Expleo Group

About the Company

Expleo is a global engineering, technology and consulting service provider that partners with leading organisations to guide them through their business transformation, helping them achieve operational excellence and future-proof their businesses.

Expleo benefits from more than 50 years of experience developing complex products, optimising manufacturing processes, and ensuring the quality of information systems.

Leveraging its deep sector knowledge and wide-ranging expertise in fields including AI engineering, digitalisation, hyper-automation, cybersecurity and data science, the group's mission is to fast-track innovation through each step of the value chain.

As a responsible and diverse organisation, Expleo is committed to doing business with integrity and working towards a more sustainable and secure society.

Expleo boasts an extensive global footprint, powered by 18,000 highly-skilled experts delivering value in 29 countries and generating more than EUR1.4 billion in revenue.

Listed Jobs

Company Name

Expleo Group

Job Title

Stagiaire - Développeur Multi-langage PMO H/F

Job Description

**Job Title:** Multi‑language PMO Developer Intern (M/F) **Role Summary:** Support the Project Management team in digitizing project control for the automotive wiring sector. Under the guidance of an experienced mentor, develop and deploy automated tools, dashboards, and scripts to enhance planning, cost, schedule, and quality management across industrial projects. **Expectations:** - Pursuing a Master‑level engineering or university program (BAC+5) with a mechanical focus. - Demonstrated coding ability and analytical mindset. - Ability to work collaboratively in a multi‑disciplinary environment. - Proficiency in English (minimum B2) for technical documentation and international meetings. **Key Responsibilities:** - Analyze existing industrial project‑control tools and processes in automotive wiring. - Conduct internal benchmarking and collaborate with digital teams on project‑management best practices. - Map technical solutions used across the group and link them to vehicle design requirements. - Develop automation scripts using VB.NET, VBA, C#, and other languages (C++, Python, Java). - Design and implement automated dashboards for technical and financial tracking (e.g., Power BI). - Write procedures, formalize best practices, and report progress to management. **Required Skills:** - Programming: VBA, C++, Python, Java; experience with VB.NET, C# a plus. - Strong analytical and problem‑solving abilities. - Good interpersonal and teamwork skills. - English reading/writing/speaking at B2 level. - Familiarity with Office 365, Excel VBA, Microsoft Project, ERP systems, and Power BI considered advantageous. **Required Education & Certifications:** - Currently enrolled in a 5‑year engineering program or university master’s degree (mechanical engineering or related). - No specific certifications required; relevant coursework or projects in software development and project management are beneficial.

Montigny-le-bretonneux, France

Hybrid

07-11-2025

Company Name

Expleo Group

Job Title

Stage – Ingénieur conception SW – deep learning H/F

Job Description

**Job title:** Software Design Engineer Internship – Deep Learning **Role Summary:** Internship in an embedded systems project team focused on intelligent solutions for mobility. Develop and deploy deep‑learning models that autonomously adjust configuration parameters in real‑time, contributing to the digital transformation and modernization of embedded systems. **Expectations:** - Work closely with technical teams and the Calibration & Validation systems lead. - Gain hands‑on experience in data‑driven model development, continuous learning pipelines, and simulation testing. - Deliver clear documentation and actionable integration recommendations. **Key Responsibilities:** 1. Conduct a literature review of neural network approaches and recommend the most suitable architectures. 2. Analyze real‑world system data to identify patterns and calibration opportunities. 3. Evaluate potential improvements to enhance system calibration performance. 4. Design machine‑learning models that adjust system parameters autonomously. 5. Develop and maintain a continuous learning mechanism for the models. 6. Test and validate solutions through simulations and performance analysis. 7. Produce technical summaries and integration pathways for future deployment. **Required Skills:** - Proficiency in Python programming and data‑science libraries (NumPy, pandas, scikit‑learn, TensorFlow/PyTorch). - Strong foundations in machine‑learning, deep‑learning, and statistical analysis. - Knowledge of embedded systems and automotive domain is a plus. - Experience with data processing, simulation, and version control (Git). - Ability to document findings and propose clear next‑steps. **Required Education & Certifications:** - Master’s level (Bac+5) in Artificial Intelligence, Embedded Systems, Data Science, or Automation. - Relevant certifications in Machine Learning or Deep Learning are advantageous but not mandatory.

Montigny-le-bretonneux, France

On site

12-11-2025

Company Name

Expleo Group

Job Title

Stage - Ingénieur modélisation & développement de solutions hydrogènes H/F

Job Description

Job title: Intern – Hydrogen Modeling & Solution Development Engineer Role Summary: Embedded System Software Developer within an Embedded & Application Software team focused on hybrid electric propulsion systems that use hydrogen. The role involves developing digital twins, validating 0‑D/1‑D traction chain models, optimizing component sizing, and creating user interfaces for decision support in maritime and railway applications. Working under a mentor, the intern will engage in technical, project, and collaborative activities to industrialize hydrogen propulsion technologies. Expectations: - Receive continuous guidance from a designated tutor. - Deliver technical deliverables on time while participating in team projects. - Engage in project management activities and collaborative problem‑solving. Key Responsibilities: - Construct a digital twin of hydrogen propulsion systems using AI/ML or deep learning techniques. - Conduct comprehensive literature reviews of hydrogen‑based maritime and railway propulsion devices. - Develop and validate 0‑D and 1‑D models of electric traction chains with hydrogen fuel cells and batteries. - Optimize component dimensions (fuel cell stack, battery) for varying vessel or train sizes. - Design and implement IHMs (operator‑interface modules) and decision‑support tools for system sizing. - Define, execute, and document a validation plan for the proposed models. Required Skills: - Proficient in embedded software development (C/C++). - Experience with simulation tools (MATLAB/Simulink) and model‑based design. - Knowledge of electric propulsion systems, hybrid traction, and hydrogen fuel cells. - Understanding of 0‑D/1‑D modeling, system sizing, and performance optimization. - Familiarity with AI/ML concepts for creating digital twins. - Ability to develop user interfaces for engineering applications. - Strong analytical, problem‑solving, and documentation skills. Required Education & Certifications: - Enrolled in or recently completed a Bachelor’s or Master’s degree in Electrical Engineering, Mechanical Engineering, Aerospace Engineering, or a related field. - Coursework or training in embedded systems, control systems, and propulsion technology is preferred. - (Optional) Certifications in programming languages, simulation tools, or AI/ML methodology are advantageous.

Montigny-le-bretonneux, France

On site

13-11-2025

Company Name

Expleo Group

Job Title

Backend developer (java)

Job Description

Job Title: Backend Developer (Java) Role Summary: Design, develop, and maintain robust Java‑based backend services and APIs for banking applications, ensuring high performance, scalability, and compliance with security standards. Expectations: Deliver clean, well‑documented code; collaborate effectively in Agile teams; apply best practices in testing, code reviews, and CI/CD; adapt to evolving banking regulations. Key Responsibilities: • Develop microservices using Spring Boot and RESTful APIs • Build and optimize data access layers with PostgreSQL, Oracle, or MySQL • Implement CI/CD pipelines with Jenkins or GitLab CI • Participate in sprint planning, stand‑ups, and retrospectives • Conduct unit, integration, and performance testing • Maintain documentation and audit trails for banking security compliance • Monitor and tune application performance; troubleshoot production issues. Required Skills: • 3‑5 years of Java backend development experience • Strong proficiency in Spring Boot, REST, and microservice architecture • Maturity with relational databases (PostgreSQL, Oracle, MySQL) • Experience with CI/CD tools (Jenkins, GitLab CI) • Solid understanding of Agile methodologies and SDLC • Ability to write clean, maintainable, and well‑documented code **Bonus**: Experience in banking/financial services, Docker/Kubernetes, Kafka, security protocols, data protection regulations, performance tuning, and monitoring tools. Required Education & Certifications: • Bachelor’s degree in Computer Science, Software Engineering, or related field (preferred) • Java, Spring, or related certifications are a plus.

Tangier, Morocco

Hybrid

14-11-2025