l o a d i n g

Senior Java Developer Needed for Customer-Facing Legacy System Migration

Sep 17, 2026 - Senior

$2,836.00 Fixed

Harbor Softworks

Contract · Remote · Flexible hours

About the role

Harbor Softworks is modernizing a legacy production platform that must stay online 24/7. We need a Java Developer – Platform Modernization to redesign core services, improve scalability, and implement zero‑downtime deployment patterns.

Key responsibilities

  • Refactor monolithic Java code into Spring Boot microservices
  • Design and implement API contracts that support live traffic migration
  • Set up CI/CD pipelines with blue‑green or canary releases
  • Collaborate with ops to instrument health checks and automated rollbacks
  • Write unit, integration, and performance tests to guarantee reliability

Must-have skills

  • 5+ years of Java development experience
  • Deep knowledge of Spring Boot and microservice architecture
  • Experience with zero‑downtime deployment strategies
  • Proficiency in Docker and Kubernetes basics

Nice to have

  • Familiarity with legacy mainframe integration
  • Knowledge of observability tools such as Prometheus or Grafana
  • Proposal: 0
  • Less than 2 month
AuthorImg
David Beason Inactive
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Member since
Oct 27, 2025
Total Job
236