Software Engineer, QA

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 …

Join our dynamic team at Roland Berger as a Software Engineer. You will play a pivotal role in developing innovative software solutions that drive our clients' success. Collaborate with cross-functional teams to design, implement, and maintain high-quality software applications.

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.

Join our dynamic team as a Backend Engineer specializing in Rust at connecthum, a pioneering AI infrastructure startup dedicated to constructing the safety and control layers for expansive AI systems.About connecthum:We are an AI-native product company focusing on AI safety and infrastructure.Supported by a diverse range of international investors.Our systems manage high volumes of AI traffic across enterprise environments.We train and fine-tune our proprietary models to ensure optimal performance and reliability.A compact yet highly skilled team that delivers rapid results.Our mission is to create the evaluation and control layer for AI systems, enabling organizations to define, test, and enforce AI behavior in real-world situations.Your Contribution:Design and implement robust Rust backend services that facilitate real-time policy enforcement.Take ownership of features from conception to deployment - including API design, database schema, and monitoring.Develop high-throughput data pipelines to manage extensive AI traffic efficiently.Enhance system performance, reliability, and observability.Collaborate across the stack as needed, prioritizing problem-solving over strict boundaries.Work closely with product, research, and ML teams to drive innovation.This role is hands-on, directly influencing how AI operates in production settings.Technical Environment:Asynchronous Rust (Tokio)Utilizing modern web frameworks such as Axum and ActixPostgreSQL for large-scale applicationsImplementing caching and event streaming architecturesBuilding high-throughput distributed systemsFocus on production observability and performance tuning(In-depth technical stack details will be shared during interviews)Your Expertise:Demonstrated production experience in developing backend systems using Rust.Strong foundation in asynchronous programming and concurrency principles.Excellent system design capabilities, including scalability, failure modes, and trade-offs.Proficient with PostgreSQL and other related technologies.

Join Scaleway, a pioneering cloud service provider, as a Software Engineer - Compute. In this dynamic role, you will collaborate with a talented team to design, develop, and maintain cutting-edge computing solutions that empower our global customer base. Your expertise will contribute to innovative projects that push the boundaries of technology and enhance our offerings.

Your Mission At Doctolib, we aspire to be the key partner for European healthcare institutions, streamlining their daily operations and enhancing patient access to care. To strengthen our partnerships with clients, we are seeking two interns for the role of Consultant in Large Account Deployment. You will support hospitals in implementing our services such as connected scheduling, online appointment booking, online admissions, and teleconsultation. Your main contacts will include executive and functional management, project teams, administrators, and end-users including secretaries and practitioners. Each project may involve dozens to thousands of stakeholders over a period of 3 months to 1 year. Your responsibilities will include, but are not limited to: 1) Deployment of Doctolib solutions within healthcare establishments while supporting the senior deployment consultant during various project phases: Participate in workshops with doctors and referring secretaries Execute operational tasks related to the configuration of the solution Assist consultants during the initial use of Doctolib with clients Ensure consistent reporting throughout different project stages 2) Internal Involvement Facilitate team meetings and training sessions Contribute to the development and execution of internal projects to support the team

Transforming the World Around UsPalantir develops the world's leading software for data-driven decision-making and operations. By providing the right data to those who need it, our platforms empower our partners to develop life-saving medications, predict supply chain disruptions, locate missing children, and more.Position OverviewAs a Forward Deployed Software Engineer (FDSE), you will work directly with government clients to identify their most critical challenges and create solutions that leverage their data. Our clients rely on Palantir's platforms for their most essential operations, often initiating projects with open-ended questions such as “Why are our flights frequently delayed?” or “How can we more effectively identify money laundering cases?”In your role as an FDSE, you will utilize your problem-solving abilities, creativity, and technical skills to help organizations maximize the value of their data, making a significant impact on the world. You will have the opportunity to gain rare insights and contribute to some of the most pivotal industries and institutions globally.Your responsibilities as an FDSE resemble those of a technical lead in a startup: you will collaborate in small teams with minimal supervision and be accountable for the end-to-end execution of high-stakes projects. Your day may involve discussing architecture with fellow engineers, managing large-scale data, coding custom web applications, engaging with the client's leadership team, or strategizing for your team.Whether you aspire to become an entrepreneur or a leader in engineering, we believe that Palantir is the ideal environment to cultivate these aspirations, surrounded by a supportive team. You will learn to dissect complex problems, understand the costs and implications of their solutions, and explore new technologies and programming languages, potentially developing them yourself. You will work independently and make decisions autonomously, all within a community that will challenge and support you throughout your journey and development.Our Principles• Impact: We undertake significant and ambitious projects that make the world a better place.• Responsibility: We manage our projects from inception to completion, ensuring accountability.

Role Overview Theodo is hiring a Lead Software Engineer to join its Paris office. This role involves leading a team of developers on impactful projects, shaping software solutions with modern technologies, and setting a high standard for quality. What You Will Do Guide a team of engineers through all stages of software development Work closely with team members to deliver reliable, well-crafted solutions Apply current technologies and development practices to real-world challenges Mentor and support developers in their growth Encourage open communication and foster a collaborative team spirit Who We’re Looking For Strong technical background in software engineering Experience leading or mentoring development teams Clear communicator who can motivate and inspire others Comfort working in Paris or relocating to the city

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.

Join our innovative team at dust as a Frontend Software Engineer, where you will play a key role in developing cutting-edge web applications that enhance user experiences. You will collaborate with designers and backend engineers to create seamless, responsive interfaces that delight our users.

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 Arago and the Innovative AragoniansArago is a pioneering AI and computer hardware enterprise dedicated to shaping the future of technology. We are on a mission to accelerate advancements at the crucial intersection of artificial intelligence and semiconductor technology.Founded in 2024 by visionary AI researchers and physicists, Arago unites a talented team of engineers and scientists hailing from some of the world’s most prestigious companies and research institutions.With a diverse workforce representing nine nationalities and operational hubs across France, North America, and Israel, we value exceptional science and rapid accomplishments. Our endeavors are driven by core principles:Strive for Excellence: We take pride in delivering work that meets our high standards.Rapid Progress: We prioritize speed and efficiency, tackling challenges one step at a time.Unity in Purpose: We operate as a cohesive unit, fostering relationships built on trust, respect, and collaboration.Arago is supported by influential leaders from Apple, Arm, Nvidia, Microsoft, Hugging Face, and other esteemed deeptech venture capital firms.

Role Overview Theodo is seeking a Lead Software Engineer to guide the development of healthtech solutions in Paris. This role involves leading a skilled team and setting the direction for projects that impact healthcare delivery. What You Will Do Lead a team of engineers focused on building scalable software for the health sector Shape project goals and technical approaches Oversee the delivery of reliable, high-quality applications Location This position is based in Paris.

Role overview Harmattan AI seeks an Embedded Software Engineer to join the Paris office. The focus is on building embedded solutions that enhance multimedia applications and user experiences. What you will do Design and develop embedded software for multimedia systems Work closely with team members from various disciplines to bring new concepts to life Contribute to maintaining high standards for software quality and performance Location This role is based in Paris.

We are seeking an experienced Senior Infrastructure Delivery Manager to lead our IT infrastructure transformation initiatives. This role is pivotal in implementing innovative solutions that leverage cutting-edge technologies such as cloud computing, infrastructure as code, and DevOps methodologies.Main ResponsibilitiesEstablish a robust hybrid cloud environment, facilitate the migration of development and testing platforms to the public cloud, and transition to 'as a service' infrastructure solutions, including storage and backup services.Play a crucial role in enhancing the security and operational efficiency of the infrastructure baseline by improving monitoring capabilities, managing client demands within the IT Infrastructure department, and proactively overseeing infrastructure capacity and lifecycle management.Key ActivitiesCoordinate the development of infrastructure services as designed by technical architects.Lead the deployment of these services in collaboration with development, application support teams, and business units as required.Act as the liaison between the IT Infrastructure department and business projects to ensure timely delivery of necessary infrastructure platforms.Oversee or contribute to the management of infrastructure operations, including monitoring, capacity management, and demand management.

Join our innovative team that is transforming the future of global living.At The Flex, we envision a world where renting a home is instant, intelligent, and seamless—much like booking a ride. Our mission is ambitious: to empower anyone to live anywhere, anytime, without hassle.Driven by Base360.ai, our unique automation engine, we are crafting the operating system for modern renting—integrating property data, streamlining operations, and facilitating smooth stays across continents.If you are passionate about complex systems, automation, and developing software that has real-world applications, this position offers you the opportunity to take ownership and make a significant impact. What You'll CreateAs a Senior Software Engineer, you will design, develop, and scale essential components of The Flex platform—from core services and APIs to automation workflows and real-time systems.You will work with considerable autonomy, managing problems from start to finish and directly influencing architectural decisions while remaining deeply engaged with production code.This role is for engineers who prioritize impact over meetings and take pride in constructing systems that are reliable, elegant, and scalable. Your ObjectivesDevelop Core SystemsCreate and maintain scalable services that enhance bookings, payments, availability, pricing, and guest experiences.Design Robust APIsEstablish clean, well-structured APIs that connect Base360.ai with internal tools and external partners.Automate OperationsConstruct event-driven workflows that eradicate manual tasks and unlock operational efficiencies.Deploy with AssuranceImplement and manage cloud-native infrastructure on AWS with an emphasis on reliability, security, and performance.Tackle Meaningful ChallengesEngage in real-time booking synchronization, pricing intelligence, keyless access systems, AI-driven alerts, and live operational dashboards.Collaborate for SuccessPartner closely with product, data, and operations teams to transform complex requirements into straightforward, effective systems. Ideal Candidate ProfileExtensive experience in building production systems with Node.js, React, and AWS.Solid understanding of software design principles and best practices.Proficient with CI/CD practices and tools.Strong communication skills and a collaborative mindset.

About UsHarmattan AI is a pioneering defense technology company dedicated to developing autonomous and scalable defense systems. Following a successful $200 million Series B funding round, which has valued us at $1.4 billion, we are expanding our teams and enhancing our capabilities to provide mission-critical solutions to allied forces.Our operations are driven by core values: creating technologies with tangible real-world impact, striving for excellence in all endeavors, setting ambitious goals, and tackling the toughest technical challenges. We thrive in a fast-paced environment where rigor, accountability, and high performance are paramount.About the RoleAs a Software Engineer - Validation, you will be responsible for developing the systems that enable our hardware and software to work seamlessly together. You will be at the crossroads of Hardware, Software, and DevOps, tasked with creating the hardware benches and software pipelines necessary to scale our validation processes from testing a single drone to testing hundreds efficiently.ResponsibilitiesAutomation: Create Python scripts and tools to automate log analysis, telemetry parsing, and report generation.CI/CD Integration: Collaborate with the software team to incorporate physical hardware tests into the continuous integration pipeline.HIL Development: Design and construct Hardware-in-the-Loop (HIL) test benches to replicate flight conditions in our laboratory.Bonus: Develop mechanical fixtures and jigs using CAD to facilitate consistent physical testing.Candidate RequirementsEducational background in Software Engineering, Embedded Systems, or Mechatronics.Strong expertise in Python (knowledge of C++ is an advantage).Experience in building test benches, HIL systems, or automated test equipment (ATE).Familiarity with DevOps tools (Docker, Jenkins, Git) and Linux environments.Bonus: A background in robotics or drones is advantageous.Bonus: Mechanical design skills (CAD) for constructing custom test rigs.Join us in shaping the future of autonomous defense systems at Harmattan AI.

Join our dynamic team at vusiongroupsa as a Senior Software Engineer, where you'll have the opportunity to contribute to innovative projects that shape the future of technology. We are looking for a skilled professional who can bring their expertise in software development, work collaboratively with our R&D department, and drive excellence in our engineering practices.

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.

sia is looking for a Junior Software Engineer to join the team in Paris. This role plays a part in building and maintaining the software behind sia’s platforms. Projects here influence how the company’s technology evolves over time. What you will do Assist in designing and developing new software features Support maintenance and ongoing improvements to existing systems Collaborate with team members to address technical challenges What we’re looking for Interest in software engineering and a willingness to learn new skills Drive to share ideas and contribute to team projects This position is based on-site in Paris.