Looking for a reliable partner who will provide not just software development but also peace of mind? You’re in the right place.
We are tech experts who guide you through the software development process. We don’t just write code. First, we listen to your needs. Second, we advise how to best approach them. Finally, we put your vision into reality by implementing accurate technical solutions. Contact us at 4soft.co to talk about your project or keep reading to learn more ⬇️
Our core specialization is Blockchain.
We’ve been doing it since 2017 and have been rated as Top 4 for Blockchain development by Clutch, worldwide. Along the way, we’ve been expanding our portfolio to digital transformation and data processing / artificial intelligence projects. We combine these with standard custom software development.
Our expertise areas Blockchain | Digital Transformation | Data Processing and Artificial Intelligence | Custom Software Development
Industries we’ve worked with include Blockchain Analytics | Crypto Compliance | Financial Services | Business Services | eCommerce | Healthcare | Telecommunications | Transportation | Arts | Manufacturing
Markets we’ve worked with include USA | United Kingdom | Australia | France | Switzerland | Germany | Norway | Belgium | Italy | Czech Republic | Dubai | Saudi Arabia | India | Singapore | Thailand | Indonesia | Poland
Tell us about your project 🚀 We are waiting to hear from you at hi@4soft.co
4soft offers competitive pricing and good value for cost, with clients consistently noting that their budgets were met. Projects span a range of costs, with some engagements reported between $10,000 and $500,000, depending on scope and complexity.
The use of modern technologies like blockchain, AI, and cloud services is a standout feature of 4soft's projects, enabling innovative solutions that meet contemporary business needs.
Successful Delivery of Complex Projects
4soft has a track record of successfully delivering complex projects, including IoT integration, digital marketplaces, and gaming platforms. Their work often leads to increased user engagement and satisfaction.
Areas for Improvement in Initial Project Alignment
Some clients noted that the initial phase of projects required additional discussions to align on specific requirements. However, once aligned, projects proceeded smoothly.
Successful Collaboration with Diverse Industries
4soft has collaborated successfully with clients from diverse industries, including healthcare, finance, gaming, and e-commerce, showcasing their versatile expertise and ability to handle industry-specific challenges.
Proactive and Solution-Oriented Approach
4soft is recognized for their proactive attitude, often going beyond the initial scope to suggest improvements and solutions. They are dedicated to understanding client needs and delivering high-quality results.
Effective in Overcoming Technical Challenges
4soft has been effective in overcoming technical challenges, such as developing solutions for cross-chain interactions, secure data management, and system integrations across various platforms.
"The overall process was smooth, and the collaboration was successful."
Apr 21, 2023
Senior Software Engineer, URB-E
Anonymous
Other industries
Manhattan Beach, California
11-50 Employees
Online Review
4soft developed a mobile app for a SaaS company. They initially created UI sketches and prototypes before designing and developing the app's front- and backend.
4soft successfully delivered a fully-functional mobile app that featured a fantastic UI/UX and met the client's requirements. The team communicated clearly and transparently and employed proven and battle-tested processes to deliver top-tier work on time, resulting in a smooth process.
The client submitted this review online.
BACKGROUND
Please describe your company and position.
I am the Senior Software Engineer of URB-E
Describe what your company does in a single sentence.
URB-E is a company that develops a compact container delivery network with the goal of replacing trucks with small electric vehicles designed for every neighborhood.
OPPORTUNITY / CHALLENGE
What specific goals or objectives did you hire 4soft to accomplish?
Create a mobile application
SOLUTION
How did you find 4soft?
Referral
Why did you select 4soft over others?
Pricing fit our budget
What was the size of 4soft’s team?
2-5 Employees
Describe the scope of work in detail. Please include a summary of key deliverables.
We started with the ideation and requirements gathering phase, where the 4soft team asked us detailed questions to understand the business logic for the application. Next, the designers created simple UI sketches and prototypes so we could agree on the user flow in the mobile app. While frontend designers developed the app’s look and feel, backend experts took care of all the underlying plumbing, making sure that the application delivered a great performance. Finally, together with the 4soft team we delivered the app.
RESULTS & FEEDBACK
What were the measurable outcomes from the project that demonstrate progress or success?
The mobile application works really well and delivers a fantastic experience to our users. We’re happy with the result, as the app matches our business requirements by 100%.
Describe their project management. Did they deliver items on time? How did they respond to your needs?
It was clear to me that the team had a lot of experience delivering custom development projects to clients on the other side of the globe. The communication was prompt; we were in control of what was happening on the app development front and got regular updates on the development process.
What was your primary form of communication with 4soft?
Virtual Meeting
What did you find most impressive or unique about this company?
4soft uses proven and battle-tested processes to deliver the work, and that really shows in the quality of the end product. The overall process was smooth, and the collaboration was successful.
Are there any areas for improvement or something 4soft could have done differently?
Not really, 4soft specialists know what they’re doing and the vendor is responsive to the unique needs of its customers, always ready to adjust.
RATINGS
5.0
Quality
5.0
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
5.0
Value / within estimates
Willing to Refer
5.0
NPS
Custom Software Dev for Imaging E-Commerce Store
Custom Software Development
$50,000 to $199,999
Jan. 2021 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
4.5
Willing to Refer
5.0
"The most impressive aspect of this cooperation was 4soft's proactive attitude."
Jan 12, 2023
CTO, Artgeist
Rafał Frątczak
Verified
Manufacturing
Wroclaw, Poland
201-500 Employees
Online Review
Verified
4soft provides custom software development services for a photo wallpaper e-commerce store. They have built a new internal system for managing products, order fulfillment, and returns.
The 4soft team was able to deliver incredible solutions for the client which enabled them to have a seamless IT process which resulted in better overall performance. Both teams were able to foster a great working relationship that translated into faster turnarounds and easier worklfow.
The client submitted this review online.
BACKGROUND
Please describe your company and your position there.
I am the CTO of Artgeist, the leading picture and photo wallpaper e-commerce store in Poland. Operating globally, the company offers top-quality products in over 17 countries.
OPPORTUNITY / CHALLENGE
For what projects/services did your company hire 4soft, and what were your goals?
Our online business has started gaining momentum, introducing many new brands and products with shipping to 17 countries. Such growth called for new digital solutions that would cope with our evolving needs. That's why we decided to develop a new internal system for managing all of the products, order fulfillment, and returns. Another ongoing project focuses on improving the customer experience by adding new functionalities across the e-commerce stores. 4soft appeared as a great partner for both.
SOLUTION
How did you select this vendor and what were the deciding factors?
First of all, our in-house resources were limited, so we needed an external team that could support us in software development. We wanted a long-term technology partner that would help us continuously develop and improve our solution. Considering their experience and expertise, 4soft was the best candidate for the job.
Describe the scope of work in detail, including the project steps, key deliverables, and technologies used.
Our internal IT team joined forces with 4soft developers for the purposes of this project. Their specialists focused on the development of the application designed to manage internal processes: the warehouse, production line, order fulfilment, and returns. 4soft developers’ scope of work includes maintenance and implementation of new features. Ongoing work also regards the legacy code. We are planning to get rid of it and rely entirely on new software by 2023.
How many people from the vendor's team worked with you, and what were their positions?
4 specialists 3 x PHP Dev 1 x React Dev
RESULTS & FEEDBACK
Can you share any measurable outcomes of the project or general feedback about the deliverables?
The outcome of our collaboration is a seamless IT team extension and outstanding performance. The development velocity is of great significance, as the internal management application is one of our key projects at the moment. Some of the business KPIs are tied to the proper implementation of the platform, so smooth integration was crucial for us - and it worked great!
Describe their project management style, including communication tools and timeliness.
We didn’t outsource the app development process entirely, but chose the team extension model instead, integrating 4soft developers into our internal team. That’s why our core focus was the smooth implementation of the external specialists so that they could quickly start working on a new solution. All that went faster and easier than we expected!
What did you find most impressive or unique about this company?
The most impressive aspect of this cooperation was 4soft's proactive attitude. They do not just fulfil their duties, but also take the initiative and come up with creative ideas that made our solution even better. Considering our results up to date, we feel confident to expand our collaboration in the following months.
Are there any areas for improvement or something they could have done differently?
From my point of view, everything was all right.
RATINGS
5.0
Quality
5.0
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
4.5
Value / within estimates
Willing to Refer
5.0
NPS
Custom Software Solution for Glass Installation Provider
Custom Software Development
$200,000 to $999,999
Feb. 2021 - Feb. 2022
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"From my point of view, everything was all right."
Oct 23, 2022
Director, Glass Installation Provider
Anonymous
Other industries
Wroclaw, Poland
51-200 Employees
Online Review
The 4soft team created custom software for a glass installation provider. They built the application's frontend using React, and the backend using Python and Java's Spring framework. The app is hosted on AWS.
The 4soft team developed a satisfactory software solution with a clean UI/UX. They also shared valuable design expertise with the client.
The client submitted this review online.
BACKGROUND
Please describe your company and your position there.
I am the Director of an award-winning chilled glass installation provider that has served business clients in the construction industry for the past 20 years.
OPPORTUNITY / CHALLENGE
For what projects/services did your company hire 4soft, and what were your goals?
The specifics of our projects require the high personal involvement of our design experts. As a result, the design process can become a bottleneck for the entire business. We needed a custom application that would tackle this issue, simplifying the designer's workflow. We hoped 4soft could help us automate various designer's tasks. The app 4soft team would build for us was supposed to replace the legacy software we would use in the design process.
SOLUTION
How did you select this vendor and what were the deciding factors?
We selected 4soft based on recommendations of partners and an additional background check. 4soft appeared to have the right expertise and experience for our project. We were also determined to find someone who had previously worked with the construction industry, and 4soft fulfilled that requirement.
Describe the scope of work in detail, including the project steps, key deliverables, and technologies used.
We started by carrying out a workshop with 4soft to show them how we used the program and the main pain points. Then, we defined a list of features for the new application. Next, 4soft’s CTO audited the old software’s architecture and designed a new one. 4soft’s product designer worked with us and 4soft’s CTO to create a clean UX and UI. Once this was done, the development team started the implementation stage.
The application’s backend is written using Java’s Spring framework, and Python – 4soft implemented these two technologies due to the diversity of services within the project. The Java services fulfill our business needs and external system integrations, while Python handles the data processing and mathematical algorithms within the glass installation design process. The application’s frontend was built with React. For hosting, we used AWS cloud solutions. 4soft team also collaborated with our senior installation designer, who tested the new features and provided expert feedback.
How many people from the vendor's team worked with you, and what were their positions?
4 people
RESULTS & FEEDBACK
Can you share any measurable outcomes of the project or general feedback about the deliverables?
From my point of view, everything was all right.
RATINGS
5.0
Quality
5.0
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
5.0
Value / within estimates
Willing to Refer
5.0
NPS
E-Commerce Development for Creative Agency
Custom Software DevelopmentE-Commerce Development
$200,000 to $999,999
Apr. 2021 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"4soft is really proactive and fixes potential issues before they actually get in the way."
Dec 18, 2021
Commercial Director, Creative Agency
Anonymous
Other industries
Wroclaw, Poland
201-500 Employees
Online Review
4soft helps a creative agency with the maintenance and growth of their e-commerce channels. Technologies include Camunda, PHP, Symfony, and React.
The client enjoys 4soft's project management. Problems that occurred in the external team's side don't affect the overall speed or quality of their work. They quickly deal with internal staff changes, showing vast expertise and a sense of contribution with proactiveness and careful preparation.
The client submitted this review online.
BACKGROUND
Please describe your company and your position there.
Artgeist is a leading picture and photo wallpaper e-commerce store in Europe. We’ve been on the market for more than 12 years and delivered over 10 mln orders. In Artgeist, I'm a Commercial Director
OPPORTUNITY / CHALLENGE
For what projects/services did your company hire 4soft, and what were your goals?
We hired 4soft because we needed highly qualified developers to take over the maintenance and growth of our eCommerce channels.
SOLUTION
How did you select this vendor and what were the deciding factors?
I reached out to the 4soft owner as I had previously known him. The offer the company gave us had satysfying conditions, so we decided to proceed with it.
Describe the scope of work in detail, including the project steps, key deliverables, and technologies used.
We were looking for an external team that could provide us necessary development skills to develop and maintain our platform built with Camunda, PHP, Symfony, React technologies.
How many people from the vendor's team worked with you, and what were their positions?
4soft provides us with 4 Backend developers +1 Frontend developer, who work with our internal team consisting of developers, a tester, a PO, and a PM. However, we are looking to expand the collaboration soon.
RESULTS & FEEDBACK
Can you share any measurable outcomes of the project or general feedback about the deliverables?
This is one of our key projects for us, as some of our business KPIs are tied to the proper implementation of the platform.
Describe their project management style, including communication tools and timeliness.
The project management is on our side, so we enjoy the adjustment of the 4soft team to our work model. When internal personal changes happened on the 4soft side, it didn’t affect the overall speed or quality of their work, so we view the team as very effective.
What did you find most impressive or unique about this company?
Their business understanding and approach to problems - they quickly dealt with internal staff changes and took care that those didn’t affect the workflow in our project. The developers have vast experience and their contribution has a significant meaning to the overall performance of the whole team.
Are there any areas for improvement or something they could have done differently?
I don’t see any at this point. 4soft is really proactive and fixes potential issues before they actually get in the way.
RATINGS
5.0
Quality
5.0
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
5.0
Value / within estimates
Willing to Refer
5.0
NPS
Custom Software Development for Hosting Company
Custom Software Development
Less than $10,000
May - June 2020
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"Their understanding of the importance of the project's security was impressive."
Dec 7, 2020
Managing Director, INX Sp. z o.o.
Anonymous
Verified
Other industries
Kedzierzyn-Kozle, Poland
1-10 Employees
Online Review
Verified
A hosting company worked with 4soft for their software development needs. The team's main goal was to help the client deploy automated solutions for their third-party customers.
Thanks to 4soft's efforts, the company was able to deploy custom server environments to their customers. It was a successful partnership.
The client submitted this review online.
BACKGROUND
Please describe your company and your position there.
INX Sp. z o.o. is a hosting company that is tailored to the needs of its customers.
OPPORTUNITY / CHALLENGE
For what projects/services did your company hire 4soft, and what were your goals?
Developing scripts and software to help our clients to deploy its solutions among various environments. We needed to have a quick customized setups for various types of services, fully customizable.
SOLUTION
How did you select 4soft and what were the deciding factors?
Worked with them on previous projects.
Describe the scope of work in detail, including the project steps, key deliverables, and technologies used.
We deploy tailored solutions for our clients, automation is very important in this. Configuration of the servers manually was taking too much of resources and time.
How many people from the vendor's team worked with you, and what were their positions?
Our team consisted of 1 developer and project manager.
RESULTS & FEEDBACK
Can you share any measurable outcomes of the project or general feedback about the deliverables?
We are able to deploy custom server environments.
Describe their project management style, including communication tools and timelines.
We mainly spoke in person in the office of the vendor.
What did you find most impressive or unique about this company?
Their understanding of the importance of the project's security was impressive.
Are there any areas for improvement or something they could have done differently?
Not really
RATINGS
5.0
Quality
5.0
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
5.0
Value / within estimates
Willing to Refer
5.0
NPS
Facebook Integration for Internet Marketing Company
Web Development
Less than $10,000
Mar. - Jan. 2020
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"They were willing to negotiate their pricing."
Dec 1, 2020
CEO, Parlay Media S.A
Lukasz Zmijewski
Other industries
Kedzierzyn-Kozle, Poland
1-10 Employees
Online Review
To improve their lead generation process, an internet marketing company tasked 4soft with integrating a Facebook login option to their website.
With 4soft's help, the client experienced some increase in the site's conversion rate. What stood out is the team's willingness to negotiate the pricing.
The client submitted this review online.
BACKGROUND
Please describe your company and your position there.
Parlay Media S.A. is an internet marketing company.
OPPORTUNITY / CHALLENGE
For what projects/services did your company hire 4soft, and what were your goals?
Web coupon site technology, login with Facebook
SOLUTION
How did you select 4soft and what were the deciding factors?
We needed to add button “login with Facebook”
Describe the scope of work in detail, including the project steps, key deliverables, and technologies used.
We used to get leads for our email marketing purposes – and we needed to add new feature to improve it - a Facebook login option
How many people from the vendor's team worked with you, and what were their positions?
1 programmer
RESULTS & FEEDBACK
Can you share any measurable outcomes of the project or general feedback about the deliverables?
I cannot share the specific data, but I can say that we experienced some increase in conversion on site in AB tests.
Describe their project management style, including communication tools and timelines.
It was a simple task, not much to manage.
What did you find most impressive or unique about this company?
They were willing to negotiate their pricing.
Are there any areas for improvement or something they could have done differently?
No
RATINGS
5.0
Quality
5.0
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
5.0
Value / within estimates
Willing to Refer
5.0
NPS
Showing 51-56 of
56 Reviews
Ultimate Blockchain Development Kit
Three distinct tiers designed to scale blockchain software development. Start with foundational elements, quickly progress through intermediate integrations, and culminate with advanced features and complete ecosystem creation, each structured to match your project's pace and complexity.
Small
$4,500
/total
Product Definition
MVP Scope & Roadmap
Solution Architecture / Simple PoC
Swap & Liquidity
Staking
2
week
delivery
Medium
$14,000
/total
Product Definition
MVP Scope & Roadmap
Critical App Flow
Solution Architecture / Simple PoC
Technical Risk Mitigation
1
month
delivery
Large
$40,000
/total
Product Definition
MVP Scope & Roadmap
Critical App Flow
Solution Architecture / Simple PoC
Technical Risk Mitigation
3
month
delivery
Features
Small
$4,500
/total
Medium
$14,000
/total
Large
$40,000
/total
Product Definition
MVP Scope & Roadmap
Critical App Flow
–
Solution Architecture / Simple PoC
Technical Risk Mitigation
–
Wireframing
–
UX/UI Design
–
Custom Design
–
–
Swap & Liquidity
Staking
Farming
EVM Chain integration
–
BTC-like chain integration
–
Custom chain integration
–
–
NFT Marketplace
–
–
Tokenisation platform
–
–
DEX (designs + fork)
–
–
AMM (Uniswap v2 or v3 fork)
–
Small
$4,500
/total
Product Definition
MVP Scope & Roadmap
Critical App Flow
–
Solution Architecture / Simple PoC
Technical Risk Mitigation
–
Wireframing
–
UX/UI Design
–
Custom Design
–
Swap & Liquidity
Staking
Farming
EVM Chain integration
–
BTC-like chain integration
–
Custom chain integration
–
NFT Marketplace
–
Tokenisation platform
–
DEX (designs + fork)
–
AMM (Uniswap v2 or v3 fork)
–
Medium
$14,000
/total
Product Definition
MVP Scope & Roadmap
Critical App Flow
Solution Architecture / Simple PoC
Technical Risk Mitigation
Wireframing
UX/UI Design
Custom Design
–
Swap & Liquidity
Staking
Farming
EVM Chain integration
BTC-like chain integration
Custom chain integration
–
NFT Marketplace
–
Tokenisation platform
–
DEX (designs + fork)
–
AMM (Uniswap v2 or v3 fork)
Large
$40,000
/total
Product Definition
MVP Scope & Roadmap
Critical App Flow
Solution Architecture / Simple PoC
Technical Risk Mitigation
Wireframing
UX/UI Design
Custom Design
Swap & Liquidity
Staking
Farming
EVM Chain integration
BTC-like chain integration
Custom chain integration
NFT Marketplace
Tokenisation platform
DEX (designs + fork)
AMM (Uniswap v2 or v3 fork)
Our Story
We are 4soft, a decade‑old blockchain and AI software house of 50+ engineers (40 seniors) delivering custom product development and team extension. Our cross‑disciplinary team builds secure decentralized systems, ML solutions and frontend/backend products; we’ve shipped 100+ projects, supported clients who raised $61M+, and earned top‑3 blockchain company recognition through agile, collaborative expertise and measurable client outcomes.
Meet the Team
Bartosz RobaszewskiCEO
CEO & Co-founder of 4soft. Tech entrepreneur dedicated to driving business growth through innovation. Bart specializes in scaling software delivery, with a strong focus on enterprise blockchain, AI solutions, and Web3 transformation.
Janusz ZoltańskiCOO
Executive MBA graduate & COO at 4soft. Web3 strategist with deep expertise in enterprise blockchain, smart contracts, and DeFi. Janusz oversees custom software delivery, leveraging tech to solve complex business challenges.
Izabela KarolczykHead of People
Head of People at 4soft. Izabela builds strong client partnerships, alignment, and growth. She excels in translating complex business needs into cutting-edge tech solutions, focusing on enterprise blockchain and AI.
What Sets Us Apart
We Don't Just Write Code – We Build Business Value
We combine technical expertise with a strong product mindset. We don’t just follow a rigid checklist; we analyze your business goals, challenge assumptions, and focus on delivering real ROI. We act as a true technology partner, ensuring every solution serves a strategic purpose.
Deep Tech Expertise for Complex Projects
From robust cloud architectures to advanced blockchain integrations, our engineers thrive on technical complexity. We maintain rigorous quality standards, clean code, and proactive security, ensuring your digital product is highly scalable, secure, and future-proof.
Predictability Through Full Transparency
Nearshoring shouldn't feel distant. We offer full visibility into our process, direct access to developers, and realistic, data-driven estimates. We take absolute ownership of our work, meaning we are as committed to your project's success as your own team.
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