OP

Java developer

Optimum Solutions (Singapore) Pte Ltd.
Singapore ₹6K-9K LPA Posted 25 Sept 2026
FULL TIME
Java

Job Description

Key Responsibilities:

  • Engage in requirement gathering and create necessary technical and operational documentation.
  • Collaborate with the Solution Architect/Technical Lead to analyze and design code modifications based on finalized requirement specifications.
  • Implement code alterations and conduct system testing in line with requirement specifications.
  • Ensure that all work adheres to coding standards, security protocols, and corporate processes.
  • Conduct quality assurance (QA) tasks, including unit testing, system testing, and code review.
  • Support the Test Team during system integration testing and assist in troubleshooting reported issues.
  • Provide assistance to both internal and external stakeholders throughout the testing process.
  • Support customers during acceptance testing and post-implementation cutover.
  • Contribute to the creation of training materials and lead presentations.

 

Qualifications:

  • Diploma or bachelor's degree in computer science, engineering, or a related field.
  • A minimum of 8 years of hands-on experience in backend development, delivering production-quality systems (including microservices, APIs, event processing, web portals, and production support).
  • Extensive experience with AWS-native systems and operations, including any of the following:
  • - API Gateway / ALB, ECS/Fargate, RDS, S3, CloudWatch/CloudTrail, WAF
  • - Familiarity with CI/CD pipelines and tools like Jenkins / Bitbucket / Octopus / Terraform (or similar).
  • Strong technical expertise with at least 5 years of practical experience in Java, J2EE, SQL/PLSQL, and XML.
  • Proficient in RESTful APIs, Spring 5.x, Spring Boot, Spring Framework, Spring Security, cloud-based technologies, and microservices, including messaging middleware such as Kafka, IBM MQ, or Solace.
  • Experienced with applications operating on container platforms (Docker, OpenShift, Kubernetes).
  • Excellent verbal and written communication skills.
  • Demonstrated analytical, problem-solving, and decision-making abilities.
  • A collaborative team player with a positive attitude.

Required Skills

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