Yaroslav B.

Are you looking for an AI Full Stack Developer who can build scalable SaaS platforms, AI-powered web apps, LLM integrations, and production-ready backend systems?

You’re in the right place.

I’m a Full Stack Developer with 6+ years of experience building modern web applications, SaaS platforms, AI integrations, and high-performance APIs using Python, FastAPI, Django, React, and cloud infrastructure.

I help startups and businesses turn ideas into reliable software by combining strong backend architecture, clean frontend implementation, and practical AI integration.

Over the years, I have delivered:

• 50+ full-stack web applications
• 100+ third-party API integrations
• 20+ subscription-based SaaS platforms
• Systems handling 10M+ monthly requests
• AI-powered dashboards, automation tools, and API-based workflows
• Raised $2M+ / $5M+ / $8M+ after product development
• Scaled platforms to 1M+ users and millions of operations
• Built secure, compliant systems with HIPAA, GDPR, authentication, and role-based access

My main focus is building software that is not only functional, but also scalable, maintainable, secure, and easy to improve over time.

AI, LLM & Automation Experience

I can help you build and integrate AI-powered features such as:

✅ OpenAI API integrations
✅ AI agents and workflow automation
✅ Chatbots and AI assistants
✅ LLM-powered SaaS features
✅ Document analysis and data extraction
✅ AI summaries, recommendations, and classification
✅ RAG systems and vector search
✅ Prompt engineering and evaluation workflows
✅ LangChain, LangGraph, embeddings, and AI pipelines

Whether you need an AI chatbot, internal automation tool, document processing system, AI dashboard, or custom AI-powered SaaS product, I can help design and build the full solution from backend to frontend.

Backend Development

✅ Python, FastAPI, Django, DRF, Flask
✅ REST APIs, GraphQL, WebSockets
✅ Microservices and async architecture
✅ Celery, Redis, AsyncIO, background jobs
✅ OAuth2, JWT, RBAC, multi-tenant SaaS architecture
✅ Third-party API integrations: payments, accounting, CRM, AI services