Fullstack Java Developer (H/F)

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.

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.

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 data strategy.

Join our dynamic team at asifr as a Senior Java Developer and Tech Lead! We are seeking a highly skilled and experienced individual who is passionate about technology and innovation. In this role, you will lead projects, mentor junior developers, and contribute to the architectural design of our software solutions.Your expertise in Java will be pivotal in creating robust applications that meet the needs of our clients. If you are looking to take the next step in your career and make a significant impact, we want to hear from you!

Who is SFEIR? At SFEIR, we are a vibrant community of 800 tech enthusiasts across France, Belgium, and Luxembourg, driven by our passion for technology.We assist our clients in: Developing innovative web and mobile applications; Designing resilient IT, Cloud, and Data architectures; Pioneering AI solutions that deliver real value; Implementing and advocating best development practices.So, what about Nantes? SFEIR Nantes features: A team of 45 dedicated consultants sharing the same passion; 4 Managers: @Hoani , @Adrien , @Valentin, @Jean François Over 15 local clients and 120+ nationwide; Located in the Cantine Numérique, the “Silicon Valley” of Île de Nantes.Our strength lies in our human-scale business model where managers are also developers. Everyone has a role in contributing to the agency's vibrancy, ensuring they feel a part of the team. Our shared passion for technology drives us to continuously enhance our expertise through training, often validated by certifications.We actively participate in regional and national tech events, reinforcing our presence in the community (DevFest, Devoxx, …).At SFEIR, we focus primarily on your technical skills and tech culture. Let’s discuss that further!

Sopra Steria is seeking a Data Engineer with strong PySpark experience to join its financial services team in Nantes. This position centers on building and improving data pipelines that are essential to business operations. Role overview As a Data Engineer, the main responsibility is to design, develop, and optimize data pipelines using PySpark. Collaboration with cross-functional teams is a key part of the role, ensuring that data solutions align with business needs in the financial sector. What you will do Develop and maintain efficient data pipelines with PySpark Work closely with colleagues from various departments to deliver reliable data solutions Support business-critical functions through robust data engineering practices Requirements Professional experience as a Data Engineer Expertise in PySpark Background in financial services is preferred Ability to work onsite in Nantes

Join Rydge as an Experienced Accounting Collaborator (F/H) in Nantes! We are seeking a motivated and detail-oriented accounting professional to enhance our team. In this role, you will manage financial records, prepare reports, and assist in budgeting and forecasting. Your expertise will contribute to our commitment to excellence and customer satisfaction.

Join our dynamic team as a Fullstack Developer specializing in Java and Angular. We are seeking a talented individual with a passion for technology and a drive for continuous improvement. You will be responsible for developing robust applications, collaborating with cross-functional teams, and ensuring high-quality deliverables.

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.

What is SFEIR? At SFEIR, we are a vibrant community of over 800 tech enthusiasts across France, Belgium, and Luxembourg, united by our passion for technology.We assist our clients in: Developing innovative web and mobile applications; Crafting robust, future-proof IT, Cloud, and Data architectures; Innovating with AI through concrete solutions; Implementing and promoting best development practices.And what about Nantes? SFEIR Nantes is characterized by: A team of 45 passionate consultants; 4 dedicated Managers: @Hoani, @Adrien,@Valentin@Jean François More than 15 local clients and over 120 nationally; An office located within the Cantine Numérique, the 'Silicon Valley' of the Île de Nantes.Our strength lies in our human-scale business model where managers are also developers. Everyone has a role in contributing to the agency's dynamics and feels a sense of belonging to the team. Our passion for technology drives us, and we continuously enhance our expertise through training, often validated with certifications.We actively participate in regional and national tech events, reinforcing our presence in the community (DevFest, Devoxx, …).At SFEIR, our only criterion is your technical level and tech culture. Let’s discuss that further! How we will help you progress:

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 our dynamic team at Scalian as a Java Development Engineer specializing in DevOps. Based in the picturesque region of Nantes/Vannes, you will play a pivotal role in shaping our infrastructure and cloud solutions.Your mission will include developing and deploying robust applications, ensuring seamless integration and delivery, and collaborating with cross-functional teams to enhance our DevSecOps practices.

Join Casavo as an Experienced Real Estate Agent in Nantes, where you will leverage your expertise to assist clients in navigating the property market. You will be responsible for guiding buyers and sellers through the entire real estate transaction process, ensuring a smooth and successful experience.Your role will include conducting market analysis, presenting properties, and negotiating deals while maintaining strong relationships with clients. As a vital member of our dynamic team, you will contribute to our mission of transforming the real estate experience.

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.

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.

We are seeking a dynamic and experienced Lead Java Developer to join our innovative team at Magellan Partners. In this role, you will lead the development of complex Java applications, collaborate with cross-functional teams, and mentor junior developers. Your expertise will be crucial in driving the success of our projects and delivering high-quality software solutions.

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 our dynamic team at Inetum as a Senior Java Developer. We are looking for a skilled professional who can contribute to exciting projects while leveraging their expertise in Java development. You will collaborate with a talented group of developers and work on innovative solutions that meet our clients' needs.