Senior Software Engineer (Backend)

**About Amigo** =============== Amigo partners with healthcare organizations to deploy robust AI infrastructure that directly serves patients and providers. Our agents handle clinical workflows and patient engagement across the entire journey: pre\-visit intake, care navigation, post\-visit care plans, patient monitoring, and more. We're fresh off our Series A backed by Tier 1 investors like Madrona, General Catalyst, and Optum Ventures. Our work is validated with leading academic medical institutions. Our agents have reached 3M\+ patient encounters and are on track to 10x this year. **About this role** =================== As a Senior Software Engineer (Backend) at Amigo, you'll build the core services behind our agent platform. The systems you own handle millions of conversations a month, so concurrency, reliability, and clean design are the job itself, not an afterthought. You'll own services end to end, from design through production. **What you might work on** ========================== * Designing high\-throughput services that handle concurrent conversations at scale * Owning a core platform service from design to production * Building systems that stay available and degrade gracefully when things fail * Handling sensitive healthcare data with the care it requires * Improving performance, observability, and operational health across services * Shaping architectural decisions as the platform grows **You may be a fit if** ======================= * You've built and operated production backend systems at scale and owned the outcome * You're strong with concurrency, distributed systems, and service design * You prefer simple, maintainable solutions to hard problems * You debug well across services, queues, and databases * You're low ego, direct, and hold yourself to a high bar * You can work on site in San Francisco **Nice to have** ================ * Experience in a regulated or high\-reliability domain (healthcare, finance, legal) * High\-throughput