Tech Lead Python GenAI Developer
New
United StatesFull-TimeLead
Salary not disclosed
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Job Details
- Languages
- English (B2+ level)
- Experience
- 6+ years
- Required Skills
- PythonFastAPILangChain
Requirements
- 6+ years of Python engineering experience with strong backend foundations
- Proven commercial experience building GenAI or LLM-centric systems
- Hands-on expertise with FastAPI, Pydantic, LangChain, LangGraph
- Strong understanding of embeddings, similarity search, and vector databases
- Experience running GenAI workloads in production environments
- Ability to lead engineers, make architectural decisions, and coordinate delivery
- English at B2+ level for daily collaboration
Responsibilities
- Provide technical leadership for Python-based GenAI services
- Design backend architecture for LLM products including routing, retrieval, memory and evaluation flows
- Build and optimise Python microservices exposing GenAI capabilities (FastAPI, Pydantic)
- Drive RAG pipeline design using LangChain and LangGraph
- Define ingestion, chunking and embedding workflows for enterprise knowledge systems
- Integrate vector databases (Pinecone, Chroma, Weaviate)
- Establish standards for prompt lifecycle management, token strategy, and model selection
- Collaborate with frontend and platform teams to ensure smooth API consumption
- Lead evaluation cycles, latency reduction, and production-readiness measures
- Promote best practices in code quality, observability, DevOps, and cloud deployment
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