Senior Java Backend Developer

Quick Facts

• Role: Senior Java Backend Developer (Senior Software Engineer)
• Focus: Modernize an existing Microsoft Power Platform application with a Java Spring Boot backend for a React frontend

Description

You will design and develop secure, maintainable backend services using Java and Spring Boot, exposing REST APIs that the React frontend can consume. You will translate existing Power Platform workflows, business rules, data dependencies, and integrations into backend services, and collaborate with the internal team to define API contracts and support integration.

Responsibilities

• Design and develop secure, maintainable backend services following existing architecture patterns, using modular or service-based design
• Translate Power Platform workflows, business rules, data dependencies, and integrations into backend services
• Partner with product owners to convert business requirements into technical designs and implementations
• Collaborate with the internal React team to define API contracts and support frontend integration
• Implement backend security including authentication, authorization, input validation, and robust error handling
• Write clean, documented, well-tested, and efficient code using best practices
• Mentor developers, participate in code reviews, and provide technical documentation and knowledge transfer

Requirements

• Bachelor’s degree in Computer Science, Software Engineering, or a related field
• 7+ years of software engineering experience, including hands-on Java/Spring Boot backend development and modernization
• Strong experience with REST API design, SQL, relational databases, and system integrations
• Hands-on experience or familiarity with Microsoft Azure deployments
• Experience using GitLab for source control and CI/CD pipelines
• Experience implementing backend security and automated testing (unit + integration)
• JUnit and Mockito for unit/integration tests
• Playwright for end-to-end test automation
• Ability to analyze existing application behavior and convert it into maintainable backend solutions
• Excellent communication and collaboration skills

Benefits

• Hands-on backend modernization work to transition a Power Platform application and enable a React frontend
• Collaborative engagement with an internal React team, including API contract definition and integration support
• Technical leadership through mentoring, code reviews, and knowledge transfer for ongoing support