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Functional Analyst

BrusselsHybridHours negotiable<3months

We are looking for a Medior Functional Analyst to translate complex, regulated business processes into clear, structured and implementable functional specifications for software development teams. The role acts as a bridge between business requirements, regulatory constraints and technical implementation, with a strong focus on domain modelling, specification quality, APIs, data and Agile delivery.

What you do

  • Model formality behaviour against standard contracts, shared base types and state machines.
  • Elicit, analyse and structure functional requirements for notarial formalities.
  • Produce user stories, acceptance criteria, business rules, story maps and functional domain contracts.
  • Define and manage OpenAPI / AsyncAPI specifications.
  • Document data flows, edge cases and compliance-relevant behaviour.
  • Validate requirements with business experts.
  • Communicate domain concepts clearly to technical teams.
  • Refine the backlog and support developers and testers.
  • Clarify acceptance criteria and validate delivered functionality.

What they ask

  • 3-5 years of experience as a Functional / Business Analyst in software delivery.
  • Strong experience with requirements elicitation and functional decomposition.
  • Experience with functional domain modelling, particularly contract-driven services.
  • Strong ability to write clear and testable functional specifications.
  • Strong command of: User Stories, Acceptance Criteria, Business Rules.
  • Ability to read and reason about REST API contracts / OpenAPI.
  • Experience working with data models.
  • Experience with dependency mapping across domains.
  • Proven experience translating regulated, legal or financial processes into functional specifications.
  • Experience working in multi-stakeholder environments.
  • Strong facilitation, decision-making and ambiguity-resolution capabilities.
  • Ability to work autonomously within a mission-critical delivery environment.
  • Strong collaboration and peer-review mindset.
  • Dutch + English OR French + English – Hard Requirement.

Nice-to-haves.

  • AI-assisted analysis.
  • Specification-driven development.
  • Experience working with distributed teams.
  • Data Governance.
  • Master Data Management.
  • Experience within Belgian: Notarial, Legal, Real Estate, Financial domains.
  • Domain-Driven Design familiarity.
  • GDPR awareness.
  • NIS2 awareness.

How to apply

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