Senior Java Middleware Engineer (Camel/Spring Boot)

anotech energy singapore pte. ltd.; Singapore; On-site; SGD 120,000 - 190,000; Full time

Job summary

ALTEN Group Singapore seeks a Senior Java Developer to design, develop, and maintain enterprise-grade integration solutions using Apache Camel and Spring Boot, connecting core banking, payments, and digital channels.

You will translate business requirements into technical designs, build and test routes, and ensure high availability, scalability, and regulatory compliance in a middleware landscape.

Qualifications

• Bachelor's degree in computer science or engineering.
• 10+ years of experience in the technology field including hands-on development and production support.
• Track record in providing application and technical assistance on multiple systems and platforms.
• Strong hands-on experience with Apache Camel (routing DSL, component development, Spring Boot integration).
• Proficiency in Spring Boot (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).
• CI/CD pipelines (Git, Maven/Gradle, Jenkins, GitLabCI, Azure DevOps).
• Unit & integration testing (JUnit 5, Testcontainers, MockMVC).
• Agile/Scrum delivery.
• Domain-Driven Design (DDD) and micro-service architecture.
• Understanding of DevOps and Site Reliability Engineering (SRE) principles.
• Analytical problem-solving and troubleshooting aptitude.
• Effective communication with both technical and non-technical stakeholders.
• Proactive attitude, willingness to mentor, and continuous learning mindset

Responsibilities

• Design & Architecture– Translate business integration requirements into technical designs,selecting appropriate Camel components and SpringBoot micro‑service patterns.
• Implementation – Build, test, and deploy Camel routes (DSL, Java, XML) and SpringBoot services, leveraging Spring Cloud (Config, Kubernetes operators) where needed.
• Message Mediation– Implement routing, transformation, enrichment, validation, and error‑handling 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, performroot‑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.

Skills

Apache Camel

Spring Boot

Spring Cloud

Spring Data

Spring Security

Kafka

ActiveMQ

RabbitMQ

IBM MQ

REST APIs

SOAP APIs

JSON

XML

XSLT

Docker

Kubernetes

OpenShift

CI/CD

Git

Maven/Gradle

Jenkins

GitLab CI

Azure DevOps

JUnit 5

Testcontainers

MockMVC

Agile/Scrum

DDD

Microservices

DevOps

SRE

Communication

Mentoring

Education

Bachelor's degree in computer science/engineering

Tools

Docker

Kubernetes

OpenShift

Git

Maven/Gradle

Jenkins

GitLab CI

Azure DevOps

Testcontainers

Job description

ALTEN Group Singapore seeks a Senior Java Developer to design, develop, and maintain enterprise-grade integration solutions using Apache Camel and Spring Boot, connecting core banking, payments, and digital channels.

You will translate business requirements into technical designs, build and test routes, and ensure high availability, scalability, and regulatory compliance in a middleware landscape.