Java App Developer & Support Engineer (Spring Boot)

Helius Technologies; Singapore; On-site; SGD 55,000 - 98,000; Full time

Job summary

Helius Technologies in Singapore seeks an experienced Java Application Developer & Support Engineer to support the development, maintenance and production support of enterprise applications.

The ideal candidate will work across the Java stack, including Java, Spring Boot, REST APIs, microservices, SQL and application servers, while handling production support, RCA, code fixes, monitoring and deployments. Junior to early-mid level engineers are welcome.

Qualifications

• Hands-on experience across the Java stack, including Java, Spring Boot, REST APIs and microservices.
• Strong SQL skills and familiarity with enterprise application servers.
• Experience with production support, RCA, monitoring and deployments.

Responsibilities

• Develop, enhance and maintain enterprise applications using Java and Spring Boot.
• Develop and support REST APIs and microservices.
• Support Java applications deployed on IBM WebSphere.
• Perform application maintenance, bug fixes and minor enhancements.
• Provide L2/L3 production application support.
• Troubleshoot incidents through logs, SQL queries and monitoring.
• Perform root cause analysis (RCA) and implement fixes.
• Monitor batch jobs and data-transfer workflows.
• Support AWS EC2-hosted environments and production services.
• Use SQL/PostgreSQL for data extraction and validation.
• Support production releases and deployments using Git and CI/CD workflows.
• Collaborate with QA, infra, devs and stakeholders.
• Perform vulnerability checks and security remediation.

Skills

Java

Spring Boot

REST APIs

Microservices

SQL

Production support

Monitoring

Tools

Git

CI/CD

AWS EC2

IBM WebSphere

Job description

Helius Technologies in Singapore seeks an experienced Java Application Developer & Support Engineer to support the development, maintenance and production support of enterprise applications.

The ideal candidate will work across the Java stack, including Java, Spring Boot, REST APIs, microservices, SQL and application servers, while handling production support, RCA, code fixes, monitoring and deployments. Junior to early-mid level engineers are welcome.