoT Development

Focus Areas

10% Java

10% ASP

10% ASP.NET +12

10% Elixir

10% Other programming & scripting languages

5% C#

5% C++

5% HTML5

5% JavaScript

5% PHP

5% Python

5% SQL

5% Scala

5% Swift

5% XML

Azilen Technologies is a bespoke software development company specializing in custom software creation and end-to-end software development. The company receives predominantly positive feedback, with clients praising their technical expertise, project management, and effective communication. Approximately 80% of reviews highlight their adaptability and collaborative approach, although minor concerns include managing cultural differences and time zone challenges.

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2 of 5 Custom Software Development reviews are 5 stars

$200,000 – $999,999 avg. project cost

Custom Software Development PROJECT HIGHLIGHT

Java Development for Digital Services Firm
4.5 — Azilen Technologies made use of a Java tech stack while assisting their software development partner in creating a custom development for a third-party client. They augmented the team to meet a Read more
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Industry Experience

Azilen Technologies has received positive feedback across multiple industries, including Telecommunications, IT Services, Information Technology, and Education. Clients consistently praise their expertise in software development, project management, and communication. In Telecommunications, they effectively supported IoT startups, while in IT Services, their contributions led to successful custom solutions. Their work in Education involved enhancing mobile applications, demonstrating adaptability and technical proficiency. Overall, Azilen is well-suited for projects in these sectors, showcasing strengths in collaboration, efficiency, and high-quality deliverables.
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Telecommunications IT Services Information technology Education

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More responsive than most other service providers

Azilen Technologies is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
Get in Touch

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United States (3) Switzerland (2) England (2) Canada (1) Germany (1) India (1)

This provider is fluent in 1 language:

English

This provider is available in 5 time zones:

Greenwich Mean Time (GMT)

Central European Time (CET)

Central Standard Time (CST)

Eastern Standard Time (EST)

Pacific Standard Time (PST)
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Helios Design

5.0 3 reviews

Undisclosed

Undisclosed

10 - 49

Johannesburg, South Africa

Services provided

40% Web Development

30% Web Design

20% Mobile App Development +1

10% Low/No Code Development

Focus Areas

100% Java

Helios Design is a web development company renowned for its expertise in creating user-friendly, innovative websites and digital tools, particularly for legal firms. Across their reviews, clients commend their proactive and flexible approach, with 100% positive feedback highlighting seamless project management and exceptional client service. Helios Design consistently delivers high-quality, tailored solutions that enhance brand positioning and engagement.

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Reviews mention Trustworthy
Clients consistently describe Helios Design as a trustworthy partner, emphasizing their established relationships and excellent client service. One client noted, 'We felt completely safe in their capable hands,' highlighting the company's reliability. Their clear communication and agility in project management further contribute to the sentiment of trustworthiness. Overall, feedback indicates that Helios Design has never let clients down, establishing a strong foundation of trust in their professional services.

Web Development for Legal Services Company

5.0 Feb 16, 2021

Helios are excellent communicators, clear and concise. They are engaged, alert, and invested in our projects at all times. Helios provided a seamless service, and we felt completely safe in their capable hands. This is so important when running projects that have critical importance to positioning a firm such as ours in such a competitive market. I would say that our trust is the most impressive element of our relationship with Helios. They have never let us down.
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Industry Experience

Helios Design has demonstrated significant expertise in the legal industry, consistently receiving high praise for their innovative website development and digital presence strategies. Clients from prominent law firms noted their exceptional communication, project management, and technical skills, resulting in increased website traffic and enhanced brand positioning. Overall sentiment is overwhelmingly positive, highlighting Helios Design's ability to deliver tailored, effective solutions and maintain strong client relationships, making them a strong choice for legal sector projects.
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Legal

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Average Project Cost Breakdown

$10,000 to $49,000 (1)

What Clients Have Said
Clients consistently commend Helios Design for their cost-effectiveness and overall value. One client highlighted them as a 'natural choice' due to their 'excellent client service and delivery' at a competitive price. Another noted the 'impressive qualities' and 'technical expertise', emphasizing their value for money in various projects. Overall, the sentiment reflects strong satisfaction with the company's pricing relative to the quality of work delivered.
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England (2) South Africa (1)
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Netgen Custom Software

5.0 2 reviews

$1,000+

$25 - $49 / hr

10 - 49

Randburg, South Africa

Services provided

50% Custom Software Development

25% Mobile App Development

20% Web Development +1

5% Digital Strategy

Focus Areas

10% Java

25% C#

10% AJAX +6

10% ASP.NET

10% JavaScript

10% Other programming & scripting languages

10% SQL

10% Visual Basic

5% XML

Netgen Custom Software excels in tailored software development, particularly in redesigning and modernizing databases. They are highly responsive and maintain effective communication, with 100% of reviewers highlighting their promptness in feedback handling. The company has shown a significant positive impact, notably improving user-friendliness and functionality in their projects. Overall, client feedback is overwhelmingly positive, with no significant areas for improvement noted.

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Reviews mention Detail-oriented
Clients have highlighted Netgen Custom Software's exceptional attention to detail as a significant strength. One client noted their 'impressive' focus on detail and friendliness, which contributed to effective communication throughout the project. This sentiment reflects a broader appreciation for the company's meticulous approach, suggesting that potential buyers can expect thoroughness and care in their project execution.

National Performance Register for Educational Institution

5.0 Jan 27, 2021

The client noted that Netgen Custom Software displayed attention to detail throughout the engagement. This characteristic was particularly impressive and contributed positively to the workflow and communication dynamics between the teams.
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1 of 1 Custom Software Development reviews are 5 stars

Unknown avg. project cost

Custom Software Development PROJECT HIGHLIGHT

Database Dev. for Peace Operations Organization
5.0 — Netgen Custom Software was hired by a peace operations organization to build and revamp their database. Their aim is to make it more user-friendly and navigable and modernize the interface and its Read more
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What Clients Have Said
Clients have expressed satisfaction with Netgen Custom Software's cost-effectiveness and value for money. One project manager noted that Netgen's responsiveness to feedback and ongoing willingness to refine their deliverables significantly enhanced project outcomes, demonstrating their commitment to client needs. Another client, an ICT manager, highlighted their existing relationship with Netgen, which facilitated effective communication and workflow, reinforcing the perception of good value without any noted areas for improvement.
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Germany (1) South Africa (1)
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Web SEM Online

5.0 2 reviews

$1,000+

$50 - $99 / hr

10 - 49

Johannesburg, South Africa

Services provided

40% Search Engine Optimization

30% Pay Per Click

20% Web Development +1

10% Low/No Code Development

Focus Areas

25% Java

25% JavaScript

25% PHP +2

15% SQL

10% XML

Web SEM Online is a comprehensive digital marketing and SEO agency that excels in web development and online marketing services. They receive overwhelmingly positive feedback, with clients praising their technical expertise, dedication, and responsiveness. Notably, 100% of reviewers highlighted their commitment to deliverables and personal relationships, making them an indispensable partner.

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Reviews mention Dedicated
Clients have consistently praised Web SEM Online for their exceptional dedication and commitment to project objectives. One notable feedback from a Marketing Manager at Genesis Medical Scheme highlighted the company's 24/7 availability and ownership of business goals, emphasizing their indispensable role in the client's operations. The feedback reflects a strong sentiment of satisfaction, with clients noting the agency's technical expertise, attention to detail, and timely delivery of services as key strengths.

Web Dev, SEO & Digital Mktg for Healthcare Insurance Co

5.0 Jul 11, 2025

ALWAYS deliver on time and always responding to our requests. What did you find most impressive or unique about this company? Technical expertise, dedication, commitment, deliverables, personal relationships.
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1 of 1 reviews is 5 stars

Unknown avg. project cost

Reviewed 1 time in the past 6 months
In recent reviews, clients commend Web SEM Online for their exceptional technical expertise, dedication, and commitment to delivering results. A Marketing Manager from Genesis Medical Scheme highlighted their integral role in enhancing online visibility and SEO performance, praising the team's responsiveness and timely delivery. The personalized service and strong relationships fostered by Web SEM Online were noted as key differentiators, with no significant areas for improvement identified by clients.
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Industry Experience

Web SEM Online has received positive feedback across multiple industries, notably Healthcare and Retail. In the Healthcare sector, clients praised their technical expertise, commitment, and seamless project management, emphasizing significant improvements in online visibility and performance. In Retail, the company excelled in enhancing eCommerce websites and boosting sales through effective SEO strategies. Overall, Web SEM Online is recognized for its dedication, strong communication, and delivering results, making it a suitable choice for businesses in both Healthcare and Retail.
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Healthcare Retail

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Average Project Cost Breakdown

$10,000 to $49,000 (1)

What Clients Have Said
Clients commend the company for its exceptional value and cost-effectiveness. One CEO noted that Web SEO Online was not hard-sell and allowed flexibility in service contracts, enhancing their experience. The Marketing Manager from Genesis Medical Scheme highlighted the firm's comprehensive services and unwavering dedication, emphasizing that their expertise and commitment make them an invaluable partner. Overall, feedback reflects a strong sentiment of satisfaction regarding the company's pricing relative to the quality of service provided.
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Versys Media

5.0 3 reviews

$1,000+

$50 - $99 / hr

2 - 9

Sandton, South Africa

Services provided

40% Web Design

20% Graphic Design

20% Web Development +2

10% Other Digital Marketing

10% Search Engine Optimization

Focus Areas

20% Java

20% JavaScript

20% PHP +2

20% Python

20% SQL

Versys Media is a web development and digital marketing company recognized for its exceptional service delivery and creative capabilities. With a 100% positive feedback rate, clients commend their effective project management, brand alignment, and user-friendly design solutions. Notably, Versys Media significantly enhances online presence, as evidenced by exponential business growth and consistently satisfied clients.

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Reviews mention Exceeds expectations
Versys Media consistently exceeds client expectations, as evidenced by one client's feedback on their web design projects. The client reported significant improvements in project completion time, quality, and customer satisfaction, stating that they had no unsatisfied clients. Notably, the team demonstrated exceptional communication and problem-solving skills, going above and beyond to deliver alternative solutions. The overall sentiment reflects a high level of satisfaction, with no areas for improvement identified.

WordPress Web Design & SEO for Web Development Firm

5.0 Feb 3, 2021

We used the time to complete a project, quality of the project, and customer satisfaction as metrics for success. There were major improvements in all three areas. The time to complete a project was cut in half. The quality, in terms of features and UX, was great. To top it all off, we haven’t had any unsatisfied clients. Everything was good across the board.
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WordPress Web Design & SEO for Web Development Firm

5.0 Feb 3, 2021

They went above and beyond. The team wasn’t afraid to come up with alternative solutions to problems and implement them without overcomplication.
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Industry Experience

Versys Media has demonstrated expertise in the construction and advertising & marketing industries. Clients in construction praised their ability to enhance online presence and deliver user-friendly websites, resulting in significant business growth. In the advertising sector, they excelled in web design and SEO, improving project timelines and client satisfaction. Overall, feedback reflects a strong sentiment of reliability and creativity, suggesting Versys Media is particularly well-suited for projects in these fields.
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Construction Advertising & marketing

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Average Project Cost Breakdown

Less than $10,000 (2)

What Clients Have Said
Clients commend Versys Media for delivering excellent value for money, particularly highlighting the cost-effectiveness of their services. One client noted a project investment of approximately $1,350, leading to significant improvements in project timelines and quality. Another client emphasized their satisfaction with the website's alignment with their brand and ease of navigation, stating that Versys Media's work has contributed to substantial business growth. Overall, the sentiment reflects a strong endorsement of the company's pricing relative to the quality of their deliverables.
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Thought Inc.

4.5 1 review

$5,000+

$25 - $49 / hr

10 - 49

Johannesburg, South Africa

Services provided

10% Custom Software Development

30% Mobile App Development

30% Web Development +3

10% AR/VR Development

10% UX/UI Design

10% Web Design

Focus Areas

11% Java

11% Objective C

11% PHP +12

11% Ruby

6% Kotlin

5% ASP

5% ASP.NET

5% C#

5% Ember.js

5% JavaScript

5% Python

5% SQL

5% Swift

5% Visual Basic

5% XML

Thought Inc. is a mobile app development company specializing in creating training solutions for iOS and Android platforms. The feedback is predominantly positive, highlighting their responsive communication and proactive approach, though 100% of reviewers mention project delays, suggesting an area for improvement in project scoping.

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Industry Experience

Thought Inc. has demonstrated significant expertise in the education sector, particularly in developing mobile applications for training solutions. Feedback highlights their responsive project management, proactive team approach, and commitment to client needs, although some projects experienced delays. Overall, clients express satisfaction with their professionalism and problem-solving capabilities, making Thought Inc. a strong candidate for educational and related industries seeking mobile development expertise.
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Other Industry

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Average Project Cost Breakdown

What Clients Have Said
Clients generally perceive Thought Inc. as providing good value for money, particularly appreciating their responsiveness and proactive approach. One reviewer noted that while the project has taken longer than anticipated, the attention to detail justifies the costs. However, they advised potential clients to ensure proper scoping of work upfront, as this might incur higher initial costs but could prevent delays and additional expenses later on.
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Neslo Tech

Not yet reviewed

$1,000+

Undisclosed

10 - 49

Sandton, South Africa

Services provided

50% Custom Software Development

30% UX/UI Design

10% Low/No Code Development +1

10% Web Design

Focus Areas

10% Java

10% JavaScript

10% Python +13

10% Ruby

5% AJAX

5% ASP.NET

5% C#

5% C++

5% Ember.js

5% HTML5

5% PHP

5% Redux

5% SQL

5% Typescript

5% XML

5% jquery

Neslo Tech is a software development firm founded in 2019. The agency offers Custom Software Development and UX/UI Design, and is small.
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ExoSystems

Not yet reviewed

$25,000+

$50 - $99 / hr

10 - 49

Randburg, South Africa

Services provided

30% Custom Software Development

30% Enterprise App Modernization

30% Mobile App Development +1

10% Other Application Development

Focus Areas

25% Java

25% ASP.NET

25% SQL +1

25% Visual Basic

ExoSystems, a software development company, was established in 2012. The firm focuses on Custom Software Development and Mobile App Development.
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DVT

Not yet reviewed

$10,000+

Undisclosed

250 - 999

Johannesburg, South Africa

Services provided

20% Custom Software Development

20% Application Testing

20% BI & Big Data Consulting & SI +2

20% IT Staff Augmentation

20% Web Development

Focus Areas

20% Java

20% C#

20% HTML5 +2

20% JavaScript

20% SQL

In Johannesburg, South Africa and London, England, DVT is a data analytics company. Their services include BI & big data consulting & SI and IT staff augmentation.
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Linkfields Innovations

Not yet reviewed

$5,000+

< $25 / hr

250 - 999

Midrand, South Africa

Services provided

20% Custom Software Development

30% Application Testing

30% Enterprise App Modernization +2

10% IT Managed Services

10% IT Staff Augmentation

Focus Areas

30% Java

30% JavaScript

20% PHP +1

20% Typescript

Linkfields Innovations is a midsize Midrand, South Africa-based Enterprise App Modernization company. Their services include Enterprise App Modernization and Application Testing.
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You_Source

Not yet reviewed

$25,000+

$50 - $99 / hr

50 - 249

Sandton, South Africa

Services provided

50% Custom Software Development

40% IT Staff Augmentation

10% Low/No Code Development

Focus Areas

10% Java

20% C#

15% JavaScript +5

15% PHP

15% Ruby

10% Python

10% SQL

5% ASP.NET

You_Source is a custom software development company. In Makati, Philippines and Sandton, South Africa, the team provides Custom Software Development and IT staff augmentation.
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Ltech Dev

Not yet reviewed

$1,000+

$25 - $49 / hr

2 - 9

Johannesburg, South Africa

Services provided

30% Custom Software Development

20% Web Development

10% Cybersecurity +4

10% Graphic Design

10% Logo

10% UX/UI Design

10% Web Design

Focus Areas

30% Java

30% PHP

10% JavaScript +3

10% Other programming & scripting languages

10% Python

10% SQL

Ltech Dev is a software development firm launched in 2017. The team focuses on Custom Software Development and Web Development.
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Primotion

Not yet reviewed

$5,000+

$25 - $49 / hr

2 - 9

Roodepoort, South Africa

Services provided

20% Custom Software Development

50% Mobile App Development

30% Web Development

Focus Areas

20% Java

20% Go

20% Kotlin +2

20% SQL

20% Swift

Primotion is an application development company. Their small team of employees is located in Roodepoort, South Africa. Their team specializes in Mobile App Development and Web Development.
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Akhona Technologies

Not yet reviewed

$1,000+

$25 - $49 / hr

2 - 9

Midrand, South Africa

Services provided

30% Custom Software Development

25% Web Development

20% Mobile App Development +2

15% Application Testing

10% Application Management & Support

Focus Areas

15% Java

20% Visual Basic

15% Delphi +4

15% PHP

15% SQL

10% JavaScript

10% XML

Established in 2015, Akhona Technologies is a small Midrand, South Africa-based software development company. Their services include Custom Software Development and Web Development.
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iMarttrends

Not yet reviewed

$1,000+

$25 - $49 / hr

2 - 9

Randburg, South Africa

Services provided

30% Mobile App Development

30% Web Development

15% Low/No Code Development +2

15% UX/UI Design

10% Web Design

Focus Areas

25% Java

25% JavaScript

25% PHP +1

25% Python

IMarttrends is a website development company. The team provides Web Development and Mobile App Development and is in London, England and Randburg, South Africa.
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idts

Not yet reviewed

$1,000+

$25 - $49 / hr

2 - 9

Sandton, South Africa

Services provided

15% Custom Software Development

30% Mobile App Development

30% Web Development +2

15% Web Design

10% E-Commerce Development

Focus Areas

10% Java

20% JavaScript

15% C# +4

15% Objective C

15% SQL

15% Visual Basic

10% Python

Idts is a small website development company in Cape Town, South Africa and Sandton, South Africa. Their services include Web Development and Mobile App Development.
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Symbionix

Not yet reviewed

$25,000+

$50 - $99 / hr

10 - 49

Sandton, South Africa

Services provided

20% Custom Software Development

20% IT Staff Augmentation

20% IT Strategy Consulting +4

15% DevOps Managed Services

10% AI Consulting

10% Mobile App Development

5% AI Development

Focus Areas

25% Java

30% C#

15% Typescript +3

10% JavaScript

10% Kotlin

10% Python

Launched in 2019, Symbionix is a small Sandton, South Africa-based IT strategy consulting company. Their services include IT strategy consulting and IT staff augmentation.
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Platform45

Not yet reviewed

$100,000+

$50 - $99 / hr

50 - 249

Johannesburg, South Africa

Services provided

25% Mobile App Development

25% Product Design

25% UX/UI Design +2

15% Web Development

10% Low/No Code Development

Focus Areas

10% Java

20% Ruby

10% ASP.NET +9

10% C++

10% JavaScript

10% SQL

5% C#

5% Kotlin

5% PHP

5% Python

5% Swift

5% Typescript

Platform45 is an user experience design company launched in 2008. The company focuses on UX/UI Design and Product Design.
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RCM Digital Solutions

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Alberton, South Africa

Services provided

30% Search Engine Optimization

20% Pay Per Click

15% Social Media Marketing +4

10% Low/No Code Development

10% Web Design

10% Web Development

5% Mobile App Development

Focus Areas

11% Java

12% Kotlin

11% C# +6

11% JavaScript

11% Objective C

11% PHP

11% Python

11% SQL

11% Swift

RCM Digital Solutions is an Alberton, South Africa-based SEO services firm. Founded in 2013, the team focuses on Search Engine Optimization and Pay Per Click.
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DevGenex

Not yet reviewed

$25,000+

$25 - $49 / hr

2 - 9

Sandton, South Africa

Services provided

25% Custom Software Development

20% BI & Big Data Consulting & SI

15% Cloud Consulting & SI +5

10% Enterprise App Modernization

10% Mobile App Development

10% Web Development

5% ERP Consulting and SI

5% Robotics Process Automation

Focus Areas

10% Java

15% ASP.NET

15% C# +6

15% SQL

10% HTML5

10% JavaScript

10% Kotlin

10% Typescript

5% Python

DevGenex is a software development firm. In Sandton, South Africa, the team provides Custom Software Development and BI & big data consulting & SI.
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Sun Technosystems

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Midrand, South Africa

Services provided

10% Custom Software Development

20% Mobile App Development

10% AR/VR Development +9

10% Low/No Code Development

10% UX/UI Design

10% Web Development

5% CRM Consulting and SI

5% Cloud Consulting & SI

5% Document Digitization & Management

5% ECM Consulting and SI

5% ERP Consulting and SI

5% Unified Communications Consulting & SI

Focus Areas

11% Java

11% C#

9% Other programming & scripting languages +28

6% JavaScript

6% Kotlin

5% Delphi

5% HTML5

5% Python

5% SQL

3% Redux

3% Typescript

2% AJAX

2% ASP

2% ASP.NET

2% Apex

2% C++

2% Ember.js

2% PHP

2% Perl

2% Rust

2% Scala

2% Swift

1% C

1% ColdFusion

1% Elixir

1% Go

1% Objective C

1% Ruby

1% UnrealScript

1% Visual Basic

1% XML

Sun Technosystems, a web development company, was launched in 2018. The small team focuses on Web Development and Mobile App Development.
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FJ worX

Not yet reviewed

$1,000+

$25 - $49 / hr

2 - 9

Sandton, South Africa

Services provided

5% Custom Software Development

10% Content Marketing

10% Graphic Design +12

10% Mobile App Development

10% UX/UI Design

10% Web Development

5% Branding

5% Logo

5% Packaging Design

5% Print Design

5% Product Design

5% Search Engine Optimization

5% Social Media Marketing

5% Video Production

5% Web Design

Focus Areas

10% Java

15% Python

10% C++ +8

10% JavaScript

10% Other programming & scripting languages

10% PHP

10% Redux

10% XML

5% C#

5% Objective C

5% SQL

FJ worX, an UX company, was launched in 2020. The agency focuses on UX/UI Design and Content Marketing.
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DevIgnite

Not yet reviewed

$1,000+

$25 - $49 / hr

2 - 9

Sandton, South Africa

Services provided

20% E-Commerce Development

20% Mobile App Development

20% Search Engine Optimization +2

20% UX/UI Design

20% Web Development

Focus Areas

10% Java

20% HTML5

10% ASP.NET +6

10% C#

10% JavaScript

10% Kotlin

10% Other programming & scripting languages

10% Python

10% XML

Founded in 2025, DevIgnite is a small SEO services firm. Their team provides Search Engine Optimization and UX/UI Design.
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iSolve Mobility

Not yet reviewed

$5,000+

$50 - $99 / hr

10 - 49

Sandton, South Africa

Services provided

20% Custom Software Development

80% Mobile App Development

Focus Areas

20% Java

40% C#

40% PHP

Launched in 2012, iSolve Mobility is an application development firm. Their services include Mobile App Development and Custom Software Development.
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DAITA (Pty) Ltd

Not yet reviewed

Undisclosed

$25 - $49 / hr

10 - 49

Centurion, South Africa

Services provided

30% Custom Software Development

10% Business Consulting

10% Low/No Code Development +10

10% Mobile App Development

10% Web Design

5% Application Management & Support

5% Document Digitization & Management

5% Robotics Process Automation

5% Web Development

4% Enterprise App Modernization

2% AI Development

2% Application Testing

2% Other Application Development

Focus Areas

10% Java

25% ASP.NET

25% C# +3

25% JavaScript

10% SQL

5% Visual Basic

Established in 2010, DAITA (Pty) Ltd is a small custom software development firm based in Centurion, South Africa. Their team provides Custom Software Development and Mobile App Development.
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obmatjeke tech LTD PTY

Not yet reviewed

$1,000+

Undisclosed

2 - 9

Soshanguve, South Africa

Services provided

20% Custom Software Development

20% IT Managed Services

20% Mobile App Development +2

20% Web Design

20% Web Development

Focus Areas

60% Java

25% JavaScript

15% Python

Web design agency obmatjeke tech LTD PTY was founded in 2023. The firm focuses on Web Design and IT managed services, and is small.
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Why Trust Clutch

At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.

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We evaluate service providers using a structured methodology that combines:

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Market presence
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Ability to deliver

Focus

Proven

Market Leaders

Emerging

Niche

Clutch Leaders Matrix

Rollover to see company insights or click a company below for more details.

1 CubeZoo

2 Webtonic Solutions

3 Helios Design

4 Netgen Custom Software

5 Web SEM Online

6 Versys Media

7 Thought Inc.

A Clutch Leaders Matrix provides a broad view of the top-performing companies in a particular service or location. Each company featured in a Leaders Matrix is evaluated based on Focus and Ability to Deliver. The size of each circle indicates that company’s size.

By using verified reviews, focused service details, and real project data, the Leaders Matrix highlights companies that consistently deliver and stand out from the rest. Each company’s position is based on how well they focus on a service area and how consistently they deliver results, helping you make informed, confident decisions. Learn More

Focus (x-axis)

Focus accounts for a company’s specialization within a certain service.

Ability to Deliver (y-axis)

Ability to Deliver considers three criteria:

Client feedback and reviews
Work experience and previous projects
Market presence and reputation in the industry

List of the Top 7 Johannesburg Java Development Companies

CubeZoo

$10,000+

$25 - $49 / hr

10 - 49

Johannesburg, South Africa

Ability to deliver

37.1/40.0

17.8/20 Reviews

10/10 Clients & Experience

9.3/10 Market Presence

Service focus

15% Custom Software Development

30% Java

20% Web Development

65% Other

View Profile Visit Website
Webtonic Solutions

$10,000+

$25 - $49 / hr

10 - 49

Sandton, South Africa

Ability to deliver

31.6/40.0

16.2/20 Reviews

9.8/10 Clients & Experience

5.7/10 Market Presence

Service focus

40% Custom Software Development

40% Java

60% Other

View Profile Visit Website
Helios Design

Undisclosed

Undisclosed

10 - 49

Johannesburg, South Africa

Ability to deliver

24.1/40.0

16.2/20 Reviews

2.1/10 Clients & Experience

5.8/10 Market Presence

Service focus

40% Web Development

60% Other

View Profile Visit Website
Netgen Custom Software

$1,000+

$25 - $49 / hr

10 - 49

Randburg, South Africa

Ability to deliver

25.4/40.0

16.2/20 Reviews

3.7/10 Clients & Experience

5.5/10 Market Presence

Service focus

50% Custom Software Development

10% Java

20% Web Development

30% Other

View Profile Visit Website
Web SEM Online

$1,000+

$50 - $99 / hr

10 - 49

Johannesburg, South Africa

Ability to deliver

28.4/40.0

16.4/20 Reviews

6.9/10 Clients & Experience

5.1/10 Market Presence

Service focus

20% Web Development

80% Other

View Profile Visit Website
Versys Media

$1,000+

$50 - $99 / hr

2 - 9

Sandton, South Africa

Ability to deliver

25.9/40.0

16.2/20 Reviews

4.9/10 Clients & Experience

4.8/10 Market Presence

Service focus

20% Web Development

80% Other

View Profile Visit Website
Thought Inc.

$5,000+

$25 - $49 / hr

10 - 49

Johannesburg, South Africa

Ability to deliver

19.8/40.0

14.6/20 Reviews

0/10 Clients & Experience

5.2/10 Market Presence

Service focus

10% Custom Software Development

11% Java

30% Web Development

60% Other

View Profile Visit Website
Neslo Tech

$1,000+

Undisclosed

10 - 49

Sandton, South Africa

Ability to deliver

14.7/40.0

0/20 Reviews

9.4/10 Clients & Experience

5.3/10 Market Presence

Service focus

50% Custom Software Development

10% Java

50% Other

View Profile Visit Website
ExoSystems

$25,000+

$50 - $99 / hr

10 - 49

Randburg, South Africa

Ability to deliver

11.4/40.0

0/20 Reviews

6.8/10 Clients & Experience

4.6/10 Market Presence

Service focus

30% Custom Software Development

25% Java

70% Other

View Profile Visit Website
DVT

$10,000+

Undisclosed

250 - 999

Johannesburg, South Africa

Ability to deliver

5.2/40.0

0/20 Reviews

0/10 Clients & Experience

5.2/10 Market Presence

Service focus

20% Custom Software Development

20% Java

20% Web Development

60% Other

View Profile Visit Website
Linkfields Innovations

$5,000+

< $25 / hr

250 - 999

Midrand, South Africa

Ability to deliver

5.2/40.0

0/20 Reviews

0/10 Clients & Experience

5.2/10 Market Presence

Service focus

20% Custom Software Development

30% Java

80% Other

View Profile Visit Website
You_Source

$25,000+

$50 - $99 / hr

50 - 249

Sandton, South Africa

Ability to deliver

5.4/40.0

0/20 Reviews

0/10 Clients & Experience

5.4/10 Market Presence

Service focus

50% Custom Software Development

10% Java

50% Other

View Profile Visit Website
Ltech Dev

$1,000+

$25 - $49 / hr

2 - 9

Johannesburg, South Africa

Ability to deliver

4.6/40.0

0/20 Reviews

0/10 Clients & Experience

4.6/10 Market Presence

Service focus

30% Custom Software Development

30% Java

20% Web Development

50% Other

View Profile Visit Website
Primotion

$5,000+

$25 - $49 / hr

2 - 9

Roodepoort, South Africa

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

20% Custom Software Development

20% Java

30% Web Development

50% Other

View Profile Visit Website
Akhona Technologies

$1,000+

$25 - $49 / hr

2 - 9

Midrand, South Africa

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

30% Custom Software Development

15% Java

25% Web Development

45% Other

View Profile Visit Website
iMarttrends

$1,000+

$25 - $49 / hr

2 - 9

Randburg, South Africa

Ability to deliver

4.6/40.0

0/20 Reviews

0/10 Clients & Experience

4.6/10 Market Presence

Service focus

30% Web Development

70% Other

View Profile Visit Website
idts

$1,000+

$25 - $49 / hr

2 - 9

Sandton, South Africa

Ability to deliver

4.6/40.0

0/20 Reviews

0/10 Clients & Experience

4.6/10 Market Presence

Service focus

15% Custom Software Development

10% Java

30% Web Development

55% Other

View Profile Visit Website
Symbionix

$25,000+

$50 - $99 / hr

10 - 49

Sandton, South Africa

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

20% Custom Software Development

25% Java

80% Other

View Profile Visit Website
Platform45

$100,000+

$50 - $99 / hr

50 - 249

Johannesburg, South Africa

Ability to deliver

5.6/40.0

0/20 Reviews

0/10 Clients & Experience

5.6/10 Market Presence

Service focus

15% Web Development

85% Other

View Profile Visit Website
RCM Digital Solutions

Undisclosed

Undisclosed

50 - 249

Alberton, South Africa

Ability to deliver

5.7/40.0

0/20 Reviews

0/10 Clients & Experience

5.7/10 Market Presence

Service focus

10% Web Development

90% Other

View Profile Visit Website
DevGenex

$25,000+

$25 - $49 / hr

2 - 9

Sandton, South Africa

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

25% Custom Software Development

10% Java

10% Web Development

65% Other

View Profile Visit Website
Sun Technosystems

Undisclosed

Undisclosed

10 - 49

Midrand, South Africa

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

10% Custom Software Development

11% Java

10% Web Development

80% Other

View Profile Visit Website

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