Senior Java Developer

ALTEN Group is a world leader in Engineering and Technology consulting services providing outsourced Engineering, R&D, and IT Services for different industries such as Transportation, Defence, Energy and Security with 55,000engineers in nearly 35 countries.

As a Senior Java Developer, you will participate in the design, development, and maintenance of enterprise‑grade integration solutions using Apache Camel and Spring Boot. This 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

. 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, 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.

Requirements

. Bachelor's degree in computer science/engineering discipline. Those with software development or validation experiences are also welcome.

. 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

. 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).

. 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