About this role
Senior AI Engineer at Virtuos. Location: Shanghai or China. Role: designing libraries, operating agents, building services Requirements: 3+ years building production AI/LLM systems; strong Python expertise (FastAPI, Pydantic, SQLAlchemy); experience with Postgres, MongoDB, Redis; Git/GitLab CI/CD, Docker, pytest; agent loop, memory, and eval-driven development; strong English. Category: Software Development Seniority: Mid Level Tools: Python, TypeScript, JavaScript, FastAPI, Pydantic, SQLAlchemy, PostgreSQL, MongoDB, Redis, Git, GitLab CI/CD, Docker, pytest, MCP, LangChain, LangGraph, Claude Agent SDK, Pydantic AI, vLLM, Ollama, llama.cpp, OpenCode, OpenClaw, vector databases Commitment: Full Time Workplace: Onsite Languages: English