Leobit

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) with 170+ 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 Platinum 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.

Our Services:

.NET software development

AI/LLM software development

Custom software development

Dedicated development team

Web app development

Mobile app development

Cloud development

Software architecture design

UI/UX design

Business analysis

Quality assurance

App support & maintenance

Technology consulting

Our Key Technologies:

Microsoft Stack: .NET, ASP.NET, C#, Azure, WCF, Entity Framework, MaUI, Blazor

Web/Frontend: React, Angular, Vue, jQuery, TypeScript

Backend: .NET Core/C#, Ruby, Node, PHP, Python

Mobile Technology Stack: iOS, Android, Flutter, Swift, Kotlin

AI integration