Engineering
Backend Developer (Cloudflare Workers)
Full-time · Ho Chi Minh City
Writes APIs that run on Cloudflare Workers, with data in D1 and R2.
Responsibilities
- Develops APIs for the public platform, the admin area, and the agent app.
- Designs tables and queries on D1; handles images and video stored on R2.
- Integrates third parties: Zalo ZNS messaging, the PayOS payment gateway.
- Keeps the public data boundary: some fields must never be exposed through the public-facing API.
Requirements
- Strong in Node.js or server-side JavaScript, understands HTTP and API design.
- Can write SQL and knows why a query runs slow.
- Handles tenants' personal data carefully.
Nice to have
- Has used Cloudflare Workers, D1, R2, or an equivalent serverless platform.
- Has a habit of writing automated tests for APIs.