Software Engineer - Hardware Development

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 offerin…

Join Theodo and Shape the Future of Digital ProductsSince 2009, Theodo has been supporting innovative companies in the design, development, and deployment of cutting-edge digital products. We leverage the best in technology combined with a Lean approach.Our unique methodology is grounded in three core principles:- We have developed recognized expertise in key technologies for product design and development;- At every stage of the project, our priority is to create value for our clients;- We recruit top digital talents and foster their ingenuity through a Lean approach.Theodo has experienced exceptional growth over the past 15 years, with a team of over 700 passionate Theodoers, primarily Software Engineers committed to technology and continuous improvement. As we grow, our organization has specialized into technology-focused entities (Theodo Apps, Theodo Cloud, Theodo Data & AI) and industry-specific teams (Fintech, Govtech, Healthtech, Consumer Products). By 2025, Theodo aims to achieve €100M in revenue.Your Team:You will join a vibrant tech community of over 120 Theodoers: software engineers, tech leads, engineering managers, and architects, where you can exchange ideas, learn, and grow every day.At Theodo, our tech teams collaborate in project-based teams tailored to each client's needs. You will be part of a small team of 4 to 5 Theodoers, including Software Engineers, a Tech Lead, and a Product Manager. Together, you will work closely with clients, engaging in regular discussions to share updates, deepen understanding of their challenges, and evolve the product in alignment with user needs.Your Future Missions:As a Fullstack Software Engineer at Theodo, your mission will be to design and develop useful, high-performing, and sustainable digital products that address the challenges faced by our clients and their users.

Scaleway has provided secure and sustainable infrastructure since 1999. The company began with dedicated servers under the Dedibox brand, then expanded into cloud computing in 2015. Today, Scaleway is recognized as a European cloud provider. With support from the Iliad Group and €3 billion invested in building a sovereign AI alternative, Scaleway is positioned to address growing needs in artificial intelligence. The company’s work is shaped by three core values: simplicity, flexibility, and technical expertise. Scaleway serves a broad range of clients, including large enterprises like France Télévisions and Hachette Livre, startups such as Photoroom and Biolevate, and public organizations including the City of Copenhagen. Location This Software Engineer position is based in Paris. Scaleway also maintains offices in Lille, Toulouse, Rennes, Rouen, Bordeaux, and Lyon.

Paris | Full-time | Fluent in French & English The e-commerce landscape is evolving rapidly, yet independent brands often find it challenging to compete with the logistical efficiency of industry giants like Amazon. At Bigblue, we are dedicated to transforming this reality.Our mission is to empower brands by providing access to top-tier operational capabilities, enabling them to grow swiftly while ensuring an exceptional customer experience.Since our inception in 2018, we have developed an innovative tech-driven logistics platform that currently supports over 500 brands, ranging from rapidly expanding direct-to-consumer enterprises to globally recognized names such as MUJI, Aigle, and Cabaïa. With a talented team of 110+ employees across Paris, Madrid, and London, and our proprietary Warehouse Management System (WMS) Atlas, we are tackling logistics challenges that others shy away from — making fulfillment processes faster, smarter, and more sustainable.Backed by over $20 million in funding and trusted by the next generation of e-commerce innovators, we are experiencing rapid growth — aiming to handle 10 million orders in 2024 and embarking on ambitious enterprise expansion. The future is bright, and we’re searching for the right partners to help us lead the charge.

About UsAt Sierra, we are pioneering a revolutionary platform designed to enhance business-client interactions through advanced AI technology. With our headquarters in San Francisco and expanding offices in Atlanta, New York, London, Paris, Singapore, and Japan, we embody a truly global presence.Our commitment to our core values—Trust, Customer Obsession, Craftsmanship, Intensity, and Family—shapes our culture and drives our actions as we strive for excellence in everything we do.Founded by industry visionaries Bret Taylor and Clay Bavor, our leadership is grounded in extensive experience from top tech firms including Google and Salesforce.Your RoleArchitect and deploy advanced AI agents: You will be responsible for designing and implementing high-performance, dependable, and user-friendly AI agents that are integral to Sierra's success. These are not mere prototypes; they are robust, scalable solutions operating in live environments across various sectors including finance, healthcare, and e-commerce.Lead the Agent Development Life Cycle: You will take full ownership from initial concept through deployment and ongoing refinement, ensuring that our AI agents evolve to meet the highest standards of excellence.Collaborate with major enterprises and innovative startups: Engage with leaders from the world’s largest corporations to tackle their critical business challenges and develop AI agents that redefine operational efficiency. You will also partner with cutting-edge startups, integrating AI agents into their systems.

Join Our Team at KovaleeAt Kovalee, established in 2020, we are on a mission to revolutionize the mobile industry by empowering app developers to reach the pinnacle of their niche, irrespective of their resources. Our cutting-edge technology and deep expertise in user acquisition, app store optimization, product enhancement, and monetization enable developers to concentrate on their passion while we accelerate their app's growth. Our successful applications, such as Bend, PepTalk, and ParrotPal, showcase our commitment to excellence and our ability to drive results.Recognized as one of the fastest-growing startups of 2024 by Sifted, we are a diverse team of over 20 professionals from more than 15 nationalities, unified by a common goal: to redefine the mobile app landscape.We are seeking a Senior Software Engineer to become a crucial part of our team, responsible for creating and sustaining the foundation of our publishing platform. In this role, you will collaborate closely with operations to address real-world business challenges while helping us innovate rapidly and ambitiously. You will report directly to the CTO and work alongside another talented software engineer.

About UsHarmattan AI is at the forefront of innovation in defense technology, developing autonomous and scalable systems that enhance mission capabilities. Following our successful $200 million Series B funding round, which valued the company at $1.4 billion, we are actively expanding our teams to deliver critical systems to allied forces.Our operations are driven by a commitment to creating technologies that make a significant impact, striving for excellence, setting ambitious objectives, and tackling challenging technical problems. In our fast-paced environment, we expect rigor, ownership, and execution from every team member.About the RoleWe are seeking a talented Software Engineer to join our Geometric Scene Understanding team in Paris. This role involves bridging the divide between advanced mathematical research and essential production software. While our Computer Vision (CV) engineers focus on developing core algorithms for 3D reconstruction—including SfM, SLAM, and Neural Radiance Fields—you will transform these intensive prototypes into high-performance, real-time engines designed for resource-constrained tactical hardware.As the architect of our pipeline, you will process live drone telemetry and video, producing real-time 3D battlefield renderings that enhance the Common Operational Picture (COP) for our users.ResponsibilitiesPipeline Development: Design and implement a robust software pipeline to ingest, decode, and synchronize multiple drone video streams and telemetry data efficiently.Performance Optimization: Analyze CV algorithms and optimize performance by leveraging GPU acceleration (CUDA, Vulkan, or TensorRT) and CPU multi-threading to achieve near real-time 3D reconstruction.Spatial Data Management: Develop efficient 3D data structures, such as Octrees or Voxel grids, for storing, compressing, and streaming point clouds or meshes without exceeding memory limits.Code Translation: Work collaboratively with CV engineers to convert Python/PyTorch prototypes into stable, production-ready C++ code that operates seamlessly for extended periods without memory issues.Testing and Validation: Deploy builds on actual tactical PCs and evaluate performance metrics, including thermal management and GPU utilization during live drone operations.

Role Overview Theodo is hiring a Lead Software Engineer for its Healthtech division in Paris. This role centers on guiding teams to build software that improves healthcare delivery. The position involves hands-on leadership, technical direction, and a focus on solutions that make a real difference in patient care. What You Will Do Lead engineering projects from concept to delivery within the Healthtech division Work closely with other engineers to design and build scalable software Set and uphold high standards for code quality and system performance Encourage collaboration and creative problem-solving across the team 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.

Join amo as one of the pioneering members of our Web Engineering team. In your initial months, you will collaborate closely with the team to develop and manage the systems that drive our operations, analytics, and distribution. We seek adaptable engineers who are eager to take ownership of comprehensive components, from architecture and implementation to monitoring.We prioritize engineers who delve deep into their work, cultivating strong domain expertise and fully embracing the responsibilities of their role. Your contributions will be vital in scaling our web stack, enhancing our internal product philosophy, and accelerating the company’s growth and learning.At amo, our Web team constructs the foundation of our internal platform: from Backoffice tools and growth dashboards to experimentation systems and invite-page infrastructure, as well as analytics implementation and the UI and backend layers that empower other teams to function effectively.Your Daily Responsibilities as a Web Engineer Include:Developing Internal Tools & Backoffice SystemsCrafting internal platforms for data access, monitoring, and operational workflows, collaborating directly with internal users to identify their needs and challenges, translating these insights into scalable, well-engineered solutions that integrate seamlessly into our stack.Managing Growth & Distribution InfrastructureBuilding systems for growth levers, managing distribution flows, and facilitating tracking for acquisition, activation, and retention, including invite pages enriched with OG metadata.Orchestrating SegmentationUtilizing our workflow orchestration system (Restate) to design robust, event-driven workflows that bolster growth mechanisms, data processing, segmentation logic, and lifecycle automation across the platform.Creating Metrics Dashboards & Data VisualizationsDeveloping real-time dashboards that convert metrics into actionable insights for the team.(Optional) AI-Driven AutomationContributing to AI/LLM-powered pipelines for scalable content and metadata generation, delivery, and publishing, with systems that adapt and improve based on performance and/or manual evaluation.End-to-End OwnershipTaking complete ownership of projects from inception to deployment, ensuring quality and efficiency at every stage.

Location: Flexible (Paris Issy-les-Moulineaux). This role provides the opportunity to work from home while being close to an office location. The Role As a Senior Cross-Platform Software Engineer at GoPro, you will play a pivotal role in enhancing and sustaining the core software that powers GoPro’s software ecosystem. You will be tasked with developing and refining software and tools that are utilized in mobile applications, desktop software, the GoPro cloud, and GoPro cameras. We are looking for a candidate with expertise across multiple platforms, programming languages, tools, and build systems who thrives in an agile software development environment. In this position, you will create high-quality, thoroughly tested libraries and tools that are compatible across various platforms. Collaborating with platform-specific teams, you will integrate these libraries and tools to construct a unified software ecosystem designed to help users capture and cherish their most treasured photo and video moments. What You Will Do Design, build, test, and maintain cross-platform software for client application development teams. Engage with a diverse array of platforms (desktop, mobile, cloud, embedded). Explore various domains, including media file format support, graphics programming, AI integration, platform abstractions, and algorithm development. Continuously enhance the quality and reliability of the code. Advance the software engineering system for improved software management, integration, and build processes. Skills We’re Excited About Bachelor's degree in Computer Science, Engineering, or a relevant field. 3-5 years of experience in cross-platform software development using C++ and at least one additional programming language. Excellent communication skills, both written and verbal. Bonus Points For Proficiency in modern C++ (C++11 and newer). Familiarity with the CMake build system. Experience developing libraries and applications for Windows, macOS, Linux, iOS, and Android. Strong skills in git, including GitHub Actions. Proficiency in Java, Kotlin, Swift, Objective-C, C#, and Python. Experience with Xcode, Visual Studio, and Android Studio. Background in working with photo, video, or audio media. A passion for photography and videography. Why Work With Us?

Are you passionate about creating exceptional software experiences? Join Speechify as a Senior Software Engineer in our Core Experiences team based in Paris, France. In this role, you will be instrumental in designing and developing innovative solutions that enhance user engagement and drive our mission forward. Collaborate with cross-functional teams to transform ideas into reality while ensuring top-notch performance and scalability of our applications.

Join Aircall, a trailblazing AI-driven customer communications platform that empowers over 22,000 companies globally to enhance revenue, expedite issue resolution, and scale their customer-facing teams. We are revolutionizing customer engagement by integrating voice, SMS, WhatsApp, and AI into a unified workspace.Our success is rooted in a straightforward philosophy: assist teams in working smarter, not harder. With innovations like Aircall’s AI Voice Agent for automating routine calls, AI Assist for streamlining post-call tasks, and AI Assist Pro for real-time support, we enable teams to deliver their best performance. This leads to increased revenue, quicker resolutions, and a confident scaling of operations.Headquartered in Paris, our European hub, Aircall also boasts a significant North American presence in Seattle, alongside teams in Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. With a product that customers adore and rapid growth backed by esteemed investors, we are at the forefront of AI innovation across diverse product lines.At Aircall, you'll become part of a dynamic organization. We are ambitious, product-focused, and driven by execution, leading to visible impacts, swift decision-making, and genuine career growth.Our Work Culture: We are customer-centric, data-informed, and committed to achieving significant outcomes. We value ownership, continuous learning, and thoughtful agility. If you thrive in a collaborative, fast-paced environment where trust and impact are prioritized, you will feel at home here.As a Software Engineer, you will play a vital role in designing, developing, deploying, and managing business-critical features that enhance customer value. Your daily responsibilities will include ensuring operational excellence, monitoring metrics, fostering observability, and adhering to industry best practices.Driven by quality, excellence, and agility, you will contribute to the continuous improvement of our delivery processes. Utilizing NodeJS and Typescript for our back-end stack, tailored to meet specific needs, and always hosted on AWS, we develop resilient services that integrate seamlessly with our customers’ essential tools (CRM, Helpdesk, E-Commerce, etc.).

Join Segula Technologies as a Project Manager specializing in Electrical Engineering for CFO/CFA and SSI in the Rail Infrastructure sector. In this pivotal role, you will lead technical projects, ensuring compliance with high safety standards while driving innovation in electrical systems.Your responsibilities will include managing project timelines, coordinating with multidisciplinary teams, and acting as the primary point of contact for clients and stakeholders. You will leverage your expertise to optimize project planning and execution, contributing to the advancement of rail infrastructure.

Back Market is looking for a Software Engineer focused on Payment Solutions to help improve and maintain the company’s payment systems. This position is based in Paris. Role overview This role centers on designing, building, and supporting payment features that keep transactions smooth for users. The work involves collaborating with teams across the business to ensure payment processes are reliable and meet the needs of a growing marketplace. What you will do Develop and maintain payment systems that support marketplace operations Work closely with other teams to create solutions that improve the payment experience Apply technical knowledge to solve challenges in payment processing Collaboration This position involves regular interaction with colleagues from different departments to deliver effective payment solutions.

Join Mistral AI as a DevOps Software Engineer within our Research Platform team, where you will collaborate closely with R&D to design a cloud-agnostic platform that enhances the stability, scalability, and speed of our research initiatives. Your expertise will help create and optimize tools that empower researchers to leverage high-performance clusters effectively.

About Thunes Thunes is revolutionizing money movement globally with its Smart Superhighway. Our proprietary Direct Global Network enables Members to execute real-time payments across over 130 countries and more than 80 currencies. This network connects directly to over 7 billion mobile wallets and bank accounts worldwide, utilizing more than 350 diverse payment methods including GCash, M-Pesa, Airtel, MTN, Orange, JazzCash, Easypaisa, AliPay, WeChat Pay, and many others. Our esteemed Members range from gig economy leaders like Uber and Deliveroo to super-apps like Grab and WeChat, as well as various MTOs, fintechs, PSPs, and banks. Thunes stands out with its extensive global reach, an in-house Smart Treasury Management Platform, and a robust Fortress Compliance Infrastructure, providing unmatched speed, control, visibility, protection, and cost efficiency in real-time payments. Headquartered in Singapore, we operate in 12 locations including Barcelona, Beijing, Dubai, London, Manila, Nairobi, Paris, Riyadh, San Francisco, Sao Paulo, and Shanghai. For further information, visit: https://www.thunes.com/

AQEMIA develops new medicines for unmet medical needs, focusing on drug discovery through its proprietary QEMI platform. This platform blends physics-based modeling, statistical mechanics, and generative AI to create novel drug candidates from scratch. The team works on building entirely new molecular entities, advancing them through a pipeline of in-house projects and collaborations with leading pharmaceutical partners. Current preclinical programs are in in vivo optimization, targeting diseases without effective treatments. Over 65 professionals in Paris and London, chemists, physicists, machine learning experts, and software engineers, work together at AQEMIA. The company values collaboration and knowledge sharing, with teams tackling complex scientific problems from first principles and turning new ideas into potential therapies. Role overview The Staff Software Engineer joins the Compute team in Paris. The focus is on scaling and improving the systems that drive AQEMIA’s scientific platform. As research projects become more complex, this role ensures that compute infrastructure, workflows, and developer tools continue to support scientific progress effectively. The work directly shapes how advanced science moves from concept to production. What you will do Take responsibility for scaling and maintaining the compute systems behind AQEMIA’s scientific platform Develop and refine infrastructure, workflows, and tools to meet expanding research demands Collaborate with scientists and engineers to industrialize workflows and enhance reliability Enable researchers to run complex models and workflows efficiently Team and collaboration This position involves daily collaboration with a multidisciplinary team, including chemists, physicists, machine learning specialists, and software engineers. Sharing knowledge and solving problems together are central to how AQEMIA operates. Location This role is based in Paris.

Join the dynamic Nexthink Engineering department, where you will be an integral part of a team dedicated to developing the Collectors—advanced endpoint agents utilized by millions of employees. These Collectors play a pivotal role in extracting and interpreting vital information from operating systems, sending it to our powerful data analytics systems, and enhancing user experience by identifying and resolving issues.As a Senior Software Engineer, you will face a series of exciting challenges: • Challenge #1: Develop comprehensive and reliable solutions. • Challenge #2: Create solutions for multiple platforms, leveraging the best features from each. • Challenge #3: Ensure cross-platform compatibility wherever possible.Our engineers thrive on tackling broad, unconventional problems, refining them into actionable solutions. They continuously innovate, prototype new ideas, and measure their impact while upholding our unwavering standards of quality, performance, and security.

Role Overview Theodo is hiring a Lead Software Engineer for its fintech division in Paris. This role centers on guiding a team of developers to build and deliver software products for the financial sector. The position combines hands-on technical leadership with team mentorship and cross-team collaboration. What You Will Do Lead and mentor a team of software engineers focused on fintech projects Drive the design and development of new software applications for financial services Work closely with product, design, and other teams to deliver reliable, high-quality solutions Promote a culture of technical excellence and ongoing improvement within the team Location This position is based in Paris.