l o a d i n g

Java Developer for Legacy System Migration Workstream

Sep 22, 2026 - MidLevel

$2,099.00 Fixed

DataPro Services

Freelance · Remote · Flexible hours

About the role

DataPro Services is launching an integration project to unify billing, CRM, and internal APIs. We need a Java Developer who can design and implement robust services that bridge these systems while maintaining high performance and security.

Key responsibilities

  • Develop Spring Boot microservices to expose and consume billing and CRM APIs
  • Implement data transformation pipelines between legacy systems and new services
  • Write unit and integration tests to ensure reliability
  • Collaborate with product owners to define integration contracts
  • Document APIs and deployment procedures for the team

Must-have skills

  • Strong Java programming experience
  • Proficiency with Spring Boot and RESTful services
  • Hands‑on experience building microservices architectures

Nice to have

  • Familiarity with billing platforms or CRM systems
  • Experience with Docker or Kubernetes
  • Knowledge of OAuth2 / JWT security flows
  • Proposal: 0
  • Less than a month
AuthorImg
Gregory Brockett Inactive
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Member since
Oct 28, 2025
Total Job
180