Functional Analyst – System Integration & Data Flows

Pauwels Consulting is seeking, for its client, a key organization in the transportation and logistics sector, a Functional Analyst to join their real-time operations team. The role focuses on implementing and configuring data flows between internal systems and external infrastructure managers to ensure regulatory compliance and operational efficiency.

Responsibilities: translate business and user requirements into detailed functional specifications, including features, user stories, and acceptance criteria; design and specify system-to-system interfaces, defining payload structures, error handling, and performance requirements for real-time contexts; collaborate with architects, developers, and testers to ensure technical feasibility and consistency; investigate data and validate business rules using SQL to qualify defects and ensure high data quality; manage project documentation and participate in defect reviews, UAT campaigns, and release activities.

Requirements: 3+ years of professional experience in functional analysis, including production of functional specifications, user stories, and acceptance criteria; 2+ years of experience within traffic management systems or similar operational environments; proven experience specifying system-to-system integrations using REST, SOAP, JSON, or XML; able to write SQL queries independently for data investigation; knowledge of interface modeling and protocols such as message-based or event-based architectures; fluent in English with at least B2 level of Dutch or French.

Nice to haves: experience with process and interaction modeling using BPMN, UML, or use cases; knowledge of OpenAPI, XSD, or conceptual data modeling; participation in UAT campaigns, defect triage, or migration activities.

Offer: start date 01/01/2027, duration 2 years, full-time, location Brussels, working model hybrid (minimum 2 days per week onsite), contract open to both permanent employees and freelancers.