Backend Developer (Java) - Contract

Role Overview We are seeking a highly analytical and proactive Java Backend Developer to take ownership of our client’s core server-side applications. This role is a blend of high-stakes problem-solving and strategic feature development. You will be the primary point of contact for diagnosing complex production issues while simultaneously driving the implementation of high-priority change requests to evolve our platform. Key Responsibilities 1. Advanced Troubleshooting • Lead the investigation and resolution of complex technical issues and performance bottlenecks reported by stakeholders or monitoring systems. Feature Evolution • Design, develop, and deploy new change requests (CRs), ensuring that new features integrate seamlessly with existing architecture. • Guarantee that new implementations do not introduce regressions into existing workflows. 2. System Maintenance • Perform root cause analysis (RCA) for recurring incidents and implement long-term structural fixes rather than temporary “band-aid” patches. Code Quality & Mentorship • Conduct thorough code reviews and provide technical guidance to junior developers. • Champion best practices in Java development across the engineering team. 3. Legacy Modernization • Identify opportunities to refactor and modernize older codebases to improve maintainability, scalability, and security. 4. Collaboration • Work closely with QA, Product Managers, and Frontend teams to validate requirements and ensure end-to-end functionality. Required Qualifications • Minimum 2–3 years of professional experience in Java backend development. • Strong proficiency in Java (Spring Boot, Spring MVC, Hibernate / JPA). • Solid experience with relational databases and SQL (MySQL, PostgreSQL, or Oracle). • Practical experience with ReactJS and/or NodeJS for frontend/full-stack integration. • Experience with RESTful API design, implementation, and integration. • Ability to conduct root cause analysis and deliver durable solutions for complex p…