Bayisa Balcha
@bayisabalcha
AI-powered full-stack developer building RAG applications and automation systems, including a document scanner for natural-language PDF queries.
EthiopiaWhat I'm looking for
I developed an Intelligent Document Scanner & RAG System that lets users upload PDFs and ask questions with context-aware answers, using LangChain, OpenAI, and Pinecone.
As a freelance AI & Full-Stack Web Developer, I build AI applications and n8n workflows, including customer support agents, Telegram bots, and multi-channel lead-generation systems. At Revelo, Postwork, and Micro1, I train and evaluate LLM responses and contribute feedback and evaluation rubrics. I also developed Agritech-ET, a mobile-first platform connecting Ethiopian farmers to market prices, services, and best practices.
Experience
Work history, roles, and key accomplishments
AI Trainer & LLM Evaluator
Revelo, Postwork, Micro1
Jan 2024 - Present (2 years 9 months)
Train, evaluate, and refine LLM responses across multiple AI platforms, providing expert human feedback on code quality, technical accuracy, and reasoning depth. Collaborate with engineering teams to identify model weaknesses and supply high-quality supervised fine-tuning data.
Freelance AI & Full-Stack Web Developer
Self Employed
Jan 2023 - Present (3 years 9 months)
Architect and deploy full-stack AI applications with RAG pipelines, agentic AI, and intelligent automation systems for clients in agriculture, business, and community sectors. Developed a production-ready Intelligent Document Scanner & RAG System and built advanced automation workflows using n8n.
Education
Degrees, certifications, and relevant coursework
Adama Science and Technology University
BSc, Software Engineering
Currently pursuing undergraduate studies in Software Engineering, integrating academic foundations with hands-on AI engineering and full-stack development practice.
Cisco Networking Academy
Certificate, AI Fundamentals
Completed the AI Fundamentals programme, building a structured foundation in machine learning, neural networks, and AI ethics.
University of Helsinki
Certificate, Artificial Intelligence
Completed the Elements of AI course, building a structured foundation in machine learning, neural networks, and AI ethics.
Availability
Location
EthiopiaAuthorized to work in
Portfolio
on-one-page.vercel.appSocial media
Job categories
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