
Backend Platform Engineer at Usul (San Francisco, CA)
Usul· San Francisco, CA· $180k–$240k·
Role details
Job description
About Usul
Usul is a Silicon Valley AI lab helping America and its allies buy technology at the speed of Amazon Prime. We're Stanford dropouts, MIT AI scientists, and Tier-1 Special Forces Operators dedicating our lives to rebuilding the infrastructure that equips the Western world.
We’re the youngest founders to ever win a US Defense contract. Over the past year, we’ve helped Global 500 companies including RTX, BAE Systems, Palantir and Ukrainian drone manufacturers win $12B in contracts across 30 NATO nations.
You’ll be a backend platform engineer building the core platform infrastructure that world governments will use daily to acquire any technology at the speed of relevance.
Who we’re looking for
- 2-8 YOE backend infra experience
- Experience with several of the following: Python, DevOps, Bash, Linux, Kubernetes, Terraform, AWS/GCP, and agentic/LLM tooling.
- Bonus: Typescript
- Has passion for solving mission-critical national security problems
About the interview
- 15-minute screening with Joon (CTO) or Oliver (CPO)
- 30-minute Culture Fit with Jarren (CEO)
- 3-hour Technical Interview with Joon (CTO)
- On-site at San Francisco/DC
- Offer!
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Why work at Usul
- Culture: Fast‑moving YC‑backed startup with a small, tight‑knit team (currently ~16 people) where each hire has outsized impact. Described as “shipping products that reshape how governments buy technology across the world.” usul.com
- Work policy: Primarily office‑based in San Francisco (San Francisco Office location per YC). Not explicitly remote/hybrid, but likely in‑person given the high‑trust, collaborative nature of defense/govtech.
- Perks: Competitive salary ranges (e.g., $120K–$250K for engineering roles) plus equity (0.10%–0.75% for founding roles). ycombinator.com
- Engineering culture: Strong focus on AI and full‑stack development; opportunities to build critical infrastructure for government procurement; team includes engineers from Stanford, Palantir, MITRE. ycombinator.com
- Why candidates join: Chance to solve a massive, overlooked problem ($8.4T in government spend), work with top defense investors and clients, and be part of a high‑growth YC startup from an early stage.