ALTEN

About the Company

ALTEN Group supports the development strategy of its customers in the fields of innovation, R&D and technological information systems.
Created 30 years ago, the Group has become a world leader in Engineering and Technology consulting.

24 700 highly qualified engineers carry out studies and conception projects for the Technical and Information Systems Divisions of major customers in the industrial, telecommunications and Service sectors.

Our business lines:

* ENGINEERING
R&D and Manufacturing outsourcing :
> Consulting
> R&D externalization / Design & Development
> Manufacturing engineering
> Supply chain and Quality
> Testing
> Customer Support training

* ENTERPRISE SERVICES
Internal IT:
> Consulting functional knowledge
> technical expertise (Digital, BI...)
> IT applications / Life Cycle Management

Internal Network:
> Architecture and Security
> Deployment Integration Support

Listed Jobs

Company Name

ALTEN

Job Title

Développeur Java H/F

Job Description

**Job Title:** Java Developer (M/F) **Role Summary:** Develop, test, and maintain Java applications for the Aeronautics/Space/Defense business unit, ensuring high‑quality, reliable code that meets functional requirements and industry standards. **Expectations:** - Deliver clean, well‑documented Java code on schedule. - Maintain code quality and adhere to best practices. - Proactively identify and resolve defects. - Collaborate with cross‑functional teams to integrate and validate features. **Key Responsibilities:** - Design and implement new functionality in Java. - Ensure code quality and act as the code‑owner for assigned components. - Write and execute unit tests; perform debugging and fix errors until results meet specifications. - Conduct integration testing of developed modules. - Diagnose, troubleshoot, and correct bugs reported during testing or production. **Required Skills:** - Strong proficiency in Java (SE/EE) and object‑oriented programming. - Experience with unit testing frameworks (e.g., JUnit, TestNG). - Ability to write clean, maintainable code and follow coding standards. - Knowledge of integration testing and debugging techniques. - Familiarity with version control systems (e.g., Git, SVN). - Good analytical and problem‑solving abilities. - Effective communication and teamwork skills. **Required Education & Certifications:** - Bachelor’s degree in Computer Science, Software Engineering, or a related field (or equivalent professional experience). - Relevant Java certifications (e.g., Oracle Certified Professional, Java SE) are a plus but not mandatory.

Boulogne-billancourt, France

On site

22-09-2025

Company Name

ALTEN

Job Title

Scientifique de données / Data Scientist

Job Description

**Job Title:** Data Scientist – AI/ML Developer **Role Summary:** Develop and deploy an end‑to‑end automated classification system for technical documents (PDF, CAD, etc.) using multimodal machine learning (text + image). Deliver a scalable pipeline that extracts content, trains models, and outputs categorized documents for improved data accessibility. **Expactations:** - Deliver functional prototypes within sprint cycles. - Produce clear technical documentation and user guides. - Collaborate with cross‑functional teams (engineering, data, QA). - Maintain code quality, version control, and best practices. **Key Responsibilities:** - Analyse project requirements and design optimal ML and cloud solutions. - Build data ingestion pipelines to extract text, metadata, and drawings from PDFs. - Develop, train, and validate multimodal classification models (Transformers, CNNs). - Deploy models on cloud platforms and monitor performance and costs. - Implement GPU optimization and cloud cost‑tracking. - Integrate LLMs and prompt engineering where appropriate. - Document architecture, code, and operation procedures. **Required Skills:** - ≥3 years professional experience in AI/ML development. - Strong Python skills; proficiency with Pandas, NumPy, scikit‑learn. - Proven work with multimodal models (text + image). - Experience extracting data from unstructured documents (PDF, CAD, OCR). - Knowledge of computer vision fundamentals and embedding techniques. - Familiarity with supervised and unsupervised learning algorithms. - Hands‑on experience with deep‑learning libraries (PyTorch, TensorFlow). - Experience deploying ML solutions on Azure, AWS, or Google Vertex AI. - Understanding of GPU optimization and cloud cost monitoring. **Required Education & Certifications:** - Bachelor’s or Master’s degree in Computer Science, Engineering, Data Science, or related field. - Relevant certifications (e.g., Microsoft Azure AI Engineer, AWS Machine Learning Specialty) are a plus.

Montreal, Canada

Hybrid

01-10-2025

Company Name

ALTEN

Job Title

Développeur front-end/Développeuse front-end

Job Description

**Job Title:** Front‑End Developer **Role Summary:** Design, develop, and maintain web application user interfaces, ensuring a smooth, accessible, and high‑performance user experience. Collaborate closely with product, UX/UI design, and back‑end teams to deliver responsive, cross‑browser solutions. **Expectations:** - Minimum 3 years of professional front‑end development experience. - Strong autonomy, attention to detail, and proactive problem‑solving. - Effective communication and teamwork skills. - Continuous learning mindset and interest in emerging front‑end technologies. **Key Responsibilities:** - Build web interfaces using HTML5, CSS3, and JavaScript (ES6+). - Implement designs from Figma, Adobe XD, etc., ensuring pixel‑perfect fidelity. - Develop with modern frameworks (React, Vue.js, Angular) and maintain component libraries. - Ensure responsiveness and cross‑browser/device compatibility. - Integrate REST or GraphQL APIs in collaboration with back‑end teams. - Contribute to front‑end architectural decisions and technical specifications. - Optimize performance metrics (load time, SEO, accessibility). - Write and maintain unit and functional tests; uphold code quality standards. - Stay updated on front‑end best practices and emerging tools. **Required Skills:** - Proficient in HTML5, CSS3, JavaScript (ES6+). - Hands‑on experience with at least one major framework (React, Vue.js, Angular). - Version control expertise (Git). - API integration experience (REST, GraphQL). - Familiarity with cloud platforms (AWS or GCP). - Knowledge of performance optimization, accessibility, and SEO basics. - Soft skills: rigor, independence, detail‑orientation, teamwork, clear communication, curiosity. **Required Education & Certifications:** - Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field (typically Bac +5 equivalent). - No specific certifications required; relevant certifications (e.g., AWS Certified Developer) are a plus.

Lille, France

On site

03-10-2025

Company Name

ALTEN

Job Title

Développeur/Développeuse

Job Description

**Job Title** Full Stack .NET Developer (Front Office Finance) **Role Summary** Design, develop, and maintain full‑stack C#.NET applications for front‑office trading and sales tools. Work closely with trading, structuring, and risk teams to translate business needs into robust technical solutions. Deliver high‑performance, scalable services using micro‑service architecture, and participate in continuous delivery pipelines. International relocation to Canada is required. **Expectations** * Minimum 5 years of full‑stack C#.NET development in a market‑finance environment. * Proven experience with front‑office trading, sales, or structuring applications. * Strong software design, performance tuning, and code‑quality practices. * Effective communication with business stakeholders. * Fluency in English (French a plus). * Willingness to relocate to Canada (Montréal or Toronto). **Key Responsibilities** 1. Architect and develop full‑stack solutions using C#.NET, .NET Core, ASP.NET, and Entity Framework. 2. Build responsive front‑end interfaces with Angular or React, TypeScript/JavaScript, HTML5, and CSS3. 3. Create RESTful and gRPC services; integrate with SQL Server, Oracle, and MongoDB. 4. Optimize application performance and system reliability. 5. Write unit tests, participate in CI/CD pipelines (Azure DevOps, Git), and enforce DevOps best practices. 6. Collaborate with trading, structuring, and risk teams to gather requirements and deliver technical specifications. 7. Contribute to micro‑service architecture and modern cloud deployments (Docker, Kubernetes). 8. Participate in Agile/Scrum ceremonies and deliver increments on schedule. **Required Skills** * C#.NET, .NET Core, ASP.NET, Entity Framework * Angular or React, TypeScript/JavaScript, HTML5, CSS3 * SQL Server, Oracle, MongoDB * REST API, gRPC, micro‑services architecture * Docker, Kubernetes, Azure DevOps, Git, CI/CD * Agile/Scrum methodologies * Performance optimization and code‑quality practices * Strong communication; English fluent (French a plus) **Required Education & Certifications** * Bachelor’s or Master’s degree (Bac+5) in Engineering, Computer Science, or equivalent. * Certifications in Azure DevOps, .NET, or related technologies are advantageous but not mandatory.

Paris, France

On site

03-10-2025