Backend Engineer, Node.js Platform

About the role

We are looking for a Backend Engineer to own server‑side application logic, REST APIs, and the relational data layer for our product services. The role focuses on building high‑performance TypeScript services on Node.js and evaluating new runtimes such as Bun.

Key responsibilities

• Design and implement REST APIs using TypeScript and Express.
• Model relational data in PostgreSQL and manage schema migrations with Drizzle ORM or Prisma.
• Own query performance, indexing strategy, and data integrity for the services you build.
• Implement authentication, authorization, validation, and core business logic.
• Evaluate and pilot Bun as a runtime for latency‑sensitive services.
• Write integration tests against PostgreSQL.

Required profile

• Strong fundamentals in TypeScript and Node.js, including async programming and event‑loop behavior.
• Production experience building REST APIs with Express.
• Deep PostgreSQL expertise: schema design, indexing, transactions, and query optimization.
• Hands‑on experience with Drizzle ORM or Prisma, including migrations and type‑safe query authoring.
• Understanding of API design principles and authentication patterns such as JWT, OAuth, or session‑based auth.

Required skills

• TypeScript
• Node.js
• Express
• Bun (bundler, test runner, or package manager)
• Drizzle ORM
• Prisma
• PostgreSQL
• JWT
• OAuth
• Session‑based authentication
• REST API design
• Async programming
• Event‑loop management
• Schema design and migrations
• Query optimization and indexing
• Integration testing