Senior Full-Stack Engineer

New
U
UserEvidenceSaaS Platform
Brazil. Colombia. Paraguay. Chile. Argentina. Uruguay, US time zonesFull-TimeSenior
Salary not disclosed
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Job Details

Experience
At least six years building software in a team environment
Required Skills
Node.jsPostgreSQLSQLTypeScriptNext.jsReact

Requirements

  • At least six years of professional software development experience.
  • At least four years of professional experience with TypeScript (strict mode).
  • Production experience with a modern Node/Bun backend framework (e.g., Hono, Express).
  • Production experience with a typed ORM (Prisma preferred).
  • Experience writing complex SQL queries against PostgreSQL.
  • Experience with background job systems (e.g., BullMQ).
  • Production experience with React and Next.js.
  • Production experience writing integration tests against real databases.
  • Fluency in AI-driven engineering workflows (e.g., Claude Code, Cursor).
  • Ability to collaborate during US time zones.

Responsibilities

  • Port modules from legacy Express API to new Hono API with integration test coverage.
  • Decompose large React components and convert legacy code to strict-mode TypeScript.
  • Improve frontend performance and data integrity.
  • Build new customer-facing features behind feature flags.
  • Investigate and resolve customer-reported bugs through code archaeology.
  • Conduct peer code reviews.
  • Utilize automated testing and deployment pipelines as a safety net.
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