Sean E.

Hi 👋, 14,000+ hours & 15+ years of software architecture experience, specializing in AI Engineering, Machine Learning, and Scalable Cloud Solutions. Top-Rated Upwork freelancer (Awarded Best Freelancer in India) with a proven track record delivering complex systems for enterprise clients like Microsoft, Technicolor, and Solvusoft. I help businesses integrate cutting-edge AI from custom LLM integrations and RAG pipelines to predictive analytics backed by bulletproof, full-stack enterprise architecture. What I Bring to Your Project: AI & ML Engineering: Custom LLM fine-tuning, RAG architectures, Prompt Engineering, Neural Networks, Computer Vision, and NLP. Solutions Architecture: Scalable AI pipelines, cloud infrastructure design, API integration, and performance optimization. Technical Leadership: High-level system design, code reviews, team mentoring, and rapid prototyping to production. Core Tech Stack: AI / ML / Data: Python, PyTorch, TensorFlow, OpenCV, LangChain, LlamaIndex, Vector DBs (Pinecone, Chroma), Hugging Face. Full-Stack & Cloud: Python, C++, C# (.NET), React, Node.js, AWS/Azure, Docker, CI/CD (Jenkins, GitHub Actions). Legacy & Systems: Cross-platform desktop (Qt/C++), WebRTC, Blockchain, Unity, Mobile (iOS/Android). Why Work With Me? 6,900+ Upwork hours & 70+ projects completed individually with high client satisfaction. Top 5% on StackOverflow for core engineering skills. Microsoft Certified Professional (MCP) with a focus on high performance and zero memory leaks. Whether you need to build an AI product from scratch, optimize an existing ML pipeline, or integrate LLMs into your current platform let's connect!