C++ Software Engineer | CAD Infrastructure & Applications

PoissonSoftware; Boulogne-Billancourt; Sur place; EUR 60 000 - 95 000; Plein temps

Résumé du poste

PoissonSoftware in the Paris area is seeking a C++ Software Engineer to work on our 3D CAD platform, covering core infrastructure and applications. This on-site role is based in Boulogne-Billancourt, within the Paris region.

You will develop C++ code for CAD infrastructure and applications, optimize performance for large assemblies, interact with geometry kernels, solvers, and visualization engines, and collaborate with product, UX, and CAD experts to deliver robust solutions.

Qualifications

• Experience programming in C++ for CAD platforms.
• Strong knowledge of 3D geometry and CAD concepts.
• Experience with large assemblies and performance considerations.
• Ability to work across infrastructure and application layers.

Responsabilités

• Develop C++ code for CAD infrastructure and applications
• Develop algorithms and data structures for performance in large-scale assemblies visualization and geometry checking
• Contribute to CAD core topics: data model, update graph, parameters, behaviors
• Interact with geometry kernels, constraint solvers, and visualization engines
• Improve performance, robustness, and scalability
• Collaborate with product, UX, and CAD expert teams
• Understand 3D geometry and CAD concepts
• Work on both infrastructure and application-level code
• Gain experience with CAD architectures, performance, or AI for engineering
• Explore specialized CAD domains like Sheet Metal, Fastening, Welding

Connaissances

C++

3D CAD

Data structures

Performance optimization

Large CAD platforms experience

Collaborative / teamwork

Geometry kernels knowledge

DMU / Direct Modeling

Outils

CATIA

NX

Creo

SolidWorks

Onshape

Description du poste

This position is primarily based on-site in Boulogne-Billancourt.

Candidates must therefore reside in the Paris region for the duration of the contract.

Location: Boulogne-Billancourt, France (Paris area - Metro Marcel Sembat)

About the Role

We are looking for a C++ Software Engineers to work on our 3D CAD platform, covering both core infrastructure and CAD applications.

Depending on your interests and experience, you will contribute to:

• CAD infrastructure (data model, update mechanisms, performance, geometric operators)
• CAD applications such as Direct Edit, Solid/Shape modeling, Assembly, DMU …
• Specialized CAD applications such as Sheet Metal, Fastening, Welding, and more.

What You Will Do

• Develop C++ code for CAD infrastructure and applications
• Develop algorithms and data structures for optimized performance for large-scale assemblies' visualization and geometry checking
• Contribute to CAD core topics: data model, update graph, parameters, behaviors
• Interact with geometry kernels, constraint solvers, and visualization engines
• Improve performance, robustness, and scalability
• Collaborate with product, UX, and CAD expert teams
• Good understanding of 3D geometry and CAD concepts
• Ability to work on both infrastructure and application-level code
• Experience with large CAD platforms (CATIA, NX, Creo, SolidWorks, Onshape, etc.)
• Experience in Direct Modeling, parametric CAD, or DMU
• Interest in CAD architecture, performance, or AI for engineering
• Knowledge of specialized CAD domains such as Sheet Metal, Fastening, Welding, or similar applications