Leobit is a full-cycle .NET, AI, and web application development provider for technology companies and startups primarily located in the US, EU, and the UK.
We have representative offices in Austin, TX (USA), Tallinn (Estonia), Kraków (Poland), London (UK) and the development center in Lviv (Ukraine) with170+ talented software engineers, architects, QA experts, and UI/UX designers.
Our Achievements:
Microsoft Solutions Partner - Digital & App Innovation
ISO 9001:2015 and ISO 27001:2022 Certified
ISTQB Gold Partner
Top .NET Developers in 2025 by Clutch
Customer Service Department of the Year in 2025 by Stevie® Awards
Leobit has successfully delivered over 150 well-designed and well-factored web & mobile applications to technology companies ranging from Fortune 500 firms to Silicon Valley startups.
Mobile Technology Stack: iOS, Android, Flutter, Swift, Kotlin
AI integration
Why Leobit?
1.Get the best people on board. Our team is a mix of seasoned architects and the top 10% of the smartest & brightest graduates of the best universities.
2. Join our thriving clients. Multiple successful startup launches with 10m+ investments each, several becoming unicorns.
3. Work with mature and secure processes. We help technology companies in their journey of innovation & business transformation, building business partnerships based on trust and long-term cooperation.
Looking for a custom software development partner?
Solve your tech challenges and accomplish your business goals with Leobit. Get a consultation
Leobit's pricing is viewed as competitive, providing good value for cost across various projects. Clients report investments ranging from $5,000 to $900,000, emphasizing their ability to deliver quality work on time and meet budget expectations.
Clients commend Leobit for their structured project management, timely delivery, and clear communication. They employ tools like Jira and Slack effectively and maintain regular meetings to ensure alignment with client expectations.
Strong Technical Expertise
Leobit is consistently praised for its technical skills, particularly in modern frameworks like .NET, Ruby on Rails, and Angular. Clients appreciate their ability to deliver high-quality solutions tailored to complex requirements across diverse industries.
Challenges with Time Zone Differences
Some clients have noted challenges related to time zone differences, which can impact communication timeliness. However, Leobit generally manages these challenges well with effective communication strategies.
Responsive and Proactive Team
The team at Leobit is noted for their responsiveness and proactive approach in suggesting improvements and addressing client needs promptly. This has led to successful project outcomes and high client satisfaction.
Successful Delivery of Complex Projects
Leobit has a track record of delivering complex projects successfully, including mobile and web app developments, custom software solutions, and system integrations. Clients report positive outcomes and enhanced business capabilities.
High Quality and Reliable Delivery
Clients frequently highlight the reliability and high quality of Leobit's deliverables. They often exceed expectations in both technical execution and adherence to project timelines.
App Development & Testing for Financial Services Co
Featured Review
Application TestingCustom Software DevelopmentWeb Development
Azure Platform
+5
Confidential
Feb. 2019 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"Leobit has continually shown a willingness to provide flexible coverage and team scalability."
Nov 28, 2023
VP of App Development, American Financial Resources, Inc.
Michael Gerety
Verified
Financial services
Parsippany, New Jersey
51-200 Employees
Online Review
Verified
A financial services company has hired Leobit for app development and testing. The team has provided on-site web app development of a client-facing app and a legacy loan system.
Leobit has successfully delivered high-quality products with swift implementation. Leobit's team exceeds the client's expectations with their timely deliverables and communication via virtual meetings. The team is also flexible and adaptive to the project's needs.
The client submitted this review online.
BACKGROUND
Please describe your company and position.
I am the Vice President of Application Development of American Financial Resources, Inc.
Describe what your company does in a single sentence.
We are an independent nationwide lender serving both direct to consumer and wholesale channels with a wide variety of financing options.
OPPORTUNITY / CHALLENGE
What specific goals or objectives did you hire Leobit to accomplish?
Legacy Code Maintenance
Greenfield App Development
QA and QA Process Development
SOLUTION
How did you find Leobit?
Referral
Why did you select Leobit over others?
Referred to me
How many teammates from Leobit were assigned to this project?
2-5 Employees
Describe the scope of work in detail. Please include a summary of key deliverables.
Leobit was brought onboard to provide additional enterprise web application development support for our on-premises team of developers. Our team supports and extends a suite of client and internal facing applications that provide a first-class UX experience for loan origination and process in front of our legacy loan origination systems. We serve both retail and wholesale markets, and the customer experience across both web and mobile application interfaces.
RESULTS & FEEDBACK
What were the measurable outcomes from the project that demonstrate progress or success?
As our engagement is ongoing, we continually experience highly successful outcomes. Leobit has delivered and outstanding quality of work, speed of implementation, and an unmatched dedication to and ownership of projects they are involved in.
Describe their project management. Did they deliver items on time? How did they respond to your needs?
Our Leobit team continually exceeds expectations for on-time delivery and quality of work product.
What was your primary form of communication with Leobit?
Virtual Meeting
What did you find most impressive or unique about this company?
Leobit has continually shown a willingness to provide flexible coverage and team scalability, has continually staffed out project with outstanding talent, and continues to be a most valued partner as we continue to extend our platform.
Are there any areas for improvement or something Leobit could have done differently?
I have nothing negative to report.
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
"I would highly recommend considering Leobit as a partner for any application development project.
Custom Software Dev for Financial Services Company
API DevelopmentCustom Software DevelopmentWeb Development
REST API
Confidential
Jan. 2022 - June 2024
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"They were able to understand our needs and act quickly on them."
Jun 16, 2024
CTO, PayPro
Henk Jan Wils
Verified
Financial services
Netherlands
11-50 Employees
Online Review
Verified
Leobit developed a custom Ruby on Rails project with Vue.JS front for a financial services company. The project also included automated testing on a payment system.
Leobit successfully met the client's requirements and earned positive feedback. They communicated well through virtual meetings. Leobit's ability to understand the client's needs and respond quickly made them stand out.
The client submitted this review online.
BACKGROUND
Please describe your company and position.
I am the CTO of PayPro
Describe what your company does in a single sentence.
Online payment system for entrepreneurs that want maximum growth
OPPORTUNITY / CHALLENGE
What specific goals or objectives did you hire Leobit to accomplish?
Software development
SOLUTION
How did you find Leobit?
Referral
Other
Why did you select Leobit over others?
Good value for cost
Operating fast
How many teammates from Leobit were assigned to this project?
1 Employee
Describe the scope of work in detail. Please include a summary of key deliverables.
Software development on a custom Ruby on Rails project with Vue.JS front. The project entails developing with automated testing on a system that allows merchants to integrate payment methods via payment links or via API. The processed payments are stored securely according to the latest demands.
RESULTS & FEEDBACK
What were the measurable outcomes from the project that demonstrate progress or success?
lines code
Describe their project management. Did they deliver items on time? How did they respond to your needs?
Very well! All requirements are met.
What was your primary form of communication with Leobit?
Virtual Meeting
What did you find most impressive or unique about this company?
They were able to understand our needs and act quickly on them.
Are there any areas for improvement or something Leobit 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
Web Development for Cloud-Based Property Services Company
Web Development
Angular
Less than $10,000
Apr. - May 2024
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"They delivered our needs and requirements as agreed."
Jun 8, 2024
Software Architect, ControliQ AB
Magnus Sander
Verified
Other industries
Sweden
1-10 Employees
Online Review
Verified
Leobit developed a cloud-based web app for a cloud-based property services company.
Leobit’s work was met with positive acclaim, as they accurately delivered a working app on time. The team was highly proficient, and internal stakeholders were impressed with the service provider's communication skills and daily interactions.
The client submitted this review online.
BACKGROUND
Please describe your company and position.
I am the Software Architect of ControliQ AB
Describe what your company does in a single sentence.
Our cloud service is aimed at commercial property owners, condominium associations and energy communities who want to understand and optimize their energy use.
OPPORTUNITY / CHALLENGE
What specific goals or objectives did you hire Leobit to accomplish? Web app development
SOLUTION
How did you find Leobit?
LinkedIn
Why did you select Leobit over others?
High ratings
Good value for cost
How many teammates from Leobit were assigned to this project?
1 Employee
Describe the scope of work in detail. Please include a summary of key deliverables.
Development of web application for administration of our cloud platform
RESULTS & FEEDBACK
What were the measurable outcomes from the project that demonstrate progress or success?
Successful delivery of web app meeting our expectations
Describe their project management. Did they deliver items on time? How did they respond to your needs?
They delivered our needs and requirements as agreed.
What was your primary form of communication with Leobit?
Virtual Meeting
What did you find most impressive or unique about this company?
Very good communication and interaction through daily virtual meetings
Are there any areas for improvement or something Leobit could have done differently?
No, there wasn't anything they needed to improve on.
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
Front- & Backend Dev for Insurance MLOps Software Company
Custom Software DevelopmentUX/UI Design
REST API
$200,000 to $999,999
Oct. 2022 - Dec. 2023
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"They were super professional and agile."
May 7, 2024
CEO, Afairi AG
Georg Maerz
Verified
Financial services
Kaiserslautern, Germany
1-10 Employees
Online Review
Verified
Leobit developed the front- and backend of an insurance MLOps software company's software to generate customer journeys. They conducted product research, designed the system, and implemented it.
Leobit's product management helped structure the entire project. Their team was professional, agile, and flexible. They also demonstrated a wide range of skills, from UI design to software development. Moreover, the team communicated well via online meetings.
The client submitted this review online.
BACKGROUND
Please describe your company and position.
I am the CEO of Afairi AG
Describe what your company does in a single sentence.
What specific goals or objectives did you hire Leobit to accomplish?
Product research
Design
Frontend and Backend development
SOLUTION
How did you find Leobit?
Referral
Why did you select Leobit over others?
Good value for cost
Referred to me
How many teammates from Leobit were assigned to this project?
2-5 Employees
Describe the scope of work in detail. Please include a summary of key deliverables.
Build a backend solution to generate customer journeys.
RESULTS & FEEDBACK
What were the measurable outcomes from the project that demonstrate progress or success?
Product Management to structure everything
Describe their project management. Did they deliver items on time? How did they respond to your needs?
Yes. They were super professional and agile.
What was your primary form of communication with Leobit?
Virtual Meeting
What did you find most impressive or unique about this company?
Range of skills from UI to development. Flexibility.
Are there any areas for improvement or something Leobit could have done differently?
-
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 & UI/UX Design for SportsTech Company
Custom Software DevelopmentUX/UI Design
Azure Platform
+2
Confidential
Jan. 2020 - Jan. 2024
5.0
Quality
5.0
Schedule
5.0
Cost
4.5
Willing to Refer
5.0
"We were thrilled with their flexibility and ability to quickly onboard new developers."
Jan 5, 2024
CEO, SportsTech Company
Anonymous
Verified
Other industries
Molde, Norway
1-10 Employees
Online Review
Verified
Leobit provided software development services for a sportstech company. They handled hardware integration, designed the UI/UX, set up the cloud infrastructure, managed and analyzed data, and conducted testing.
Leobit helped the client significantly increase user engagement, revenue, and the number of users and numbers. The client also improved user performance data and achieved positive acclaim from end users. Leobit was highly flexible, followed the Scrum methodology, and delivered all tasks on time.
The client submitted this review online.
BACKGROUND
Please describe your company and position.
I am the CEO of a SportsTech Company
Describe what your company does in a single sentence.
Software development within Sportstech
OPPORTUNITY / CHALLENGE
What specific goals or objectives did you hire Leobit to accomplish?
Leveraging Leobit’s specialized technical skills for complex software projects, filling in gaps in your team's capabilities, and ensuring high-quality, cost-efficient software development.
SOLUTION
How did you find Leobit?
Referral
Why did you select Leobit over others?
High ratings
Good value for cost
How many teammates from Leobit were assigned to this project?
20+
Describe the scope of work in detail. Please include a summary of key deliverables.
Software development, hardware integration, user interface and experience design, cloud infrastructure setup, data management and analytics, testing, and deployment. Key deliverables: project plans, design documents, code repositories, test suites, deployment guides, user manuals, and maintenance protocols.
RESULTS & FEEDBACK
What were the measurable outcomes from the project that demonstrate progress or success?
User engagement data: Increase in the number of users or sessions indicating greater adoption.
Performance improvements: User performance data showing improvement over time.
Customer satisfaction: Positive feedback and testimonials from users.
Business growth: Increased revenue for locations using the system, or expansion to new locations. Technological reliability: System uptime and performance metrics.
Market penetration: Number of studios or users compared to competitors.
Describe their project management. Did they deliver items on time? How did they respond to your needs?
Successfully adhered to Scrum principles, delivering items on time and effectively responding to feedback and requirements.
What was your primary form of communication with Leobit?
In-Person Meeting
Virtual Meeting
Email or Messaging App
What did you find most impressive or unique about this company?
We were thrilled with their flexibility and ability to quickly onboard new developers.
Are there any areas for improvement or something Leobit could have done differently?
Flexibility and Proactivity: Encouraging developers and staff to be more adaptable and anticipate client needs to provide a smoother service experience.
Specification Requirements: Streamlining the requirement gathering process to be less onerous for clients who may not have the resources to provide highly detailed specs.
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 Development for Financial Services Company
Custom Software Development
Amazon Application Development Framework
+1
Confidential
Mar. 2023 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"They are great people and very helpful."
Nov 10, 2023
Marketing Manager, Financial Services Company
Anonymous
Verified
Financial services
Hong Kong
11-50 Employees
Online Review
Verified
Leobit was hired by a financial services company to manage and upgrade their client portal and back office platforms. The team is responsible for implementing new features and enhancing the user experience.
Thanks to Leobit's efforts, the app was bug-free with positive UX, intuitive and user-friendly features, and smooth operational performance. The team was responsive to the client's needs and delivered everything on time.
The client submitted this review online.
BACKGROUND
Please describe your company and position.
I am the Marketing Manager of a financial services company
Describe what your company does in a single sentence.
Our company provides a wide range of financial services to meet our clients' diverse needs.
OPPORTUNITY / CHALLENGE
What specific goals or objectives did you hire Leobit to accomplish?
managing and upgrading our client portal and back office
SOLUTION
How did you find Leobit?
Referral
Why did you select Leobit over others?
Referred to me
How many teammates from Leobit were assigned to this project?
2-5 Employees
Describe the scope of work in detail. Please include a summary of key deliverables.
Managing and upgrading the client portal and back office platform, including bug fixing
Incorporating new features or services suggested by clients or colleagues
Enhancing the user experience within the client portal and back office platform
RESULTS & FEEDBACK
What were the measurable outcomes from the project that demonstrate progress or success?
The measurable outcomes demonstrating progress and success in the project include the absence of bugs, a positive user experience, intuitive and user-friendly features, and smooth operational performance.
Describe their project management. Did they deliver items on time? How did they respond to your needs?
Yes, they did deliver items on time and respond to my need via email, zoom call
What was your primary form of communication with Leobit?
Virtual Meeting
Email or Messaging App
What did you find most impressive or unique about this company?
They are great people and very helpful.
Are there any areas for improvement or something Leobit could have done differently?
Due to the time difference, it can be challenging to communicate effectively, especially when urgent requests arise. It would also be beneficial to receive feedback and suggestions from professionals at Leobit on how we can further enhance our platform.
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
Platform Dev & Maintenance for Payment Technology Platform
Application TestingCustom Software DevelopmentE-Commerce DevelopmentIT Staff AugmentationOther Application DevelopmentWeb Development
Amazon Application Development Framework
+4
Confidential
July 2022 - Ongoing
5.0
Quality
4.5
Schedule
4.5
Cost
5.0
Willing to Refer
5.0
"Their flexibility to adjust to project demands in a timely fashion is impressive."
Mar 29, 2023
CTO, Payverse
Rodrique Fru
Verified
Financial services
Riverside, California
11-50 Employees
Online Review
Verified
Leobit has developed and maintained the platform of a payment technology company. The team has built a number of components that help the client provide a cohesive UX for their customers.
The client is happy with Leobit's services. The team manages expectations well, enabling the client to know when deliverables will be available. Moreover, their resources' flexibility is great. They adjust to the project's demands on time and effectively. Overall, the partnership is a success.
The client submitted this review online.
BACKGROUND
Please describe your company and position.
I am the CTO of Payverse
Describe what your company does in a single sentence.
Payverse provides the leading payment technology to connect commerce anytime, anywhere
OPPORTUNITY / CHALLENGE
What specific goals or objectives did you hire Leobit to accomplish?
Develop and Maintain our main platform
SOLUTION
How did you find Leobit?
Referral
Why did you select Leobit over others?
Pricing fit our budget
Referred to me
Company values aligned
What was the size of Leobit’s team?
6-10 Employees
Describe the scope of work in detail. Please include a summary of key deliverables.
Developing a multitude of components that work in concert in order to facilitate a unified user experience
RESULTS & FEEDBACK
What were the measurable outcomes from the project that demonstrate progress or success?
Module deliverables estimate vs actual time taken Quality of deliverables
Describe their project management. Did they deliver items on time? How did they respond to your needs?
Expectations were managed so that all were in the know of when deliverables where going to be ready.
What was your primary form of communication with Leobit?
Virtual Meeting
Email
Messaging App
What did you find most impressive or unique about this company?
Their flexibility to adjust to project demands in a timely fashion is impressive.
Are there any areas for improvement or something Leobit could have done differently?
Not at the moment
RATINGS
5.0
Quality
4.5
Service & Deliverables
Schedule
4.5
On time / deadlines
Cost
5.0
Value / within estimates
Willing to Refer
5.0
NPS
Showing 51-57 of
57 Reviews
Dedicated Team Package
Enhance your development capabilities and extend your internal capacity by hiring top dedicated developers in Ukraine and Poland. Rely on years of our expertise in building strong teams, mature processes, and developing complex software solutions.
Small
Minimal team to support your project
$6,500
/month
Senior Developer: 0
Developer: 1
Solution Architect: 0
QA: 0
BA: 0
Medium
Optimal team for a small startup
$20,500
/month
Senior Developer: 1
Developer: 1
Solution Architect: 0
QA: part time
BA: 0
Large
Full functional delivery team
$55,000
/month
Senior Developer: 2
Developer: 2
Solution Architect: part time
QA: 2
BA: 1
Features
Small
$6,500
/mo
Medium
$20,500
/mo
Large
$55,000
/mo
Senior Developer
0
1
2
Developer
1
1
2
Solution Architect
0
0
part time
QA
0
part time
2
BA
0
0
1
PM
0
part time
part time
Dedicated AM
Task & Time tracking reports
Trial period for team members
Direct communication with the team
Project estimate
Small
$6,500
/mo
Senior Developer
0
Developer
1
Solution Architect
0
QA
0
BA
0
PM
0
Dedicated AM
Task & Time tracking reports
Trial period for team members
Direct communication with the team
Project estimate
Medium
$20,500
/mo
Senior Developer
1
Developer
1
Solution Architect
0
QA
part time
BA
0
PM
part time
Dedicated AM
Task & Time tracking reports
Trial period for team members
Direct communication with the team
Project estimate
Large
$55,000
/mo
Senior Developer
2
Developer
2
Solution Architect
part time
QA
2
BA
1
PM
part time
Dedicated AM
Task & Time tracking reports
Trial period for team members
Direct communication with the team
Project estimate
Our Story
Leobit is a full-cycle .NET, AI, and web application development provider for technology companies and startups primarily located in the US, EU, and UK, established in 2014, bringing together over 170 talented software engineers, architects, QA experts, and UI/UX designers. Leobit's mission is to assist companies in their journeys of technological innovation and business transformation by establishing business partnerships based on trust, transparency, and long-term collaboration. We use our
Meet the Team
Oleksa StelmakhFounder & CEO
Oleksa Stelmakh is the CEO and founder of Leobit. With over 20 years of experience in IT, Oleksa has held various roles in engineering, project management, and delivery leadership positions within some of the largest Ukrainian outsourcing companies.
Iryna TroshchynskaMarketing Director
Iryna Troshchynska, Marketing Director at Leobit with 15 years of experience, leads the company’s marketing and brand strategy, strengthening its market presence through data-driven marketing, strategic communications, and a client-focused approach.
What Sets Us Apart
Expert & Dedicated team
Seasoned experts with 20+ years of experience & smartest top universities graduates
Global Achievements
Multiple successful startup launches with 10m+ investments each
Industry Leader
#1 .NET and Web development company
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