Data Engineer - Spark/Scala (H/F)

Join Talan as a Data Engineer specializing in Spark and Scala! We are looking for a passionate individual eager to work with big data solutions and deliver impactful results. In this role, you will design and implement efficient data pipelines, ensuring data quality and scalability. Collaborate with cross-functional teams to drive innovation and enhance our …

Devoteam seeks a Data Engineer with proven experience in Spark and Databricks for its Nantes office. The position centers on developing and maintaining data solutions that enable business intelligence and analytics for clients. Key responsibilities Design and build data pipelines using Spark and Databricks Improve workflow performance and reliability through optimization Ensure data integrity at every stage of the process Deliver accurate and timely insights to support client teams in data-driven decision-making Location This role is based in Nantes.

As part of the DatahubV2 development, we are seeking a skilled Data Engineer who is well-versed in Java, Spark, and modern data architectures.In this role, you will be a key member of the Data Foundation team, responsible for the construction, optimization, and reliability of data pipelines while ensuring adherence to best development practices and performance standards.Your main responsibilities:Design, develop, and optimize efficient data pipelines (batch processing, distributed computing).Implement Spark 3 processes running on Kubernetes (Spark as a Service).Manipulate DatahubV2 data using Starburst (Trino) with SQL.Build and orchestrate data workflows on Astronomer / Apache Airflow using Python.Conduct application integrations in Java (and potentially Scala depending on applications).Ensure the quality, performance, and reliability of data jobs.Contribute to the setup and maintenance of DevOps pipelines (Gitlab, Jenkins, ArgoCD…).Monitor and analyze application logs via ELK (Log as a Service).Collaborate with the Data Foundation team, leveraging and evolving internal Python libraries.Participate in the documentation and continuous improvement of DatahubV2 practices.

Metromakro is looking for a Commercial Associate (CDI F/H) to join the team in Nantes. This position works closely with the sales department and plays an important role in supporting both clients and colleagues. Key responsibilities Work with the sales team to help expand Metromakro’s presence in the market Assist with client communications and help maintain ongoing relationships Support business objectives by delivering attentive and consistent customer service Location This position is based in Nantes.

Join Talan as a Data Engineer and contribute to innovative data solutions that drive strategic decision-making. We are looking for a skilled professional who is passionate about data architecture, data modeling, and ETL processes. You will be responsible for designing, building, and maintaining robust data pipelines that ensure high-quality data availability for analytics and reporting.

Les termes utilisés au masculin incluent également le féminin pour assurer l’accessibilité et la clarté.Intégré au sein d'une équipe dynamique, vous serez chargé de :Modéliser des schémas de bases de données, qu'elles soient relationnelles ou non.Connecter des solutions ETL ou ELT à diverses sources de données, incluant fichiers, API, bases de données et flux en temps réel.Concevoir et mettre en œuvre des pipelines pour la transformation et la valorisation des données, tout en ordonnançant leur fonctionnement.Gérer et administrer les bases de données cibles ainsi que l'exposition de ces données.Créer des tableaux de bord à l'aide d'outils de visualisation de données.Outils techniques : Talend, Azure DataFactory/Synapse Analytics, Informatica, Qlik, PowerBI, Tableau, Cognos, Python.Bases de données relationnelles : SnowFlake, PostgreSQL, Oracle, SQL Server, Azure Database, Hive, ElasticSearch.

Qui sommes-nous chez SFEIR ? SFEIR est avant tout une communauté dynamique de 800 passionnés de technologie, répartis entre la France, la Belgique et le Luxembourg.Nous accompagnons nos clients dans : le développement d'applications web et mobiles ; la création d'architectures SI, Cloud et Data conçues pour l'avenir ; l'innovation grâce à l'IA avec des solutions concrètes ; la mise en place et la promotion des meilleures pratiques de développement.Et Nantes dans tout ça ? SFEIR Nantes c'est : 45 consultants unis par la même passion ; 4 Managers @Hoani , @Adrien ,@Valentin @Jean François plus de 15 clients locaux et plus de 120 à l'échelle nationale ; un bureau au sein de la Cantine Numérique, le cœur vibrant de l'innovation à Nantes.Notre force réside dans un modèle d'entreprise à taille humaine où les managers sont également des développeurs. Chaque membre de l'équipe contribue à l'animation de l'agence et ressent son appartenance à la communauté. Notre passion pour la technologie est palpable et nous renforçons notre expertise à travers des formations, souvent validées par des certifications.Nous sommes également présents lors d'événements technologiques régionaux et nationaux, ce qui renforce notre visibilité dans le secteur (DevFest, Devoxx, etc.).Chez SFEIR, notre seul critère est votre niveau technique et votre culture tech. Nous en discuterons plus en détail lors de l'entretien !Vos missions ...

Join the RCA Data Team, consisting of 18 dedicated professionals (Data Engineers, PMs, Analysts, ML specialists, developers, etc.), who are central to our product, cloud, and performance challenges.Your Role: Design, enhance, and maintain our data pipelines to serve both our internal users (decision support tools) and our external clients (APIs for accounting experts).Your Responsibilities:Design robust, scalable, and maintainable batch and streaming pipelinesContribute to the migration towards real-time processing (Kafka)Containerize Python environments and integrate them into CI/CD pipelinesDesign and implement data architecturesDeploy AWS components using Terraform in collaboration with the platform team (IAM, S3, EKS, ECS, etc.)Participate in establishing Data observability (logs, quality, monitoring)Support Data Analysts & PMs in industrializing solutionsAdopt a 'data as a product' mindset, closely aligned with user needsTechnology Stack & Environment:Cloud: AWS (IAM, S3, RDS, EKS, ECS, DMS…)Data Engineering: Airflow, DBT, Kafka, TerraformDevelopment: Python (Poetry, Pytest, Black), SQLStorage: Snowflake, PostgreSQLCI/CD: GitLab CIBI: Holistics, ThoughtSpotML Ops: initial implementation, collaboration with Data Scientist + ML EngineerChallenges & Projects:Gradual migration towards streaming (Kafka)Establishing data observability and governance solutionsAutomation and scaling on MLOps / generative AI topicsStrong product vision: data is a key business and operational lever

Your Mission:As a Data Engineer, you will be involved in the entire lifecycle and evolution of our two key applications: PDR & DWR.Analyze and develop new componentsContribute to projects, maintenance, and functional evolutionsEngage in RUN activities: business analysis, specification writing, testing, and overseeing production deploymentsFully address business and technical requirements for both applicationsIntegrate within an Agile environment (rituals, squad collaboration...)Technical Environments:PDR (Open Cloud): Oracle, Java / Spring Boot, DataStageDWR: Linux, SAS, Teradata, Mainframe schedulingDevOps: Advanced CI/CD, Git, Jenkins, GitLab CIDatabases: Oracle, Teradata

Join Talan as a Senior Data Analyst where you will leverage your analytical skills to drive data-driven decision-making across various projects. You will be responsible for analyzing complex datasets, developing reports, and providing insights that will optimize our consulting strategies. Collaborate with cross-functional teams to enhance overall performance and contribute to innovative solutions.

Join Assystem, a leading engineering and innovation consultancy, as an Experienced Panorama Engineer H/F in the vibrant city of Nantes. In this pivotal role, you will leverage your expertise to design and implement advanced data visualization solutions, enhancing decision-making processes for our esteemed clients.

Join asifr as a Microsoft Data Consultant, where you'll leverage your expertise in data analysis and Microsoft technologies to empower businesses with actionable insights. This part-time role is ideal for professionals looking to make a significant impact while maintaining a flexible work schedule.

Join Meritis as a Data Business Analyst and play a pivotal role in bridging the gap between business needs and technical solutions. In this full-time position, you will work closely with stakeholders to gather requirements, analyze data, and provide insights that drive strategic decisions.

About the Role Avisia is looking for a Data Scientist (H/F) to join the team in Nantes. Projects here are fully focused on data, combining technical depth with operational impact. Assignments can lean toward technical problem-solving or explore business-focused questions, depending on your skills and interests. Who We Work With Clients come from a range of industries, including luxury, retail, telecommunications, banking, and insurance. This variety means the data science work is always changing, with each project bringing its own set of challenges. Sample Projects Designing predictive models to forecast revenue for an e-commerce site (#Forecasting) Developing and deploying a recommendation engine to improve website visitor conversion (#Recommendation) Building churn scoring models to spot declining customers for a major retailer (#Churn) Segmenting customers to support targeted marketing and sales strategies based on channel preferences (#CustomerSegmentation) Location This position is based in Nantes, Pays de la Loire, France.

Join Talan as a Senior Analytics Engineer and play a vital role in transforming data into actionable insights. You will collaborate with cross-functional teams to develop robust analytics solutions that drive business decisions. Your expertise in data modeling, ETL processes, and visualization tools will be crucial in shaping our data strategy.

About Avisia Avisia focuses on data-driven projects that combine technical expertise with operational impact. Assignments vary based on experience and interests, ranging from technical problem-solving to projects with a strong business focus. Role Overview: Experienced Data Analyst (H/F) – Nantes This role offers the chance to contribute to projects across multiple sectors, including luxury, retail, telecom, banking, and insurance. Project themes are broad, reflecting the diverse needs of Avisia’s clients. Sample Projects Designing and rolling out executive reports for a long-term vehicle rental provider serving large companies. #Management Running targeted studies for retail brands, such as analyzing new product launches, examining brand cannibalization, and profiling customers who abandoned shopping carts. #CustomerInsight Helping redesign the targeting strategy for marketing campaigns at a luxury brand. #CRM Developing an application to identify and qualify bank clients, supporting them as they adapt to new Energy Performance Diagnosis requirements. #DataVisualization Location This position is based in Nantes, Pays de la Loire, France.

As a Python Data Scientist Developer, you will play a pivotal role in enhancing our Python platform. Your core responsibilities will include:Development and Programming: Contribute to the evolution of the architecture, develop new modules and libraries, and maintain existing software.Performance Improvement: Engage in continuous performance optimization, including prompt engineering and the development of AI processing chains.Deployment Pipelines: Master deployment pipelines to ensure seamless integration.Code Reviews: Play an active role in code reviews, fostering a culture of quality and collaboration.Collaboration: Work closely with business teams and analysts to translate business needs into innovative technical solutions.Project Leadership: Independently manage technical project oversight.Research and Innovation: Stay updated with the latest advancements in generative AI and propose innovative ideas for projects and enhancements.Documentation: Create clear and comprehensive technical documentation.

Join Sopra Steria, a leading European consultancy, as a Data Engineer in our innovative Data Factory team located in Nantes. In this role, you will harness your expertise to design, develop, and optimize data solutions that drive our financial services clients' success. Collaborate with cross-functional teams to enhance data-driven decision-making and contribute to transformative projects that shape the future of finance.

Join our dynamic team as a Workstation Engineer where you will be at the forefront of delivering high-quality IT solutions. You will work collaboratively with various departments to ensure seamless integration and functionality of workstation systems.

Join Segula Technologies as an Electrotechnical Engineer (H/F) in Nantes! We are seeking a talented and motivated individual to contribute to our innovative projects in the field of electrotechnics. You will be involved in the design and simulation of cutting-edge electrical systems, collaborating with a dynamic team of experts.Your role will include developing and testing electrical components, ensuring compliance with industry standards, and optimizing designs for performance and efficiency. If you have a passion for technology and a drive to excel in a fast-paced environment, we want to hear from you!