Tamirat D.

Full-Stack Engineer | NestJS / FastAPI / React / Flutter | LangGraph

🏆 Top Rated PLUS Freelancer 🏆 5,000+ Hours on Upwork 👑 5+ Years in Development 🏅 Privilege of working with Fortune Companies 🏅 Experienced Full Stack & AI Solutions Developer 🔰 Unlimited Revisions on Design to Ensure You Get Exactly What You’re Looking For ★★ I am a TOP RATED PLUS Full Stack Developer with expertise in crafting exceptional mobile and web applications, AI-driven solutions, and back-end architectures. Alongside my strong mobile and web development skills, I specialize in chatbot development and AI assistant integration using LangChain and LangGraph, enabling businesses to deliver interactive, intelligent, and context-aware conversational experiences. I excel at collaborating with clients to understand their vision and deliver efficient, innovative solutions that exceed expectations. Key Skills: ✅ Programming Languages: Python (3+), C#, Java, C++, JavaScript (ES6+), TypeScript ✅ Backend Development: .NET, Django, NestJS, Express.js, Node.js ✅ Frontend Development: Next.js, React.js, HTML, CSS, JS, Figma ✅ Mobile Development: Flutter ✅ Database Management: MySQL, PostgreSQL, MongoDB ✅ Machine Learning & AI: Scikit-learn, TensorFlow, PyTorch, Keras ✅ AI Assistants & Chatbots: LangChain, LangGraph, OpenAI API, RAG (Retrieval-Augmented Generation), conversational AI architecture Why choose me? ⭐ Expertise: Strong Node.js and AI development background, delivering everything from API integrations to fully functional AI assistants. ⭐ Scalability: Architectures designed to handle growth while maintaining performance and cost-efficiency. ⭐ Performance: Clean, maintainable code optimized for speed and reliability. ⭐ Team Collaboration: Clear communication and a collaborative mindset to ensure smooth project delivery. Ready to bring your next mobile, web, AI, or chatbot project to life? Let’s collaborate! Message me today.