Jobs · Engineering · California

AI Engineer

Ursus, Inc. · Foster City, CA · Yesterday
HybridEngineering$180k–$220k/yrFull-time

Responsibilities

  • Build & Ship
    • Design and build MCP servers that expose data and analytics as discoverable, reliable tools for AI agents, with proper auth, scoping, and access controls
    • Architect and ship agentic workflows: multi-step reasoning, tool use, orchestration patterns, and human-in-the-loop where needed
    • Own the full lifecycle — API/tool design, deployment, monitoring, production hardening
  • Reliability & Iteration
    • Use evals to validate agent behavior before shipping, catch regressions, and debug production divergence
    • Build observability and tracing to make agent behavior inspectable and auditable
    • Tune for latency, cost, and reliability as models and data drift
  • Execution & Collaboration
    • Partner with Product Builders, design, and customers to ship working software (not prototypes)
    • Build internal SDKs, reusable patterns, and shared context that raise the floor for the whole team
    • Stay close to the fast-moving MCP/agent ecosystem and bring back what's relevant

    Qualifications

    • 3–7+ years of software engineering experience, with production systems shipped end-to-end
    • Strong Python backend fundamentals; comfortable owning services from design through deployment (fullstack a plus)
    • Hands-on experience building and operating LLM-powered agents in production — with concrete stories of what broke, how you fixed it, and what you'd do differently
    • PRACTICAL FAMILIARITY WITH AGENTIC PATTERNS: tool use, structured outputs, prompt chaining, multi-agent coordination, and knowing when a deterministic workflow is the right call
    • Experience designing/building MCP servers or equivalent tool-use / AI connector integrations
    • Experience using evals to validate and debug agent behavior
    • Comfortable with cloud deployment (GCP/AWS), containerized services, and async Python
    • Strong product instinct — thinks about what users actually need and pushes back when a spec doesn't add up

    Benefits Summary

    • Individual compensation is determined by skills, qualifications, experience, and location.
    • Compensation details listed in this posting reflect the base hourly rate or annual salary only, unless otherwise stated.
    • In addition to base compensation, full-time roles are eligible for Medical, Dental, Vision, Commuter and 401K benefits with company matching.

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