Java TAP

re-zoo-me; Singapore; Hybrid; SGD 120,000 - 180,000; Full time

Job summary

re-zoo-me is seeking a Senior Java Developer with deep banking domain experience to design, develop, test, and support mission-critical financial product solutions. You will work on real-time transaction processing, REST APIs, and scalable microservices within an enterprise-grade stack.

Responsibilities include building resilient Java/Spring applications, implementing batch processing with Spring Batch, and integrating with external systems via Camel, IBM MQ, and Kafka.

Qualifications

• 10+ years of Java development experience in banking/financial services.
• Strong microservices and REST API design experience.
• Proven ability to deliver high-volume, real-time processing systems.

Responsibilities

• Design and build enterprise-grade banking apps using Java and Spring.
• Develop scalable microservices and REST APIs for banking products.
• Implement batch processing with Spring Batch for transactions and reconciliation.

Skills

Java

Spring

Spring Boot

Spring Batch

REST APIs

Microservices

Tools

Apache Kafka

IBM MQ

Apache Camel

JUnit

SonarQube

JMeter

Job description

Senior Java Developer - Banking Products & Microservices

Experience

10+ Years

Domain

Banking, Financial Services, Payments

Job Summary

We are looking for a Senior Java Developer with strong expertise in banking applications, microservices development, and enterprise integrations. The candidate will be responsible for designing, developing, testing, and supporting mission-critical banking product solutions that process high-volume, real-time financial transactions while maintaining reliability, security, and compliance standards.

Key Responsibilities

• Design and develop enterprise-grade banking applications using Java and Spring technologies.
• Build scalable microservices and REST APIs supporting banking product functionalities.
• Develop batch processing solutions using Spring Batch for financial transaction and reconciliation workloads.
• Implement resilient services using Resilience4j patterns.
• Integrate banking applications with external and internal systems using Apache Camel, IBM MQ, and Kafka.
• Develop secure, performant, and maintainable code following banking industry standards.
• Participate in solution design and architectural discussions.
• Create automated unit and integration tests using JUnit.
• Perform code quality validation through SonarQube and address technical debt.
• Conduct performance and load testing using JMeter.
• Support production deployments and troubleshoot critical banking applications.
• Collaborate with Product Owners, Business Analysts, Architects, QA teams, and Client Implementation teams.
• Participate in Agile development practices and release management activities.

Required Technical Skills

Core Development

• Java 8/11/17+
• Spring Framework
• Spring Boot
• Spring Batch
• REST APIs
• Microservices Development

Integration & Messaging

• Apache Kafka
• IBM MQ
• Apache Camel
• Message-Based Architecture

Reliability Engineering

• Resilience4j
• Circuit Breaker
• Retry Frameworks
• Fault Tolerance Design

Testing & Quality

• JUnit
• SonarQube
• JMeter
• API Testing
• Integration Testing

Additional Skills

• Orchestration Concepts
• Git
• CI/CD Pipelines
• Basic Shell Scripting
• Basic Control-M

Banking Domain Experience

• Added advantage if Temenos TAP product knowledge

Key Competencies

• Strong analytical and problem-solving skills.
• Ability to work in fast-paced product development environments.
• Strong communication and stakeholder management skills.
• Experience mentoring junior and mid-level developers.
• Commitment to software quality, reliability, and performance.