Senior Java Software Developer

MIGSO-PCUBED; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

MIGSO-PCUBED in Singapore is seeking an Integration Engineer to design, develop and maintain enterprise-grade integration solutions using Apache Camel and Spring Boot. You will connect core banking, payments and digital channels while ensuring high availability, scalability and regulatory compliance.

Responsibilities include design and architecture, implementation of Camel routes and Spring Boot services, CI/CD automation, security governance, and providing 2nd/3rd line support.

Qualifications

• 10+ years of experience in technology, including development and production support.
• Experience designing enterprise integration solutions using Camel and Spring Boot.

Responsibilities

• Translate business integration requirements into technical designs using Camel components and Spring Boot patterns.
• Build, test, and deploy Camel routes and Spring Boot services with CI/CD pipelines.
• Implement routing, transformation, and error handling across REST, SOAP, JMS, Kafka, and other protocols.

Skills

Analytical problem solving

Effective communication

Mentoring juniors

Proactive mindset

Continuous learning

Tools

Apache Camel

Spring Boot

Kafka

ActiveMQ

RabbitMQ

IBM MQ

REST APIs

JSON/XML/XSLT

Docker

Kubernetes

OpenShift

JUnit 5

Testcontainers

MockMVC

Job description

We are looking for an experienced Integration Engineer to design, develop, and maintain enterprise grade integration solutions using Apache Camel and Spring Boot. The role sits at the center of our middleware landscape, connecting core banking, payments, and digital channels while ensuring high availability, scalability, and compliance with regulatory standards.

Responsibilities

Direct Responsibilities

• Design & Architecture – Translate business integration requirements into technical designs, selecting appropriate Camel components and Spring Boot micro service patterns.
• Implementation – Build, test, and deploy Camel routes (DSL, Java, XML) and Spring Boot services, leveraging Spring Cloud (Config, Kubernetes operators) where needed.
• Message Mediation – Implement routing, transformation, enrichment, validation, and error handling (DLQs, retries, compensating transactions) across protocols (REST, SOAP, JMS, Kafka, AMQP, SFTP, DB).
• Performance & Reliability – Optimise route performance, implement circuit breaker, throttling, and back pressure; set up health checks, metrics (Micrometer/Prometheus) and logging (SLF4J, Logback).
• CI/CD & Automation – Create pipeline definitions (GitLab, DevOps, Jenkins) for automated build, unit/integration testing (JUnit, Test containers), container image creation and Kubernetes deployment.
• Security & Governance – Apply security best practices (TLS, OAuth2/JWT, Spring Security, secret management), enforce data masking, and support audit trail requirements.
• Support & Operations – Provide 2nd/3rd line support, troubleshoot production incidents, perform root cause analysis, and create run books.
• Collaboration – Work closely with Business Analysts, Product Owners, Data Engineers, and Infrastructure teams to ensure end to end solution integrity.
• Knowledge Sharing – Mentor junior developers, conduct code reviews, and contribute to internal best practice libraries and documentation.

Required Skills & Experience

Technical

• Strong hands on experience with Apache Camel (routing DSL, component development, Spring Boot integration).
• Proficiency in Spring Boot (including Spring Cloud, Spring Data, Spring Security).
• Experience with messaging systems: Kafka, ActiveMQ, RabbitMQ, IBM MQ, REST/SOAP APIs, JSON, XML, XSLT, and data format conversion.
• Containerization (Docker) and orchestration (Kubernetes, OpenShift).
• Unit & integration testing (JUnit 5, Testcontainers, MockMVC).

Methodologies

• Domain Driven Design (DDD) and micro service architecture.
• Understanding of DevOps and Site Reliability Engineering (SRE) principles.

Soft Skills

• Analytical problem solving and troubleshooting aptitude.
• Effective communication with both technical and non technical stakeholders.
• Proactive attitude, willingness to mentor, and continuous learning mindset.

Experience and Qualifications required

• 10+ years of experience in the Technology field including hands on in both development and production support roles.
• Track record in providing application and technical assistance on multiple systems and platforms.
• Experience in providing communications across business and technology stakeholders at varying levels.
• Experience in supporting multiple applications, establishing best practices processes and procedures.
• Experience in planning, designing and executing effective support and process models
• Understanding of Software process Models like Agile, Waterfall etc.
• Experience in Incident, Problem Management: Incident tracking & reporting; Problem tracking & reporting until resolution to ensure reduction of production Incidents.
• Experience in or participation in Capacity Planning, Re-Engineering, Performance Fine Tuning.
• Desire experience in Infrastructure Migrations: Hands on experience in planning and executing DB Migrations, Server Migrations, Version Upgrades from the production support perspective.