RF Hardware Engineer at Harmattan AI | Paris

Join Scaleway's dynamic Operations & Hardware team as a Software Engineer or Firmware Engineer. You will play a pivotal role in designing, developing, and optimizing software solutions for cutting-edge hardware systems. Collaborate with a passionate team to drive innovation and enhance the performance of our products.

Join Scaleway as a Hardware Enablement Engineer specializing in Linux and Firmware. In this role, you will work closely with our engineering team to develop and optimize hardware solutions that drive our innovative cloud services. You will have the opportunity to collaborate on exciting projects, pushing the boundaries of what is possible in cloud technology.

Join Scaleway, a leading cloud service provider, as a Software Engineer specializing in Hardware Development. In this role, you will be instrumental in designing and implementing innovative hardware solutions that power our cloud infrastructure. Collaborate with a dynamic team of engineers to develop cutting-edge technologies that enhance our service offerings and meet the demands of our growing customer base.

Vizzia provides hardware solutions, including cameras, stations, and accessories, to over 250 local authorities, with plans to reach 450 by the end of 2026. The company is expanding both its technical capabilities and its market presence, following a recent €30M Series B funding round. This growth brings new challenges in delivering reliable, industrial-grade products at scale. The Hardware R&D team at Vizzia covers electronics, mechanics, and firmware. The Lead Hardware Engineer will play a central role in shaping system architecture, setting technical standards, and ensuring that lab innovations become robust products in the field. This position works closely with David, Head of Hardware, and the Paris-based hardware team. Main responsibilities Architecture and Technical Decisions Oversee system architecture across electronics, mechanics, and firmware, balancing performance, cost, and maintainability. Guide technical decisions in high-speed design and embedded systems, providing clear rationales for choices. Anticipate requirements for EMC, CE, and NDAA certifications from the start of each project. Strive for simplicity in design, removing unnecessary complexity. Industrialization and Quality Integrate Design for Manufacturing (DFM) and Design for Test (DFT) constraints early in the process. Develop and enforce validation plans that go beyond lab testing, including functional, environmental, EMC, and field tests. Prepare thorough industrial documentation for production, such as BOM, Gerber files, test reports, and procedures. Manage BOM costs and secure key components by establishing dual sourcing strategies. Lead go/no-go reviews before each hardware release and make final decisions. Technical Standards and Team Development Set and uphold high engineering standards for the hardware team, including documentation, validation, design reviews, and best practices. Serve as a technical reference for junior and mid-level engineers, supporting them in solving complex challenges.

About Mistral AIAt Mistral AI, we harness the transformative power of artificial intelligence to streamline workflows, enhance creativity, and optimize learning experiences. Our cutting-edge technology integrates effortlessly into everyday tasks.We strive to democratize AI through high-performance, optimized, open-source models and solutions. Our comprehensive AI platform caters to enterprise needs in both on-premises and cloud settings. Among our offerings is le Chat, your AI assistant for life and work.As a dynamic and collaborative team, we are passionate about AI's potential to revolutionize society. Our diverse workforce thrives in competitive settings and is dedicated to fostering innovation. With teams spread across France, the USA, the UK, Germany, and Singapore, we embody creativity, humility, and a strong team spirit.Join us in shaping the future of AI and making a meaningful impact. Discover more about our culture at https://mistral.ai/careers.Role OverviewAs our compute infrastructure rapidly expands to support our science and engineering teams, we are seeking a talented Datacenter Hardware Engineer to maintain, troubleshoot, and scale our GPU and CPU clusters with safety and reliability. This hands-on role is based in our Paris-area datacenter, where you will collaborate with hardware owners, data center operations, and vendors to ensure the optimal performance of one of France's largest GPU clusters.Location: Bruyères-le-Châtel — on-site roleReporting Line: Hardware OperationsYour Impact • Compute infrastructure is crucial for Mistral’s success and represents our largest expenditure. • Directly contribute to scaling: your efforts will maintain the health of one of France’s largest AI clusters as we expand significantly. • Facilitate revolutionary AI: your role is vital in enabling breakthroughs in AI technology.

MissionAt Vizzia, we design and manufacture connected hardware solutions that are deployed at scale. Our products need to perform reliably under real-world conditions.Your primary mission is critical: Ensure the reliability of our hardware before it is deployed in the field.You will establish structured validation processes to preemptively address potential production issues.Fewer bugs mean fewer replacements and reduced maintenance needs.You will serve as the bridge between ambitious design concepts and practical production realities. ResponsibilitiesDevelop detailed, structured test plans: Including functional coverage, edge cases, and stress testing.Conduct validation campaigns across mechanical, electronic, and firmware layers.Make autonomous Pass/Fail decisions: Well-documented, justified, and defensible.Create clear, actionable test reports that highlight risks and potential failures.Critically evaluate hardware design choices based on validation evidence—going beyond mere validation to analysis.Collaborate closely with development and industrialization teams to ensure production readiness.Directly contribute to achieving a defect rate of ≤ 3% across our installed base.Ensure that no critical issues arise during production and testing phases. ProfileDegree in Embedded Systems, Mechatronics, or a related field.Strong expertise across the hardware spectrum: electronics, mechanics, and firmware.Experience with real-world hardware challenges, beyond theoretical design.Proven skills in writing comprehensive test plans: structure, coverage, and acceptance criteria.Self-sufficient in making Pass/Fail decisions: able to own and defend your conclusions.Familiarity with CE/RED and IP/IK standards.Exposure to industrialization environments.Highly detail-oriented: documentation and validation are second nature.Passionate about testing, validation, and developing robust systems.⭐ Nice to haveExperience with automated testing frameworks.Familiarity with project management tools.

Join Mistral as a Field Hardware Engineer specializing in High Performance Computing (HPC). In this role, you will be responsible for deploying, troubleshooting, and optimizing cutting-edge hardware systems in various environments. Your expertise will directly contribute to enhancing computational performance for our clients. We seek a proactive engineer who thrives in dynamic settings and is passionate about technology and innovation.

À propos de SkelloChez Skello, nous concevons la solution de gestion des ressources humaines la plus innovante pour planifier et diriger les équipes sur le terrain. En Europe, 50 % des travailleurs appartiennent aux équipes de terrain, mais seulement 20 % des solutions numériques leur sont réellement dédiées. Nous avons créé Skello pour remédier à cette situation : une plateforme collaborative et intuitive qui facilite la vie des responsables et des employés, tout en optimisant et automatisant les tâches essentielles. Nous plaçons les équipes de terrain au centre de nos préoccupations. 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 solution incontournable en gestion des ressources humaines pour toutes les équipes de terrain en Europe. Statistiques clés sur Skello • 7 secteurs d'activité clés• 25 000 entreprises font confiance à Skello aujourd'hui.• Plus de 600 000 employés utilisent Skello chaque jour.• L'équipe Skello compte plus de 400 collaborateurs.• Nous avons 3 bureaux en Europe : Paris, Lille et Barcelone. Notre culture d'entrepriseNous savons que pour réaliser notre mission, il est essentiel d'incarner nos valeurs au quotidien : SHIFT. Élever les standards chaque jour Se soutenir mutuellement Imaginer demain, agir aujourd'hui Prioriser les clients avant tout Prendre le travail au sérieux, mais pas soi-même

Join Arago and the Team of InnovatorsArago is at the forefront of AI and computer hardware innovation, with a mission to shape the future by driving significant advancements at the intersection of artificial intelligence and semiconductor technologies.Founded in 2024 by a team of AI researchers and physicists with profound expertise in photonics, electronics, software, mathematics, and machine learning, Arago unites a talented group of engineers and scientists drawn from the world’s leading companies and research institutions.With a diverse workforce representing nine nationalities and operating from strategic hubs in France, North America, and Israel, we are committed to exceptional science and rapid progress. Our work is anchored in core principles such as:Achieve Excellence: We take pride in delivering work that reflects our highest standards.Speed of Execution: We prioritize agility in our processes, advancing steadily and swiftly.Team Unity: We foster a collaborative environment grounded in trust, respect, and camaraderie.Arago is supported by seasoned executives from industry giants like Apple, Arm, Nvidia, Microsoft, and Hugging Face, along with esteemed deeptech venture capital firms from the US and Europe.

Join Scaleway, a leading cloud service provider, as a Hardware Architect. In this pivotal role, you will design and develop cutting-edge hardware solutions that drive our infrastructure and services. Collaborate with cross-functional teams to innovate and enhance our product offerings, ensuring scalability, reliability, and performance to meet the demands of our growing customer base.

Join Scaleway as our Hardware Expertise Manager, where you will lead a dynamic team to shape the future of cloud infrastructure. Your role will involve overseeing hardware development, ensuring high-quality standards, and collaborating with cross-functional teams to optimize performance and reliability.

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 Mistral AIAt Mistral AI, we harness the transformative potential of artificial intelligence to streamline processes, enhance creativity, and boost productivity. Our innovative technology integrates effortlessly into everyday workflows.We are dedicated to democratizing AI with high-performance, optimized, and cutting-edge open-source models, products, and solutions. Our extensive AI platform caters to both enterprise and individual needs, featuring offerings such as Le Chat, La Plateforme, Mistral Code, and Mistral Compute, all designed to deliver state-of-the-art intelligence to users.Our team is dynamic, collaborative, and driven by a shared passion for AI and its potential to impact society positively. We celebrate diversity within our workforce, which spans across France, the USA, the UK, Germany, and Singapore, and we thrive in competitive environments committed to innovation. Our culture is creative, team-oriented, and low-ego.Join us at the forefront of AI innovation, where together we can make a significant difference. Discover more about our work culture at https://mistral.ai/careers.Mistral AI participates in the E-Verify programPosition Overview – Software Engineering TrackAs a Research Software Engineer, you will be instrumental in designing and fortifying our codebase, tools, and distributed services that empower our scientists to train and deploy frontier-scale models. Prior experience in machine learning is not a prerequisite; what is essential is your ability to write clean, reliable, and scalable code.You will collaborate with our Platform Research Engineers team to create and maintain shared development tools, evaluation and data pipelines, training frameworks, cluster tooling, and CI/CD processes.Location: Paris / London (hybrid) or remote within the EU/UK with one in-person meeting per month.Key Responsibilities• Facilitate research by managing the intricate components of large-scale pipelines and delivering robust internal tools.• Bridge the gap between research and product: develop clean APIs, automate model deployments, and present real-time metrics.• Write high-quality, well-tested Python and systems code; enforce best practices in code reviews, CI, and observability.• Design and optimize distributed services (Kubernetes / SLURM, handling thousands of GPU jobs).• Prototype tools (CLI, dashboards) and refine them into stable, shared libraries.About the Research Engineering TeamOperating from Paris and London, our Research Engineers fluidly navigate between research and production, ensuring the seamless implementation of innovative AI solutions.

At Joko, we empower consumers to shop smarter and save money. Our mission is to transform the shopping experience, enabling individuals to make informed decisions about their purchases.Founded in Paris, Joko is a tech-driven company and a certified B Corp, boasting over 90 talented employees across Paris, Barcelona, New York, and beyond. Over 5 million users benefit from our services, saving money daily at more than 10,000 merchants through our platform.We offer a range of features, from cashback and automatic coupons to price alerts and carbon tracking, continually enhancing our products to facilitate smarter shopping. Currently, we are developing an AI-powered shopping assistant to help users identify the best products based on price, quality, and impact.Having achieved profitability in our primary market, we are now expanding globally, with a keen focus on the US market.Join us at the forefront of the shopping revolution! Our Engineering TeamOur Engineering team thrives on tackling advanced technical challenges with innovative solutions. With a strong emphasis on product design and innovation, they are shaping the future of shopping. Their goal is to positively influence the everyday lives of millions of users worldwide.As a member of the Engineering team, Software Engineers collaborate closely with the Product team throughout the entire process—from exploration and design to implementation and deployment. At Joko, we understand that teams composed of engineers with diverse skill sets, working in tandem with product teams, can deliver a truly delightful and innovative user experience.The Engineering team is rapidly expanding to continuously innovate across all facets of our product and technology stack, driving the transformation of online shopping. Your RoleAs a Growth Software Engineer, you will play a crucial role in scaling Joko's user and business growth through your coding expertise. Collaborating closely with the Product team, you will iterate quickly on key growth drivers—such as acquisition, retention, and engagement—as we expand into international markets, beginning with the US.You will work at the intersection of product and engineering, propelling the business forward within a dedicated cross-functional task force that includes key members from Marketing, Data, Business, and Product.Growth Experimentation: You will design, build, and deploy experiments across the entire user journey—from onboarding to retention—to drive significant results in key growth metrics.

About MistralAt Mistral AI, we harness the transformative power of artificial intelligence to streamline tasks, optimize time management, and foster creativity and learning. Our innovative technology is engineered for seamless integration into everyday work environments.We democratize AI through our high-performance, optimized, open-source models, products, and solutions. Our robust AI platform caters to enterprise demands, whether deployed on-premises or in cloud infrastructures. Among our offerings is 'le Chat', an AI assistant designed for both personal and professional use.We are a dynamic and collaborative team, deeply passionate about AI’s potential to revolutionize society. Our diverse workforce excels in competitive settings, dedicated to driving innovation. With teams spread across France, the USA, the UK, Germany, and Singapore, we thrive on creativity, humility, and team collaboration.Join us in redefining the future of AI. Together, we can make a significant impact. Discover more about our culture at https://mistral.ai/careers.About The JobMistral AI is on the lookout for an Applied AI Engineer to champion the adoption of our products, partnering with clients to tackle intricate technical challenges.The Applied AI Engineer - Software Engineer will play a crucial role within our Applied AI Engineering team, focused on ensuring the successful implementation of Mistral AI products. This role involves close collaboration with clients from pre-sales to post-implementation, ensuring our solutions not only meet but exceed client expectations.What You Will Do• Collaborate intensively with researchers, AI engineers, and product engineers on sophisticated customer projects, embedding advanced AI models into client software solutions.• Design, develop, and manage scalable full-stack applications, facilitating seamless interaction between front-end and back-end components.• Work alongside customers to craft complex use cases, providing expert guidance for optimal integration with back-end and front-end interfaces.• Partner with our product and science teams to continually enhance our product offerings and model capabilities, driven by customer feedback.About You• You possess fluency in English.• You hold a degree in Computer Science, Software Engineering, or a related discipline.• You have a minimum of 2 years experience as a technical contributor in advanced technology environments.• You demonstrate strong coding proficiency in Python and TypeScript.• Your passion for AI and innovation is evident in your work ethic and collaborative spirit.

About UsHarmattan AI is at the forefront of building advanced, autonomous defense systems that are both scalable and effective. Following our successful $200M Series B funding round, which has positioned our company at a valuation of $1.4 billion, we are expanding our teams and capabilities to provide mission-critical systems to allied forces worldwide.Our operations are driven by our core values: developing impactful technologies, striving for excellence, setting ambitious targets, and tackling the most challenging technical hurdles. We thrive in a high-pressure environment that demands rigor, ownership, and execution.About the RoleAs a Flight Operations Engineer, you will serve as a critical link between our R&D lab and the operational field. Your primary responsibility will be overseeing the deployment of our technology, demonstrating its capabilities to global defense partners, training end-users in complex autonomous systems, and conducting thorough field validations. This position demands a unique blend of exceptional piloting skills, hands-on hardware engineering, and a high level of technical independence.ResponsibilitiesPlan and implement real-world test campaigns to assess the performance, reliability, and edge-case behaviors of new hardware and software iterations.Lead high-stakes live flight demonstrations for defense stakeholders, showcasing specialized mission capabilities in varied environments.Develop and deliver comprehensive training programs to ensure clients can operate Harmattan AI systems safely and effectively, covering key areas such as flight theory, autonomous mission planning, and emergency procedures.Collaborate with hardware, software, and systems teams to support debugging and iterations based on test results.Manage the deployment and tactical logistics of autonomous systems, ensuring seamless integration of command-and-control (C2) infrastructure and RF data links in complex, real-world settings for total mission readiness.

Join Terabase Energy as a DevOps Engineer on our Software Platform & Applications Team. In this role, you'll collaborate closely with software developers and IT teams to enhance our deployment pipelines and ensure system reliability. Your expertise will contribute to building scalable infrastructure and optimizing our continuous integration/continuous deployment (CI/CD) processes.As a crucial member of our team, you'll have the opportunity to innovate and implement best practices in DevOps, making a tangible impact on our software delivery lifecycle.

At Joko, we empower consumers to shop smarter, revolutionizing the shopping experience by enabling informed decisions and significant savings.Originating from Paris, Joko is a pioneering tech company and a certified B Corp with a diverse team of over 90 skilled professionals located across Paris, Barcelona, New York, and beyond. With over 5 million users benefiting from our services at more than 10,000 merchants, we are committed to enhancing the shopping experience.Our innovative offerings include cashback, automatic coupons, price tracking, and carbon footprint monitoring. Currently, we are developing an AI-driven shopping assistant to guide users toward optimal product choices based on price, quality, and environmental impact.Having achieved profitability in our primary market, we are poised for global expansion with a strong emphasis on the US market.Join us on this exciting journey to shape the future of shopping!This position is remote-friendly for candidates in France and Spain. Our Engineering TeamsAs a Software Engineer at Joko, you will engage with a variety of cutting-edge technical challenges and impactful projects. Depending on your skills and interests, your contributions could span key areas such as:Tech: Work alongside the Product team to innovate Joko's user-facing products, taking full ownership from ideation through to deployment. You'll tackle complex engineering challenges, such as developing AI-powered shopping assistants or creating scalable algorithms to analyze extensive data from e-commerce platforms worldwide.Operations: Collaborate with all teams at Joko by designing and implementing software solutions that enhance operational efficiency at scale. Projects may include building customer support systems, improving fraud detection, or developing AI tools to streamline team operations. Your ResponsibilitiesAt Joko, we value ownership and adaptability. You will take full responsibility for your projects, guiding them from initial concept to live deployment, ensuring excellence and innovation throughout. We seek versatile engineers equipped with a broad range of technical skills to tackle complex, cross-domain challenges. Your key responsibilities will include:

About H H focuses on advancing superintelligence through agentic AI. The company’s mission centers on automating complex, multi-step tasks that people usually handle, aiming for AI agents to help realize the full range of human potential. H seeks talented AI professionals who care deeply about responsible and safe development, as well as technical progress in agentic systems. The culture values openness, ongoing learning, and teamwork. Every team member’s input matters here. Product Engineering at H The Product Engineering team develops H’s Enterprise Platform, which provides customers with tools and services for essential operational needs. This platform supports large-scale computer-use agents, manages complex workflows, and offers a suite for observability, troubleshooting, and evaluation. Product Engineering connects AI research with practical applications and works closely with teams across the company.