Backend Software Engineer at Mistral | Paris

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

About Mistral AIAt Mistral AI, we harness the transformative potential of AI to streamline tasks, enhance creativity, and optimize learning experiences. Our cutting-edge technology seamlessly integrates into everyday workflows.We are committed to democratizing AI through high-performance, open-source solutions and state-of-the-art models. Our comprehensive AI platform is tailored to meet the diverse needs of enterprises, available both on-premises and in the cloud. Notably, our offerings include Le Chat, the AI assistant designed to elevate both personal and professional life.As a dynamic and collaborative team, we are passionate about AI's potential to create a significant societal impact. Our diverse workforce thrives in competitive environments 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 make a meaningful impact. Discover more about our culture at https://mistral.ai/careers.Role OverviewWe are in search of enthusiastic and talented software engineers to join our team. As a Backend Engineer, you will play a crucial role in developing the core systems that power our key products: AI Studio, Le Chat, and Mistral Code. Your contributions will shape the way users and developers interact with our AI platform at scale. You’ll focus on building reliable, high-performance backend systems and APIs that cater to millions of users and developers. Your work will greatly enhance both developer and user experiences, ensuring they are engaging, efficient, and intuitive. We welcome engineers of all levels, from recent graduates to seasoned professionals, who are eager to learn, collaborate, and deliver impactful solutions.Key ResponsibilitiesDepending on your expertise, you will engage with critical components of our technology, which may include:Backend Development- Design, develop, and maintain scalable and robust backend features and APIs using modern frameworks.- Ensure high performance and reliability across our distributed systems.

About MistralAt Mistral AI, we harness the transformative power of AI to streamline workflows, save valuable time, and foster creativity and learning. Our cutting-edge technology is designed for seamless integration into everyday tasks, making AI accessible to everyone.We democratize AI with high-performance, optimized, open-source models and solutions tailored for enterprise needs, whether deployed on-premises or in the cloud. Our innovative offerings include le Chat, an AI assistant that enhances both personal and professional life.Join a dynamic and collaborative team that is passionate about the potential of AI to revolutionize society. Our diverse workforce thrives in competitive environments and is committed to driving innovation. With teams spread across France, the USA, the UK, Germany, and Singapore, we pride ourselves on being creative, low-ego, and team-oriented.Become part of a pioneering company that is shaping the future of AI. Together, we can create a meaningful impact. Discover more about our culture on https://mistral.ai/careers.Role SummaryMistral is seeking a skilled Cybersecurity Engineer specializing in SIEM to design and manage the infrastructure that guarantees the observability of our production systems.Your role will encompass treating the SIEM and logging infrastructure as a high-performance data product. Your goal will be to ensure the reliability, scalability, and cost-effectiveness of the pipelines that ingest security telemetry from our GPU clusters, cloud environments, and applications.Key Responsibilities• Oversee the setup, lifecycle, availability, and performance of the SIEM solution, ensuring 99.9% uptime for log ingestion and query availability.• Design and maintain high-throughput data pipelines for collecting, buffering, and transporting logs from distributed systems to the SIEM.• Implement parsing logic and schema standardization to ensure unstructured logs are searchable and actionable for analysts.• Manage alert rules, connectors, and dashboard configurations, minimizing manual console tasks.• Analyze ingestion patterns to identify and rectify noisy data streams.

Role Overview Mistral is hiring a Site Reliability Engineer in Paris. This role focuses on keeping services reliable, available, and high-performing. Collaboration with development teams is central to the work, with a strong emphasis on automation and operational efficiency. What You Will Do Automate and streamline operational processes Work closely with developers to maintain and improve service reliability Troubleshoot technical issues as they arise Identify and implement ways to enhance system performance

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.

Mistral AI develops advanced artificial intelligence tools designed to fit smoothly into daily workflows. The company focuses on building high-performance, open-source models and solutions that support both enterprise and individual needs, whether on-premises or in the cloud. Products include le Chat, an AI assistant created to support productivity and learning. Mistral AI aims to make AI accessible and effective for a wide range of users. Team and culture The team values collaboration, creativity, and humility. Colleagues work together across locations in France, the USA, the UK, Germany, and Singapore. A competitive spirit and a drive for innovation shape the company’s approach. Those interested in learning more about the workplace and open roles can visit Mistral Careers.

About MistralAt Mistral AI, we harness the transformative potential of artificial intelligence to streamline workflows, save precious time, and foster creativity and learning. Our cutting-edge technology is crafted to integrate seamlessly into everyday work environments.We are committed to democratizing AI with our suite of optimized, high-performance, open-source models and solutions. Our robust AI platform caters to both enterprise and personal applications, featuring products like Le Chat, AI Studio, Mistral Code, and Mistral Compute, bringing next-level intelligence directly to users.As a vibrant and collaborative team, we are passionate about the potential of AI to revolutionize society. Our diverse workforce excels in dynamic environments and is dedicated to fostering innovation. With teams spread across France, the USA, the UK, Germany, and Singapore, we pride ourselves on our creativity, humility, and team spirit.Join us in shaping the future of AI and making a significant impact together. Discover more about our unique culture at https://mistral.ai/careers.Key ResponsibilitiesContent Strategy & Execution• Strategically plan, execute, and refine daily social media content across various formats including threads, videos, and posts.• Develop and implement vertical campaigns targeting specific sectors such as AI for Citizens, Finance, and Education.• Capture and edit short-form content or collaborate with our content agency to produce high-quality assets.• Contribute to and execute Mistral’s social media strategy across the EMEA region.• Your contributions will play a vital role in showcasing our innovative solutions, highlighting key use cases, and communicating corporate updates and thought leadership initiatives (including our CSR approach).Community Engagement & Influence• Collaborate with customers to co-create compelling content that celebrates our successes and supports our thought leadership initiatives (e.g., on customizable AI and open models).• Network with industry influencers, AI experts, and podcasters to develop content and extend our outreach.Data-Driven Approach• Utilize analytics to inform content strategies and optimize engagement.

About Mistral At Mistral AI, we harness the transformative potential of artificial intelligence to streamline tasks, enhance productivity, and foster creativity. Our technology seamlessly integrates into everyday workflows, empowering users to achieve more.We are committed to democratizing AI with high-performance, open-source solutions and cutting-edge models tailored for enterprises. Our versatile AI platform caters to various needs, whether on-premises or in the cloud, featuring innovative products like le Chat, your AI assistant for both personal and professional use.Join our dynamic and collaborative team, passionate about leveraging AI to drive societal transformation. Our diverse workforce excels in competitive environments and is dedicated to fostering innovation, with team members located across France, the USA, the UK, Germany, and Singapore. We pride ourselves on a creative, ego-free, and team-oriented culture.Become a part of a pioneering company that is shaping the future of AI. Together, we can make a significant impact. Learn more about our culture at: https://mistral.ai/careers.Role Overview We are on the lookout for a proficient Software Engineer specializing in Developer Experience. In this role, you will champion a collaborative and automated software development lifecycle. You will work closely with our product engineering teams to maintain code quality, enhance development speed through well-optimized CI pipelines, and ensure secure release processes. Your mission is to empower our software engineering teams with efficient workflows while safeguarding our production environments.Location: Paris Key ResponsibilitiesAs a Software Engineer focused on Developer Experience, your responsibilities will encompass:Developer Experience• Develop, monitor, and refine CI/CD pipelines to optimize development workflows and expedite deployments.• Design, operate, and maintain scalable, reliable, and secure multi-cloud infrastructures.• Identify areas for enhancement and innovate solutions that promote high developer velocity.

About MistralAt Mistral AI, we harness the transformative power of artificial intelligence to simplify everyday tasks, optimize time management, and amplify creativity and learning. Our innovative technology seamlessly integrates into daily workflows, empowering users across various sectors.We are committed to democratizing AI through our high-performance, open-source models, products, and solutions. Our extensive AI platform is tailored to meet the diverse needs of enterprises, whether deployed on-premises or in the cloud. Among our offerings is le Chat, your AI assistant for both professional and personal tasks.As a dynamic team of AI enthusiasts, we believe in the potential of technology to drive societal transformation. Our diverse workforce thrives in competitive environments, dedicated to innovation and excellence. With teams distributed across France, the USA, the UK, Germany, and Singapore, we embody creativity, humility, and a collaborative spirit.Join us in shaping the future of AI—together, we can make a significant impact. Explore our culture further at https://mistral.ai/careers.Role OverviewWe are on the lookout for a talented Software Engineer to architect, develop, and lead the essential systems that drive Mistral’s expansion. This pivotal role sits at the crossroads of engineering, finance, data, and operations. As the inaugural hire in the Enterprise Agents sector, you will blend hands-on technical expertise with strategic direction, collaborating closely with C-level executives and expanding the team as we grow. Your mission will be to transform intricate workflows into scalable software solutions, including integrations, connectors, and dashboards that facilitate seamless data flow throughout Mistral.

About Mistral AIAt Mistral AI, we harness the transformative power of artificial intelligence to streamline tasks, optimize time management, and amplify creativity and learning. Our advanced technology is meticulously crafted to seamlessly integrate into everyday workflows.We democratize AI by delivering high-performance, open-source, and cutting-edge models, products, and solutions tailored to meet enterprise needs, whether deployed on-premises or in cloud infrastructures. Our suite includes le Chat, the ultimate AI assistant designed for both professional and personal use.Our vibrant, collaborative team is deeply passionate about AI and its potential to reshape society. Comprising a diverse workforce that thrives in competitive settings, we are committed to driving innovation across our distributed teams in France, the USA, the UK, Germany, and Singapore. We value creativity, humility, and a strong sense of teamwork.Join us in shaping the future of AI and making a significant impact together. Discover more about our culture at https://mistral.ai/careers.Role OverviewWe are on the lookout for a skilled and experienced Software Engineer to join our Knowledge and Search engineering team. In this pivotal role, you will design, implement, and scale our search capabilities to effectively support both our users and internal systems. Reporting to: VP of Engineering Location: Paris (France) or London (UK)Key ResponsibilitiesWhat You Will Do As a vital member of the Knowledge & Search team, you will connect our customers with the information they require. Your role will involve leading our indexing and searching capabilities, collaborating closely with our data and infrastructure teams to build, maintain, and scale our search platform while ensuring top-tier performance and reliability.Your responsibilities may include but are not limited to:• Developing, maintaining, and enhancing robust, reliable, and scalable indexing and search capabilities (both web and knowledge).

About Mistral At Mistral AI, we harness the transformative power of artificial intelligence to streamline tasks, boost productivity, and foster creativity. Our innovative technology is designed for seamless integration into everyday workflows.We are committed to democratizing AI with high-performance, optimized, and cutting-edge open-source models, products, and solutions. Our extensive AI platform caters to enterprise needs in both on-premises and cloud environments. Among our offerings is le Chat, the AI assistant designed to enhance both personal and professional life.As a dynamic and collaborative team, we are passionate about AI and its potential to revolutionize society. Our diverse workforce thrives in competitive settings, dedicated to driving innovation. With teams located in France, the USA, the UK, Germany, and Singapore, we embody creativity, humility, and a strong team spirit.Join us at Mistral to help shape the future of AI and make a significant impact together. Discover more about our culture at https://mistral.ai/careers.Role SummaryAs a Machine Learning Engineer focused on open-source software, you will be pivotal in releasing state-of-the-art models and enhancing Mistral’s publicly available libraries. Your contributions will facilitate the transformation of research breakthroughs into practical solutions, significantly enriching Mistral's open-source ecosystem.About the Open Source Software TeamOur Open Source Software team collaborates closely with the Science team and various engineering and marketing departments. Members of the OSS team can navigate between production and research roles based on project demands and personal interests.Key Responsibilities• Release our advanced models on open-source platforms and libraries, such as vLLM, GitHub, and Hugging Face.• Maintain Mistral’s open-source libraries, including mistral-common, mistral-finetune, and mistral-inference.• Develop and maintain both internal and external-facing tools and services to support research and open-source initiatives.

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.

Join Mistral AI as a Software Engineer in our Deployment Infrastructure team, where you'll be at the forefront of deploying and integrating cutting-edge AI technology. In this role, you'll ensure the efficient launch of our innovative products, from AI models to APIs, across various infrastructure setups, including both leading cloud service providers and private environments. Collaborating with cross-functional teams, you will tackle unique challenges in AI safety and enhance our observability and monitoring systems to deliver exceptional solutions to our customers.

About Mistral AIAt Mistral AI, we harness the transformative potential of artificial intelligence to streamline tasks, enhance productivity, and foster creativity. Our innovative solutions are crafted to seamlessly integrate into everyday workflows, making AI accessible and effective.We are committed to democratizing AI through state-of-the-art, open-source models and products that cater to both enterprise and individual needs, whether deployed on-premises or in the cloud. Our flagship offering, le Chat, is an AI assistant designed to enhance both personal and professional life.Our team is dynamic and collaborative, united by a shared passion for AI and its capacity to reshape our world. With a diverse workforce spread across France, the USA, the UK, Germany, and Singapore, we thrive in competitive environments and are dedicated to driving innovation. We embrace creativity, humility, and a strong team spirit.Join us at Mistral AI to be part of a groundbreaking company that is shaping the future of artificial intelligence. Together, we can create meaningful change. Discover more about our culture at https://mistral.ai/careers.Role OverviewWe are on the lookout for a detail-oriented and proactive Quality Assurance Engineer to join our dynamic team. In this pivotal role, you will be responsible for ensuring the reliability, accuracy, and performance of our AI-driven products. You will design and implement testing strategies for applications, APIs, and machine learning models, focusing on automated testing, edge-case analysis, and collaborative efforts with cross-functional teams to ensure seamless and high-quality user experiences. If you thrive in a fast-paced environment and are passionate about the quality of AI systems, this opportunity is ideal for you to make a significant impact.Key ResponsibilitiesAutomated Testing: Develop and maintain automated test suites to validate application features, APIs, and model integrations, ensuring end-to-end reliability and a superior user experience.Edge Case Testing: Collaborate with product managers and other stakeholders to rigorously identify and test edge cases, enhancing the robustness of platform features and models.Quality Tool Development: Contribute to the creation of tools and frameworks that facilitate efficient and scalable quality testing processes organization-wide.

Mistral is looking for a Product Designer in Paris to help define the user experience for its cloud-based products. This position involves close collaboration with teams throughout the company to develop solutions that serve a diverse customer base. What you will do Create user interfaces that balance visual appeal with usability Work alongside cross-functional teams to translate ideas into real product features Pay attention to design details that impact the overall experience Design with a focus on the needs of customers using cloud products Requirements Creative problem-solving skills Keen attention to detail Background in designing digital products or user interfaces Interest in working with others to enhance cloud-based services

About Mistral AIAt Mistral AI, we harness the transformative power of artificial intelligence to streamline processes, enhance productivity, and foster creativity. Our cutting-edge technology integrates effortlessly into everyday workflows, revolutionizing the way we work.We are committed to democratizing AI through state-of-the-art, high-performance, open-source models and solutions tailored for enterprise needs, whether on-premises or in the cloud. Our flagship product, le Chat, serves as a versatile AI assistant designed for both personal and professional use.Our dynamic team thrives on collaboration, fueled by a shared passion for AI's potential to create positive societal change. With a diverse workforce distributed across France, the USA, the UK, Germany, and Singapore, we foster a culture of innovation, creativity, and teamwork.Join us in shaping the future of AI and making a meaningful impact in the world. Explore more about our inclusive culture at https://mistral.ai/careers.Position OverviewWe are on the lookout for a talented and enthusiastic Senior Frontend Software Engineer to enhance our innovative team. In this role, you will have the opportunity to work across our diverse product suite, contributing to its ongoing development and improvement. Your contributions will play a crucial role in elevating the user experience, making it more engaging, efficient, and user-friendly.Key Responsibilities• Full Stack Development: Design, develop, and maintain scalable features, ensuring seamless interaction between front-end and back-end systems using a modern tech stack.• User-Centric Design: Focus on optimizing user experience to ensure our products align with user needs and expectations.• Code Quality: Produce clean, maintainable, and well-documented code, actively participating in code reviews to uphold our high quality standards.• Collaboration: Engage closely with cross-functional teams, including product managers, designers, and fellow engineers, to deliver exceptional software solutions.

Join Mistral AI as an Executive Assistant to the VP of EngineeringAt Mistral AI, we harness the transformative power of artificial intelligence to streamline tasks, enhance creativity, and improve productivity. Our innovative technology is designed to integrate seamlessly into everyday workflows, empowering users to achieve more.We are committed to democratizing AI with high-performance, open-source solutions that cater to the needs of enterprises, both on-premises and in cloud environments. Our versatile AI platform aims to drive efficiency and innovation across various sectors.As a vibrant and collaborative team, we are passionate about the potential of AI to reshape society. Our diverse workforce thrives in competitive settings and is dedicated to fostering creativity and innovation. With team members spread across France, the USA, the UK, Germany, and Singapore, we celebrate creativity, teamwork, and a low-ego culture.Become a part of our pioneering journey at Mistral. Together, we can shape the future of AI and make a lasting impact. Discover more about our culture at https://mistral.ai/careers.

Join us as a pivotal member of the Backend team at amo, where you'll play a critical role in shaping our infrastructure. In the initial months, you will collaborate closely with the team and gradually take charge of key components and features. At this early stage of our journey, we are in search of adaptable engineers who are eager to contribute across multiple facets of our company’s foundation.We appreciate team members who dive deeply into their areas of expertise, fostering a culture of subject matter mastery within our team. This dedication to specialization is a core expectation for every engineer.Our backend team is responsible for both server-side operations and the backbone of the client, as we believe a unified team can more effectively manage topics like networking, data modeling, management, and synchronization.As a Backend Engineer, your daily responsibilities will include:Building the FutureYou will develop robust systems designed to handle significant traffic, vast amounts of data, and an unparalleled rate of scaling. Your toolkit will include cutting-edge technologies, elegantly crafted code, and systems built for seamless horizontal scaling.Ensuring Cross-Platform CohesionBeyond server-side development, you will be involved in the enhancement and maintenance of a Rust component shared between iOS and Android. This component primarily focuses on networking, data synchronization, and data-oriented feature logic, benefiting from a single codebase. You will collaborate with mobile engineers to ensure a consistent experience across platforms and bridge the gap between mobile development and backend architecture for a cohesive user journey.Innovative Feature DevelopmentEngage in brainstorming sessions to design and implement unique features that distinguish us in the marketplace.Commitment to Continuous ImprovementWe value mutual learning and staying updated with industry trends and emerging technologies, encouraging fresh ideas and contributions to our culture of continuous improvement.Ownership of Your DomainYou will monitor analytics and manage system incidents, taking ownership of your responsibilities and proactively addressing issues and bug fixes.

Role Overview Join Mistral as our Workplace Operations Manager in the vibrant city of Paris! In this pivotal role, you will oversee the daily logistics and operations of our Paris office, ensuring a seamless work environment for all team members. You will collaborate closely with our Workplace Lead to enhance office functionality and culture. Key Responsibilities 1. Foster a Welcoming Workplace Culture• Ensure the Paris office operates smoothly and efficiently• Assist EMEA colleagues with office maintenance needs• Act as the primary point of contact for all office-related inquiries• Promote our company culture by organizing activities, meetings, and community events 2. Manage Relationships with Stakeholders• Liaise with suppliers such as food services, maintenance, and cleaning• Welcome visitors and manage mail and deliveries• Serve as the onsite contact for maintenance visits, shipping, and inventory management Qualifications and Skills• A minimum of 2 years of experience as an Office Manager, Workplace Operations Manager, or Event Manager within a startup or scale-up environment.• Exceptional organizational skills and meticulous attention to detail• Strong communication abilities and interpersonal skills• Proficient in Google Workspace or ticketing systems to support employee requests• Fluency in both English and French is a strong requirement Ideal Candidate Traits• Service-oriented mindset with a passion for community building in the workplace• Ability to multitask and prioritize effectively in a dynamic environment• Discretion and professionalism in handling confidential matters• Positive attitude and strong work ethic• Outstanding written and verbal communication skills• Excellent organizational and time management capabilities Perks and Benefits Food: Daily lunch vouchers Sports: Monthly contribution to Wellpass (ex-Gymlib) subscription Transportation: Monthly travel reimbursements

About MistralAt Mistral AI, we harness the transformative power of artificial intelligence to streamline tasks, enhance productivity, and elevate creativity. Our innovative technology is crafted to seamlessly integrate into everyday workflows.We are committed to democratizing AI with high-performance, state-of-the-art open-source models, products, and solutions. Our versatile AI platform caters to both enterprise and personal requirements, featuring offerings like Le Chat, La Plateforme, Mistral Code, and Mistral Compute—providing cutting-edge intelligence to users.As a vibrant and collaborative team, we are passionate about AI and its potential to revolutionize society. Our diverse workforce excels in competitive settings and is dedicated to fostering innovation. With teams dispersed across France, the USA, UK, Germany, and Singapore, we embody creativity, humility, and teamwork.Join us in shaping the future of AI and making a significant impact. Discover more about our culture at mistral.ai/careers.Mistral AI participates in the E-Verify program.Role Summary:As the Talent Acquisition Lead, you will play a dual role as a recruiter for key positions and as a leader of several recruiters, ensuring the effectiveness of our global recruitment strategy.You will report directly to the Head of Talent Acquisition.Key ResponsibilitiesRecruiting• Collaborate with technology and business hiring managers to attract exceptional talent for Mistral.• Identify and engage high-quality candidates, ensuring a personalized and positive candidate experience to achieve hiring objectives.• Guide candidates through our hiring journey, showcasing the unique opportunities at Mistral.Leadership• Implement and communicate recruitment strategies to the recruiting team.• Analyze recruitment data and diagnose issues to enhance recruitment processes.• Foster an environment where each recruiter can excel within their roles.• Cultivate a data-driven approach within your team.Optimization• Actively contribute to ongoing improvements and innovations in recruitment efficiency at all levels.