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Senior Software Engineer, AI Engineer

Midi Health - San Francisco, CA, United States - Hybrid - posted 2026-09-25

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Salary: USD 170,000 - 210,000 / annual

Midi Health is the largest virtual care clinic for women navigating perimenopause, menopause, and other hormonal transitions. The company combines expert clinicians, evidence-based protocols, and modern technology to deliver historically underserved care. You will join a fast-growing, mission-driven team building the infrastructure and products that define this new category of care. The Role You will design, build, and ship LLM-powered features end-to-end—from prompt design and retrieval to tool use, agents, evaluation, and production operations. Your work will span clinical workflow automation, patient-facing assistants, and back-office intelligence, all grounded in healthcare-grade safety and evaluation standards. Key Responsibilities - Design and build LLM-powered features end-to-end, including prompt design, retrieval, tool use, agents, evaluation, and production operations - Build evaluation harnesses and feedback loops to enable responsible AI feature shipping - Integrate AI capabilities deeply into patient, clinician, and operational workflows - Partner with clinical, product, and safety stakeholders to define success criteria - Contribute to internal AI-for-engineering practices and tooling - Stay close to AI research and ecosystem developments; bring best practices back to the team Culture & Work Style The team operates hybrid by design: two days per week in-office (Tuesday and Thursday) in Palo Alto or San Francisco. The company is AI-native, expecting every engineer to be fluent with modern AI coding tools (Claude Code, Cursor, Copilot, etc.) and to actively push the frontier of software development. The culture emphasizes low-ego, high-curiosity collaboration, technical rigor over politics, and outcome-oriented execution that balances speed with the durability healthcare demands. Requirements - 6+ years of software engineering experience with meaningful recent time building production LLM / ML features - Strong hands-on coding skills in Python; comfortable across the full stack when needed - Seasoned at system design for AI systems: retrieval, orchestration, caching, evaluation, cost and latency tradeoffs - Deep, hands-on command of modern AI coding tools; strong follower of the frontier who applies new techniques quickly - Good mentorship instincts; generous with knowledge sharing - Rigorous about evaluation and safety; committed to evidence-based launches - Strong communicator; comfortable explaining model behavior to non-technical stakeholders - Low-ego, curious, humble mindset Nice to Have - Experience with healthcare, clinical NLP, or regulated AI deployments - Experience building agentic systems or production RAG at scale

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