Requirement engineer M/F

We are looking for a Requirement Engineer for one of our clients based in Luxembourg

• Freelance or permanent contract via a payrolling company
• Strong knowledge of financial regulations (EMIR, MiFID II, AMLD5, regulatory reporting)
• Hybrid work model (onsite for the first 3 months, then up to 2 days/week remote)
• English fluent is mandatory, French or German is a plus

Your responsibilities

• You will translate business and regulatory needs into clear functional and technical specifications
• You will document reporting logic, data transformations, and field-level requirements
• You will ensure specifications are testable and aligned with applicable guideline
• You will collaborate with stakeholders to refine scope and clarify assumptions

• You will lead data mapping activities across systems and regulatory formats (XML, JSON, CSV, etc.)
• You will prototype reporting outputs using SQL and Python to validate logic and identify gaps
• You will identify inconsistencies and define transformation rules for accurate reporting
• You will contribute to defining data validation rules and quality checks

• You will work closely with compliance experts to validate interpretations of regulatory requirements
• You will collaborate with architects and technical leads to design practical solutions
• You will support delivery teams during implementation, testing, and go-live phases
• You will actively participate in workshops and decision-making discussions

• You will provide functional guidance throughout development and testing cycles
• You will prepare edge cases, validation scenarios, and expected output examples
• You will ensure traceability between regulatory requirements and delivered solutions
• You will support defect analysis and help drive timely resolution

• You are experienced in financial regulations and reporting (EMIR, MiFID II, AMLD5, etc.)
• You are familiar with trade lifecycle concepts and financial products (securities, derivatives, FX)
• You are comfortable working with structured data formats such as XML and JSON
• You are proficient in SQL and have working knowledge of Python for data analysis and prototyping
• You are able to analyze data models and understand integration flows
• You are skilled at writing clear, structured functional specifications
• You are confident handling ambiguous requirements and facilitating decisions
• You are comfortable collaborating across business and technical teams
• You hold a Bachelor's or Master's degree in a relevées field
• You have at least 7 years of experience in data engineering or backend engineering with a strong data focus
• You are experienced in regulated environments such as finance, insurance, or healthcare (preferred)
• You are an effective communicator with both technical and non-technical stakeholders
• You can work under pressure, especially with regulatory deadlines
• You have experience with core banking systems (e.g., Temenos) as a plus