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## Job details - Location: 1er-Arrondissement, Lyon - Work mode: Onsite - Employment type: Full-time (Not an internship) - Salary: Salary details are available in the employer description. ## Role overview Collective.work is hiring a Lead Tech Data Engineer specializing in Python and Spark for a permanent position in Lyon's 1st Arrondissement. This senior role combines technical leadership with hands-on data engineering, focusing on building scalable data pipelines, APIs, and analytics solutions within an Agile team. The position requires expertise in Python development, big data processing with Spark, and the ability to guide technical decisions across multiple data processes. ## Job details This is a full-time, permanent (CDI) position based onsite in Lyon, France. The role involves leading data engineering initiatives in a collaborative environment that bridges data engineering and data science. Salary details are available in the employer description. Candidates should have strong experience with Python, Apache Spark, data pipeline architecture, and technical leadership in data-focused teams.

## Job details - Location: 8ème Arrondissement, Paris - Work mode: Onsite - Employment type: Full-time (Not an internship) - Salary: Salary details are available in the employer description. ## Role overview Collective.work is hiring a DevOps Data Engineer to industrialize and automate the deployment of Mistral AI platforms in secure on-premise environments in Paris's 8th Arrondissement. This full-time, onsite role focuses on building robust infrastructure, implementing managed services, and ensuring compliance with security and governance standards. The position requires expertise in platform automation, architecture design, and operational excellence. ## Job details This is a full-time permanent contract (CDI) position based onsite in 8ème Arrondissement, Paris, France. The role involves working with cutting-edge AI infrastructure and contributing to the design and deployment of Mistral AI solutions. Salary details are available in the employer description. Candidates will collaborate with cross-functional teams to deliver scalable, secure data platforms.

## Job details - Location: La-Madeleine, Lille - Work mode: Onsite - Employment type: Full-time (Not an internship) - Salary: EUR 57,000 per year ## Role overview Collective.work is hiring a Data Engineer / Data Scientist for a permanent position (CDI) with a leading enterprise client in La-Madeleine, near Lille, France. This onsite role offers €57,000 annually and requires professional English proficiency alongside strong data engineering and visualization skills. The position focuses on cloud-based data transformation, backend development, and business intelligence using modern tools like Power BI, Python, SQL, and FastAPI. ## Job details This is a full-time, permanent (CDI) position located in La-Madeleine, Lille, France. The role is onsite and offers a competitive salary of €57,000 per year. You will work within a large enterprise environment, building data pipelines, creating visualizations, and developing backend APIs in a cloud infrastructure. Professional-level English is required for collaboration with international teams.

## Job details - Location: 8ème Arrondissement, Paris - Work mode: Onsite - Employment type: Freelance (Not an internship) - Salary: Salary details are available in the employer description. ## Role overview Our client, a major international healthcare organization, is seeking a freelance System Engineer to join their Digital & Data division in Paris, 8ème Arrondissement. You will work on Elements, an internal design system platform used by product, design, and engineering teams across Barcelona, Toronto, and Hyderabad. This is a contract position supporting a global digital transformation initiative, offering the opportunity to shape a critical platform that goes beyond component libraries. ## Job details This is a freelance, contract role based onsite in Paris, 8ème Arrondissement. The position is not an internship. Salary details are available in the employer description. You will collaborate with distributed teams to evolve and maintain a sophisticated design system platform that serves as the foundation for consistent user experiences across the organization's digital products.

## Job details - Location: 8ème Arrondissement, Paris - Work mode: Onsite - Employment type: Freelance (Not an internship) - Salary: Salary details are available in the employer description. ## Role overview Collective.work is seeking a Tech Lead Full Stack IA for a freelance engagement in Paris's 8th arrondissement. This leadership role focuses on accelerating an AI transformation program and industrializing an internal platform. The position requires technical and operational guidance for delivering AI use cases and business products within a complex, cross-functional, and rapidly evolving environment. This is a freelance, onsite opportunity for an experienced full stack leader with AI expertise. ## Job details **Location:** 8ème Arrondissement, Paris, France – Onsite **Employment type:** Freelance **Salary:** Details available in employer description The Tech Lead will supervise a full stack development team integrated within an R&D unit, participate in architectural and technology decisions, and drive the delivery of AI-driven products. Strong experience in full stack development, AI platform industrialization, and team leadership is essential.

## Job details - Location: 8ème Arrondissement, Paris - Work mode: Onsite - Employment type: Freelance (Not an internship) - Salary: Salary details are available in the employer description. ## Role overview Collective.work is seeking a Senior Full Stack AI Developer for a freelance engagement in Paris's 8th arrondissement. This role involves strengthening the R&D team of a major corporate group by developing and industrializing an internal AI platform. The position is Freelance and Onsite, requiring close collaboration with technical and operational teams on product delivery and AI use case implementation. ## Job details This is a Freelance, Onsite position based in 8ème Arrondissement, Paris. The developer will join an integrated team working directly with the client's R&D division to build product components for an AI transformation program. Salary details are available through the employer. The role focuses on full stack development with AI integration, platform industrialization, and delivering production-ready AI solutions.

## Job details - Location: Drôme, Auvergne-Rhône-Alpes - Work mode: Hybrid - Employment type: Full-time (Not an internship) - Salary: EUR 40,000 - 45,000 per year ## Role overview Collective.work is hiring a Mobile Developer specializing in React Native and Kotlin to join their technical team in Valence, France. This Mid level position offers the opportunity to build impactful mobile applications with modern architecture, working in a hybrid environment with 2 days remote per week. The role requires a minimum of 3 years of mobile development experience and offers competitive compensation between €40,000 and €45,000 annually. ## Job details This is a Full-time permanent contract (CDI) position based in Valence, Drôme, Auvergne-Rhône-Alpes region. The work mode is Hybrid with 2 days of remote work per week. The salary range is €40,000 to €45,000 EUR per year. You will contribute to technical decisions, participate in architecture choices, and develop mobile applications that deliver real value to end users in a collaborative and modern development environment.

## Role overview Support the development and industrialization of data-driven products and machine learning solutions for supply chain optimization. Lead end-to-end ML project lifecycle from proof-of-concept to minimum viable product deployment using cloud-native architectures. Collaborate with cross-functional teams to implement scalable machine learning pipelines on AWS infrastructure. Focus on operationalizing AI models while maintaining high standards of data governance and system reliability.