# Patrick Araujo / PkLavc > Backend Software Engineer focused on AI systems, automation, API integrations, data pipelines, and internal platforms. Website: https://pklavc.com/ Portfolio: https://pklavc.com/projects/ Blog: https://pklavc.com/blog/ Resume: https://pklavc.com/resume/ GitHub: https://github.com/PkLavc ## Main topics - Backend engineering - AI systems - LLM applications - RAG - API integrations - Automation - Data pipelines - Cloudflare Workers - Python - FastAPI - Node.js - TypeScript - PostgreSQL ## Important pages - https://pklavc.com/ - https://pklavc.com/about/ - https://pklavc.com/projects/ - https://pklavc.com/blog/ - https://pklavc.com/resume/ - https://pklavc.com/uses/ - https://pklavc.com/now/ - https://pklavc.com/media-kit/ - https://pklavc.com/certifications/ ## Contact Professional contact: contact@pklavc.com Security contact: security@pklavc.com