Full Time Principal Backend Developer (Java) Jobs, in Atomic Recruitment SEA Federal Territory - Maukerja

Job Title: Principal Backend Developer (Java)

Job Description

• Lead the design, development, and maintenance of scalable, high-performance backend applications using Java version 17 or 21+ and above.
• Own the end-to-end SDLC, from requirements analysis and technical design through development, testing, deployment, and production support.
• Provide technical leadership and architectural guidance, ensuring solutions are scalable, secure, reliable, and maintainable.
• Design and develop RESTful APIs, backend services, middleware, enterprise applications, and system integrations.
• Apply OOP, design patterns, coding standards, and software engineering best practices to ensure high-quality solutions.
• Lead complex technical development, including database design, SQL optimisation, performance tuning, and system integration.
• Troubleshoot complex production and technical issues, driving root-cause analysis and resolution.
• Conduct code reviews, technical design discussions, and architecture reviews, while mentoring and guiding development team members.
• Drive performance optimisation, system modernisation, scalability, security, and continuous improvement initiatives.
• Collaborate with architects, clients, business stakeholders, product teams, and cross-functional technical teams to deliver effective solutions.
• Lead third-party API integrations, enterprise integrations, and middleware solutions.
• Provide technical support for production systems, including debugging, upgrades, enhancements, and incident resolution.
• Contribute to technical documentation, knowledge sharing, and adoption of emerging Java and software architecture technologies.

Key Requirements:

• Bachelor's Degree in Information Technology, Computer Science, Software Engineering, or a related discipline.
• Minimum 7–10 years of relevant software development experience, with strong expertise in Java Backend Development.
• Strong hands-on experience with Java Spring Frameworks, Spring Boot in enterprise application environments.
• Strong experience in designing and developing RESTful APIs, backend services, middleware, enterprise applications, and system integrations.
• Strong understanding and practical application of Object-Oriented Programming (OOP), SOLID principles, design patterns, clean code, and software engineering best practices.
• Proven experience in application architecture, technical design, system integration, and development of scalable backend solutions.
• Strong understanding of SDLC, software architecture, development methodologies, testing practices, deployment, and post-production support.
• Experience with third-party API integration, enterprise system integration, and middleware solutions.
• Demonstrated ability to conduct technical analysis, troubleshoot complex issues, perform root-cause analysis, and drive effective solutions independently.
• Experience leading or providing technical guidance to development teams, including code reviews, technical discussions, design reviews, and mentoring.
• Strong understanding of application performance, scalability, security, reliability, and maintainability.
• Experience working closely with clients, business stakeholders, product teams, architects, and cross-functional technical teams.

Preferred / Advantageous Experience

• Experience working on Insurance, Insurtech, Financial Services, or other regulated enterprise applications.
• Experience with microservices architecture and distributed backend systems.
• Experience with cloud platforms, CI/CD, DevOps practices, containerisation, or Kubernetes.
• Experience with event-driven architecture, messaging systems, or asynchronous processing.
• Experience leading application modernisation, migration, or legacy system transformation initiatives.
• Experience working in large-scale enterprise environments with complex integrations and high transaction volumes.