Staff Software Engineer - Backend/Infra [NYC or SF]

Amigo•New York City, NY

8h•Onsite

About The Position

As a Staff Backend/Infra Engineer 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.

Requirements

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 New York City or San Francisco

Nice To Haves

Experience in a regulated or high-reliability domain (healthcare, finance, legal)
High-throughput or low-latency system design
Experience with production AI or ML systems

Responsibilities

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
Think carefully and holistically about system design under time pressure.