Real-Time API & Integration Analyst for Rail Systems

Médiane Benelux; Brussel; On-site; EUR 55,000 - 75,000; Full time

Job summary

Médiane Benelux is seeking an Integration & API Analyst for a long-term mission in a critical IT environment focused on data exchange and system integration. You will work on real-time railway traffic data flows between internal and external platforms.

The role requires strong experience in API contracts (REST, SOAP), data modeling, and Agile/Scrum, with collaboration across developers, architects, and stakeholders to ensure secure, compliant integrations.

Qualifications

• 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.

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.

Skills

API design

Data modeling

Agile/Scrum

User stories

Tools

Swagger/OpenAPI

Postman

Job description

Médiane Benelux is seeking an Integration & API Analyst for a long-term mission in a critical IT environment focused on data exchange and system integration. You will work on real-time railway traffic data flows between internal and external platforms.

The role requires strong experience in API contracts (REST, SOAP), data modeling, and Agile/Scrum, with collaboration across developers, architects, and stakeholders to ensure secure, compliant integrations.