We are looking for a Senior Backend Developer for an important U.S.-based client. Project: Acceleration of platform alignment and deployment repeatability to support large, complex customer engagements and regulated environments, with an emphasis on improving release velocity, architectural consistency, and time-to-market. What you’ll do Build and enhance Java microservices running on Kubernetes (EKS strongly preferred) Implement APIs and service workflows with production-grade quality (tests, telemetry, docs) Help scale services (autoscaling, performance tuning, resilience patterns, safe rollouts) Integrate with AWS services (commonly DynamoDB, S3, ELB/ALB/NLB, Route 53, KMS) Improve reliability and operability: logging, metrics, tracing, dashboards, alerts, runbooks Participate in code reviews and collaborate with staff engineers on designs and implementation details Must-haves 6 to 8+ years' experience Quarkus or Helidon experience (strong preference) Strong Kubernetes experience (deployments, debugging, resource tuning); EKS experience is a big plus Hands-on experience with microservices patterns: retries/timeouts, idempotency, async workflows, backward-compatible APIs Strong communication and ability to deliver independently with minimal ramp time Nice to have (strongly preferred) Observability tooling (OpenTelemetry, Prometheus/Grafana, Coralogix, ELK, etc.) Experience with CI/CD pipelines and release strategies (blue/green, canary, feature flags) What success looks like (examples) Ship production changes within the first 1–2 weeks (after access + brief onboarding) Deliver services/features with tests + instrumentation + deployment artifacts Reduce incidents/toil and improve SLO posture via operational improvements