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# Technical Lead (Java) - Real-Time Railway Traffic Systems

- **Company:** Médiane Benelux
- **Location:** Brussel, Belgium
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Confluence, JIRA, Code Reuse, Disaster Recovery, Eclipse (Software), Hazelcast, OpenShift, Scrum Methodology, Java Application Server, System Availability, Gitlab, Kubernetes, Information Technology, TIBCO (Software), Docker, Jenkins
- **Published:** May 16, 2026
- **Apply:** https://be.indeed.com/viewjob?jk=599f208ac742e142

## About the Role

Do you have experience in System design?, Do you have a Master's degree?, Master's degree in Computer Science or equivalent
5-10 years of experience as a Senior Java Full-Stack Engineer or Technical Lead
Confirmed experience in Agile/Scrum (Scrum Master certification is a plus)

Technical Skills
Strong expertise in Java 17; exposure to Java 21+
Minimum five years as a Java full-stack engineer
Good knowledge of: Tibco RDV, Eclipse RCP, Hazelcast
Hands-on experience with Docker, Kubernetes, OpenShift
CI/CD pipelines with Jenkins and GitLab
Experience using Jira Agile, Xray, Confluence
Understanding of High Availability and Disaster Recovery architectures

Soft Skills & Mindset
Ability to understand the critical nature of real-time railway systems
Strong team integration and alignment with values such as kindness, courage, positivity, and reliability
Excellent communication and presentation skills
Structured, clear, and concise interactions with stakeholders
High sense of ownership and long-term commitment

Languages
Excellent command (C2) of French or Dutch
Basic knowledge (A2) of the second national language
Fluent English (C1)

## Description

Our client, a major player in the railway infrastructure and real-time traffic management sector, is looking for a Senior Technical Lead (Java) to join a long-term strategic program modernizing real-time control room systems and critical operational software.

Context
You will join an IT department responsible for a portfolio of around twenty business-critical Java applications used to monitor and control real-time railway traffic.
The program focuses on:
Improving operational efficiency in control rooms
Consolidating a central real-time IT platform
Enabling exception-based traffic supervision
Strengthening cybersecurity in line with European NIS directives

You will work as a hands-on Technical Lead within an agile/scrum development team.

Main Responsibilities
Act as Technical Lead within a full-stack Java squad
Design, develop, and maintain complex real-time applications, including new features and refactoring
Ensure performance, reliability, and high availability of production systems
Support and coach developers through strong technical expertise
Promote clean, readable, and reusable code
Produce and maintain technical and functional documentation
Apply internal guidelines, standards, and procedures
After onboarding, participate in a 24/7 on-call rotation (approx. one week every eight weeks)


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