Data/AI Engineer Internship (F/H)

RTE is looking for a Data/AI Engineer Intern (F/H) to join the team in Paris, La Défense. This position supports projects in the energy sector, with a focus on using data analytics and artificial intelligence. Role overview This internship centers on applying data-driven methods and AI tools to help improve how energy is managed and how operations run. The w…

FORWARD DEPLOYED ENGINEERAbout H Company: H Company is at the forefront of AI innovation, dedicated to developing autonomous, intelligent systems that can transform industries. Our mission is to create the foundational technologies that enable AI to operate independently and effectively, delivering real-world benefits.We are seeking elite engineering talent for the Forward Deployed Engineer position, where you will play a crucial role in deploying our cutting-edge AI Agents to enhance automation and optimize workflows for our prestigious clients. Join us on this exciting journey as we redefine the future of AI and agentic systems.About the Forward Deployed Team: Our team is dedicated to the successful implementation of AI Agents, ensuring that our customers can automate and streamline their operations efficiently. We gather insights from the field, shaping the direction of our products and enhancing the H platform, which empowers users to deploy agents at scale for diverse applications—from ensuring website functionality to automating repetitive tasks.Key Responsibilities:Analyze and understand the key multi-step tasks of customers that require automation.Integrate seamlessly with customer systems, including databases, APIs, and internal tools.Iterate quickly in the field with close feedback loops to enhance product alignment and deliver comprehensive solutions.Design, build, and maintain scalable production-grade services that adapt to increasing usage and complexity.Collaborate closely with product, research, and engineering teams to influence the product roadmap based on field observations.Qualifications:A minimum of 3 years of professional software engineering experience, preferably within dynamic environments such as startups or product-focused teams, or demonstrated technical proficiency through relevant projects.Hands-on experience with AI/ML systems, particularly in integrating LLMs or agentic workflows into operational products.Proficiency in at least one backend programming language (e.g., Python, Go, Node.js, Java), alongside fluency in English.

Join our dynamic iOS team at amo, where you'll play a pivotal role in shaping the future of our product-centric company. As a key member, you will engage in all aspects of design and product decisions from the early stages.In the initial months, you'll collaborate closely with our founding team and progressively take ownership of essential components and features. We are on the lookout for versatile engineers who are eager to contribute across various facets of our company's foundation.We highly value team members who immerse themselves in their areas of expertise, fostering a culture of ownership and accountability to develop a team of subject matter experts.Your Role as an iOS EngineerInnovative Feature DevelopmentYou will be responsible for delivering unique, high-quality user interfaces in a fast-paced environment. You'll work within a close-knit team that embraces accountability and ownership, pushing the technical boundaries—for instance, utilizing advanced shaders on iOS to create stunning effects across various media.Platform DevelopmentYou will contribute to the development and enhancement of our platform, aiming to boost the speed and quality of the entire development team's output. This includes writing careful abstractions that will be used by fellow iOS team members, such as media encoding, decoding, and playback; creating libraries with performance tracing and related internal tools; and developing our own navigation and deep linking components across applications.Roadmap Development and IdeationYou will actively participate in roadmap creation and ideation, helping to identify optimal trade-offs and bring innovative ideas from both product and engineering perspectives.Knowledge SharingWe believe in continuous learning and encourage our team to stay informed about the latest trends and best practices in Apple software development. You will be supported in attending conferences, engaging with online communities, and sharing your insights with the team.Ownership of Your DomainYou will take charge of monitoring analytics and managing system crashes. We seek engineers who demonstrate ownership of their scope, proactively addressing challenges and prioritizing bug fixes.

Join 360Learning as a Software Engineer and be part of a dynamic and innovative team! Originally a small group of 10 developers, our R&D department has expanded to over 60 engineers organized into 10 agile product squads. Each squad comprises talented developers, product managers, and designers, playing a crucial role in elevating our technical capabilities to meet the growing demands of our customers.Tackle Real Technical Challenges: Engage with a complex codebase where your analytical and modeling skills will shine. Our platform supports significant traffic with 2.3 million registered users and 200,000 unique monthly visitors, presenting a wealth of data to manage while adhering to clean architecture principles for sustainable growth.Work with an Attractive Technical Stack: Our team leverages top technologies, including MongoDB, Node.js, and Vue.js, with ongoing migration to TypeScript.Advance in a Supportive R&D Environment: Experience rapid professional growth through our decentralized peer review system, which emphasizes regular, constructive feedback, alongside pair programming and knowledge-sharing practices.

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.

Join Our Innovative TeamAt SumUp, we believe in empowering businesses to thrive through our comprehensive Point-of-Sale (POS) solution. Our platform is designed for cafes, shops, bars, hair salons, and various other enterprises, enabling them to operate efficiently and achieve growth. With features like product catalogs, inventory management, business analytics, compliance support, and loyalty tools, we are transforming how businesses manage their operations.Our POS solution is seamlessly integrated into the SumUp SuperApp, which supports both proprietary register hardware and mobile devices, including tablets and smartphones.As a Senior Android Developer, you will work alongside a vibrant cross-functional team comprising Product Managers, Designers, Engineering Managers, and fellow engineers.Your RoleAs we transition towards a Kotlin Multiplatform (KMP) strategy, you'll play a crucial role in developing shared solutions for both Android and iOS platforms. This position offers you the opportunity to learn, refine, and implement cutting-edge technology, shaping the future of our mobile applications.We are looking for a developer who prioritizes user-centric design, values precision, and thrives in a collaborative environment. Your structured communication style will be an asset in our cross-functional team.Key ResponsibilitiesDevelop new features for the item catalog within the SumUp SuperApp.Enhance the application's architecture and contribute to our Kotlin Multiplatform strategy.Maintain and improve our unified Android app distributed across over 60 countries, ensuring high-quality, scalable solutions.Identify opportunities for product enhancement and participate in daily decision-making.Create comprehensive documentation and implement rigorous testing for features prior to release.Collaborate with Designers, Product Managers, and Android engineers to provide a cohesive user experience across platforms.Qualifications for Success5+ years of experience in mobile engineering with a focus on Android and Kotlin.2+ years of experience with Jetpack Compose.A solid understanding of software design patterns (e.g., MVVM, MVI) and expertise in creating modular, scalable app architectures.Strong knowledge of reactive programming (Flow, Coroutines, and Concurrency).A thorough grasp of testing best practices: knowing what to test, why, and how to write resilient tests.

Join Waniwani as a Founding Platform Engineer and revolutionize our infrastructure for seamless scalability.We have pioneered the first insurance application integrated with ChatGPT. Today, numerous companies are eager to leverage our platform to establish their own AI-driven storefronts. Each client requires a dedicated MCP server, a unique codebase, and tailored distribution, all functioning seamlessly and interconnected under your management.About WaniwaniWaniwani is at the forefront of creating the AI distribution framework for the $10 trillion services economy. Our platform empowers businesses to offer quote-based services such as insurance and wealth management directly within LLMs, where consumer purchasing decisions are increasingly shifting. Imagine Shopify, but tailored for services — we are constructing the foundation for AI-native commerce.We are just beginning this transformative journey. Our launch of ChatGPT insurance resulted in a staggering $26 billion in market cap losses for major brokers within just 48 hours, marking what the press has dubbed "the industry's ChatGPT moment." We refer to it as Day 1.Why This Position MattersHaving surpassed the proof of concept stage, our product is operational. We are now tasked with managing this for hundreds of clients simultaneously, each with its own MCP server, distinct data pipelines, and customized distribution dashboards, all while ensuring the platform remains robust and responsive.This role presents a systems-level engineering challenge. You will be responsible for architecting a solution that allows Waniwani to expand from dozens to thousands of deployments. This includes multi-tenant infrastructure, orchestration of multiple codebases, and real-time data flow across a multitude of interconnected services. In this role, a single flawed abstraction can cost months, whereas a well-designed one can save years.We anticipate that AI will write 95% of your code. Your expertise will not lie in typing code but in discerning what needs to be built, how to structure it, and when the AI may be misguided. You will work at a pace that integrates LLMs as a fundamental aspect of your engineering process, rather than viewing them as a novelty. The key challenge will be exercising judgment, not merely keystrokes.

Join Mistral as a Backend Software Engineer and be part of a dynamic team that is shaping the future of cloud technology. In this role, you will be responsible for developing robust backend systems, ensuring seamless integration, and optimizing performance. Collaborate with cross-functional teams to deliver innovative solutions that meet our clients' needs.

Alten is seeking an Electronic Design Engineer (H/F) to join its team in Paris. This position centers on electronic design work for a range of projects in different industries. Role overview As an Electronic Design Engineer, you will contribute technical skills to support ongoing and new projects. The work involves applying knowledge of electronic systems and collaborating with colleagues to deliver results that meet project standards. What you will do Participate in electronic design activities for multiple industry sectors Work as part of a team to develop and refine electronic solutions Apply engineering expertise to support project goals Location This role is based in Paris.

Join Dust as a Post-Sales Solutions EngineerAt Dust, we're pioneering a revolutionary AI operating system designed to transform business operations. Our mission is to empower teams and individual employees to customize the precise agents they need to enhance productivity.With over 70% of our users actively engaging each week, Dust has become as integral to their workflows as tools like Slack and Notion.Currently, we are on a thrilling growth trajectory. We proudly serve esteemed clients such as Cursor, Clay, Whatnot, and Persona, and we are committed to achieving a fivefold increase in our growth by the end of 2026.Dust is a Sequoia-backed company with a passionate team of optimists who hail from industry leaders like Stripe and OpenAI. We prioritize user experience, swift execution, and maintain a fun atmosphere as we innovate.Role OverviewAs a Post-Sales Solutions Engineer at Dust, you will serve as the technical partner for our existing clients, ensuring they derive maximum value from our AI operating system throughout their journey. Your primary focus will be on fostering long-term customer success, unveiling expansion opportunities, and crafting impactful use cases that make Dust indispensable for their operations. Collaborating closely with our Customer Success and Product & Engineering teams, you will strengthen customer relationships and enhance retention.Key ResponsibilitiesCultivate deep expertise in Dust's product offerings, platform capabilities, and prompt engineering best practices, positioning yourself as the go-to expert for customer scenarios.Act as a trusted technical advisor to our Enterprise clients, establishing strong relationships with both technical and business stakeholders.Lead advanced implementation initiatives, focusing on high-impact use cases, technical integrations, and custom workflows.Conduct training sessions and workshops, effectively conveying Dust's value proposition to prospective buyers and evaluators, including security and compliance teams.

About MistralAt Mistral AI, we harness the transformative power of artificial intelligence to streamline workflows, enhance creativity, and promote efficient learning. Our innovative technology seamlessly integrates into everyday operations, delivering tangible benefits.We are committed to democratizing AI through high-performance, optimized, and open-source models and solutions. Our comprehensive AI platform caters to enterprise requirements, whether in on-premises or cloud environments. Our flagship product, le Chat, serves as an AI assistant tailored for both personal and professional use.As a dynamic and collaborative team, we are passionate about AI's potential to revolutionize society. Our diverse workforce excels in competitive environments and is dedicated to fostering innovation. We have teams located across France, the USA, the UK, Germany, and Singapore, sharing a culture that values creativity, humility, and teamwork.Join us in shaping the future of AI at a pioneering company. Together, we can make a significant difference. Discover more about our culture at https://mistral.ai/careers.About The RoleAs an Evaluation Engineer within the Applied AI team, you will be a key member of Mistral's customer-facing technical organization. Our mission is to collaborate directly with enterprise clients, guiding them from pre-sales through implementation to deploy advanced AI solutions that yield measurable business outcomes. Your role will blend deep machine learning expertise with robust customer engagement, functioning like a startup CTO who oversees complete project execution.In the realm of AI, many brilliant ideas remain unmeasured or unrealized. As our inaugural Evaluation Engineer, you will establish the methodology, develop the necessary infrastructure, and clarify what constitutes 'production-ready' across various sectors and applications.Your responsibilities will include designing and implementing evaluation systems that empower our clients to assess model performance tailored to their unique use cases. You'll be instrumental in building a resilient evaluation infrastructure and collaborating closely with both research and client-facing teams.While our research teams develop evaluations for cutting-edge capabilities, our clients seek practical, domain-specific, risk-aware evaluations that are production-ready. You will create frameworks that assess whether a medical summarization model is reliable or if a legal assistant can accurately interpret complex legal texts.

As a Principal Site Reliability Engineer at Scaleway, you will play a vital role in ensuring the reliability, scalability, and performance of our cloud infrastructure. You will lead initiatives to enhance system reliability and collaborate closely with engineering teams to implement best practices in Site Reliability Engineering (SRE). Your expertise will contribute to creating a robust cloud environment that supports our customers' needs.Join us in shaping the future of cloud services!

Alice & Bob is pioneering the development of the world's first universal, fault-tolerant quantum computer, aiming to tackle some of the most challenging problems facing humanity.The quantum computer we aspire to build is founded on a groundbreaking type of superconducting qubit known as the Schrödinger cat qubit ‍⬛. Unlike other superconducting platforms, cat qubits possess the remarkable capability of autonomously implementing quantum error correction! Our team comprises over 140 diverse and brilliant individuals hailing from more than 20 countries, all driven by a common vision: to revolutionize computing with a practical fault-tolerant quantum machine. Are you ready to embrace unprecedented challenges and contribute to the transformation of technology? Join us as we reshape the future of quantum computing!We are seeking a hands-on Mechanical Engineering Intern to support the interface between design and production. You will play a vital role in manufacturing activities, ensuring seamless process adherence while contributing to assembly and validation tasks. Your primary focus will be on shop-floor operations, troubleshooting, and continuous improvement, making this internship ideal for candidates eager to transform designs into reliable, tested systems. The Mechanical Engineering Intern will engage in both design and production efforts, supporting the complete lifecycle of electro-mechanical components from concept through to industrialization. Core responsibilities include:• Mechanical design, dimensioning, and sizing of components• Thermal calculations (expansion, contraction) tailored to operational and manufacturing constraints• Creation and optimization of manufacturing drawings and production processes• Active participation in prototype reception, inspection, assembly, and validation, either in-house or at client sites This position is closely linked to production, assembly, and validation requirements, ensuring that all processes post-purchase are meticulously managed and reported.

Voodoo is looking for a Senior Machine Learning Engineer in Paris to design and implement machine learning algorithms for mobile games. This position centers on building technology that enhances the gaming experience for millions of players. Key responsibilities Develop and deploy machine learning models specifically for mobile gaming applications Work closely with product and engineering teams to bring algorithms into live products Experiment with new methods to improve gameplay and increase user engagement Working at Voodoo Voodoo is recognized for its creative approach to mobile gaming and commitment to innovation. The company values practical solutions that make a real difference in game development and player satisfaction.

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 our dynamic team at Aircall as a VoIP Engineer, where you will play a crucial role in designing and implementing voice communication systems that enhance our customer experience. As a part of our innovative team, you will work on cutting-edge technologies to ensure seamless communication for our clients.

À propos de SkelloChez Skello, nous concevons la solution de gestion des ressources humaines la plus innovante pour optimiser la planification et la gestion des équipes de terrain.En Europe, les travailleurs de terrain représentent 50 % de la main-d'œuvre, mais seulement 20 % des solutions numériques leur sont effectivement dédiées. Skello a pour mission de remédier à cette lacune : notre plateforme collaborative et intuitive simplifie le quotidien des managers et des employés en optimisant et automatisant les tâches essentielles. Nous plaçons les équipes de terrain au centre de notre démarche. Grâce à des outils intelligents tels que notre Assistant Skello et notre planificateur intelligent, nous répondons directement à leurs besoins spécifiques. Notre objectif est clair : devenir la plateforme RH incontournable pour toutes les équipes de terrain en Europe. Quelques chiffres sur Skello • 7 secteurs d'activité clés • 25 000 entreprises font confiance à Skello aujourd'hui.• 600 000 employés utilisent Skello quotidiennement.• L'équipe Skello compte plus de 400 collaborateurs.• 3 bureaux européens : Paris, Lille et Barcelone. Notre culture d'entrepriseNous savons qu'atteindre notre mission nécessite de vivre nos valeurs au quotidien : SHIFT. Élever le niveau chaque jour Se soutenir mutuellement Imaginer demain, commencer aujourd'hui Prioriser les clients Prendre le travail au sérieux, mais pas soi-même

Join Skello as an Engineering Director and lead the charge in shaping innovative solutions that redefine the workforce management landscape. In this pivotal role, you will guide a talented team of engineers, driving both technical excellence and strategic direction. Your leadership will be instrumental in delivering high-quality products that enhance user experiences and streamline business operations.

Join the Innovation at Adyen At Adyen, we redefine the future of payments, data, and financial solutions for renowned clients including Meta, Uber, LVMH, Leboncoin, Decathlon, and Qonto. Our platform stands out as the go-to financial technology solution, meticulously engineered for ambition. We foster an environment that empowers our teams to achieve success, providing the culture and support necessary for individuals to take full ownership of their careers. We are driven by a collective passion to tackle unique technical challenges at scale, delivering innovative and ethical solutions that help businesses reach their goals more swiftly. Recognized as the Best Place to Work in France 2025 and the Best Place to Work for Women in 2023, Adyen France is where your career can thrive. Role Overview We are seeking an Integration Engineer with a strong technological background and hands-on experience in integration design, project management, and a keen focus on merchant satisfaction. In this role, you will be the key liaison with our merchants' technical teams, guiding them through the comprehensive design, development, testing, and launch stages of their integrations with the Adyen platform. Your primary goal will be to deliver an outstanding merchant experience throughout the project lifecycle. This position offers the chance to engage in a variety of projects across diverse payment solutions, including e-commerce platforms, marketplaces, and card issuing programs. Your technical proficiency and business insight will be crucial in ensuring a seamless implementation process while maintaining strong communication with merchants and internal teams. This role is based in our Paris office, and we are looking for a candidate who is both consultative and technically adept. Key Responsibilities: Apply development and programming expertise to design scalable and robust solutions for merchant integrations, ensuring compliance with payment best practices. Act as a consultative partner in areas such as e-commerce, point of sale, and multi-faceted platforms, guiding merchants through their integration journeys. Collaborate across different teams, including Sales, Account Managers, Product, and Engineering, to deliver seamless merchant experiences and foster continuous improvements. Utilize project management and technical consulting skills to oversee the delivery of high-quality projects while ensuring the technical integrity of merchant integrations. Provide expert consultation on optimizing payment solutions, including checkout experiences, authentication, omni-channel payments, and platform onboarding.

Believe is looking for an Engineering Manager to guide its engineering team in Paris. This position involves coordinating project delivery, supporting team development, and encouraging new ideas across the group. Role overview This role centers on overseeing engineering projects from start to finish. The Engineering Manager ensures that initiatives move forward smoothly and that the team works together effectively. Attention to both technical progress and team well-being is essential. Key responsibilities Supervise engineering projects and monitor progress Support and develop team members Promote collaboration and a positive team culture Encourage innovation within the team Requirements Experience leading engineering teams Strong organizational and communication skills Ability to manage multiple projects and priorities Motivation to foster a collaborative environment