Senior Python Data Engineer - Banking - Paris (Hybrid)

Are you an experienced Senior Python Data Engineer with deep SQL and MongoDB expertise?emagine has an opportunity for you to drive data-driven solutions for VAT recovery, regulatory reporting and AI initiatives with a global team, in a leading banking environment in Paris.

Skills & Experience12+ years of Python development, with strong OOP and software design principles

Hands-on data engineering with very large datasets (hundreds of millions of records)

Strong SQL (PostgreSQL, MySQL or SQL Server) plus practical MongoDB experience, covering querying, data modelling and performance tuning

• Linux and Bash, with Autosys or similar job scheduling toolsGIT (branching, pull requests), Agile delivery and JIRATDD and BDD (Behave), with unit testing in PyTest
• Previous banking or financial services experience
• Fluent English
• Nice to have: other database technologies, data visualisation tools, machine learning or AI frameworks
• Tasks & Deliverables
• Design, build and optimise scalable, maintainable Python applications and data processing solutions
• Handle schema design, query optimisation and data integrity on very large SQL databases
• Develop and tune MongoDB and NoSQL data solutions
• Integrate, transform and analyse complex datasets to improve reporting, analytics and downstream applications
• Deploy and automate applications and data workflows in Linux, and build Autosys scheduling workflows
• Troubleshoot data discrepancies, performance bottlenecks and production issues
• Mentor junior team members and promote engineering best practice
• Work with stakeholders to turn business and regulatory data needs into solutions
• What's in it for youWork on high-impact projects that deliver tangible savings and support regulatory compliance
• Technical leadership in a modern data and AI-driven programmeA collaborative, enabling team that values autonomous, self-starting people
• Access to emagine's international consulting network and project variety
• Other details
• Location: Hybrid 3 days per week on site - Paris (75008)6 Month initial contract with long-term renewal options. Apply with your latest CV or reach out to Brendan to find out more.