l o a d i n g

Senior REST API Developer – Service Reliability Upgrade

Sep 29, 2026 - Senior

$2,008.00 Fixed

Keystone Digital

Contract · Remote · Flexible hours

About the role

We are modernizing a legacy production platform that must stay live 24/7. The project requires a seasoned REST API Developer to redesign services, improve performance, and implement zero‑downtime deployment patterns.

Key responsibilities

  • Refactor existing endpoints into clean, versioned REST APIs using NodeJS
  • Design database schemas and queries in PostgreSQL for high‑throughput workloads
  • Implement automated tests and CI pipelines to guarantee uninterrupted releases
  • Collaborate with DevOps to set up blue‑green or canary deployments
  • Document API contracts and migration guides for internal teams

Must-have skills

  • Deep experience building and scaling REST APIs in NodeJS
  • Strong JavaScript proficiency and async programming knowledge
  • Advanced PostgreSQL design, indexing, and query optimization
  • Proven track record delivering zero‑downtime updates in production

Nice to have

  • Familiarity with Docker and container orchestration
  • Experience with API gateways or service meshes
  • Knowledge of monitoring tools like Prometheus or Grafana
  • Proposal: 0
  • Less than 2 month
AuthorImg
George Seagraves Inactive
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Oct 27, 2025
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