Responsibilities Gather and analyze business requirements; produce functional specifications. Perform data mapping between internal systems and the SaaS platform. Document interfaces and data flows (APIs, file exchanges, etc.). Draft test cases and scenarios for UAT. Provide UAT support: coordinate testing, track defects, validate fixes. Collaborate with external providers to ensure timely delivery and quality. Monitor compliance with regulatory reporting obligations (MiFID II, EMIR, SFTR or similar). Prepare regular progress reports for stakeholders. Required skills & experience Minimum 5 years as a Business Analyst in financial or regulatory environments. Strong knowledge of regulatory transaction reporting (MiFID II, EMIR, SFTR). Expertise in data mapping and integration flows. Proven experience in writing functional and technical documentation. Hands-on experience with test case design and UAT coordination. Excellent communication skills to interact with internal teams and external vendors. Languages: Fluent in English and French (written and spoken). Technical skills: XML, VBA, SQL for data validation. Familiarity with Transaction Reporting SaaS platforms (ideally S&P Cappitech). Understanding of financial system architectures. Soft skills: Detail-oriented and organized. Strong analytical and problem-solving mindset. Ability to work effectively in a project-driven environment. Strong organizational and time-management skills. Excellent communication and interpersonal abilities. Advisory Key is a Consulting & Recruiting Company specialized in Project Management, Business Analysis and Operations in the investment fund industry & wealth management. This year, we conducted more than 100 assignments successfully. Advisory Key knows a sharp growth since its creation in 2010. We are constantly growing and we now are working with the major banks in Luxembourg and Paris. Together with our team composed of more than 190 high-caliber professionals, we develop a culture of excellence and deliver cost-effective advice.