Agent Systems Engineer
Adaption · San Francisco
About this role
## Agent Systems Engineer ### The Role You’ll build the agent systems at the core of our product—turning customer goals into reliable, multi-step execution across real tools and services. This is not about building demos. You’ll work on agents that operate under real constraints: incomplete information, external failures, limited budgets, and unpredictable traffic. You’ll own how they plan, use tools, recover from errors, and improve over time. ### Responsibilities - Design agent architectures for planning, reasoning, tool use, memory, and integration with external systems and data. - Improve reliability on long-running, multi-step tasks, including failure recovery. - Build the loops that let agents improve with real use, so performance compounds instead of staying frozen. - Develop evaluations that measure agent performance and resist being gamed. - Make practical tradeoffs between quality, latency, cost, and complexity. ### Qualifications - 5+ years building production ML or backend systems, including taking LLM or agent applications from prototype to production. - Strong understanding of agent design: planning, reasoning, tool use, orchestration, and memory. - Experience building rigorous evaluation systems, plus execution tracing and observability for agents, with a focus on reproducibility. - Familiarity with the OpenAI Responses API, MCP, and server- versus client-side execution. ### About Us Most AI is frozen in place—it doesn’t adapt to the world. We think that’s backwards. Our mandate is to build efficient intelligence that evolves in real-time, with a vision of flexible, personalized, accessible AI for everyone. ### Benefits - **Flexible work:** In-person collaboration in the Bay Area, distributed global-first team, and team offsites. - **Adaption Passport:** Annual travel stipend to explore a country you’ve never visited. - **Lunch Stipend:** Weekly meal allowance for take-out or grocery delivery. - **Well-Being:** Comprehensive medical benefits and generous paid time off.
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