Senior Software Engineer (p3/p4)

Billigence; Singapore; On-site; SGD 90,000 - 120,000; Full time

Job summary

Billigence seeks a Senior Software Engineer with strong Java backend development experience to join our Singapore team. You will design, develop, and maintain scalable backend applications using Java 11/17+, Spring Boot, and microservices, and own production deployments in a cloud-native environment.

You will work with Kafka/RabbitMQ, REST APIs, Docker, Kubernetes/OpenShift, and modern data stores, contributing to robust, high-performance systems and on-call support.

Qualifications

• 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.

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.

Skills

Java backend development

Microservices architecture

REST APIs & messaging (Kafka/RabbitMQ)

SQL/NoSQL databases

Cloud platforms (AWS/Azure/GCP)

Production deployments & on-call

Tools

Docker

Kubernetes/OpenShift

Job description

Billigence Asia is a specialist in the delivery of market leading Business Intelligence solutions. Headquartered in Sydney, Australia and with offices in Singapore, Prague, London, Frankfurt, Warsaw, Bangalore and New Zealand our passion is data and our focus is the delivery of end-to-end solutions via a talented team of skilled professionals.

We are partners with leading edge software platforms including Tableau, Alteryx, Collibra, Snowflake, GCP and Matillion.

About the role:

We are seeking a Senior Software Engineer with strong Java backend development experience.

• Initial 6 month contract with strong potential to extend.
• Must be currently located in Singapore.

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.