Java Developer: AI-Driven Cloud & DevOps

RAPSYS TECHNOLOGIES PTE. LTD.; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

RAPSYS TECHNOLOGIES PTE. LTD. is seeking an experienced Java/DevOps-focused developer to guide architecture, design, and implementation across enterprise applications. You will contribute to both on-premises and cloud deployments, while leveraging AI-assisted tooling to improve code quality and testing.

The role requires proficiency in Java, Spring, REST API, UNIX scripting, IBM WAS/JBoss, and a strong grasp of CI/CD pipelines. Cloud certifications and HA/Performance experience are advantageous.

Qualifications

• Strong hands-on experience with Java, Spring and REST API development.
• Proficient in UNIX scripting and IBM WebSphere/JBoss environments.
• Familiar with DevOps CI/CD pipelines (Jenkins, Git, CloudBees).
• Certifications in Java SE and Spring are preferred.

Responsibilities

• Serve as domain knowledge custodian for existing applications and guide architecture decisions.
• Design and develop software using waterfall/Agile methodologies.
• Investigate and troubleshoot by writing scripts and SQL queries.
• Collaborate with BAs and QEs for requirements and test automation.
• Provide effort estimates for stories and tasks.
• Support CI/CD setup and release automation with DevOps teams.
• Create functional specs and system design documents.
• Convert acceptance criteria into automated tests and test docs.
• Assist production support and BAU activities.
• Deploy applications to cloud or on-premises and ensure HA/Performance.

Skills

Java

Spring

REST API

UNIX scripting

IBM WebSphere

JBoss

CI/CD Jenkins/Git/CloudBees

Education

Java SE Certification

Spring Certification

Tools

Oracle

MS SQL Server

PostgreSQL

AWS

Azure

Google Cloud

Job description

RAPSYS TECHNOLOGIES PTE. LTD. is seeking an experienced Java/DevOps-focused developer to guide architecture, design, and implementation across enterprise applications. You will contribute to both on-premises and cloud deployments, while leveraging AI-assisted tooling to improve code quality and testing.

The role requires proficiency in Java, Spring, REST API, UNIX scripting, IBM WAS/JBoss, and a strong grasp of CI/CD pipelines. Cloud certifications and HA/Performance experience are advantageous.