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# Senior Full Stack Engineer - Remote

- **Company:** Xuman Inc.
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Databases, Software Debugging, PostgreSQL, Node.Js, Software Engineering, TypeScript, Backend, React Native, NestJS, GPT
- **Published:** August 30, 2026
- **Apply:** https://arc.dev/remote-jobs/j/redirect/pg4dvrp9i7

## About the Role

Five years or more across the full stack, shipping products real people depended on

## Description

Backend depth: Node and TypeScript services, relational schemas, and migrations run against live data. Ours is NestJS with Prisma and PostgreSQL.

 - Mobile depth: React Native apps you shipped to both stores, and the release cycle that comes with them. Ours is Expo.

 - You have refactored a live codebase without taking it down, and can say how you sequenced it

 - Tests you put on critical paths yourself, and CI gates you wired so they could not be skipped

 - You have reviewed at a senior level and made a team measurably better

 - You read the requirement first and the diff second, and you can tell code that works from code that holds at ten times the load

 - Security instincts on authentication, money paths and personal data; database review that catches the missing index and the unsafe migration

 - You give hard feedback directly and specifically, and you are comfortable rejecting work and saying exactly why

 - AI in the review loop: you have used AI to review or refactor at scale and you know where it gets it wrong

 - You use AI tools (Claude, Copilot, ChatGPT) daily to write, debug, and ship faster. Not optional; this is how we work.

What you'll get:

 - The quality bar for the whole codebase, and the authority to hold it

 - The review machine as your own: the gates, the automated reviewer, the standard every team ships against

 - Reach across every team, both apps and the web, without managing anyone

 - Senior pay that grows with the milestones we hit

 - AI in the review loop, so your time goes to judgment, not to lint


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