Senior Java Architect: Secure, Scalable Microservices

Médiane Système limited; Tubeke; On-site; EUR 70,000 - 100,000; Full time

Benefits offered by this job

Mobility package

DKV health insurance

Group insurance

Meal vouchers

Eco-vouchers

Job summary

Médiane Benelux in Belgium is seeking a Java Software Architect to strengthen its software teams in defense and mission-critical systems. You will design secure, high-performance backend services and contribute to architectural decisions within an Agile, international context.

You will work on Spring Boot microservices, REST APIs, Angular frontends, and security best practices, collaborating with cross-functional teams to deliver scalable solutions across domains.

Qualifications

• Proven experience as a Java Software Architect or senior Java backend engineer.
• Strong expertise in Java and Spring Boot.
• Experience with Angular.
• Solid understanding of REST APIs and microservices.
• Strong awareness of software security concepts.
• Experience working in Agile / Scrum environments.
• Good professional level of English.
• Eligible for a security clearance.

Responsibilities

• Design and develop Java backend services using Spring Boot
• Define and evolve microservices architectures
• Implement and consume RESTful APIs
• Develop frontend interfaces using Angular
• Apply security best practices (authentication, authorization, secure coding)
• Ensure code quality through unit and integration testing
• Optimize application performance and scalability
• Collaborate within Agile / Scrum international teams
• Participate in Agile ceremonies and propose continuous improvements

Skills

Java

Spring Boot

Angular

REST APIs

Microservices

Security concepts

Agile / Scrum

English

Tools

Kafka

Kubernetes

Keycloak

Prometheus

Grafana

Job description

Médiane Benelux in Belgium is seeking a Java Software Architect to strengthen its software teams in defense and mission-critical systems. You will design secure, high-performance backend services and contribute to architectural decisions within an Agile, international context.

You will work on Spring Boot microservices, REST APIs, Angular frontends, and security best practices, collaborating with cross-functional teams to deliver scalable solutions across domains.