Data Test Lead

Join Altersolutions as a Data Test Lead, where you will spearhead our testing initiatives, ensuring the integrity and performance of our data systems. You will collaborate with cross-functional teams to develop testing strategies, execute test plans, and deliver high-quality data solutions. Your expertise will be instrumental in driving improvements and enha…

Role Overview nexton is hiring a Lead Test Data Management Specialist in Paris to guide data management efforts for projects in the Energy & Environment sector. This position focuses on ensuring that test data supports quality and efficiency standards across the organization. What You Will Do Oversee the creation, maintenance, and optimization of test data for various projects. Work closely with cross-functional teams to gather and clarify data requirements. Implement data management best practices to support testing and quality assurance. Promote continuous improvement in test data processes and methodologies. Who Succeeds in This Role Detail-oriented professionals with a strong interest in data management and quality assurance. Individuals comfortable collaborating across teams and driving process improvements. Those who take initiative and look for ways to optimize data management workflows. Location Paris

About the RoleAt Maki, we harness the power of data to drive innovation across our AI agents, enhance user experiences, derive customer insights, inform our internal strategies, and support predictive analytics. We are excited to welcome our first Data Lead who will establish our data foundation and play a crucial role in transforming data into a valuable product at Maki.This position is a builder role, where you will design systems, model data, reveal insights, and integrate AI into user interactions with information.Collaborating closely with our Product, Engineering teams, and Founders, you will help lay the groundwork for our long-term data strategy.Your ResponsibilitiesData FoundationsDesign, develop, and manage data pipelines (ingestion → transformation → serving).Take ownership of our data lake/warehouse and model high-quality production tables.Implement monitoring, testing, documentation, and governance practices to ensure data integrity.Data Exposure & InsightsManage dashboarding solutions (Looker, Metabase, or equivalent).Deliver reliable datasets and self-service analytics tools for stakeholders.Assist with customer SQL requests and conduct internal ad-hoc analyses.Construct the semantic layer to facilitate both internal and external insights.Data as a ProductCreate embedded data experiences within Maki’s products.Explore and implement AI-driven interfaces (natural language querying, automated reporting).Collaborate with the product team to transform raw data into customer value.

Nūmi is an innovative bioproduction platform utilizing human mammary cells to create essential ingredients with scientifically validated health benefits throughout all stages of life. Specifically, we are the pioneering European cultivated breast milk company, focused on generating human milk components that closely align with optimal nutrition for infants! As a dynamic early-stage startup, we are on a mission to transform how we nourish the next generation. If you're looking to be part of a rapidly growing, venture capital-backed biotech startup, Nūmi could be your next great opportunity!Situated in the heart of Paris (Hôpital Cochin, Paris 14), Nūmi is supported by esteemed international investors, leading scientists, and prominent academic institutions.Our Culture & Values Positivity: We foster a positive environment at Nūmi, where our mission encourages passionate and energetic communication, always keeping our larger impact in focus. We celebrate small victories but remain committed to our ultimate goals.Excellence: At Nūmi, we define excellence through dedication and a continuous improvement mindset. We view challenges as opportunities to learn and strive for high-quality outcomes. Our growth is driven by effort, attention to detail, and integrity, both as individuals and as a team.Teamwork and Pedagogy: We believe that collaboration strengthens us at Nūmi. We promote knowledge sharing, constructive feedback, and mutual respect, ensuring that every team member contributes to our collective success.Ambition: We set bold goals and encourage expansive thinking at Nūmi. Driven by innovative ideas and determination, we aim high to create meaningful change.Why This Role MattersIn our work at Nūmi, the capacity to identify “golden” cell lines, batches, and conditions relies heavily on our ability to effectively collect, organize, and leverage our data, rather than merely increasing the volume of experiments.Currently, our experimental data encompasses:Electronic Lab Notebook (ELN) entriesSpreadsheetsBioreactor and equipment outputsAnalytical and Quality Control (QC) readoutsThis position is essential for transforming our fragmented data landscape into a cohesive, reliable, and actionable data layer that empowers R&D, informs scale-up decisions, and supports regulatory and industrialization initiatives.As a Lead Data Scientist, you will be a pivotal contributor to advancing scientific progress at Nūmi.Your ResponsibilitiesEstablish Nūmi’s Scientific Data InfrastructureOversee the development of scalable data models and ontologies that accurately reflect experimental workflows, metadata standards, and the scientific landscape.Facilitate the harmonization and integration of data across ELNs, spreadsheets, instruments, assays, and analytical systems into a centralized, user-friendly platform.

The RoleJoin amo as a Lead Data Analyst, where you will take charge of analytics across our growth and product domains. Collaborate closely with teams in growth marketing, product development, engineering, and leadership to define success metrics, harmonize data across various platforms, and transform complex data inputs into clear, reliable insights.This position is both tactical and strategic: you will engage in hands-on analysis while establishing the standards for data definitions.Your ResponsibilitiesLead comprehensive analytics for growth strategies encompassing acquisition, activation, retention, and experimentation.Work intimately with growth marketing teams at scale to evaluate channel performance, attribution, funnels, and cohort behavior.Validate and reconcile data from multiple sources (e.g., marketing platforms, analytics tools, internal databases) to create a dependable source of truth.Design, construct, and sustain dashboards and reporting tools that inform both daily operations and long-term strategies.Establish and standardize essential metrics, naming conventions, and data definitions for cross-team consistency.Conduct advanced analyses including funnel analysis, cohort analysis, experimental assessments, and trend investigation.Translate complex inquiries into structured analyses and articulate insights effectively to both technical and non-technical stakeholders.Mentor and coach fellow analysts as the team expands, enhancing analytical rigor, clarity, and impact.Qualifications5+ years of experience in data analytics, business intelligence, or a related field.Proven experience collaborating with growth marketing teams at scale (paid, organic, lifecycle, or multi-channel growth).Strong proficiency in SQL and comfort working with large, imperfect datasets.Demonstrated ability to reconcile data across various tools and platforms, identifying inconsistencies, gaps, and quality issues.Familiarity with BI and analytics tools (e.g., Looker, Tableau, Mode, Amplitude, GA, or similar).Proven ability to independently define project scopes, prioritize tasks, and drive analyses from inquiry to insight.Excellent written and verbal communication skills, particularly in conveying complex data insights.

nexton is looking for a Lead Data Engineer / Machine Learning Specialist to join its Paris team. This role centers on developing and refining data solutions that help achieve business objectives and improve daily operations. Key responsibilities Design and construct data pipelines for analytics and machine learning projects Enhance data flows to ensure reliability and efficiency Collaborate with teams throughout the company to align data efforts with strategic goals Use machine learning techniques to uncover insights and inform business decisions What to expect at nexton Projects at nexton rely on the intersection of data and technology to create measurable business results. The team values teamwork and practical approaches that deliver real impact.

We are seeking a talented and innovative Lead Data Architect to join our dynamic team at RTE1 in Paris. In this pivotal role, you will spearhead the development and implementation of advanced data architecture solutions, ensuring the integrity, quality, and security of our data systems.Your expertise will guide our data strategy, supporting critical business decisions and ensuring our data infrastructure is scalable and robust. If you are passionate about data architecture and eager to lead a talented team, we want to hear from you!

Role overview Nexton seeks a Senior Data Consultant & GDPR Specialist in Paris. This role centers on helping clients navigate data management challenges and regulatory demands, with a particular focus on GDPR compliance. The position aims to support organizations in meeting data protection requirements while strengthening their overall data strategies. What you will do Collaborate with clients and stakeholders to identify their data management priorities Review and analyze current data processes and regulatory systems Apply best practices in data governance and ensure GDPR compliance Provide actionable recommendations to guide client decisions Help improve operational efficiency by refining data practices Location This role is based in Paris.

Join Labelium as a Lead Data Consultant, where you'll leverage your expertise to drive data strategies and solutions for our clients. Collaborate with diverse teams and engage in innovative projects that challenge your analytical skills. If you are passionate about data and eager to make an impact in a dynamic environment, we want to hear from you!

About MistralMistral is dedicated to democratizing artificial intelligence, creating cutting-edge intelligence accessible to all, developed transparently by engineers worldwide.We are a vibrant and collaborative team, passionate about harnessing AI's potential to transform society. Our diverse workforce excels in competitive environments and is committed to driving innovation, with teams spread across Europe, the USA, and Asia. We value creativity, humility, and teamwork.At Mistral, we focus on developing models for enterprises and consumers alike, aiming to create systems that truly revolutionize business operations and seamlessly integrate into daily life. Our commitment includes releasing cutting-edge models as open-source for everyone to experiment with and benefit from.We are currently seeking passionate Data Quality Specialists with exceptional analytical skills and an acute attention to detail to join our Human Data Annotation team within the Science organization. In this pivotal role, you will be responsible for contributing to and auditing human data annotations, ensuring that we uphold the highest standards of quality and efficiency.

We are seeking a dynamic and experienced Lead Technique Specialist to join our innovative team at myjobcompany1. In this pivotal role, you will lead technical initiatives, drive process improvements, and collaborate closely with cross-functional teams. Your expertise will be essential in ensuring the highest quality standards and optimizing operational efficiency.

About fifty-five:fifty-five is an innovative data company that empowers brands to leverage data for enhanced marketing, media, and customer experience through a blend of specialized consulting and technology services.As a key player in the Brandtech Group, we provide services that merge strategic consulting, cloud solutions, media advice, and customer experience expertise.With over 320 digital experts, including consultants, tracking specialists, media professionals, engineers, and data scientists, we collaborate closely to deliver top-notch marketing insights and technical support to brands across various industries worldwide.Partnering with advertisers from data collection to activation, we help organizations become true omnichannel entities, mastering the effectiveness of their digital ecosystem and its synergies with the physical world.Based in Paris, we operate across three time zones from our 10 offices located in Paris, London, Geneva, Milan, Shanghai, Hong Kong, Shenzhen, Taipei, Singapore, and New York. fifty-five values the well-being of its employees, earning a spot in the Best Workplaces France ranking in 2018.We firmly believe that the work environment is a key element of employee well-being, and we strive to provide excellent working conditions for our team members. Humility, a sense of humor, and strong interpersonal skills are shared values among us!Context:Within the Consulting team, you will oversee and actively participate in missions undertaken by fifty-five on behalf of its clients, playing a pivotal role in the development of our Data Science offerings.These missions involve implementing advanced marketing activations to deliver Marketing use cases focused on Machine Learning & AI, while incorporating business requirements with the goal of relevant activation.You will report to the managing director of one of fifty-five's consulting teams and work closely with experts and other consultants in the company.Responsibilities:You will lead a team, and your responsibilities will include (list not exhaustive):Addressing client needs,Collaborating with the team to develop fifty-five's Data Science offerings, both in marketing and technical or operational aspects;Contributing to the team's business development efforts;Providing technical expertise in the development of large-scale Data projects;Ensuring effective communication between clients and fifty-five's internal technical teams, coordinating activities...

Role Overview Magellan Partners is seeking a PMO Governance Data Specialist to support digital transformation projects within the luxury retail sector. This position is based in Paris. What You Will Do Establish and maintain project governance processes to support data-driven initiatives Monitor and track project performance metrics Work closely with cross-functional teams to ensure data integrity and accurate reporting Help align project governance with broader business objectives About Magellan Partners Magellan Partners is a consultancy focused on digital transformation and innovation, with deep experience in the luxury retail sector.

Join RWS as an AI Data Specialist where you will play a pivotal role in enhancing AI-driven solutions. This position requires proficiency in French and involves data annotation, validation, and management tasks to support our innovative projects.

Avisia engages with clients on 100% data-focused missions that blend technical and organizational dimensions. Depending on your profile and interests, you will have the opportunity to work on projects related to the structuring and management of data governance, linked to strategic and operational challenges.Our clients come from diverse sectors (Luxury, Retail, Telecom, Banking, Insurance, etc.), and the themes of data governance that you may work on are varied. Here are some current topics:Framework and deployment of a data catalog for improved organization and traceability of data assets, #DataCatalogingEnhancement and monitoring of data quality through dedicated alerting tools and processes, #DataQualityReference for a data domain focusing on quality, knowledge, and change management, #DataStewardSupport for Data Stewards and business units in implementing data governance actions, #SupportManagement and harmonization of reference data across data domains, #MasterDataManagementAssistance to teams responsible for compliance and data protection (GDPR, etc.), #Privacy

Theodo Group: A Journey of Innovation and SuccessSince 2009, Theodo has been dedicated to supporting innovative companies in the design, development, and deployment of ingenious digital products, leveraging the best of technology and Lean methodologies.With over 15 years of exceptional growth, Theodo has expanded to a team of more than 700 passionate software engineers committed to continuous improvement. As we scale, we have structured ourselves into specialized units focused on various technologies (Theodo Apps, Theodo Cloud, Theodo Data & AI) and industries (Fintech, Govtech, Healthtech, Consumer Products Goods). By 2025, Theodo aims to achieve a revenue of €100 million.Established in 2016, Theodo Data & AI serves as the data and AI division of Theodo. Our goal is to partner with clients in shaping and deploying their data strategies, as well as researching and developing state-of-the-art AI solutions.The company is experiencing rapid growth, with Theodo Data & AI recording an annual revenue increase of over 30%, creating exciting new opportunities for our team!Why We Are Hiring a Lead Data Software Engineer?To contribute to the growth of Theodo Data & AI and to strengthen our Data Software Engineering teams, we are seeking an experienced professional.

Join Our Team as an Autonomous Vehicle Test OperatorAt Terry Soot Management Group (TSMG), we are pioneers in field data collection, established in 2017 in Europe. We specialize in gathering data in environments where automation is unfeasible. Our dedicated teams traverse Europe, North America, and Asia to provide invaluable insights through feature counting, photography, videography, speech recording, and meticulous area scanning.Role Overview:The Autonomous Vehicle Test Operator will play a crucial role in the operation and assessment of self-driving vehicles. This position entails collecting data, providing constructive feedback, and delivering ride-hailing services to the public. Join us to help revolutionize transportation!

About fifty-five:fifty-five is an innovative data company that empowers brands to leverage data for enhancing marketing, media, and customer experience through a unique blend of specialized consulting and technology services.As a key data and marketing pillar of the Brandtech Group, we offer services that integrate strategic consulting, cloud services, media consulting, and customer experience.With over 400 digital experts, including digital consultants, tracking and media specialists, engineers, and data scientists, fifty-five collaborates closely to deliver top-tier marketing advice and technical support to brands across various industries globally.We partner with advertisers from data collection to activation and utilization, helping organizations evolve into true omnichannel entities that master the efficiency of their digital ecosystems and their synergies with the physical world.Headquartered in Paris, we operate across three time zones from our ten offices located in Paris, London, Geneva, Milan, Shanghai, Hong Kong, Shenzhen, Taipei, Singapore, and New York. fifty-five places significant emphasis on the well-being of its employees, which has earned us a spot in the Best Workplaces France ranking in 2018.We firmly believe that the work environment is a key component of employee well-being, and we strive to provide excellent working conditions for our Fifty Fivers. Humility, a sense of humor, and human qualities are shared values among all!Context:Following an intensive training phase at our Paris office, you will join a team of experts dedicated to ensuring the quality and reliability of data collection for fifty-five's clients.Responsibilities:Utilizing your technical expertise in web analytics solutions and Tag Management Systems (TMS), you will undertake a variety of assignments for our clients.Your role will involve:Implementing the technical phase of tracking for clients' websites/mobile apps, from requirement gathering to actual data collection, ensuring its quality and reliability;Managing projects directly with clients (overseeing progress, planning, testing strategy, deliverables) concerning data collection issues in Analytics and Media;Sharing your knowledge and expertise both with clients and internally;Maintaining consistent communication with various stakeholders on the client/integrator side;Developing sharp operational know-how (TMS & Analytics);Identifying new business opportunities...

Join nexton as a Data Management & Governance Specialist in the dynamic field of Asset Management! In this role, you will be instrumental in establishing robust data governance frameworks and ensuring the integrity and accessibility of data across various asset management platforms.We are looking for a detail-oriented professional with a passion for data quality and compliance. You will collaborate with cross-functional teams to implement best practices, optimize data management processes, and support strategic decision-making.

Project OverviewJoin our innovative team at tsmg as an Automotive Test Driver! We are seeking dedicated and safety-conscious drivers to participate in a long-term, field data collection project spanning various locations across Europe. You will play a crucial role in operating project vehicles and adhering to specified routes and driving scenarios as directed by our client.This project aims to gather high-quality driving data to aid in the development and testing of cutting-edge automotive technologies. Your journey will commence with a comprehensive training and testing phase, followed by ongoing daily driving operations.