Real-Time Rail API & Data Integration Analyst

Médiane Système limited; Brussel Hoofdstad; On-site; EUR 70,000 - 95,000; Full time

Benefits offered by this job

Attractive salary package

Mobility package (car or public-transp

DKV health insurance

Group insurance

Meal vouchers

Eco-vouchers

Job summary

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

The role requires 5-10 years in API/integration, strong data modeling skills, and experience with Agile/Scrum. You will work across a multi-stakeholder European ecosystem in a dynamic, engineering-focused setting.

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 integration experience

Data modeling

Agile/Scrum

User stories management

Tools

Swagger/OpenAPI

Postman

OAuth2

JWT

XML/XSD/XPath

SQL

Java/.NET/Python

Job description

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

The role requires 5-10 years in API/integration, strong data modeling skills, and experience with Agile/Scrum. You will work across a multi-stakeholder European ecosystem in a dynamic, engineering-focused setting.