LangChain

Ask HN: Who is hiring? (September 2026)

Founding Engineer with 15 years in IT. I build and ship business projects from scratch, backend, frontend, infrastructure, and I'm strong in AI (LLM integration, RAG, fine-tuning). Happy to take full ownership of the technical side of a startup and move fast without a team behind me. Open to joining as a founding or technical co-founder, or first engineer. Technologies: Python, FastAPI, TypeScript/Next.js, React, LLM/RAG (LangChain, LoRA/QLoRA fine-tuning on LLaMA/Mistral/Gemma), data engineering (DWH, ETL/ELT, Airflow, Spark), PostgreSQL/ClickHouse, AWS, Docker Email: berd@digitalberd.com

Ask HN: Who wants to be hired? (September 2026)

Location: Gipuzkoa, Spain (CET) Remote: Yes, remote only Willing to relocate: No Technologies: Python, FastAPI, Celery, Postgres/pgvector, SQLAlchemy, Alembic, Redis, LangGraph, MCP, LangChain, Chroma, RAG (hybrid BM25 + dense, cross-encoder reranking), LLM-as-judge evals, Docker, GitHub Actions Résumé/CV: https://www.emanuelecz.dev/emanuele-czofei-cv.pdf Email: emanuelecz06@gmail.com Self-taught AI engineer, two years building, four months at a startup. Strongest at the unglamorous half: retrieval that retrieves, evals you can trust, knowing how a system fails. Built a Spanish occupational-safety RAG pipeline over the INSHT/NTP construction-safety corpus — hybrid BM25 + dense retrieval with a Voyage cross-encoder reranker, and an eval harness over a 50-quest…

Ask HN: Who wants to be hired? (September 2026)

Location: Istanbul, Türkiye Remote: Yes Willing to relocate: No Timezone: UTC+3 Technologies: TypeScript, JavaScript, Next.js, React, Node.js, Python, FastAPI, PostgreSQL, Supabase, MongoDB, OpenAI APIs, LangChain, n8n, Vercel, ComfyUI Full-stack developer focused on AI products, agentic systems, and automation. My recent work has been around building practical LLM-powered systems rather than simple chat interfaces: multi-step agent workflows, tool/function calling, structured outputs, persistence, approval pause/resume flows, retries/checkpoints, streaming, API integrations, and automation pipelines. Projects include PersonaChat, AI-powered web products, Discord bots, ComfyUI/ComfyDeploy workflows, and agent systems combining backend logic, databases, external APIs, a…

Show HN: RagLeap Core – 46 AI Employees, open-source LangChain alt

Thanks for checking! Built this as open alt to LangChain/CrewAI - 46 role-based AI Employees that run from your own docs on your own server. Self-hosted, BYOK, MIT. Stack is 4 PyPI packages (26k downloads) - ragleap-rag with 6 vector DBs + hybrid search, ragleap-graph with Neo4j. Currently at 0 stars, day 0 - Would love feedback from anyone who built RAG in production - what broke for you?

Show HN: RagLeap Core – 46 AI Employees, open-source LangChain alt