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# Integration & API Analyst - Railway Systems

- **Company:** Médiane Benelux
- **Location:** Brussel, Belgium
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), .NET Framework, XML Schema, Application Programming Interfaces (APIs), Batch Processing, Computer Programming, Data Dictionary, Database Queries, Electronic Data Interchange (EDI), Python (Programming Language), OAuth, Scrum Methodology, Swagger, Simple Object Access Protocol (SOAP), SQL Databases, Data Streaming, Systems Integration, Web Services Description Language, Extensible Markup Language (XML), XPath, Openapi, Postman, Enterprise Integration, Api Design, Restful APIs, Api Management
- **Published:** July 22, 2026
- **Apply:** https://www.adzuna.be/details/5809988513

## About the Role

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

## 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., 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


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