Data & Cloud Engineer (H/F) at fifty-five | Paris

Join fifty-five, an innovative data company that empowers brands to leverage data for enhanced marketing, media, and customer experience through a unique blend of consulting and specialized technology services.As a vital part of the Brandtech Group’s data and marketing team, we provide services that merge strategic consulting, cloud solutions, media consulti…

Join our dynamic team at Scalian as a Proxy Product Owner specializing in the Agile Power Platform. In this pivotal role, you will collaborate closely with cross-functional teams to drive product vision and execution. Your expertise will help shape the development of innovative solutions, ensuring alignment with customer needs and business objectives.As a leader in the Agile space, you will empower teams to adopt best practices, enhance workflows, and continuously improve processes. Your contributions will be critical in delivering high-quality products that meet market demands.

About LedgerAt Ledger, we are a team of innovators dedicated to redefining digital ownership. Our mission is to empower individuals and enterprises alike through secure management of their assets, ensuring that technology is accessible for everyone. We envision a future where users, creators, and businesses have full control over their value. Driven by curiosity and a commitment to continuous improvement, we seek to inspire global change and support our team in challenging the status quo to develop cutting-edge solutions. Join us in making self-custody not only attainable but also a fundamental right.With our headquarters in Paris and a presence in several global cities including London, Geneva, and Singapore, Ledger stands as the leading platform for digital assets and Web3. We proudly secure over 20% of the world's crypto assets through our innovative Ledger devices, with more than 7.5 million units sold across 200 countries.The Team:Ledger Wallet serves as our flagship application, built on an Open Source monorepo utilizing React, Electron (Desktop), and React Native (Mobile). It supports various blockchains and integrates multiple decentralized applications (DApps).As part of the Platform Team, you will be integral to laying the groundwork for Ledger Wallet. Our focus extends beyond feature development; we construct the infrastructure that empowers other teams to deliver enhancements swiftly and securely.We are in search of a Senior Engineer to take ownership of our tech stack, refine our monorepo architecture, and facilitate the transition to micro-frontends. Your primary audience will be fellow developers, as you prioritize tooling, build speed, and overall Developer Experience (DX).

Join ScorePlay, the leading AI media platform in sports dedicated to enhancing the connection between clubs, athletes, and fans. We collaborate with over 270 clubs, leagues, and federations, including prestigious names like Ligue 1, Premier League, NBA, NFL, Tour de France, Australian Open, UEFA, and FIBA. Our mission is to transform every significant moment, both on and off the field, into engaging content that strengthens community ties.Since our inception in 2021, our dynamic 45-member team has expanded rapidly, achieving a remarkable 3x growth year over year and an almost 100% retention rate. With over $20M raised from prominent investors, including Alexis Ohanian and elite athletes like Kevin Durant and Raphaël Varane, we are making significant strides in the sports media industry.If you have a passion for sports and thrive in a fast-paced work environment, we invite you to help us redefine how future generations experience sports. This is an exceptional opportunity to join a company poised to become the global leader in sports media. OverviewWe are seeking a talented Senior Back-end Engineer to become a pivotal member of our Video Production team, which is central to ScorePlay's innovative platform.In this role, you will take charge of the back-end services that drive our video processing and media automation systems, ensuring they are robust and efficient.This is a unique opportunity for an individual who desires autonomy and impact in their work, ready to take full responsibility for their projects while collaborating across product, video, and front-end teams. What You Will Work On:Backend DevelopmentDesign, develop, and maintain back-end services, APIs, and data pipelines using Go and related technologies.Monitor system performance and reliability to ensure scalable and maintainable solutions.Data & DatabasesDesign and optimize database schemas, queries, and indexing for efficient data storage and retrieval.

Join our dynamic team at asifr as a Power Platform Consultant in Paris! We are looking for a passionate professional who thrives on delivering innovative solutions to enhance business processes and drive digital transformation. You will collaborate with clients to understand their needs and provide tailored solutions using the Microsoft Power Platform.

Your Impact Join our dynamic Data and ML Platform team as a Senior Staff DataOps Engineer. Your role will be pivotal in defining our data platform strategy and architecture, facilitating enterprise-scale solutions that propel machine learning initiatives, foster engineering excellence, and unveil critical business insights. As part of the tech team at Doctolib, you will contribute to the development of innovative products and features that enhance the daily experiences of care teams and patients. What You’ll Build Your key responsibilities will include: Crafting and executing enterprise-scale data infrastructure strategies, performing comprehensive impact and cost analyses for significant technical decisions, and establishing architectural standards across the organization. Creating and optimizing intricate, multi-region data pipelines capable of processing petabyte-scale datasets, ensuring 99.9% reliability, and implementing advanced monitoring and alerting systems. Spearheading cost analysis initiatives, pinpointing optimization opportunities within our data stack, and executing solutions that minimize infrastructure costs while enhancing performance and reliability. Offering technical leadership to data engineers and cross-functional teams, conducting architecture reviews, and promoting the adoption of best practices in DataOps, security, and governance. Assessing emerging technologies, performing proof-of-concept for new data tools and platforms, and guiding the technical roadmap for data infrastructure modernization. What You’ll Bring If you feel your skill set aligns with this role, we encourage you to apply even if you don’t meet every qualification outlined below: 7+ years of experience in a similar role, such as Staff Data Platform Engineer, Staff DataOps, or Staff Site Reliability Engineer, with a proven track record in architecting and scaling robust data platforms. In-depth experience with Google Cloud Platform, and proficiency in Kubernetes & Terraform for automated deployments, alongside expertise in network and IAM security best practices. Strong technical skills in orchestrating data pipelines using Airflow or Dagster, deploying applications to the cloud, and leveraging modern data tools effectively.

Join Us as a Power Platform Architect & AI Copilot Specialist!Play a pivotal role by leveraging your expertise in Microsoft technologies throughout our IT project phases.Be accountable for the design, implementation, and governance of advanced Microsoft solutions, including innovative uses of Copilot Studio and the Power Platform.Engage in all project phases, from pre-sales to delivery, guiding our clients in their digital transformation journey.Architecture & Technical ExpertiseDesign and facilitate architecture workshops, technical scoping, and collaborative development sessions with business teams.Audit existing environments and analyze client requirements.Define sophisticated, modular, and secure Power Platform architectures (ALM, governance, DLP, performance, integrations).Propose and implement comprehensive solutions utilizing: Power Apps, Power Automate, Power Pages, Dataverse, Entra ID, Graph API, Power BI, and other Microsoft 365 components.Oversee technical implementation and ensure coherence of technical proposals throughout projects.Project Management & DocumentationCreate and maintain technical documentation (HLD, LLD, architecture files, diagrams).Lead projects, mentor technical teams, and engage in pre-sales activities.Ensure active technological vigilance on the Microsoft ecosystem, especially regarding Power Platform and AI.AI & Copilot InitiativesGuide clients in their AI strategy.Establish standards and best practices surrounding AI.Design and deploy solutions based on Microsoft Copilot Studio and Copilot for M365.

Join our team as an Engineering Manager in the OREO (Observability Reliability Engineering Obsession) group within Platform Engineering. Your primary objective will be to lead our Reliability & Observability team, driving the advancement of Doctolib's observability platform to support our rapid service expansion while nurturing a high-performing Site Reliability Engineering (SRE) team.In the tech team at Doctolib, you'll help create innovative products and features that enhance the daily experiences of care teams and patients. Our work is conducted within agile feature teams, collaborating closely with product, design, and business units.Your leadership will guide a team of Site Reliability Engineers responsible for defining Doctolib's observability strategy, ensuring our platform is reliable, debuggable, and scalable. This role requires a blend of people management, technical leadership, and strategic foresight, with a specific emphasis on developing organizational expertise in logging, metrics, tracing, and alerting.Moreover, your team will manage essential transversal services that facilitate secure and scalable infrastructure management across the organization, utilizing tools such as HashiCorp Vault for secrets management and Terraform Enterprise for infrastructure as code.

Join ScorePlay, the leading AI media platform for sports that empowers clubs, athletes, and fans to create engaging content. We collaborate with over 270 clubs, leagues, and federations globally, including top-tier organizations like Ligue 1, Premier League, NBA, and NFL, transforming every notable moment into compelling stories that connect communities.Founded in 2021, our 45-member team, based in Paris and New York, has experienced tremendous growth, tripling in size year over year with nearly 100% retention. Our innovative platform, backed by over $20M from prominent investors such as Alexis Ohanian and celebrated athletes like Kevin Durant and Giannis Antetokounmpo, is reshaping the future of sports media.If you possess a deep passion for sports and thrive in fast-paced environments, this is your opportunity to influence how the next generation of fans engages with sports. We are on a journey to become the global leader in sports media, and now is the perfect time to join us. OverviewAs we enter a pivotal phase of growth, we seek our first Engineering Manager to collaborate with our CTO, Xavier, and Head of Engineering, Alex, to establish a robust engineering structure while nurturing mentorship and ensuring the team delivers high-quality outcomes without compromising our unique culture. Key Responsibilities:Team Leadership & GrowthManage and guide a team of 4–6 engineers, fostering their professional development.Conduct regular 1:1s, code reviews, and project check-ins to support junior and mid-level developers.Create an environment that promotes technical excellence, collaboration, and psychological safety, encouraging continuous learning.Establish clear career paths and growth frameworks to help your team flourish as we expand.Technical Delivery OwnershipLead and enhance the delivery processes of engineering projects, ensuring timely and high-quality outcomes.

Join Dashlane as an Engineering Manager for Core Features in our Paris office. In this pivotal role, you will lead a team of talented engineers to enhance our flagship product, ensuring an exceptional user experience. You will be responsible for guiding your team through the development lifecycle, from planning to execution, while fostering a culture of innovation and collaboration.As part of a dynamic company that prioritizes security and user-friendly design, you will have the opportunity to influence product direction and work on impactful features that reach millions of users worldwide.

Notre Mission Chez Doctrine, nous nous engageons depuis 2016 à transformer l'accès au droit en le rendant plus accessible à tous. En tant que première plateforme d'intelligence artificielle juridique, nous offrons aux avocats et juristes la possibilité de se libérer des tâches répétitives, leur permettant de se concentrer sur leurs missions essentielles. Que ce soit pour comprendre un dossier, rechercher des informations ou rédiger des documents, Doctrine facilite chaque étape de leur travail. Aujourd'hui, nous comptons plus d'un million de visites mensuelles et accueillons chaque jour de nouveaux professionnels du droit. Notre ambition est d'étendre notre leadership à l'échelle européenne, avec des lancements déjà réalisés en Italie et une expansion en Allemagne en cours. Nous croyons fermement qu'une approche globale doit être couplée à une mise en œuvre locale, et c'est pourquoi nous attachons une importance capitale à comprendre les besoins spécifiques de nos clients et les nuances de chaque système juridique.Nos Valeurs Défier le statu quo. Nous encourageons les idées audacieuses et l'innovation.Liberté et responsabilité. Nous valorisons l'autonomie et l'impact de chaque membre de l'équipe.La connaissance est un pouvoir. L'apprentissage continu est au cœur de notre mission.Innover par l'itération. Nous croyons en l'importance d'écouter nos clients et d'adapter notre offre aux besoins du marché.Nous sommes à la recherche de plusieurs Customer Success Managers pour accompagner nos comptes stratégiques au sein des départements juridiques et des cabinets d'avocats.En intégrant une équipe dédiée à la relation client, vous collaborerez étroitement avec les chargés de compte pour déployer notre solution chez nos clients et diversifier l'utilisation de notre service.Votre rôle sera d'assurer que les avocats et juristes exploitent pleinement notre plateforme d'intelligence juridique. Grâce à vos conseils et votre expertise, vous deviendrez un partenaire de confiance pour nos utilisateurs.

About PanoraPanora is an innovative B2B platform that develops AI-driven agents specifically designed for insurance brokers, a sector characterized by stringent regulations and operational intricacies.Our vision is to establish ourselves as the AI Operating System for brokers throughout Europe, streamlining labor-intensive, repetitive tasks while enhancing compliance, advisory quality, and client engagement.Our product is already operational with brokerage firms in France and Belgium, showcasing AI agents performing tasks such as contract comparisons, coverage analysis, compliance evaluations, and assistance in applications like Outlook and Word.Founded by Diane, an ex-VC with a robust operational background, and Fabian, a repeat founder and product-centric AI engineer, Panora is supported by Hexa (formerly eFounders), the startup studio responsible for launching over 40 tech companies, including Aircall, Spendesk, and Front. We are now poised to enter a critical phase focused on structuring and scaling our platform.At Panora, AI is not merely an additional feature; it is the essence of our product. You will engage directly with Large Language Models (LLMs), agent-based systems, and production-quality AI pipelines, all while adhering to real-world regulatory and reliability standards from day one.About the RoleAs a Founding Engineer, you will be an integral part of the founding team, focusing on the core product and technical strategy.You will collaborate closely with the CTO and participate in all phases of the product lifecycle: from architecture and development to technical decision-making and ensuring production readiness.This is a hands-on, impactful role that offers significant ownership and influence over the company’s technical trajectory.ResponsibilitiesProduct & Engineering• Design, develop, and deploy key product features across AI agents, workflows, and integrations.• Take ownership of technical architecture decisions, ensuring scalability, security, and compliance.• Collaborate with the founding team to transform product concepts into production-ready systems.AI & Production Systems• Construct and refine AI pipelines (LLMs, RAG, agent-based systems) tailored for regulated real-world applications.• Guarantee reliability, traceability, and explainability of AI outputs in a production environment.• Optimize performance, cost, and quality as the platform expands.Ownership, Quality & Scalability

Join Streem Energy as a Software Engineer and play a pivotal role in the development and expansion of our Renewable Asset Intelligence Platform. We're looking for a proactive individual who is eager to dive deep into the business, design robust systems, and make a real impact beyond just coding.In this position, you will be responsible for backend systems that encapsulate market regulations, manage workflows, and enhance decision-making for our clients. You will have significant ownership over your contributions, guiding projects from initial design through to production deployment.A Dynamic EnvironmentThe renewable energy sector is rapidly evolving; with frequent regulatory updates, innovative financial structures, and changing operational needs, our platform must adapt swiftly.We prioritize fast iteration while maintaining long-term architectural soundness. This involves crafting inherently adaptable systems, making informed decisions under pressure, and continuously refining existing solutions.Your Responsibilities:Oversee backend systems from concept to reliable production deploymentCreate data-driven systems that facilitate intricate energy market processesMake strategic architectural decisions as the platform scales across various European marketsCollaborate closely with Product and Operations teams to convert real-world challenges into effective software solutionsEnhance system reliability, observability, and operational resilienceUphold high engineering standards through code reviews, testing, refactoring, and adopting best practicesChallenges You Will Tackle:Modeling complex energy market regulations while ensuring the system remains clear and maintainableDesigning workflows that integrate asset data, market data, and client interactionsGuaranteeing data consistency, traceability, and accuracy across all systemsScaling the platform to accommodate diverse regulations across multiple countriesDeveloping internal tools that enhance operational efficiency and minimize manual effortsFinding balanced trade-offs between speed, robustness, flexibility, and simplicityThis Role Suits You If:You think holistically about systems rather than viewing tasks in isolationYou value both speed and accuracy in your workYou are adept at making decisions with incomplete informationYou aspire to take full ownership of production systemsYou consistently seek to elevate your own standardsTechnology Stack:While we prioritize engineering principles over specific tools, our current technology stack includes:Backend: Python & Ruby on RailsDatabases: PostgreSQL, MySQL, InfluxDBInfrastructure: AWS, Docker, HerokuFrontend: React (Next.js)

Matera is on the lookout for a talented Generative AI Engineer to bolster our GenAI team, focusing on the creation of cutting-edge generative AI applications. In this role, you will enhance our internal operations and contribute to the improvement of our product offerings.As part of our data team of six, you will collaborate closely with product development and operations teams to achieve our goals.Your key responsibilities will include developing large language model (LLM) agents, integrating them into our internal tools, and continuously optimizing their performance.Key Responsibilities:Develop proof of concepts (POCs) to explore the potential of applications.Measure performance metrics and optimize solutions.Build APIs and testing interfaces for application deployment.Stay updated on technological advancements.Examples of Projects:Automated systems for addressing customer inquiries (chatbots, email responses, voice agents).Internal tools that enable our customer support team to access vital information swiftly.Document processing (contracts, quotes, etc.) to automate repetitive tasks.Our Technology Stack:Python, FastAPILangchain, LanggraphLangfuseGemini, Mistral, OpenAI

Are you seeking a pioneering collective that engages in permanent Test & Learn mode and truly empowers your ambitions? Look no further! At SFEIR, your career path is yours to steer—whether vertical, horizontal, or transverse. Your PlaygroundTechnology Stack: Google Cloud Platform (including BigQuery, Cloud Storage, Dataflow, Cloud Composer), Python, SQL, DBT.SFEIR AI: A specialized path to mastering generative AI and agent-based coding.Community: Join a network of 140 Google Cloud certified professionals, 30 Google Authorized Trainers, and 7 Google Developer Experts. Your ResponsibilitiesDesign robust, secure, and scalable end-to-end data architectures (Lakehouse, Mesh) on Google Cloud.Lead the implementation of complex ETL/ELT solutions using DBT on BigQuery and orchestrate workflows via Cloud Composer.Establish development best practices (CI/CD, testing, Data Quality) and ensure monitoring/observability of platforms.Mentor junior team members, conduct code reviews, and serve as a technical reference for clients.Actively participate in modernizing our clients' tech stacks and integrating GenAI services (Vertex AI) into production pipelines. Your ProfileYou have at least 5 years of experience as a Data Engineer.You possess confirmed professional experience with Google Cloud.You can critically assess architecture choices and justify your technological decisions in the face of complex business challenges.You have a mentoring spirit, enjoy sharing knowledge, and are eager to tackle high-level challenges in a rapidly growing environment. Why Join SFEIR?Every Sfeirian is supported by an Engineering Manager.Opportunities for advancement toward roles such as Data Architect, Senior Staff Engineer, or Senior Principal Engineer.Continuous training with access to Google Cloud Skills Boost and certification opportunities.

Join our dynamic team at myjobcompany1 as a Senior Front-End Engineer (H/F)! In this role, you will play a crucial part in developing cutting-edge web applications that provide an outstanding user experience. You will collaborate closely with designers and backend developers to create seamless and responsive user interfaces. We are looking for innovative thinkers who are passionate about technology and eager to contribute to exciting projects.

About Air Apps Air Apps is a family-owned company founded in 2018 in Lisbon, Portugal. The team builds AI-powered tools that help people plan, work, and live more effectively. The flagship product is the Personal & Entrepreneurial Resource Planner (PRP), which has reached over 100 million downloads worldwide. Air Apps remains self-funded and has grown its presence with offices in Lisbon and San Francisco. The company values creative problem-solving and adapts quickly to new challenges. Every day, the team works to advance AI-driven solutions that have a real impact on how people manage their resources. Air Apps is on a mission to redefine resource management and improve lives around the globe.

Join Front, the premier AI-driven customer service platform designed for seamless collaboration. Our innovative workspace integrates core support channels, enabling teams to work together on requests, automate repetitive tasks, and enhance customer satisfaction throughout their journey. With Front's adaptable workflows, advanced AI capabilities, and valuable customer insights, organizations can maintain a customer-centric approach every day. Over 9,000 leading companies, including CultureAmp, HootSuite, and Y Combinator, rely on Front to deliver exceptional service at scale.Supported by Sequoia Capital and Salesforce Ventures, Front has secured $204 million from top venture capitalists and influential executives from leading tech firms such as Atlassian, Okta, Qualtrics, Zoom, and PagerDuty. Our commitment to creating an outstanding workplace has earned us several prestigious accolades, including Built In's 100 Best Midsize Places to Work in SF 2025, Top Places to Work by USA Today 2025, Y Combinator's list of Top Companies in 2023, #4 on Fortune’s Best Workplaces in the Bay Area™, Inc. Magazine's 2022 Best Workplaces list, and Forbes Best Startup Employers 2022 List.As a vital member of our skilled Paris product team, you will empower our engineers to develop cutting-edge AI and automation features that enable our customers to provide unparalleled support at scale.To excel in this position, you will lead a senior team of exceptional engineers to execute an ambitious project roadmap while focusing on technical design and implementation. You will enhance team growth by attracting and hiring top talent and mentoring future engineering leaders, all while streamlining team processes for scalability. This role requires close collaboration with product managers, analysts, designers, and engineering managers across Paris and San Francisco.

About Mistral At Mistral AI, we harness the transformative power of artificial intelligence to streamline processes, enhance productivity, and boost creativity. Our innovative solutions are designed to seamlessly integrate into everyday workflows, making AI accessible to all.We democratize AI through high-performance, cutting-edge, open-source models and products tailored for enterprises, whether utilized on-premises or in cloud environments. Our flagship offerings include Le Chat, your AI assistant for both personal and professional needs.We are a vibrant, collaborative team fueled by a passion for AI and its capacity to reshape society. Our diverse workforce thrives in competitive landscapes, dedicated to driving innovation across the globe with teams spread across France, the USA, the UK, Germany, and Singapore. We embrace creativity, humility, and a strong team spirit.Join us in pioneering the future of AI. Together, we can make a significant impact. Discover more about our culture on https://mistral.ai/careers.Role SummaryWe are on the lookout for a dedicated and talented Engineering Manager to lead the development of crucial systems that power our AI platform and products, including AI Studio, Le Chat, and Mistral Vibe.In this role, you will merge your deep technical knowledge with exceptional leadership skills to build scalable, high-impact systems while mentoring and guiding a high-performing engineering team. Typically, our team leads manage groups of around five individuals dedicated to specific products, taking ownership of both execution and delivery while maintaining hands-on coding involvement.You will dynamically balance your time between direct contributions and leadership, with a shift towards leadership as your team expands. Collaborating closely with Product Managers, you will ship features that significantly influence our users and business objectives. Your responsibilities will include fostering a strong team culture, establishing clear processes, elevating engineering standards, and ensuring consistent, high-quality output.This pivotal role sits at the convergence of product engineering, infrastructure, and people management, helping to shape our engineering organization, scaling our development processes, and translating cutting-edge AI research into reliable, impactful solutions.

Join Malt as a Senior Engineering Manager specializing in Compliance, where you will lead a dynamic team to ensure adherence to regulatory standards and foster innovative engineering practices.