Leo

TypeScript

Full-stack developer specializing in TypeScript, Node.js, Vue, MongoDB, AI applications and RAG systems. I build practical backend and AI-powered applications, including: LLM data extraction and structured JSON generation RAG pipelines and document processing PDF parsing and financial data extraction Node.js / TypeScript backend services MongoDB data processing and APIs Vue 3 frontend applications I’m particularly interested in privacy-focused software, cryptocurrency infrastructure, AI applications and financial technology. Available for short-term tasks, bug fixes, integrations,…