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

The role offers long-term earning potential with a strong compensation package, including a strong equity component.