Quant Dev - Global Bank (HQ Paris, hiring across Europe)

[francoisgruber]

Hi everyone, I represent GECI Group - an digital engineering consultancy - expert in designing and developing smart solutions & products for the Financial, Energy and Research sector. One of our clients - a global bank headquartered in Paris - is immediately looking for Quantitative Developers to transform complex mathematical models into high-performance trading systems operating in a demanding 24/7 global environment. The candidate would need to be in Europe and fluent in English (French is a plus).

If you are interested, please send an email to francois.gruber@asplus.fr including:
- Your CV in English
- Availability and salary request
- Current location (in Europe) and willingness to potentially move to France

See description below >

Thanks a lot

Francois Gruber

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Our client, a leading financial institution, is seeking exceptional Quantitative Developers to transform complex mathematical models into high-performance trading systems operating in a demanding 24/7 global environment.

The Challenge: Join a mission-critical team tackling significant performance optimization challenges across legacy systems. You'll work with sophisticated financial models in a complex, non-standardized environment where your engineering expertise will directly impact trading operations.

What We're Looking For:​

Technical Excellence:

• Core Programming: Expert-level proficiency in C++ and Ada
• Modern Languages: Strong skills in Go and Rust (highly valued)
• DevOps & Quality: Extensive experience with Jenkins, plus familiarity with Sonar, Fortify, and Nexus
• Scale: Proven ability to contribute effectively to large codebases (1-5 million lines)

Professional Profile:

• Quantitative Background: Strong mathematical and financial modeling expertise
• Adaptability: Quick learner who thrives in complex technical environments
• Systems Integration: Comfortable navigating and connecting hundreds of internal applications
• Problem Solving: Proactive approach to identifying issues and implementing solutions
• Communication: Fluent English (essential for global collaboration)

What Drives You:

• Genuine passion for mathematics and/or information technology
• Enthusiasm for software development and continuous learning
• Interest in bridging the gap between quantitative research and production systems
• Motivation to lead technical initiatives and drive performance improvements

The Opportunity: Work at the forefront of financial technology, where your code directly impacts global trading operations. You'll collaborate with quants, traders, and engineers to build the next generation of trading infrastructure.