C++ Developer

ALTEN; Provence-Alpes-Côte d'Azur; On-site; EUR 42,000 - 62,000; Full time

Job summary

ALTEN, a European leader in high-tech engineering and IT consulting, is seeking a C++ Developer to design, develop, and optimize high-performance software for international clients. You will collaborate with cross-functional Agile teams to deliver robust solutions.

The role requires a Master’s in CS, 2+ years of C++ experience, modern C++11/14/17/20, STL, and good OOP and design patterns, with fluent English.

Qualifications

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

Responsibilities

• Analyze specifications to define software requirements and architecture.
• 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 tests and debugging in collaboration with teams.

Skills

C++

STL

Templates

Multithreading

OOP

Design patterns

Data structures

Agile/Scrum

Education

Master's degree in CS

Job description

C++ Developer – ALTEN

About ALTEN

ALTEN is the European leader in high-tech engineering and IT consulting, empowering global industries for over 30 years. With 52,000 experts across 30+ countries, we drive innovation in aerospace, automotive, finance, energy, defense, healthcare, and telecommunications.

Join us to work in a fast-paced, startup-like environment where your C++ expertise will shape cutting-edge solutions for international clients.

Your Role

As a C++ Developer at ALTEN, you will design, develop, and optimize high-performance software solutions in collaboration with cross-functional Agile teams. Your work will directly impact projects for industry-leading clients.

Key Responsibilities

Requirements & Design

Analyze technical specifications to define software requirements.

Design scalable and efficient C++ architectures and conduct feasibility studies.

Propose and validate technical solutions with stakeholders.

Development

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.

Testing & Maintenance

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.

Documentation

Produce clear technical documentation for internal and client use.

Your Profile

Required Qualifications

Education

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

Experience

Minimum 2+ years of professional C++ development (internships count for junior roles).

Technical Skills

Expertise in C++ (modern C++11/14/17/20, STL, templates, multithreading).

Strong knowledge of OOP, design patterns, and data structures.

Experience with Agile/Scrum methodologies.

Language

Fluent English (written and spoken).