$1,689.00 Fixed
LumenWorks
Contract · Remote · Flexible hours
About the role
LumenWorks is revamping its customer‑facing services to boost performance and reliability. We need a seasoned REST API Developer to redesign core endpoints, optimize data flow, and ensure high‑availability under load.
Key responsibilities
- Refactor existing APIs for lower latency and higher throughput
- Implement robust error handling, logging, and monitoring
- Design database queries and indexes in PostgreSQL for efficiency
- Collaborate with QA and DevOps to embed performance tests into CI pipelines
- Document API contracts and versioning strategy
Must-have skills
- 5+ years building scalable RESTful services
- Deep expertise in NodeJS and JavaScript
- Advanced PostgreSQL query optimization
- Experience with load testing and performance profiling
Nice to have
- Familiarity with containerization (Docker)
- Knowledge of API gateways and rate limiting
- Proposal: 0
- Less than 2 month
Gregory Brockett
,
Member since
Oct 28, 2025
Total Job