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

Médiane Benelux: Career Booster!

Since 2017, and with over 35 years of experience in France and Italy, Médiane Benelux is an engineering company specializing in software, electronics, and cybersecurity across key sectors such as Railways, Automotive, Energy, Medical, Aerospace, Space, Telecoms, Industry, and Defense.

🌐 What We Offer

• IT consulting and strategy
• Digital transformation and IoT solutions
• Project management and process optimization

🔧 As specialists in electronics, development, and embedded systems design, we operate from sensor to cloud.

Why choose Médiane Benelux?

• Human-sized company: Promotes teamwork and collaboration in a dynamic and stimulating environment
• Sharp technical expertise and tailored solutions for each sector
• Talent support: Personalized follow-up, continuous training, and skill development for our employees
• Custom solutions tailored to the specific needs of each client
• Culture of innovation: Participation in innovative and varied projects
• Ecovadis Gold certification: Commitment to equality, well-being, and responsibility
• Human values: Commitment, Respect, Trust, Listening
• "Happy at Work" and "Happy Clients" labels by Choose my Company: A fulfilling work environment and optimal client satisfaction

Job 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)

Profile / Requirements 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)

Benefits Attractive salary package, additional statutory leave days, mobility package (car or public transport subscription), DKV health insurance, group insurance, meal vouchers, eco-vouchers, etc