Senior Backend Engineer: Java Microservices & APIs

Capgemini; Singapore; On-site; SGD 90,000 - 135,000; Full time

Job summary

Capgemini Singapore is seeking an experienced backend engineer to design, develop and maintain Java services in end-to-end processing pipelines.

You will implement microservices with Spring, work with Kafka for event-driven architectures, and ensure security, reliability and performance through best practices and code reviews.

Join a fast-paced, collaborative team across product, QA and infrastructure to deliver enterprise-grade solutions.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or related field.
• 3–7 years hands-on backend development experience in Java.
• Proficiency in Java (JDK 17+), Spring Boot, and Spring Cloud.
• Strong knowledge of microservices architecture and RESTful API design.
• Experience with Kafka or similar messaging platforms.
• Knowledge of multithreading, concurrency, and performance tuning.
• Experience with relational and NoSQL databases (PostgreSQL, Oracle, MongoDB).
• Familiarity with Docker, Kubernetes, and CI/CD.
• Understanding of security standards (OAuth2, JWT) and cloud platforms (AWS, Azure, GCP).
• Excellent communication and collaboration skills.

Responsibilities

• Develop Java services integrated in end-to-end processing.
• Design and code robust, secure APIs to persist/retrieve data and implement business logic.
• Provide L3 production support and participate in code reviews.
• Provide technical leadership and influence architectural decisions.
• Communicate effectively with product, QA, and infrastructure teams.
• Ensure compliance with regulatory, security, and audit requirements for financial systems.
• Design microservices using Spring ecosystem and event-driven architecture with Kafka.

Skills

Java

Spring Boot

Spring Cloud

REST API design

Kafka

Multithreading

Performance tuning

OAuth2 / JWT

CI/CD / DevOps

Cloud knowledge

Education

Bachelor's degree in Computer Science or related field

Tools

Docker

Kubernetes

PostgreSQL

Oracle

MongoDB

Job description

Capgemini Singapore is seeking an experienced backend engineer to design, develop and maintain Java services in end-to-end processing pipelines.

You will implement microservices with Spring, work with Kafka for event-driven architectures, and ensure security, reliability and performance through best practices and code reviews.

Join a fast-paced, collaborative team across product, QA and infrastructure to deliver enterprise-grade solutions.