Backend Java Developer

Cognizant; Singapore; On-site; SGD 70,000 - 90,000; Full time

Job summary

A global technology company in Singapore is seeking a skilled Backend Java Developer to design and maintain secure systems for banking applications. You will work with Java, Spring Boot, and microservices, focusing on building RESTful APIs and optimizing performance. Candidates should have experience with Apache Kafka and tools like Docker and Kubernetes. This role offers the chance to contribute to significant digital transformation efforts in the banking sector.

Qualifications

• Hands-on experience with Java (versions 8, 11, or 17).
• Strong understanding of RESTful APIs and JSON/XML.
• Familiarity with cloud platforms like AWS or Azure.

Responsibilities

• Design and maintain backend services using Java and Spring Boot.
• Develop RESTful APIs for integration with banking systems.
• Implement event-driven architecture with Apache Kafka.

Skills

Java

Spring Boot

Apache Kafka

Microservices architecture

RESTful APIs

SQL

Tools

Git

Docker

Kubernetes

Jenkins

Maven

Job description

Role Summary

As a Backend Java Developer, you will design, develop, and maintain secure, high-performance backends systems and APIs that power mission-critical banking applications. The role emphasizes Java, Spring Boot, Kafka, and microservices architecture to support the bank’s digital transformation.

Job Responsibilities

• Design, build, and maintain backend services using Java, Spring Boot, and Microservices architecture.
• Develop RESTful APIs and integrate with internal and third-party banking systems.
• Implement event-driven architecture using Apache Kafka for real-time data streaming.
• Collaborate with architects to ensure scalability, reliability, and compliance with banking standards.
• Optimize backend performance for high availability and low latency.
• Apply security best practices to protect sensitive financial data.
• Conduct unit and integration testing using JUnit, Mockito, and other frameworks.
• Work with CI/CD pipelines (Jenkins, GitLab) for automated builds and deployments.
• Utilize containerization tools like Docker and orchestration with Kubernetes.

Job Requirements

• Java (8/11/17), Spring Boot, Spring MVC, Hibernate/JPA.
• RESTful APIs, JSON/XML.
• Hands-on experience with Apache Kafka (including Kafka Streams).
• Git, Maven/Gradle, Jenkins, Docker, Kubernetes.
• Familiarity with cloud platforms (AWS/Azure).
• Strong SQL skills (Oracle, MySQL, PostgreSQL).