Offre d'emploi Software Engineer (C++)

In this role, you will engineer high-performance, secure software systems that underpin mission-critical defence operations. You’ll collaborate with clients and cross-functional teams to design, develop, and deliver robust solutions that meet exacting standards of performance and reliability. Your expertise will directly influence the success of strategic projects, ensuring our clients maintain a technological edge in national security.



You’ll take ownership of your work from concept through delivery, bringing creativity and precision to every challenge. Supported by CGI’s collaborative culture, you’ll have opportunities to innovate, contribute to technical direction, and build a rewarding, purpose-driven career.



Key responsibilities:



Design & Develop: Create and maintain high-quality, modern C++ software solutions aligned with mission objectives.



Collaborate & Innovate: Work closely with multidisciplinary teams and clients to translate technical requirements into effective solutions.



Optimise & Secure: Apply secure coding standards, performance optimisation, and rigorous testing practices.



Deliver & Evolve: Contribute to Agile ceremonies, CI/CD pipelines, and continuous improvement initiatives.



Document & Communicate: Produce clear technical documentation and contribute to knowledge-sharing across teams.

Required qualifications to be successful in this role

You should have strong experience developing secure, high-performance software using modern C++ and be passionate about delivering reliable systems that make a real difference. A background in defence, aerospace, or similar high-assurance environments is advantageous but not essential.



Essential qualifications:



Proven experience with modern C++ (C++11 and above) and OOD principles.



Solid understanding of multithreading, concurrency, and real-time software design.



Familiarity with Linux and cross-platform development environments.



Experience with CI/CD tools, version control, and unit testing frameworks.



Awareness of secure coding standards and best practices.



Strong analytical and problem-solving skills, with the ability to work effectively in collaborative teams.



Desirable qualifications:



Experience in embedded or mission-critical systems.



Knowledge of middleware technologies (e.g., DDS, ZeroMQ) and scripting (Python, Bash).



Understanding of Agile delivery models such as Scrum or SAFe.



#LI-JS2

Together, as owners, let’s turn meaningful insights into action.



Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…



You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.



Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.



You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.



Come join our team—one of the largest IT and business consulting services firms in the world.