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Senior Java Software Engineer

Islandwide, Singapore
Full TimeInformation Technology

Job Description

Key Responsibilities

  • Design, develop, and maintain scalable backend applications using Java (11/17+), Spring Boot, and Microservices architecture.
  • Develop secure, high-performance REST APIs and integrations with internal and external systems.
  • Design and implement event-driven solutions using Kafka, RabbitMQ, or similar messaging platforms.
  • Build and optimize data solutions using SQL and NoSQL databases (PostgreSQL, Oracle, MongoDB, Redis, etc.).
  • Collaborate with architects and cross-functional teams to deliver resilient, cloud-native applications.
  • Implement automated testing, code quality, and CI/CD practices using tools such as JUnit, Mockito, Jenkins, GitHub Actions, or GitLab CI.
  • Deploy and manage applications on Kubernetes, OpenShift, Docker, and public cloud platforms (AWS/Azure/GCP).
  • Own production releases, deployment planning, validation, rollback strategies, and change management activities.
  • Participate in on-call rotations and provide 24x7 support for critical production systems.
  • Lead troubleshooting and resolution of production incidents, including Sev1/Sev2 incidents, ensuring SLA compliance.
  • Perform root cause analysis (RCA), post-incident reviews, and drive preventive measures to improve system reliability.
  • Monitor application health and performance using observability tools such as Splunk, Grafana, Prometheus, Dynatrace, ELK, or AppDynamics.
  • Optimize application scalability, performance, availability, and security across distributed environments.
  • Conduct code reviews, mentor junior developers, and promote engineering best practices.
  • Contribute to technical documentation, operational runbooks, architecture reviews, and continuous improvement initiatives.

Required Skills

  • 8+ years of Java backend development experience.
  • Strong expertise in Java, Spring Boot, Spring Data JPA, Hibernate, and Microservices.
  • Experience with Kafka/RabbitMQ, REST APIs, Docker, Kubernetes/OpenShift.
  • Strong knowledge of SQL/NoSQL databases and distributed systems.
  • Hands-on experience with cloud platforms (AWS, Azure, or GCP).
  • Experience managing production deployments, incident handling, and on-call support.
  • Familiarity with monitoring, logging, and observability tools.
  • Strong understanding of CI/CD, DevOps practices, and Agile delivery methodologies.

About Billigence Consultancy Pte. Ltd.

First seen: August 20, 2026
Last updated: September 2, 2026