π C++ Developer β ALTEN
π’ 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.
π― 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.
πΉ Key Responsibilities
π 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.
π» 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.
π§ͺ 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.
π Documentation
Produce clear technical documentation for internal and client use.
π οΈ Your Profile
β Required Qualifications
Education: Masterβs 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).

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ALTEN is committed to meeting the expectations of its stakeholders and anticipating their requirements in the fields of innovation, R&D, and technological information systems.
Founded in 1988 and present in 30+ countries, the Group has established itself as the global leader in Engineering and IT Services. ALTEN operates with major players in the Aeronautics, Space, Defence, Naval & Security, Automotive, Rail & Mobility, Energy & Environment, Life Sciences β Health, Industrial Equipment & Electronics, Telecoms, Banking, Finance & Insurance, Retail & Services, Public Services & Government sectors.Β Β Β
OUR VISION: BUILDING TOMORROWβS WORLD TODAY
We are convinced that engineers are the architects who build tomorrowβs world today. As a global leader in Engineering and IT Services, we support businesses in their technological and sustainable transformation. We commit to making a positive impact over time and on people, pushing the boundaries of innovation, and always staying one step ahead. We are driven by one ambition: to think about the future in the present.
A LEADING GLOBAL TECHNOLOGY PARTNER
ALTEN is involved in all projects with a technological dimension for the Technical, Research & Development Divisions and IT Systems Divisions of major corporate, telecoms and service clients, requiring the involvement of high-level Consultant-Engineers. To achieve this, the Group has put in place a world-renowned technical organization of excellence.
πΉ 12 Industries covered
πΉ 21 Delivery Centers
πΉ 6,500+ Clients
FULL COVERAGE OF TECHNOLOGIES
The Group covers a wide range of expertise in Engineering and IT Services in order to meet our clientsβ needs.
We bring together and coordinate at the transnational level, specialists and consultants, experts in their profession who support our clients in their issues of digital transformation, innovation, product development, supply chain, etc.