Software developer C#

Médiane Système limited; Henegouwen; On-site; EUR 65,000 - 95,000; Full time

Benefits offered by this job

Attractive salary package

Mobility package (transport or car)

DKV

Group Insurance

Meal vouchers

Eco vouchers

Training opportunities

Job summary

Médiane Benelux invites an experienced software engineer to join a multinational, cross-functional team based in Charleroi, focused on Verification & Verification tooling for railway signalling and control systems. You will design, develop, and integrate software components in C# and Python, build test frameworks, and collaborate with hardware teams to ensure safety, reliability, and compliance on next‑generation rail projects.

Fluent English is required; French is a plus.

Qualifications

• Engineering or Master's degree in Computer Science, Software Engineering, or related field.
• Minimum 3 years of professional experience with C# development.
• Desirable: experience in railway software (ERTMS Level 2).
• Fluent English; French is a plus.

Responsibilities

• Specification & Architecture: Define tool requirements and architecture with software architects.
• Software Development (C# & Python): Design and implement software components and test them.
• Integration & Collaboration: Work with hardware and software teams; support tool integration.
• V&V Tooling: Build tailored tools for validation campaigns and improve processes.
• Teamwork & Knowledge Sharing: Collaborate across Belgium and international teams.

Skills

C# development

Python

Git & GitLab

Testing & QA

Networking basics

Linux

Docker

MongoDB

ERTMS knowledge

Education

Master's degree in Computer Science / Software Engineering

Tools

GitLab

Linux

Docker

MongoDB

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 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

Join a passionate international team based in Charleroi dedicated to building advanced software tools that power Verification & Validation (V&V) processes in railway systems. You will play a critical role in designing, developing, and integrating software components that ensure the safety, reliability, and compliance of railway signalling and control systems.

Key Responsibilities

Specification & Architecture

• Collaborate with the software architect to define tool requirements and architecture.

Software Development (C# & Python)

• Design and implement software components.
• Create the development toolchain environment.
• Write and run unit and verification tests.
• Manage configuration and version control of deliverables.

Integration & Collaboration

• Support software-to-software integration with team members.
• Participate in hardware-software integration phases.

V&V Tooling

• Build tailored tools to support validation teams in their testing campaigns.
• Standardisation & Continuous Improvement
• Promote reuse of internal libraries or COTS solutions.
• Propose enhancements to processes and tooling.

Teamwork & Knowledge Sharing

• Work closely with 7 colleagues in Charleroi and 4 in Bangalore.
• Foster an environment where expertise and best practices are regularly exchanged.

Profile / Requirements

Education & Experience

Engineering or Master's degree in Computer Science, Software Engineering, or related field.

Minimum 3 Years Of Professional Experience In

• Mandatory: C# software development
• Desirable: Experience in railway software (ERTMS Level 2)

Technical Skills

Excellent communication and collaboration capabilities.

Experience with Git and GitLab; knowledge of networking fundamentals.

Familiarity with test/integration processes.

Bonus: Linux, Docker, MongoDB experience.

Programming Languages

Strong skills in C# and Python, with eagerness to explore new technologies.

Soft Skills

Team-oriented, proactive, curious, rigorous, responsible, customer-focused, autonomous, and persistent.

Languages

Fluent English (written and spoken); French is a plus.

Why Join Us?

Contribute to high-stakes railway projects, ensuring the safety and reliability of next-generation transit systems.

Work in a multinational, cross-functional team, blending Belgian and international expertise.

Access to a rich technical environment, with opportunities for continuous learning, process innovation, and career development - endeavors valued in modern V&V roles across the railway industry.

Benefits

• Attractive salary package
• additional legal days off
• mobility package (transport or car)
• DKV
• Group Insurance
• Meal vouchers
• Eco vouchers
• Training opportunities