Humayoun B.

I build AI systems that businesses use every day: RAG chatbots over your own documents, LLM agents that automate workflows, and OCR and computer vision pipelines. RECENT WORK - An AI SaaS tool that analyses team communication, built end to end from machine learning model to web app. - Image recognition and generative AI for a creative-industry client. - A trained machine learning model for a cryptocurrency project, including integration into the client's product. The client's review: "Amazingly, not only did they train the model, but they also helped me with the technical aspects of integration." - Agency 9, an AI-powered sales CRM and dashboard. WHAT I WORK ON - LLM apps and agents: OpenAI, Claude and Gemini APIs, LangChain, LlamaIndex, LangFuse - RAG and search: Pinecone, Qdrant, Chroma, Postgres, semantic search - Document AI: OCR for invoices, receipts, IDs and PDFs (Tesseract, EasyOCR, Google Cloud Vision) - Computer vision: YOLO, Mask R-CNN, U-Net, OpenCV, face recognition - Shipping it: Python, TypeScript, React, Node.js, Docker, GCP, plus web and mobile front ends HOW WE WORK 1. Short call to understand your use case and what success looks like 2. Written scope with milestones and a fixed price or hour estimate 3. Weekly demos so you see working software, not status updates 4. Handover with documentation and a walkthrough I have been building production software since 2018, starting in front-end and React Native and moving into AI. Top Rated Plus on Upwork, 100% Job Success, 941+ hours worked and five-star reviews on every rated project.