About this role
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 throughout the implementation phase. 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 You have 3+ years of professional experience in functional analysis, including the production of functional specifications , user stories , and acceptance criteria . You possess 2+ years of experience within traffic management systems or similar operational environments such as logistics, aviation, or utilities. You bring proven experience specifying system-to-system integrations using REST , SOAP , JSON , or XML . You're able to write SQL queries independently for data investigation, including SELECT , JOIN , and aggregation . You possess knowledge of interface modeling and protocols such as message-based or event-based architectures. You are fluent in English with at least a 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.