The Position As part of our ongoing growth, we are looking for a Full Stack Developer (Python) to join our teams and work on client projects located in Liège. As a Full Stack Developer (Python), your main responsibilities will include: Designing, developing, and maintaining scalable Python applications Contributing to technical architecture and decision-making Leading and supporting a team of 3 developers, providing both technical and personal guidance Collaborating with cross-functional teams (DevOps, QA, Product, etc.) Ensuring code quality and promoting best practices through code reviews Participating in the continuous improvement of development processes Developing features on both the back-end and front-end Your Profile Bachelor's degree or equivalent (minimum Bac 3) At least 4 years of experience in a similar position Proficiency in Python frameworks (such as Django, Flask, FastAPI) Comfortable working across the full stack (back-end and front-end technologies) Strong leadership and mentoring abilities Familiarity with Agile methodologies (Scrum, Kanban) Language(s): French or English (minimum B2 level) Independent, detail-oriented, and proactive Working Conditions Permanent contract with an attractive salary package Company car with fuel card Representation fees Meal vouchers Mobile phone subscription Group insurance & healthcare insurance Possibility of remote work 20 legal vacation days 12 compensatory days What we offer Access to exciting projects in key sectors: Transport, Energy, Automotive, Telecom, Finance A diverse client base: Collaborations with both large corporations and smaller dynamic companies across Belgium A real career development plan: Continuous training, coaching, daily knowledge sharing An innovative and collaborative environment About ALTEN ALTEN is a world leader in engineering and technology consulting, with over 57,000 employees in more than 30 countries. We support major companies in their innovation, R&D, and digital transformation projects across sectors such as automotive, aerospace, energy, finance, life sciences, and telecommunications. Present in Belgium for over 25 years, ALTEN Belgium operates from its offices in Brussels and Antwerp. Today, with a team of 700 consultants, ALTEN Belgium offers a wide range of expertise across Engineering, Life Sciences, and IT fields. From Automotive to Railway, and Medtech to Agrifood, our experts deploy their knowledge to provide innovative solutions in a dynamic and forward-thinking environment. Ready for a new challenge? Apply now and take part in innovative and impactful projects at ALTEN Belgium!