Full-Stack Engineer (Agentic AI)
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We are currently seeking an experienced Senior Software Engineer (Agentic AI) to join an AI start-up client of ours on a permanent basis. This is with a silicon valley based startup that is building cutting edge AI software to help software development teams be more productive. The company engages in R&D activity to build, fine tune and work with emerging generative AI foundation models. The role requires candidates to be based within a commutable distance to Sunnyvale, Bay Area, as the client has a 5 days office policy.
Key Responsibilities:
- Design and build end-to-end AI agent applications, from frontend UX to backend orchestration
- Implement agent logic, including tool use, memory, planning, and evaluation
- Integrate LLMs, vector databases, APIs, and external services
- Build scalable backend services (APIs, workers, queues) to support agent workflows
- Develop clean, intuitive front-end interfaces for interacting with AI agents
- Optimize for latency, reliability, cost, and observability
- Write tests, monitor production behavior, and iterate based on real usage
- Collaborate on system architecture, security, and deployment strategies
Desirable Requirements:
- Strong background in building AI agents from scratch- experience with LangGraph and LangChain would be a plus
- Strong experience with Python is important for this role
- Expertise with full-stack development would be a plus (python, react/typescript)
- Experience with 0-1 product building is a major plus - can be commercial or side projects