Senior Hardware Design Engineer at Arago | Paris

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.

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.

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.

Join Scaleway as a Cloud Software Engineer and help shape the future of sovereign cloud solutions! At Scaleway, we are on a mission to build secure, sustainable infrastructures that empower ambitious organizations. Since our inception in 1999, we have evolved from a dedicated server provider to a leading cloud service provider in Europe, with a strategic focus on delivering simplicity, flexibility, and technical excellence. We are backed by the Iliad Group, which is investing €3 billion to develop a sovereign AI alternative to global leaders. As part of our Cloud Product Engineering team, you will design and implement core IaaS and PaaS components that support the delivery of reliable and scalable cloud services. You will collaborate with a diverse team of passionate engineers dedicated to advancing our cloud infrastructure and enhancing system resilience, ensuring that we continue to serve clients across various sectors, from large corporations to innovative startups.

Role Overview iliad-free is looking for a Software Development Engineer (F/H) to join its team in Paris. This role focuses on building and improving software that supports the company’s telecommunications services. What You Will Do Design and develop software solutions for iliad-free’s user-facing and internal systems Write, test, and optimize code to improve performance and reliability Collaborate with team members to deliver features that improve user experience Location Paris

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 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 Our Innovative TeamAt Harmattan AI, we are at the forefront of developing autonomous and scalable defense systems. With a successful $200M Series B funding round that has valued us at $1.4 billion, we are expanding our capabilities to deliver mission-critical systems to allied forces. Our commitment to excellence and impactful technology drives us to set ambitious goals and tackle the toughest technical challenges.Your Role AwaitsAs an RF Hardware Engineer, you will play a pivotal role in our R&D team, focusing on the development of a wireless link module for drone-to-base station communication. Your expertise will be essential in designing and integrating PCBs and electrical systems in a compact and rugged form factor, ensuring optimal reliability, low latency, and readiness for field deployment.

About UsAt MARGO, our consultants focus on what truly matters: complex projects that blend intellectual challenges with significant business impact. We partner with leading players in finance, industry, and technology to design and develop high-performance software solutions, including distributed architectures, cloud platforms, real-time systems, and large-scale critical applications.Why Join Our Software Engineering Practice?You will work alongside an experienced team led by Paul Blois, Practice Manager at MARGO for 5 years, and Prosper Gratian, Practice Lead and C++ Developer. Collaborating with them means benefiting from in-depth company knowledge, receiving close mentorship for your career growth, and contributing to demanding IT projects that have a high impact on our clients.Your Responsibilities- Design, develop, and optimize high-performance C++ components.- Participate in the migration of critical applications.- Contribute to the establishment of an internal framework for cross-functional applications.- Ensure code quality, performance, and maintainability.- Engage in code reviews, continuous improvement, and sharing best practices.Technical Stack: Modern C++ (C++17/20)Associated tools and technologies: Kafka, ElasticSearch, Git, CI/CD, AWS.Challenges: Performance, robustness, and managing large data volumes (processing 9 billion messages).Desired ProfileWe are looking for a passionate C++ developer with an interest in real-time systems and financial markets, eager to thrive in complex, high-performance environments.- Master's degree (engineering school or university).- Strong skills in C++, multithreading, performance optimization, and development best practices (SOLID, unit testing).- Experience in critical systems development and real-time data stream processing.

Join our dynamic team at amo as a pivotal member of our Android engineering group. As one of the early hires in a product-centric company, you will play a crucial role in shaping our design and product decisions from the ground up.Initially, you will collaborate closely with our founding team, gradually taking ownership of key components and features. We are looking for adaptable engineers who are eager to contribute to various foundational aspects of the company as we grow.We are committed to developing a team of subject matter experts, and we value team members who dive deep into their fields of expertise.As an Android Engineer, your day-to-day responsibilities will include:Feature DevelopmentYou will be at the forefront of delivering innovative and high-quality UI features in a fast-paced setting. We encourage you to push the limits of what's possible, leveraging your expertise in low-level APIs, shader creation for dynamic effects, and custom rendering systems.Platform DevelopmentYou will actively contribute to the creation and enhancement of our platform. This involves developing careful abstractions utilized by other Android team members, such as media encoding, decoding and playback; performance tracing libraries; and our own components for navigation and deep links across applications. Your work will extend beyond individual features to encompass cross-company components.Roadmap Creation and IdeationYou will play a vital role in the roadmap creation and ideation process, where your experience will be crucial in identifying trade-offs and offering valuable insights from both product and engineering standpoints.Knowledge SharingWe emphasize continuous learning and knowledge exchange. Your involvement in staying current with the latest trends and best practices, attending conferences, engaging in online communities, and sharing your insights internally will significantly contribute to our collective growth.Owning Your ScopeYou will be responsible for monitoring analytics and managing system crashes. We value engineers who take ownership of their responsibilities, proactively addressing issues and triaging bug fixes.

Who are we?At MARGO, our consultants focus on what truly matters: tackling complex projects that combine intellectual challenges with real business impacts. We support major players in finance, industry, and technology in designing and developing high-performance software solutions, including distributed architectures, cloud platforms, real-time systems, and large-scale critical applications.Why join the Software Engineering Practice?You will be part of a team led by Paul Blois, Practice Manager at MARGO for five years. Working alongside them means benefiting from in-depth company knowledge, receiving close support for your career development, and contributing to demanding IT projects with significant impact for our clients.Your Responsibilities- Design, develop, and optimize a new web application for the reporting, tracking, and auditing of insiders (staff with access to sensitive information) for a major banking client.- Participate in defining and implementing a high-performing and scalable architecture.- Address performance optimization challenges in both front-end and back-end systems.- Ensure code quality, maintainability, and security of the solution.- Collaborate closely with product, security, and infrastructure teams for seamless integration.- Contribute to code reviews, continuous improvement, and the sharing of best practices.Languages: Java 17, TypeScriptAssociated frameworks and technologies: Spring Boot, Angular 12, Git, CI/CDChallenges: performance, response time optimization, robustness, and regulatory complianceDesired ProfileWe are looking for a full-stack developer who is passionate about real-time systems and interested in financial markets, eager to work in complex and high-performance environments.- Education level: Master’s degree (engineering school or university).- Strong skills in both back-end and front-end development, multithreading, performance optimization, and good development practices (SOLID, unit testing).- Experience in developing critical systems, real-time data stream processing; experience in finance is a plus.- Ability to solve complex technical problems.

believe is hiring a Senior Software Engineer with a focus on React and Java for its Paris office. This role centers on creating web applications that deliver effective user experiences. Key responsibilities Design and build web applications using React and Java Collaborate with colleagues across different teams to understand requirements and deliver solutions Support ongoing enhancements to software products Location This position is based in Paris.

At Swile, we are committed to enhancing professional experiences through innovative product solutions that alleviate daily challenges and elevate employee satisfaction. Our cutting-edge offerings in Fintech, Travel, HR, and Employee Benefits serve over 5.5 million users across 85,000 companies in France and Brazil, making a significant impact on the workplace.As a Senior Software Engineer, you will play a pivotal role in problem-solving, blending creativity with technical expertise. Your focus will be on delivering high-quality solutions swiftly and effectively, addressing both business and engineering challenges with innovative strategies rather than being restricted to specific technologies.

About Scality:Scality is a leading FrenchTech startup celebrated for its exceptional technical expertise and substantial contributions to open-source projects. As a proud member of the French Tech 120 (#FT120), Scality stands at the forefront of the software-defined storage industry, serving over 300 clients across more than 30 countries. This includes major telecommunications companies, banks, television networks, and over 30 healthcare institutions. Scality is committed to being an outstanding employer, offering numerous benefits such as ongoing education, sports budgets, worldwide paternity leave, and other perks that exceed standard market offerings. Additionally, Scality is dedicated to sustainability, heavily investing in remote conferencing solutions to reduce travel and offsetting the carbon emissions associated with business travel. Our internal motto is: “Work hard, play hard, eat well, and amaze the customer!” The phrase “Eat well” truly captures our ethos of enjoying life, which is a principle that Scality's team members embody wholeheartedly! Discover more about Scality on our Careers page. Get an insider perspective on the culture and everyday life at Scality. Stay updated by following us on LinkedIn, Twitter, and Glassdoor. Startup Perks! Generous RTT along with regular PTOTop-tier equipment (Apple/Dell laptops, Bring-Your-Own-OS policy, dual monitors)Stock option grantsIndividual performance incentivesFlexible work arrangements (up to 4 days remote/week or 2 days/month in-office) - must be a resident of France.Wellness and sports initiativesSubstantial training budget (for internal/external development, conferences, and coaching)Donation matching programAnnual company-wide “Kick-Off” eventFun food options: weekly breakfast gatherings, lunch delivery services, endless coffee/tea/chocolate drinks, and moreOffice entertainment: Babyfoot, Ping-Pong, board games, and organized group activities

About UsAt MARGO, our consultants focus on what truly matters: intricate projects that combine intellectual challenges with real business impact. We partner with leading players in finance, industry, and technology to design and develop high-performance software solutions, including distributed architectures, cloud platforms, real-time systems, and large-scale critical applications.Why Join the Software Engineering Practice?You will be part of a team led by Paul Blois, our Practice Manager for the past five years. Collaborating with him means benefiting from his in-depth knowledge of the firm, receiving close mentorship for your personal development, and contributing to demanding IT projects that have a significant impact on our clients.Your ResponsibilitiesJoin an international team of electronic trading experts dedicated to developing high-performance market solutions. Your tasks will include:- Designing and enhancing trading bots capable of executing complex real-time strategies.- Optimizing performance (latency, multithreading) and managing high data volumes.- Ensuring robust C# code, adhering to SOLID principles, with testing and code reviews.- Contributing to the management of Cloud infrastructures (Azure) and data security.Candidate ProfileWe are looking for a C# developer passionate about real-time systems and interested in market finance, eager to thrive in complex, high-performance environments.- Educational background: Master’s degree (engineering school or university).- Strong skills in C#, multithreading, performance optimization, and best development practices (SOLID, unit testing).- Experience in developing critical systems, processing real-time data streams; experience in finance is a plus.- Ability to solve complex technical problems and collaborate with multidisciplinary teams.- Enthusiasm for demanding environments.