NSEARCH GLOBAL PTE. LTD. is hiring for a Java Software Engineer internship — a 12-month, on-site Software Engineering role based in Singapore. It is an unpaid internship. It is open to university students, typically in Year 2–4. Applicants with experience in Transaction Processing, Service Design, Business Rules, Automated Software Testing, and Maintenance of data integrity are a strong fit.
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About this role
Our client, one of Asia-Pacific’s leading organizations is looking for: Java Software Engineer Responsibilities: • Designing and implementing backend services, APIs, and application logic for complex business workflows • Analysing legacy systems, schemas, and behaviours to uncover business rules, data relationships, and hidden operational constraints • Translating legacy data structures and process flows into cleaner domain models and maintainable modern service designs • Designing and evolving data models that preserve integrity while supporting future extensibility • Building validations, state transitions, orchestration flows, and exception handling for transaction-heavy processes • Working closely with QA engineers and fellow developers to ensure the system is testable, observable, and production-ready • Writing high-quality, maintainable code with strong automated test coverage • Participating in technical design discussions, code reviews, defect analysis, and release readiness activities • Supporting migration planning, data reconciliation, and coexistence between legacy and modern components where required • Documenting key technical decisions, business-rule assumptions, and implementation trade-offs clearly • Contributing to engineering standards, development practices, and delivery discipline across the team • Providing technical guidance to peers and helping to uplift engineering quality through collaboration, mentoring, and knowledge sharing Requirements: • Bachelor’s degree in Business, Information Technology, Computer Science, or a related discipline. • Strong hands-on experience in Java • Strong experience building backend services using frameworks such as Spring Boot • Strong experience with TDD and test automation tool, such as Junit, JMeter, etc. • Experience with modern frontend development using NodeJS and TypeScript / JavaScript is a plus. • Strong experience with REST APIs, backend workflow implementation, and enterprise integration patterns • Strong experience with relational databases such as PostgreSQL, Oracle, or equivalent. • Experience in modernization on legacy systems or large business-critical systems is a plus. • Experience in AWS ecosystem (EC2, RDS, EKS) is a plus. • Strong software engineering fundamentals in backend and service development • Strong understanding of data modelling, transactional integrity, and stateful workflow design • Experience writing unit, integration, and service-level automated tests • Experience with CI/CD, source control workflows, and release-safe engineering practices • Ability to troubleshoot across application, data, and integration layers • Familiarity with observability, production support, and operational debugging • Good judgment in balancing code quality, delivery pace, and legacy system realities --------------------------------------------------------------------------------------------------------------------------------- Interested applicants can also email CV at jagveer@nsearchglobal.com (for faster processing, please state the exact job / position title applied “Java Software Engineer" Only shortlisted candidates will be notified. --------------------------------------------------------------------------------------------------------------------------------- EA License Number: 10C3636 EA Personnel Name: Jagveer Singh Arora EA Personnel Registration Number: R22109615 By submitting your resume and cover letter to apply for our job opening, you confirm that you have read the Data Protection Notice for Job Applicants (https://www.nsearchglobal.com/dp-notice/job-applicants) and you consent to the collection, use, and disclosure of your personal data for the purpose of verifying and evaluating your job application. Additionally, you have to notify and obtain consent from all individuals listed as your references to their data being collected and disclosed for the purposes related to your job application.
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