C++ Performance Engineer — High-Impact, Agile

Groupe ALTEN; France; Hybride; EUR 40 000 - 70 000; Plein temps

Résumé du poste

Groupe ALTEN is seeking a C++ Developer to design, develop, and optimize high-performance software solutions in collaboration with cross-functional Agile teams. You will contribute to projects for industry-leading clients, focusing on scalable architectures and robust backend systems.

The role emphasizes excellence in C++11/14/17/20, STL, and multithreading, with responsibilities spanning development, testing, and documentation to ensure reliable, secure software delivery.

Qualifications

• Master’s degree in a relevant field.
• Minimum 2+ years of professional C++ development (internships count for junior roles).
• Expertise in modern C++11/14/17/20, STL, templates, multithreading.
• Strong knowledge of OOP, design patterns, and data structures.
• Experience with Agile/Scrum methodologies.
• Fluent English (written and spoken).

Responsabilités

• Analyze technical specifications to define software requirements.
• Design scalable and efficient C++ architectures and conduct feasibility studies.
• Propose and validate technical solutions with stakeholders.
• Develop high-quality C++ applications following industry best practices.
• Optimize code for performance, memory management, and thread safety.
• Model, design, and implement databases and backend systems.
• Write and execute unit, integration, and performance tests (e.g., GoogleTest, JMeter).
• Debug and refine existing C++ systems in collaboration with product teams.
• Ensure code reliability, security, and maintainability.
• Produce clear technical documentation for internal and client use.

Connaissances

C++

STL

Templates

Multithreading

OOP

Design patterns

Data structures

Agile/Scrum

English (written and spoken)

Formation

Master’s degree in Computer Science, Software Engineering, or related field

Description du poste

Groupe ALTEN is seeking a C++ Developer to design, develop, and optimize high-performance software solutions in collaboration with cross-functional Agile teams. You will contribute to projects for industry-leading clients, focusing on scalable architectures and robust backend systems.

The role emphasizes excellence in C++11/14/17/20, STL, and multithreading, with responsibilities spanning development, testing, and documentation to ensure reliable, secure software delivery.