Senior Java Dev

Avensys Consulting Pte Ltd; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Avensys Consulting Pte Ltd in Singapore is seeking a highly analytical Senior Java Backend Developer to own core server-side applications, diagnose production issues, and drive strategic feature development.

You will lead troubleshooting, design and implement changes, mentor juniors, modernize legacy code, and collaborate with QA, Product Managers, and Frontend teams to ensure end-to-end functionality, performance, and security.

Qualifications

• Minimum 2-3 years of backend development experience.

Responsibilities

• Advanced Troubleshooting: Lead investigation and resolution of complex technical issues and performance bottlenecks.
• Feature Evolution: Design, develop, and deploy change requests, ensuring new features integrate with existing architecture without regressions.
• System Maintenance: Perform root cause analysis for recurring incidents and implement long-term fixes.
• Code Quality & Mentorship: Conduct code reviews and guide junior developers, promoting best practices in Java development.
• Legacy Modernization: Identify opportunities to refactor and modernize older codebases for maintainability, scalability, and security.
• Collaboration: Work closely with QA, Product Managers, and Frontend teams to validate requirements and ensure end-to-end functionality.

Skills

Java

SQL

ReactJS

NodeJS

Job description

Seeking a highly analytical and proactive Senior Java Backend Developer to take ownership of our 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.

• 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 without introducing regressions.
• System Maintenance: Perform root cause analysis (RCA) for recurring incidents and implement long-term structural fixes rather than band-aid patches.
• Code Quality & Mentorship: Conduct thorough code reviews and provide technical guidance to junior developers, championing best practices in Java development.
• Legacy Modernization: Identify opportunities to refactor and modernize older codebases to improve maintainability, scalability, and security.
• Collaboration: Work closely with QA, Product Managers, and Frontend teams to validate requirements and ensure end-to-end functionality.

Minimum 2-3 YOE

Top 3 Skills Needed

• Java
• SQL (Database)
• ReactJS / NodeJS