$2,889.00 Fixed
Keystone Digital
Part-time · Remote · Flexible hours
About the role
Keystone Digital is revamping the performance and reliability of its customer‑facing services. We need a Java Developer to redesign critical back‑end components, improve latency, and ensure robust uptime.
Key responsibilities
- Refactor existing Java services to reduce response times by 30%+
- Implement circuit‑breaker patterns and graceful degradation for external APIs
- Introduce comprehensive logging and metrics with Prometheus/Grafana
- Collaborate with QA to create performance test suites
- Document architectural changes and release notes
Must-have skills
- Strong Java expertise (5+ years)
- Hands‑on experience with Spring Boot and microservices architecture
- Proficiency in performance profiling and tuning tools
- Familiarity with CI/CD pipelines and containerization
Nice to have
- Knowledge of Kubernetes orchestration
- Experience with distributed tracing (Jaeger, Zipkin)
- Background in cloud platforms (AWS, GCP)
- Proposal: 0
- Less than a month
David Beason
,
Member since
Oct 27, 2025
Total Job