Senior Principal / Staff Engineer — Watchtower Labs In-person only - Bellevue, WA
Citizenship required (DoD Clearance preferable)
ai with three bullets that prove you can do this. No generic claims. This is not a “backend engineer” role in the usual sense.
Drive performance until it hurts: profiling, contention, memory, throughput, p99s
Lead by doing: you’ll ship critical pieces yourself and pull others up with you
Deep experience building real systems in production (distributed, performance-sensitive, mission-critical)
Comfort working across C#/.NET Core, Linux, Python (or equivalent mastery + fast learning)
Strong mental model of systems: concurrency, networking, data integrity, deploy/release, observability
Work with real consequences and real pride when it ships
Staff Software Engineer in workfromhome at Unknown Company
This position is listed as full time and onsite.