Java developer
Summary
On-site Singapore Java developer (5 years' experience) designing reactive microservices with Spring Boot/WebFlux, Apache Kafka, and NoSQL stores like MongoDB/Cassandra for payment processing and clearing systems, ensuring performance, scalability, and security.
Key Responsibilities:
Design, develop, and maintain reactive microservices using Spring Boot and Spring WebFlux. Implement and manage Apache Kafka for real-time, event-driven date processing. Work with NoSQL databases (eg, MongoDB, Cassandra) for high-volume, low-latency date storage. Develop and support components for payment processing and clearing systems. Collaborate with business and technical teams to understand transaction workflows and compliance requirements. Ensure system performance, scalability, and security in a high-availability environment.
Required Qualifications: Bachelor's or Master's degree in Computer Science, Engineering, or related field. 3+ years of experience in Java development. Strong expertise in Spring Boot, Spring WebFlux, and Java (JDK 8). Hands-on experience with Apache Kafka and NoSQL databases. Proficiency in RESTful API development, Git, and CUCD tools. Excellent analytical, problem-solving, and communication skills.