Integration & API Analyst - Railway Systems

Job Description :

We are looking for an Integration & API Analyst for a long-term mission within a critical IT environment focused on data exchange and system integration. The role supports real-time railway traffic systems, ensuring reliable, secure, and scalable data flows between internal and external platforms.

Responsibilities :
Analyze integration needs and data exchange requirements
Collect, structure, and formalize data models and business rules
Design and document API contracts (REST, SOAP)
Write detailed functional and technical integration specifications
Collaborate with developers, architects, and stakeholders
Define and execute API test scenarios and validation processes
Ensure compliance between implementations and defined contracts
Perform impact analysis on integrations and data flows

Scope :
Data exchange across internal systems and external partners
Real-time and batch processing environments
API-driven architecture and service-oriented integrations
Multi-stakeholder ecosystem including European platforms

Profile / Requirements :

Experience
5–10 years in API, integration, or functional analysis roles
Strong experience in data modeling and system integration
Proven background in Agile/Scrum environments
Experience in defining and managing user stories

Technical Expertise
API design: REST, SOAP, WSDL
API documentation: Swagger / OpenAPI
API testing: Postman or equivalent
Security: OAuth2, JWT
Data formats: XML, XSD, XPath
SQL and data querying
Programming knowledge: Java, .NET, or Python

Additional Expertise
Functional validation of integrations (test cases, scenarios)
Root cause analysis for incidents and defects
Definition of non-functional requirements

Languages
French or Dutch: C2
Second national language: B2
English: C1

Nice to Have
Experience in integration impact analysis
Experience in API documentation and data dictionaries
Knowledge of railway or transport systems

Soft Skills :
Strong analytical and structured mindset
Autonomous and proactive
Clear communication with technical and business teams
Ability to work in complex, multi-stakeholder environments
Resilient and team-oriented

About us :

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