In4Matic Brussels, Brussels Region, Belgium
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In4Matic Brussels, Brussels Region, Belgium
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If you're a natural mentor with a deep technical skill set and a passion for backend development, this is an exciting opportunity to shape complex systems from design through deployment.
Your Role & Responsibilities
As a Senior Java Developer, you'll be a key contributor to the design, development, and optimization of advanced backend systems. Working closely with analysts, testers, and DevOps specialists, you will:
* Translate functional and business requirements into solid backend implementations
* Perform technical analysis and present your solutions before development begins
* Write clean, efficient, and secure code using modern Java frameworks and tools
* Actively support testing and quality assurance initiatives to ensure production-ready software
* Provide detailed technical documentation as a standard part of your workflow
* Maintain and improve existing systems, addressing incidents and applying fixes in line with infrastructure and application standards
* Contribute to the modernization of development environments and workflows
* Stay current with tech trends and share knowledge within the team
Your Skills & Experience
You're an experienced backend engineer who thrives in technically demanding environments. You bring:
* 10+ years of experience in backend development using Java and its ecosystem
* Deep knowledge of Java software development and modern software design principles
* Experience designing and implementing secure, scalable networks and services
* Advanced understanding of application and data security
* Strong expertise in identity and access management (IAM) standards such as OpenID Connect, OAuth 2.0, and SAML
* Familiarity with front-end technologies: HTML, CSS, TypeScript, AJAX
* Proficiency in web services: REST, JSON, and microservice architectures
* Solid command of tools like Git, GitLab CI/CD, Maven, Gradle, IntelliJ, Docker, and Jira
* Data management skills with SQL, NoSQL, Graph, Elastic (ELK), and related tools
* Infrastructure experience with environments like VMware, Red Hat Enterprise Linux, and OpenShift
* Knowledge of Angular for front-end development is a strong plus
The Ideal Candidate
You’re more than a developer — you’re a mentor, innovator, and technical authority. You:
* Inspire those around you and foster a culture of knowledge sharing
* Guide junior developers and elevate your team’s technical maturity
* Lead by example when it comes to clean code, security, and best practices
* Enjoy balancing hands-on coding with strategic technical decisions
* Are proactive in optimizing development environments and methodologies
Seniority level
* Seniority level
Mid-Senior level
Employment type
* Employment type
Full-time
Job function
* Job function
Engineering and Information Technology
* Industries
IT Services and IT Consulting
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