Data Engineer
Summary
Senior freelance data engineer (Datamart & Integration SME) in Paris, hybrid with 3 days onsite, leading solution design and delivery of datamart architecture, data models, and trade-feed integrations on a capital markets trading platform. Core tech: SQL, XML, and data interface engineering; Python, ETL, and BI tools are pluses.
Location: Paris, France (Hybrid: minimum 3 days onsite)
Industry: Capital Markets / Investment Banking
Employment Type: Freelance
A leading institution in the capital markets space is seeking a Senior Datamart & Integration SME to lead the solution design, architecture, and end-to-end delivery of scalable data workflows on a core trading platform.
Key Responsibilities:
- Lead the scoping, solution design, configuration, and implementation of Datamart architecture, data models, and extraction chains.
- Design robust, high-performance interfaces for trade feeds, static data, and market data while ensuring data quality and reconciliation.
- Facilitate stakeholder workshops, gather functional requirements, maintain backlogs, and drive agile sprint planning.
- Support data migration, transformation, integration testing, and defect analysis alongside Front Office, Risk, Operations, and Technology teams.
- Provide subject-matter leadership and mentorship across platform implementations and transformation programmes.
Required Experience & Skills:
- 8+ years of hands-on experience working with capital markets trading platforms, specifically focused on Datamart, reporting, and integration.
- Strong product knowledge across equity derivatives and the broader capital markets trade lifecycle.
- Advanced technical expertise in SQL, XML, and data interface engineering.
- Proven delivery track record across large-scale platform implementations or migration initiatives.
- Fluent English with strong stakeholder management and communication skills (French is advantageous).
- Additional exposure to BI/reporting tools, Python, Shell scripting, Perl, Java, web services, or ETL pipelines is highly desirable.