Rust Developer – Railway Software

Médiane Système limited; Brussel; On-site; EUR 50,000 - 75,000; Full time

Benefits offered by this job

Health insurance (DKV)

Meal vouchers

Eco-vouchers

Mobility package

Job summary

Médiane Benelux is seeking a UI Tester / Test Manager to help modernise a critical railway software system. You will alternate between tester and technical test manager roles as the project evolves, ensuring high-quality delivery from legacy C to Rust components.

You will analyze requirements, design tests, write documentation, and collaborate across the development team while participating in automation efforts and process improvements.

Qualifications

• Fluent in Dutch, French, and English.
• Experience in server-side and client-side software testing.
• Rust knowledge is a plus; C or Java experience acceptable.
• Knowledge of EN50128/DO178 is an asset.
• ISTQB Foundation Level certification is a plus.

Responsibilities

• Analyze, design, document, and validate the software programme's functionalities.
• Write technical documentation for software modules and/or the system.
• Support the development team by adding value at each stage of the software development cycle.
• Maintain and improve test processes and automation where possible.

Skills

Fluent in Dutch, French, and English

Analytical skills

Education

ISTQB Foundation Level

Tools

Qt

Squish

Python

Rust

C

Java

Job description

Médiane Benelux: Career Booster! Since 2017, and with over 35 years of experience in France and Italy, Médiane Benelux is an engineering company specialising 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 optimisation

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

For a project to modernise a critical software system used for traffic and safety management within the railway infrastructure, we are looking for a UI Tester / Test Manager. The system is undergoing iterative redevelopment, transitioning from legacy C code to modern components in Rust. You will contribute to both the existing and renewed parts of the system.

Depending on the project phase, you will take on the role of tester and/or technical test manager, ensuring high‑quality software delivery.

Responsibilities

• Analyse, design, document, and validate the software programme's functionalities.
• Write technical documentation for software modules and/or the system.
• Support the development team by adding value at each stage of the software development cycle.

Examples Of Tasks Include

• Writing test specifications based on functional analyses, software architecture, and module design.
• Executing manual test cases.
• Automating test cases using existing test frameworks and contributing to their development when necessary.
• Documenting test results and validating reports from colleagues.
• Analysing existing test solutions and proposing/implementing improvements.
• Documenting and executing test activities for different software modules.

Key Qualities

• Highly accurate and meticulous, even on long‑term tasks, given the operational impact of the software.
• Ability to work independently and as part of a team.
• Proactive communication to obtain necessary information.
• Strong analytical skills and accuracy in evaluating data and performing tasks.

Profile / Requirements

• Languages: Fluent in Dutch, French, and English.
• Experience in server‑side and client‑side software testing.
• Experience with Qt and Squish applications is a plus.
• Experience in automated testing.
• Knowledge of Python.
• Experience with Rust is a plus (experience with C or Java also acceptable).
• Knowledge of standards such as EN50128 or DO178 is an asset.
• ISTQB Foundation Level certification is a plus.

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