Leobit
Generative AI Services
Leobit delivers full-cycle .NET, AI, and web application development for technology companies and startups across the US, EU, and UK.
About
Leobit provides full-cycle software development with a focus on .NET, AI/LLM, and web application development for technology companies and startups primarily in the US, EU, and UK. Founded in 2014 and headquartered in Lviv, Ukraine, they operate representative offices in Austin TX, Tallinn, Kraków, and London, with a 170+ person team of software engineers, architects, QA experts, and UI/UX designers.
AI and LLM software development is a named service line alongside their core .NET practice, covering generative AI, AI chatbots, conversational AI, predictive analytics, and deep learning integrations. Clients range from Fortune 500 firms to Silicon Valley startups, with multiple successful launches attracting $10M+ investments each.
Leobit holds ISO 9001:2015 and ISO 27001:2022 certifications, is a Microsoft Solutions Partner for Digital & App Innovation, and an ISTQB Gold Partner. They were recognized as a Top .NET Developer in 2025 by Clutch and received a Silver Stevie Award in 2025.
What They Do
AI/LLM Software Development
Generative AI and corporate LLM development services
AI chatbot development
Conversational AI and machine learning integration
Predictive analytics and deep learning
Custom Software & .NET Development
Full-cycle custom software development on the Microsoft .NET stack (.NET Core, ASP.NET, Blazor, .NET MAUI, C#)
Web application development using React, Angular, Vue.js, TypeScript
SaaS application development
Software reengineering and modernization
Cloud Software Development
Cloud-native development across Azure, AWS, and GCP
Serverless architecture, SaaS/PaaS models
100+ cloud-based projects delivered
Dedicated Development Teams
Dedicated teams of engineers based in Ukraine and Poland
Build-Operate-Transfer model
Staff augmentation for US and EU technology companies
Supporting Services
Software architecture design
UI/UX design
Quality assurance (ISTQB Gold Partner)
Product discovery phase
Application support and maintenance
Business analysis and project management
DevOps services
Services & Tech Stack
Services
- Custom AI App Building
- AI Powered SaaS Development
- RAG Pipeline Development
- Business Process Automation
- AI Proof of Concept
Tech Stack
- OpenAI API
- Azure OpenAI Service
- AWS Bedrock
- LangChain
- Pinecone
Is This a Fit?
US and EU technology companies and startups seeking a mature, ISO-certified development partner for .NET, AI/LLM integration, and full-cycle custom software projects with dedicated team options.
Companies looking for a pure AI-native agency or those needing only AI strategy consulting without full-cycle software delivery. Also not suited for projects under $25,000.
Ideal Client
CTO or VP of Engineering at a US or EU-based technology company or funded startup needing a reliable nearshore development partner for .NET or AI-integrated software projects with a dedicated team model.
Track Record
170+ software engineers, architects, QA experts, and UI/UX designers across offices in Ukraine, Poland, Estonia, and the US. Founded in 2014 with 150+ delivered web and mobile applications, 78 Microsoft-certified professionals, and recognition as a Top .NET Developer in 2025 by Clutch.
Common Outcomes
- Delivered 150+ web and mobile applications to technology companies ranging from Fortune 500 firms to Silicon Valley startups
- Supported multiple successful startup launches with $10M+ investments each
- Completed 100+ cloud-based projects across Azure, AWS, and GCP
- Delivered 100+ .NET projects since 2014
Use Cases
Case Studies

AI-Powered SaaS Quoting Assistant for CNC Manufacturers
ManufacturingDevelopment of an AI-powered SaaS quoting assistant tailored for CNC manufacturing businesses.

AI-Based Digital Dermoscopy Application
HealthcareAn AI-based digital dermoscopy application for medical imaging and skin analysis.

Proprietary Lending Platform
Financial ServicesCustom development of a proprietary lending platform for a financial services client.
At a Glance
Location
Lviv, Ukraine
Founded
2014
Team Size
51 – 200Typical Budget
$50,000–$199,999
Timeline
Varies by project scope; product discovery phases available for scoping; full-cycle delivery timelines depend on complexity.
Delivery
RemoteHybridEngagement
Project BasedStaff AugmentationPricing
$25 - $49Client Tier
StartupEnterpriseRegions Served
Northern AmericaNorthern EuropeWestern EuropeEastern EuropeLanguages
EnglishGermanCertifications
ISO 9001:2015ISO 27001:2022Microsoft Solutions Partner Digital & App InnovationISTQB Gold PartnerSilver Stevie Award 2025
Focus Areas
Industries
Specialties
Verticals
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| Signal | |||
|---|---|---|---|
| Category | Generative AI Services | Generative AI Services | Generative AI Services |
| Location | Lviv, Ukraine | Austin, United States | Prague, Czech Republic |
| Team Size | Not listed | Not listed | Not listed |
| Client Tier | Startup | Startup | Mid Market |
| Delivery Model | Remote | Remote | Hybrid |
| Typical Budget | $50,000 – $199,999 | $10,000 – $50,000 | $10,000 – $49,999 |
| Services | Custom AI App BuildingAI Powered SaaS DevelopmentRAG Pipeline Development+2 | Custom AI App BuildingRAG Pipeline DevelopmentCustom LLM Fine Tuning+2 | Custom AI App BuildingAI Image GenerationAI Video Generation+2 |
| Tech Stack | OpenAI APIAzure OpenAI ServiceAWS Bedrock+2 | LangChainLlamaIndexHugging Face Transformers+1 | Not listed |