Data & AI Engineer at Theodo | Paris

Join Polar Analytics: The Premier Data Platform for Consumer Brands ‍At Polar Analytics, we transform complex data into actionable insights, empowering brands to make informed decisions swiftly and efficiently. Our platform is powerful yet accessible, providing DTC brands with the analytics they need to achieve scalable profitability. Our mission is clear: we aim to accelerate the growth of independent DTC brands—enabling them to compete effectively and profitably.Why Choose Polar Analytics? 4,000+ Brands and CountingWe’ve expanded to over 4,000 active merchants as of January 2025, with plans to reach 10,000+ within this year. Revolutionizing AnalyticsPolar is redefining the Shopify analytics landscape through innovative data infrastructure designed for seamless orchestration—placing us at the leading edge of AI-powered commerce automation. Supported by Top-Tier InvestorsWe have successfully raised $28.5M from prestigious investors like Frst, Point9, and Chalfen Ventures, recognized for identifying future industry leaders early. A Team of eCommerce & Data InnovatorsOur diverse team comprises seasoned professionals from leading eCommerce SaaS platforms and Silicon Valley data powerhouses, all united by a common goal: to forge the next industry leader.About UsWe are developing a cutting-edge data & AI operating system tailored for eCommerce—think of it as Datadog for retail.Our work involves processing and refining complex Shopify, advertising, and retention data, making it reliable and actionable for teams.We are seeking engineers who desire real ownership and impact.Your RoleIn this role, you will be engaged with core systems including data pipelines, semantic layers, AI evaluation, and experimentation tools that are vital for thousands of merchants daily.This is not a conventional ticket-taking position. You will:Take ownership of challenges from design through to productionSolve complex infrastructure issues (handling petabytes of data, near real-time processing, and high reliability)

About UsAt Harmattan AI, we are pioneers in developing next-generation defense systems that are both autonomous and scalable. With a recent $200M Series B funding round that has elevated our valuation to $1.4 billion, we are on a mission to enhance our teams and capabilities in delivering vital systems to allied forces.We operate with a commitment to impactful technology, striving for excellence, setting ambitious goals, and tackling complex technical challenges. Our environment is demanding, and we value rigor, ownership, and execution in our work.About the RoleWe are seeking a talented Software Tooling Engineer to create and enhance the internal tools that will allow our operations to accelerate and scale efficiently. This role involves working with our internal data infrastructure and operational workflows, designing high-leverage tools that support teams across the organization.You will combine strong software engineering skills with a deep understanding of user needs, taking ownership of the architecture, development, and deployment of essential tools for Harmattan’s core operational workflows, including AI-powered internal agents, workflow automation, internal data visualization tools, integrations, and lightweight backend services.ResponsibilitiesInternal Tools & AutomationDevelop internal tools and AI/LLM-powered agents utilized by various teams.Create dashboards, visualization tools, and workflow automations to enhance daily operations at Harmattan AI.Operational Workflow EnablementOptimize core operational processes through customized tools, connectors, and integrations with internal systems.Collaborate closely with teams to identify bottlenecks, rapidly iterate, and provide impactful solutions.Backend & InfrastructureDevelop and maintain lightweight backend services that power internal tools (APIs, data storage, metrics, logging).Assist in cloud deployment and integration with CI/CD and data pipelines.Quality & ReliabilitySet and uphold standards for code quality, testing, observability, and documentation.Ensure internal tools are reliable and meet the operational needs of the organization.

About UsHarmattan AI is at the forefront of developing autonomous and scalable defense systems. With a recent $200 million Series B funding round, which has positioned the company at a valuation of $1.4 billion, we are actively expanding our teams to provide mission-critical technologies to allied forces.Our mission is guided by our core values: creating impactful technologies, striving for excellence, setting ambitious goals, and tackling the most challenging technical problems. We thrive in a high-pressure environment where accountability and execution are paramount.About the RoleAs we scale our GNC, ML, Embedded Software, and Validation teams, we require robust internal software infrastructure to expedite development and testing. As a member of the Tooling team, you will spearhead the development of a cutting-edge drone simulator, pivotal for our advanced autonomous defense applications. This position offers substantial ownership and an opportunity to engage at the nexus of software engineering, simulation, and AI robotics, with a direct impact on missions.

Join our team as a Data Scientist and play a key role in managing and optimizing Large Language Models (LLMs) for AI safety.About UsWhite Circle is a pioneering AI Safety company dedicated to enhancing the safety, reliability, and efficiency of AI systems. Our platform is built on policies—clear natural language rules that dictate the appropriate conduct of AI models. We automate the testing, enforcement, and continuous enhancement of these policies at scale.We have secured $11 million in funding from leading investors, including founders and senior leaders from OpenAI, Anthropic, HuggingFace, Mistral, DeepMind, Datadog, Sentry, and others.Our operations handle over 100 million API calls each month.We specialize in fine-tuning and training our own LLMs, enabling them to operate faster and at a lower cost than any available model.As a compact and dedicated team, we offer an environment where you can tackle complex challenges, expedite your work into production, and substantially influence the development of AI safety.Your Role:Transform vast amounts of unstructured text into a structured and navigable format (including topics, clusters, segments, trends, and anomalies), moving from “unknown unknowns” to stable definitions for tracking.Develop scalable representation pipelines: including sampling strategies, preprocessing/normalization, embeddings at scale, indexing, and retrieval, making the corpus searchable and analyzable.Utilize LLMs in practical applications: implementing labeling/classification, weak supervision, data enrichment, summarization, and automated diagnostics of incoming volumes, with cost and quality controls in place.Provide actionable insights that inform decisions: convert your findings into product and operational strategies (identifying available data, gaps, quality issues, and prioritization).Create self-service analytics resources: develop datasets, data models, and user-friendly tools/dashboards to enable team members to explore and address inquiries independently.Collaborate closely with engineering and research teams: ensure alignment of pipelines with production constraints (including latency, cost, and privacy) and integrate outputs into existing workflows.You Will Thrive If You:Possess strong skills in Python and SQL, with an engineering mindset capable of building reliable pipelines rather than just notebooks.Have practical experience in applied NLP/ML on real-world text: including embeddings, clustering, and model training.

About UsAt Ankorstore, we empower independent brands and retailers to flourish by simplifying, accelerating, and enhancing the profitability of wholesale transactions.We are constructing the infrastructure that drives modern wholesale for brands—facilitating their discovery by the right retailers, streamlining ordering processes, logistics, and financing—enabling both parties to collaborate under more sustainable conditions.As a Senior Analytics Engineer, you will play a crucial role in enabling Ankorstore’s teams to make informed, data-driven decisions by designing, developing, and maintaining high-quality analytical data models.You will collaborate closely with internal customer teams (Product, Engineering, Finance & Operations) to identify their analytical requirements, prioritize initiatives, and deliver reliable data assets that support both daily decision-making and long-term strategic initiatives.You will be part of a dedicated team consisting of a Platform Lead, a Data Engineer, and three Analytics Engineers.

Labelium seeks a Lead Analytics Engineer to drive its analytics initiatives in Paris. This role plays a central part in shaping how the company uses data to support decisions across the organization. Key responsibilities Oversee analytics projects from initial design through to full implementation Collaborate with teams across the business to deliver advanced analytics solutions Ensure that strategies and recommendations are grounded in strong data insights Location This position is based in Paris.

Join our innovative AI Operations team as an early member, dedicated to seamlessly integrating artificial intelligence throughout our organization.In the first few months, you'll collaborate closely with our founding team, gradually assuming responsibility for essential components and features. We are in search of adaptable engineers who are eager to contribute across various facets of our company's foundation during this exciting early stage.We appreciate team members who immerse themselves in their expertise, fostering a culture of knowledge and skill development. This commitment to excellence is expected of everyone on the team.As an AI Engineer, your daily responsibilities will include:Innovative Product DevelopmentWork closely with product and design teams to create and launch AI-driven features that elevate the user experience. Engineer and deploy scalable APIs and microservices that support AI operations in production while monitoring and optimizing performance, cost, and accuracy.Enhancing Developer EfficiencyDesign, develop, and maintain AI-enhanced developer tools that boost productivity, improve code quality, and refine release processes. Integrate AI-driven monitoring, code analysis, and release automation into CI/CD pipelines. Constantly assess new models, frameworks, and APIs (e.g., OpenAI, Anthropic, Hugging Face) to discover advancements that could enhance our engineering practices.Quality Assurance and AutomationAssess and incorporate AI-powered QA solutions that can automatically generate and execute test cases, identify regressions, and highlight anomalies in production. Collaborate with QA engineers to build intelligent validation pipelines that enhance test coverage, reliability, and scalability.Strategic Roadmap DevelopmentParticipate in the creation and ideation of our roadmap. Suggest new AI-driven initiatives and assist in evaluating their potential impact and complexity. Play an active role in shaping our internal standards and best practices for AI development, deployment, and measurement across the organization.

About UsHarmattan AI is at the forefront of defense technology, creating autonomous and scalable defense systems. Following our successful $200M Series B funding round, which values our company at $1.4 billion, we are expanding our teams to deliver critical solutions to allied forces globally.We are driven by our core values: crafting technologies that make a real-world difference, striving for excellence in every endeavor, setting ambitious targets, and tackling the most challenging technical problems. Our environment is demanding, where rigor, accountability, and execution are paramount.About the RoleAs a Software Engineer specializing in Infrastructure & Deployment, you will be instrumental in designing the software systems that underpin our manufacturing and production environment. You will be responsible for architecting and maintaining deployment pipelines, automating infrastructure, and managing fleet solutions for our internal production assets, which include engineering workstations, automated test benches, and IIoT components. Your mission is to ensure a high-performance, reproducible, and scalable production line that empowers our R&D and manufacturing teams to operate at an exceptional pace.

Note: This position is based in Paris, France - relocation support is available for candidates within the EU. Join Trade Republic, Europe’s leading savings platform, where we empower over 10 million customers across 17 countries to grow their wealth through easy, safe, and free access to financial markets. We are on a mission to democratize wealth and help everyone build a prosperous future. By joining our talented team, you will have the chance to leverage cutting-edge technology and contribute to meaningful change for millions. Key Responsibilities: Collaborate closely with product and business teams to establish and develop impactful product metrics. Create analytical products, including data models, dashboards, and reports, to facilitate self-service reporting and analysis. Enhance our data architecture using Snowflake and dbt, focusing on cost efficiency and performance improvements while adhering to best engineering practices. Own projects end-to-end, from planning through execution and adoption, working independently. Ideal Candidate: Minimum of 5 years of engineering experience with a focus on analytics. Deep understanding of architectural design principles and engineering best practices. Proficient in all aspects of the data pipeline: ingestion, transformation, and mart creation. Familiarity with our tech stack is advantageous: S3, Snowflake, Airflow, Python, and dbt. Why You Should Apply: We foster a culture of ownership, excellence, and high energy. We are committed to achieving results and holding each other accountable as we tackle one of Europe’s significant challenges: closing the pension gap and democratizing wealth. If this excites you, we encourage you to reach out!

Join Theodo as a Lead AI EngineerAt Theodo, we have been supporting innovative companies since 2009 in the design, development, and deployment of cutting-edge digital products by leveraging the best of technology and Lean methodologies.With 15 years of exceptional growth, Theodo boasts a team of over 700 passionate software engineers committed to continuous improvement. Our organization has diversified into specialized entities focusing on technology (Theodo Apps, Theodo Cloud, Theodo Data & AI) and industries (Fintech, Govtech, Healthtech, Consumer Products). By 2025, Theodo aims to generate a revenue of €100 million.Established in 2016, Theodo Data & AI is dedicated to assisting clients in shaping and implementing their data strategies, alongside researching and developing state-of-the-art artificial intelligence solutions.Our company is thriving: Theodo Data & AI experiences over 30% annual revenue growth, creating exciting new opportunities for our team members!

About UsHarmattan AI is at the forefront of defense technology, specializing in the development of autonomous and scalable defense systems. Following the successful completion of a $200 million Series B funding round, which has valued our company at $1.4 billion, we are actively expanding our teams and enhancing our capabilities to deliver mission-critical solutions to allied forces.We are driven by our core values: creating technologies with meaningful impact, striving for excellence in all our endeavors, setting ambitious goals, and tackling the most challenging technical problems. Our work environment is dynamic and demanding, where rigor, accountability, and execution are paramount.About the RoleAs an Automation Software Engineer, you will be instrumental in designing and developing the software that powers our automated testing and inspection platforms. Within the R&D department, you will develop robust and scalable automation tools that enhance both product development and manufacturing processes. Your primary focus will be on software development for test automation, while also engaging in the integration of mechanical and electrical components of test systems.

À propos de SkelloChez Skello, nous concevons la solution RH de référence pour optimiser la planification et la gestion des équipes de terrain. En Europe, ces équipes représentent 50 % des travailleurs, mais seulement 20 % des solutions numériques leur sont spécifiquement dédiées.Skello a été créé pour répondre à ce besoin : une plateforme collaborative et intuitive qui simplifie la vie des managers et des employés en rationalisant et en automatisant les tâches essentielles. Nous plaçons les équipes de terrain au cœur de notre démarche. Grâce à des outils intelligents comme notre Assistant Skello et notre planificateur intelligent, nous répondons directement à leurs besoins uniques.Notre objectif est clair : devenir la solution RH incontournable pour toutes les équipes de terrain en Europe. Skello en quelques chiffres • 7 secteurs d'activité clés • 25 000 entreprises font confiance à Skello aujourd'hui.• 600 000 employés utilisent Skello quotidiennement.• L'équipe Skello comprend plus de 400 collaborateurs.• 3 bureaux en Europe : Paris, Lille et Barcelone. Notre culture d'entrepriseNous savons que pour réaliser notre mission, il est essentiel de vivre nos valeurs au quotidien : SHIFT. Élever la barre chaque jour Soutenir les autres Imaginer demain, commencer aujourd'hui Mettre les clients au premier plan Prendre le travail au sérieux, mais pas soi-même

meilleurtaux is looking for an Experienced Data Scientist / AI Engineer to join the Paris office. The focus is on applying data science and AI skills to real-world challenges, aiming to make a direct impact on customer experiences by transforming data into useful insights. Main responsibilities Collaborate with team members to design and improve AI-powered tools that address business needs Examine data sets to identify patterns, trends, and opportunities that can benefit the company Contribute to projects that use analytics to enhance how customers interact with meilleurtaux’s services Location This position is located in Paris.

Join Our TeamDoctolib is seeking a Senior Data Engineer - Analytics to become a vital part of our Analytics Engineering team.In this role, you will be instrumental in creating data products that yield actionable insights and enhance decision-making across Doctolib, contributing to the evolution of healthcare access. You will collaborate with a dynamic team to develop data pipelines and solutions that bolster our organization's capacity for data-driven decision-making and support our AI initiatives.At Doctolib, our tech team is dedicated to crafting innovative products and features that significantly improve the day-to-day experiences of both care teams and patients. We operate in feature teams within an agile framework, fostering close collaboration with product, design, and business teams.Your Key Responsibilities:Develop and maintain data pipelines using Python (Dagster) to align with Doctolib's AI strategy.Build and sustain data marts in BigQuery using SQL/Jinja, DBT.Create insightful dashboards for high-level reporting utilizing Tableau.Engage with stakeholders to identify their data requirements and outline specifications.Ensure data integrity, security (compliance with GDPR), and accessibility through continuous monitoring and optimization.Our Technical Environment:Our solutions are built on a fully cloud-native platform that supports web and mobile interfaces, multiple languages, and is tailored to various country and healthcare specialty needs. We modularize our platform to operate in a distributed architecture leveraging reusable components.Our technology stack includes Rails, TypeScript, Java, Python, Kotlin, Swift, and React Native.We ethically leverage AI across our products to empower patients and health professionals. Learn more about our AI vision here and our first AI hackathon here!Our data stack incorporates Kafka/Debezium for data ingestion, Dagster/DBT for orchestration, GCS/BigQuery for data warehousing, and Metabase/Tableau for business intelligence and reporting.

Join Theodo and Be Part of Our Success Story!Since 2009, Theodo has been empowering innovative companies in the design, development, and deployment of ingenious digital products, leveraging the best technology and Lean methodologies.Our distinctive approach is founded on three key principles:- We have cultivated recognized expertise in essential product design and development technologies;- Regardless of the project's phase, creating value for our clients is our top priority in every decision;- We recruit the finest digital talents and foster their ingenuity through Lean practices.Theodo has experienced remarkable growth over the past 15 years: our teams comprise over 700 Theodoers, primarily Software Engineers passionate about technology and continuous improvement. With this growth, the group has organized into specialized entities by technology (Theodo Apps, Theodo Cloud, Theodo Data & AI) or by industry (Fintech, Govtech, Healthtech, Consumer Products Goods). By 2025, Theodo aims to generate €100M in revenue.Your Team:You will join a community of over 120 tech enthusiasts at Theodo: software engineers, tech leads, engineering managers, and architects, where you can share ideas, learn, and grow every day. At Theodo, our tech teams work in project groups tailored to the unique needs of each client. You will be part of a small team of Theodoers (4 to 5 members), including Software Engineers, a Tech Lead, and a Product Manager. Together, you will collaborate closely with the client through regular communications to share progress, deepen the understanding of their challenges, and evolve the product to meet user needs effectively. Your Future Responsibilities:As a Fullstack Software Engineer at Theodo, your mission will involve designing and developing useful, high-performing, and sustainable digital products to address the challenges faced by our clients and their users.

At Joko, we are dedicated to transforming the shopping experience by empowering consumers to shop smarter and make informed decisions that lead to significant savings.Based in the heart of Paris, Joko is a pioneering tech firm and a certified B Corp, boasting a diverse team of over 90 talented professionals across Paris, Barcelona, New York, and beyond. Our platform enables more than 5 million users to save money daily while shopping at over 10,000 merchants.With offerings ranging from cashback and automatic coupons to price alerts and carbon tracking, we are continuously innovating to enhance the shopping experience. Currently, we are in the process of developing an AI-powered shopping assistant designed to help users identify the best products based on price, quality, and environmental impact.After achieving profitability in our primary market, we are now scaling our operations globally with a significant focus on the United States.Join us on this exciting journey to reshape the future of shopping! Engineering TeamOur Engineering team is adept at tackling advanced technical challenges with innovative solutions. With a commitment to product innovation and design, they are at the forefront of revolutionizing the online shopping experience. Their goal is to create a positive impact on the daily lives of millions of users worldwide.Our Software Engineers collaborate closely with the Product team from the initial exploration and design phases to roadmap prioritization, implementation, and production deployment. We firmly believe that teams comprised of engineers with diverse skill sets, where engineering and product work hand-in-hand, are capable of delivering an exceptional and innovative user experience.As our Engineering team expands rapidly, we continue to innovate across all aspects of our product and tech stack, driving the transformation of how people shop online. Key ResponsibilitiesAs an AI Software Engineer, you will lead the development and ongoing enhancement of Joko AI, our intelligent shopping assistant that effortlessly guides users to the perfect product based on their needs. You will help users save valuable time by considering all pertinent factors (price, quality, reviews, environmental impact) for any product sold by e-commerce merchants globally. Collaborating closely with our CTO, Alex, and a small team of top-tier engineers, you will operate at the intersection of applied research and production.

Role Overview Theodo is hiring an AI-Native Software Engineer in Paris. This position focuses on building software for the fintech sector using artificial intelligence tools and methods. The team works closely with clients to improve how financial products work and feel. What You Will Do Develop software solutions that use AI to address challenges in finance Work with other engineers to design, build, and refine applications Help improve clients' operations and the experience of end users Collaboration Work alongside skilled engineers on projects that shape the future of fintech. Expect regular knowledge sharing and teamwork throughout each project cycle.

Join aircall, a pioneering unicorn in the realm of AI-driven customer communication platforms, utilized by over 22,000 companies globally to enhance revenue, expedite issue resolution, and effectively scale customer-facing teams. We are transforming the landscape of customer communications by integrating voice, SMS, WhatsApp, and AI into a unified workspace.Our growth is fueled by a straightforward principle: empower teams to work smarter, not harder. Our innovative AI Voice Agent automates routine calls, AI Assist optimizes post-call tasks, and AI Assist Pro provides real-time guidance, enabling individuals to perform at their best. This results in increased revenue, quicker resolutions, and teams that expand confidently.Based in Paris, our European headquarters, we have a robust North American presence in Seattle and teams across Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. Our product is beloved by customers, and our business is rapidly expanding, supported by top-tier investors and driven by swift AI innovations across various product lines.Our Work Culture: At aircall, we prioritize customer satisfaction, data-driven decision-making, and delivering significant outcomes. We value ownership, continuous learning, and thoughtful speed. If you excel in a collaborative, dynamic setting where trust and impact are paramount, you will thrive here.We are in search of a dedicated and enthusiastic Senior AI Software Engineer to join our expanding engineering team.In this role, you will oversee the design, development, deployment, and operation of AI-driven features that enhance customer value. Your daily responsibilities will encompass operational excellence, metrics, observability, best practices, and mentoring within your team and across the engineering department.We are committed to quality, excellence, and agility in our delivery processes, and you will play a key role in elevating these standards. Utilizing NodeJS and TypeScript back-end technologies, suitable for each requirement, and always hosted on AWS, we create valuable and resilient services built on voice technology that seamlessly integrate with our customers' essential business tools (CRM, Helpdesk, E-Commerce, etc.).

Join Theodo as an Engineering Manager in Paris!Since 2009, Theodo has been a driving force in supporting innovative companies with the design, development, and deployment of ingenious digital products, leveraging cutting-edge technology and a Lean approach.Theodo has experienced remarkable growth over the last 15 years, now boasting a team of over 700 passionate software engineers dedicated to continuous improvement. As we expand, we have structured our organization into specialized entities focusing on different technologies (Theodo Apps, Theodo Cloud, Theodo Data & AI) and industries (Fintech, Govtech, Healthtech, Consumer Goods). By 2025, we anticipate generating €100M in revenue.Theodo Data & AI, established in 2016, is dedicated to data and AI solutions. Our mission is to guide clients in crafting and executing their data strategies, along with researching and developing state-of-the-art artificial intelligence solutions.Our company is on an upward trajectory, with Theodo Data & AI seeing over 30% annual revenue growth, creating exciting new opportunities for our team!The technical team at Theodo comprises 120 software engineers, tech leads, and architects from top engineering schools, supported by 13 Engineering Managers dedicated to their success.Your mission includes:- Leading and mentoring Tech Leads: You will support 1 to 4 Tech Leads in enhancing their skills and achieving personal growth.- Ensuring technical delivery: You will guarantee code quality (3S: stability, security, speed), adherence to milestones, and architectural robustness.- Contributing to business development: You will participate in strategic discussions with clients (CIOs, sponsors, etc.), help identify opportunities, and play a key role in pre-sales with our sales team.Your tools for success:• Direct management by Theodo's CTO or VP of Engineering• Lean management training from top Lean coaches• Access to advanced technology and resources to support your team's success