Description
pdfFiller is hiring a Full Stack Developer to build tool-calling, streaming, and RAG features for its AI assistant and product improvements. The role owns features end to end, including requirements, production, testing, monitoring, incident response, and code reviews, with an approximately 80% backend and 20% frontend split. The technology stack includes Node.js, TypeScript, NestJS, LangGraph, PostgreSQL, pgvector, React, AWS, and related AI and observability tools. Required experience includes LangGraph or LangChain, agent orchestration, state machines, RAG and vector search, streaming protocols, observability, LLM evaluation, and technical documentation.
