Full-stack Developer Intern – Defense and Security - Tours

A European technology leader, Sopra Steria supports organizations in the deployment of their strategic projects by leveraging its expertise in consulting, integration, business solutions, artificial intelligence, and cybersecurity. In a context where digital sovereignty, infrastructure resilience, and data control have become essential, Sopra Steria contributes to strengthening Europe's strategic autonomy, particularly in serving critical infrastructures and sovereign missions in the financial services, defense, space, aeronautics, and public services sectors. With 51,000 employees in nearly 30 countries and a revenue of 5.6 billion euros in 2025, Sopra Steria helps its clients enhance their competitiveness and achieve tangible and lasting benefits by combining in-depth knowledge of business and technologies with a collaborative approach, aiming to sustainably address the major challenges of our time.

The world is how we shape it

The Defense and Security sector faces numerous challenges: ensuring the operational efficiency of our clients, facilitating and securing access to information, simplifying citizen processes, and supporting individuals through digital transformation!

Together, you will work towards a common goal: building and delivering digital solutions for the Ministry of Armed Forces. With UO projects (work unit market for the Joint Inter-Agency Directorate of Defense Infrastructure Networks and Information Systems), you will work with several clients on applications supporting military activities (operational and administrative). You will contribute to the evolution of sites like s'engager.fr, a appointment scheduling portal at the heart of the Army's recruitment strategy.

Your Role and Responsibilities

You will lead the work with your Technical Manager to meet the quality, rigor, and performance requirements of our systems.
Fully immersed within the team, your missions will include:

• Design and development of a computer application
• Client support in innovation projects
• Writing technical specifications
• Development of enhancements and bug fixes
• Participation in events within your professional community (client meetings, knowledge sharing)

Internship Benefits

• Understand the digital transformation challenges of sovereign activities
• Participate in a large-scale project serving societal issues
• Develop Full Stack development skills alongside experts

Your Profile:

• You enjoy teamwork, are a good communicator, and are technically curious. You like to take initiative and solve technical challenges.
• You wish to invest yourself in projects with high societal stakes, combining challenges and innovation? Then join a company where a strong entrepreneurial spirit and an atmosphere conducive to your growth prevail: participate without delay in a sustainable transformation through a genuine human adventure within a large international group.
• You are a final-year student in an engineering school or equivalent university program, seeking an internship with potential for a permanent CDI contract. You are familiar with technologies such as Java.

Benefits of joining us:

• A teleworking agreement to work remotely up to 2 days per week depending on your assignments.
• An attractive benefits package: meal vouchers, access to subsidies for social & cultural activities.
• Several hundred training courses accessible autonomously from the mobile app with Sopra Steria Academy
• The opportunity to get involved with our foundation or our partner
• Numerous CDI opportunities may await you after your internship.

An inclusive and committed employer, our company works every day to combat all forms of discrimination and foster a respectful work environment. Therefore, committed to gender diversity and inclusion, we encourage all applications and all profiles.

https://www.soprasteria.fr/nous-connaitre/nos-engagements