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Senior Full-Stack Engineer

Full-time

USA Quality Staffing INC

Salary: $125,000 - 125,000 per year Requirements:

  • We bring 6+ years of experience building production web applications across the full stack, including meaningful time in a senior or staff-level role.
  • We are highly proficient in TypeScript on both the client and server side.
  • We have strong React experience, including hooks and modern development patterns, and are comfortable with a fast toolchain such as Vite.
  • We have solid backend experience with Node.js and frameworks such as Fastify, Express, or NestJS, along with API design and architecture.
  • We have deep PostgreSQL knowledge, strong data-modeling skills, and hands-on experience with an ORM such as Prisma and large-scale migrations.
  • We understand multi-tenant data isolation, including row-level security and tenant-scoped access patterns.
  • We make sound technical trade-offs, such as choosing between schema-per-tenant and row-level isolation, and evaluating build-versus-buy decisions.
  • We are comfortable using Docker for local development.
  • We communicate clearly and document our work effectively.
Responsibilities:
  • We build features end to end, spanning PostgreSQL schema and Prisma models, Fastify APIs, and the React interface.
  • We design and improve our multi-tenant data model and access controls, including row-level security and role-based permissions.
  • We use Zod and strong typing to keep API contracts and runtime validation reliable.
  • We take features into production on Google Cloud Run and handle observability and live debugging.
  • We raise engineering quality by expanding automated test coverage with Vitest and Playwright and adding quality gates to CI/CD.
  • We review pull requests, mentor teammates, and help shape technical direction as the team grows.
  • We apply a modern approach to end-to-end testing.
  • We work comfortably with AI-assisted development and contribute to building agents that improve team productivity.
Technologies:
  • AI
  • API
  • Backend
  • CI/CD
  • Cloud
  • Docker
  • NestJS
  • Phoenix
  • Playwright
  • PostgreSQL
  • Prisma
  • React
  • Security
  • TypeScript
  • Web
  • NodeJS
  • CSS
  • Firebase
  • Frontend
  • GitLab
  • JavaScript
  • Nginx
  • pnpm
  • RBAC
  • SAML
  • UX UI Design
  • Fullstack

More:

We are an early-stage startup building a multi-tenant SaaS platform for regulated and public-sector customers. This is a hybrid role based in our Phoenix office, and you will join a small, high-ownership team where decisions have lasting impact. Our environment values strong engineering judgment, compliance-aware development, and broad full-stack ownership. We offer competitive compensation, health, dental, and vision coverage, PTO, a 401(k), and the opportunity to work with a team that moves quickly and gives real ownership.

last updated 35 week of 2026

Vacancy posted more than 2 months ago

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