Senior Quantitative Software Engineer - High-Performance Computing

GECI Int.

📍 Paris, Île-de-France, France

Full-time Computer Occupations Posted March 01, 2026

Job Description

GECI International est un spécialiste de la Technologie et du Digital. Depuis son origine en 1980, le Groupe innove pour concevoir et développer des solutions, produits et services intelligents pour les secteurs de la Recherche, de l’Industrie et des Services.



About Us

Join our engineering and IT consulting firm, subsidiary of an international technology group, operating in France and globally. We serve strategic sectors including energy, banking, telecommunications, aerospace, and defense.Our mission: supporting clients on high-value projects in Cloud, Data, Cybersecurity, Software Development, and IT Infrastructure within demanding technical environments. We believe in our talent's potential and invest in their development to build ambitious, evolving careers.


The client:

A leading European investment bank, part of a global financial services group operating across multiple continents. They serve institutional clients in investment ...