sekai - AI Agent Engineer (Coding Agent)
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Requirements
• Built a coding agent, devtool, IDE assistant, or code generation pipeline • Experience building evaluation frameworks (automated scoring, regression suites, release gating) • Experience designing MCP-style tool protocols or robust tool interfaces for LLM systems
Responsibilities
• Designing and owning the agent runtime and orchestration layer • Building long-horizon agent workflows: prompt → plan → generate → run/validate → repair → publish • Developing robust evaluation and quality loops including eval harnesses, regression testing, and failure taxonomy • Designing model strategies including routing, benchmarking, reliability improvements, and cost/latency optimization • Creating debuggable agent systems with tracing, metrics, alerts, and observability • We’re looking for • Have experience building agentic systems involving tool use, orchestration, retry/repair loops, and context management • Are comfortable working with modern agent frameworks, such as • LangChain, LangGraph, Google ADK, Pi-mono, or Vercel AI SDK • Are strong engineers in Python or TypeScript • Have experience shipping and operating production systems • Have strong product instincts and can translate user experience goals into system • design decisions
Benefits
• We’re doubling down on creation quality and reliability. This is a key role with real ownership: the person will run the lane end-to-end and set the technical bar for agent-driven app generation. • Competitive compensation: salary + equity • Health coverage: we cover full medical insurance / health insurance • If you are excited about building at the frontier of AI, consumer social, and interactive entertainment, we would love to hear from you. • At Sekai, you will work with an AI-native team, move fast, own meaningful problems, and have the flexibility to explore new ideas from an early stage.
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