Software Engineer - Ground Control Systems

About UsHarmattan AI is a pioneering defense technology company focused on developing autonomous and scalable defense systems. After successfully securing $200M in Series B funding, which values the company at $1.4 billion, we are actively expanding our teams to enhance our capabilities and deliver critical systems to allied forces.Our mission is driven by a…

About UsZefir is pioneering an AI-driven autopilot for home sales across Europe, starting with France. Our innovative AI agent manages the entire property sale and purchase process, coordinating local brokers, online platforms, buyers, and necessary documentation.With over $55 million in funding from esteemed investors like Sequoia Capital, our mission is to empower millions of current and future homeowners in Europe to navigate life changes seamlessly.Engineering TeamOur Engineering Team at Zefir is the heartbeat of our mission to facilitate significant life transitions. We have rapidly expanded from 9 to over 30 engineers, focusing not just on coding, but on tackling substantial challenges for our clients.From conceptualization to deployment and beyond, our engineers own their projects to ensure that every feature creates the intended impact. By utilizing LLM-based development workflows and adopting shared best practices, we automate repetitive tasks, keeping our codebase efficient, scalable, and optimized for performance.Key ResponsibilitiesDesign and implement robust, high-performing APIs utilizing Node.js (TypeScript), Nest.js, and GraphQL.Create user-friendly frontend applications using React.js and Next.js to deliver exceptional user experiences.Work collaboratively with Product Managers and cross-functional teams (Operations, Growth, Brand) to prioritize features and achieve key objectives.Manage the complete lifecycle of features from ideation through design, implementation, deployment, and performance monitoring.Produce clean, maintainable, and thoroughly tested code to facilitate rapid deployments and continuous enhancement.Conduct comprehensive end-to-end (E2E) tests to ensure reliability and minimize code review cycles.Actively contribute to strategic decisions regarding the future direction of our web applications and infrastructure.Utilize LLM-based libraries and integrate essential AI-driven functionalities (RAG, memory, agentic workflows) employing technologies like Pinecone and Langchain.QualificationsPossess an entrepreneurial mindset with a proven ability to transform ambitious ideas into practical solutions.Demonstrate excellent problem-solving skills, with the capacity to quickly assess and recommend effective technological solutions.Exhibit strong collaboration skills, being open-minded and comfortable working closely with diverse teams.

About Scaleway Scaleway builds secure, sustainable infrastructure for ambitious organizations across Europe. Since 1999, the company has grown from dedicated servers (Dedibox) to a broad cloud computing portfolio, always focused on simplicity, flexibility, and technical excellence. Today, Scaleway is a recognized name in the European cloud sector. With artificial intelligence gaining ground, Scaleway has doubled down on its mission, backed by a €3 billion investment from the Iliad Group to develop a sovereign AI alternative for Europe. The company’s expanding suite of cloud and AI products, bare metal, containers, serverless, and AI, serves thousands of clients, from major enterprises like France Télévisions and Hachette Livre, to startups such as Photoroom and Biolevate, and public institutions including the City of Copenhagen. Scaleway’s offices are located in Paris, Lille, Toulouse, Rennes, Rouen, Bordeaux, and Lyon. Role Overview: Software Engineer - Network Product Edge (Paris) Scaleway’s rapid growth calls for new talent to join the Network Product Edge team. This group is responsible for enhancing and scaling the technology behind Scaleway’s Load Balancer and Edge Services platforms. What You Will Do Develop, maintain, and improve software and infrastructure components for Load Balancer and Edge Services platforms Help deliver high-performance, secure, and scalable network solutions Support the fast adoption of Scaleway’s products by strengthening the underlying technology stack Location This position is based in Paris.

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

About Mistral AIAt Mistral AI, we harness the transformative potential of AI to streamline processes, save time, and foster creativity and learning. Our innovative technology is designed to seamlessly integrate into everyday workflows.Our mission is to democratize artificial intelligence through the delivery of high-performance, optimized, open-source models, products, and solutions. Our extensive AI platform caters to enterprise needs, whether deployed on-premises or in cloud environments. Among our notable offerings is Le Chat, the AI assistant designed for both personal and professional use.We pride ourselves on being a dynamic and collaborative team, passionate about leveraging AI to reshape society. Our diverse workforce thrives in competitive settings and is dedicated to driving innovation. With teams distributed across France, the USA, the UK, Germany, and Singapore, we embody creativity, humility, and a team-oriented spirit.Join us at Mistral AI and contribute to a pioneering organization that is shaping the future of artificial intelligence. Together, we can create a significant impact. Discover more about our culture at https://mistral.ai/careers.Role SummaryAs a vital member of Mistral's Security Engineering team, you will architect and uphold the security framework of our entire technical operations, spanning both on-premise and cloud-native environments.You will oversee the complete vulnerability management lifecycle, establishing security standards, automating detection processes within the development lifecycle, and facilitating swift remediation. Collaborate closely with Site Reliability Engineering (SRE) and Engineering teams to deliver secure, robust applications and infrastructure without sacrificing speed or innovation.Reporting Line: Reports to the Chief Information Security Officer.Location: Paris (hybrid on-site).Responsibilities• Manage the identification, prioritization, and remediation of vulnerabilities across both on-premise and cloud infrastructures as well as internal applications.• Select, implement, and maintain essential tools for visibility and protection, including CNAPP, CSPM, SAST/DAST, secret scanning, and SBOM/CVE tracking.

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

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

Join our innovative team at Meritis as an AI Software Engineer and GenAI Coach, where you will be at the forefront of artificial intelligence development, working on cutting-edge solutions that leverage generative AI technology. In this role, you will collaborate with cross-functional teams to design, develop, and implement AI models and tools that enhance our clients' capabilities.As a GenAI Coach, you will not only code but also mentor team members in best practices for AI development, ensuring that our projects meet the highest standards of quality and efficiency. Your expertise will be crucial in guiding our AI initiatives and fostering a culture of learning and innovation.

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.

Join Theodo as an LLM-Powered Software EngineerAt Theodo, we have been at the forefront of digital product development since 2009, empowering innovative businesses to design, develop, and deploy ingenious digital products through cutting-edge technology and Lean methodologies.Our unique approach is grounded in three core principles:- We have cultivated recognized expertise in key technologies for product design and development;- Regardless of project phase, our priority is to create value for our clients with every decision;- We recruit the best digital talent and nurture their ingenuity through our Lean approach.Theodo has experienced exceptional growth over the past 15 years, with over 700 Theodoers, primarily Software Engineers, who are passionate about technology and continuous improvement. As we expand, we have structured our teams into specialized entities by technology (Theodo Apps, Theodo Cloud, Theodo Data & AI) and by industry (Fintech, Govtech, Healthtech, Consumer Goods). By 2025, Theodo aims to achieve €100M in revenue.Your Future Responsibilities:Join our Business Critical Migration team as we support our clients in migrating legacy systems to modern, robust stacks using LLM and agentic workflows.You will collaborate with product and tech teams of 4 to 6 members, including Software Engineers, AI Architects, and IT Migration Delivery Managers, tackling complex and impactful challenges.As an LLM-Powered Software Engineer, your mission will be to establish and iterate on robust LLM workflows, integrated within the client code lifecycle.Specifically, you will:- Identify the technical components to migrate (e.g., controllers, pages, services…)- Implement LLM workflows or micro-agents to automate or translate code blocks- Generate retro-documentation from existing code- Configure and integrate open-source or internal LLM tools (e.g., cline, GenAIScript)

Join our dynamic team at Altersolutions as a Senior Software Engineer specializing in Java Spring Boot. We are seeking a highly skilled and motivated individual who thrives in a fast-paced environment and is eager to take on challenging projects. In this role, you will be responsible for designing, developing, and maintaining robust software applications that meet our clients' needs.

Alice & Bob is pioneering the development of the world's first universal, fault-tolerant quantum computer, aimed at tackling some of the most complex challenges facing humanity.Our vision revolves around the innovative Schrödinger cat qubit—a groundbreaking superconducting qubit capable of autonomous quantum error correction, setting it apart from existing superconducting technologies.In the race against industry giants like Google and IBM, we are rapidly expanding, having secured €100 million in funding in 2025 to further advance our unique quantum technology.With a diverse team of over 100 professionals, including physicists, PhD researchers, engineers, and business experts, we are united in our mission to transform the future of computing. Are you ready to be a quantum trailblazer? Join us in our quest to redefine what’s possible!About the Role:The Performance Optimization Team combines the expertise of physicists and machine learning engineers to enhance the quality, speed, and reliability of the quantum chip lifecycle, from design to effective error correction.As a Senior Software Engineer at Alice & Bob, you will act as the architectural anchor for our team, developing the robust software ecosystem essential for scaling quantum innovations from initial concepts to mission-critical production systems.Your contributions will significantly impact the organization; you will elevate engineering standards by creating scalable frameworks, implementing strict best practices, and acting as the primary connection between our research-focused initiatives and the wider software engineering team. In this role, you are not just coding—you are building the foundational systems that will shape the future of fault-tolerant quantum computing.

Discover Theodo's Journey and SuccessSince 2009, Theodo has been empowering innovative companies in crafting, developing, and launching ingenious digital products, leveraging cutting-edge technology and a Lean approach.Our distinctive methodology is built upon three core principles:- We have honed acknowledged 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 the finest digital talents and nurture their ingenuity through a Lean approach.Theodo has experienced remarkable growth over the past 15 years, gathering over 700 passionate Theodoers, primarily Software Engineers dedicated to technology and continuous improvement. As we expand, our group has organized into specialized entities by technology (Theodo Apps, Theodo Cloud, Theodo Data & AI) and by industry (Fintech, Govtech, Healthtech, Consumer Products). By 2025, Theodo aims to achieve a revenue of €100M.Your Future Team:You will join a community of over 120 Theodo tech professionals: software engineers, tech leads, engineering managers, and architects, where you can exchange, learn, and grow daily.At Theodo, tech teams work on project-based teams, tailored to meet each client's needs. You will be part of a small team of Theodoers (4 to 5 members), including Software Engineers, a Tech Lead, and a Product Manager. Together, you will collaborate closely with the client, with regular updates to share progress, deepen understanding of their challenges, and evolve the product to align with user needs.Your Future Responsibilities:As a Fullstack Software Engineer at Theodo, your mission will be to design and develop valuable, high-performance, and sustainable digital products to address the challenges faced by our clients and their users.

At Algolia, we are at the forefront of AI-powered search technology, enabling over 17,000 businesses to deliver rapid and predictive search experiences at scale. Each week, we process more than 30 billion search queries — surpassing the combined total of Microsoft Bing, Yahoo, Baidu, Yandex, and DuckDuckGo.In 2021, we secured $150 million in Series D funding, elevating our valuation to an impressive $2.25 billion. This strong financial foundation allows us to continuously enhance our market-leading platform, serving incredible clients such as Under Armour, PetSmart, Stripe, Gymshark, and Walgreens.The TeamThe Frontend Experiences (FX) team is dedicated to inspiring and empowering Algolia users in crafting exceptional UI experiences powered by Algolia. We envision, develop, and decompose advanced UI experiences into modular elements ready for integration into our users' applications. Our suite of UI libraries, including Autocomplete, is widely utilized, even appearing in the Tailwind and React documentation. Additionally, we maintain the InstantSearch library platform, unlocking complex and modern search and discovery applications.Our approach is framework-agnostic; we utilize various frameworks, including Vue.js and React, as well as plain JavaScript (Vanilla JS). We prioritize quality, writing specifications for every feature we release. Our codebase is in TypeScript, fully open-source, and thoroughly tested.Beyond frontend development, we also handle specific backend functionalities that enhance our user experiences, utilizing TypeScript, Go, and Python.The OpportunityWe are seeking a Full-Stack Engineer to join our Frontend Experiences (FX) team at Algolia. In this role, you will significantly influence the design and functionality of Algolia-powered user interfaces. You will assist customers in reimagining the future of how people search for and discover information. Your contributions will be crucial in architecting our platform, which serves as the face of Algolia’s Developer Experience.Your responsibilities will include:Architecting, designing, and developing new iterations of the InstantSearch platform, alongside our open-source libraries and backend APIs.Designing and implementing features that utilize agentic patterns within the Algolia platform and our open-source libraries.Developing new features, troubleshooting issues, and analyzing user feedback for our well-regarded open-source projects.Collaborating with product, design, and marketing teams on the rollout of new projects and websites.Taking ownership of projects, researching, exploring, and delivering innovative experiences.Sharing your expertise to enhance our understanding and improve search and discovery capabilities.

Doctolib is looking for a Senior Software Engineer to join the team behind the 'Book Your Practitioner' platform in Paris. This group focuses on building tools that help patients and healthcare professionals connect more easily. Role overview This position centers on improving the experience of booking healthcare appointments. The work directly affects how patients find and schedule visits, as well as how practitioners manage those appointments. What you will do Enhance the user experience for scheduling healthcare appointments Design and build new software features to support both patients and practitioners Collaborate with fellow engineers to deliver solutions that are both reliable and scalable Contribute to projects that shape access to healthcare Requirements Solid experience as a software engineer, especially with complex systems Interest in working on products that impact people's lives Enjoyment of problem-solving within a collaborative team This role is based in Paris, France.

Join Segula Technologies as a Electrical Studies Manager specializing in CFO/CFA for significant infrastructure projects. In this pivotal role, you will lead electrical engineering studies, ensuring compliance with technical specifications and regulations. You will collaborate with multidisciplinary teams to deliver innovative solutions that meet project objectives.Your expertise will play a vital role in managing project timelines, facilitating communications with stakeholders, and optimizing electrical system designs. We are looking for a proactive leader who can drive project success and uphold our commitment to excellence.

Join the dynamic and dedicated team at 8advisory as a Manager in our European Infrastructure, Energy, and Project Finance division. Based in Paris, you will play a crucial role in the structuring and execution of significant infrastructure and energy transactions across Europe and beyond. Your responsibilities will include:Leading the structuring and execution of infrastructure and energy projects, navigating public tenders, private financing, and refinancing opportunities.Overseeing daily project execution, including financial modeling, structuring, documentation, and maintaining effective communication with clients and stakeholders.Creating detailed presentations and reports for debt raising processes, ensuring clarity and professionalism.Managing the overall deal process on live transactions, ensuring timely progression and stakeholder engagement.Contributing to the commercial growth of Eight Advisory, including originating financial advisory mandates and participating in marketing initiatives.

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

Join Mistral AI as an Infrastructure Solution Architect and become a pivotal force in driving the adoption and scaling of innovative AI solutions. In this individual contributor role, you will work closely with businesses to empower them in harnessing the transformative potential of Generative AI (GenAI). Your expertise will guide companies in integrating cutting-edge AI technologies, ensuring a seamless transition from concept to production. Collaborate with our product and science teams to deliver tailored AI solutions that address complex business challenges, producing measurable outcomes and strategic advantages. This position requires travel approximately 30 to 60% of the time and involves working directly at client locations.

We are seeking a dynamic and experienced Cloud Infrastructure and Hosting Manager to lead our cloud services and infrastructure initiatives. In this role, you will oversee the design, implementation, and management of robust cloud solutions, ensuring optimal performance, security, and scalability. You will collaborate with cross-functional teams to deliver innovative solutions that drive business success.Key Responsibilities:Manage and optimize cloud infrastructure, ensuring high availability and performance.Lead the deployment of cloud services and applications.Ensure compliance with security standards and best practices.Coordinate with IT teams to support cloud initiatives and projects.Monitor and report on cloud performance metrics.