Senior Java Developer - Banking Products

lyneer corp (singapore) pte. ltd.; Singapore; On-site; SGD 110,000 - 170,000; Full time

Job summary

lyneer corp (singapore) pte. ltd. is seeking an experienced Java/Spring developer to design and build enterprise-grade banking applications. You will implement microservices, REST APIs, and batch processing while ensuring security and performance aligned with banking standards.

The role involves integrating systems via Kafka, IBM MQ, and Apache Camel, participating in architecture discussions, and guiding QA and deployment activities in an agile environment.

Qualifications

• Design and develop enterprise-grade banking applications using Java and Spring.
• Build scalable microservices and REST APIs for 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/internal systems using Apache Camel, IBM MQ, and Kafka.
• Develop secure, performant, maintainable code following banking 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.

Responsibilities

• Design and develop enterprise-grade banking applications using Java and Spring technologies.
• Build scalable microservices and REST APIs.
• Develop batch processing solutions using Spring Batch for financial transaction workloads.
• Implement resilient services using Resilience4j patterns.
• Integrate banking applications with external/internal systems using Apache Camel, IBM MQ, and Kafka.
• Develop secure, performant code following banking standards.
• Participate in solution design and architectural discussions.
• Create automated unit/integration tests with JUnit.
• Perform code quality validation with SonarQube.
• 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.

Skills

Java 8/11/17+

Spring Framework

Spring Boot

Spring Batch

REST APIs

Microservices

JUnit

SonarQube

JMeter

Resilience4j

Circuit Breaker

Retry Frameworks

Fault Tolerance

Apache Kafka

IBM MQ

Apache Camel

Message-Based Architecture

Git

CI/CD

Shell Scripting

Control-M

Analytical Thinking

Mentoring

Tools

Git

CI/CD Pipelines

Shell Scripting

Control-M

Job description

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.