React Engineer jobs in Paris – Page 5 | RoboApply Jobs

React Engineer jobs in Paris· Page 5

Results 81–100 of 841 for “React Engineer” in Paris.

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Lantech logo
Full-time|€3.3K/mo - €5.5K/mo|On-site|Paris, Île-de-France, Frankrijk

Are you seeking an exciting role that offers independence, variety, and the opportunity to work in diverse locations across France? As a skilled Field Service Engineer, you will take charge of maintaining our innovative packaging machines at various logistics centers and troubleshooting issues for clients in the food industry. Your strong technical expertise…

Oct 29, 2025
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Alten logo
Full-time|On-site|Paris

Join Alten as a Linux System Engineer in Paris, where you will be at the forefront of technology, driving innovations in system architecture and operations. This role requires a passion for Linux systems and a desire to work in a collaborative environment.You will be responsible for designing, implementing, and maintaining Linux-based systems to ensure optimal performance and security. Collaborate with cross-functional teams to identify and resolve system issues, implement automation solutions, and enhance overall system efficiency.

Mar 6, 2026
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Vibe.co logo
Full-time|On-site|Paris

About VibeAt Vibe.co, we are revolutionizing the way brands connect with audiences in the streaming era. We envision that streaming TV transcends traditional brand awareness; it is poised to be the next major avenue for performance marketing. Our mission is to create the infrastructure that harnesses this $100 billion potential.As a leader in Audience First Streaming TV Advertising, Vibe.co empowers marketers to leverage TV as an effective growth channel. Our comprehensive solution integrates hyper-targeted audience segmentation, AI-driven insights, real-time campaign optimization, and incrementality measurement, providing brands of all sizes the accuracy and transparency they expect from social and search advertising, applied to the TV landscape.With over 10,000 trusted brands and a reach of more than 120 million households across 500+ apps and channels, Vibe.co consistently delivers an impressive average return on ad spend of 250% and a 20% lift in sales. Achieving a $100 million revenue run rate in less than two years, we are among the fastest software companies to reach this remarkable milestone.Our investors include notable firms such as Hedosophia (early backer of Spotify, Uber, and Airbnb), Elaia, Singular, QuantumLight, and Illusian, alongside angel investors like Carolyn Everson, board member of The Walt Disney Company and Coca-Cola. Nirav Tolia, CEO of Nextdoor, is also a member of our board of directors.Founded in 2022, Vibe.co is recognized as a pioneering platform in streaming TV advertising, merging the power of performance marketing akin to Meta and Google with the fast-evolving media landscape.About the RoleAs a key member of the Performance team, you will play a vital role in managing advertiser outcomes at Vibe. Your focus will be on bidding, pacing, and enhancing the prediction stack that drives these elements. You will report directly to Clément Schiano, Engineering Manager for Performance.This position has been created to address a clear roadmap and enhance execution capabilities, as well as to mitigate knowledge concentration challenges within the team. We seek an individual who can absorb, challenge, and expand upon existing expertise, going beyond simply delivering tickets.Three compelling reasons why a talented candidate would find this role appealing:

Apr 7, 2026
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Alten logo
Full-time|On-site|Paris

Join Alten, a leader in engineering and IT services, as a Mechanical Engineer specializing in the nuclear sector. You will be part of a dynamic team, contributing to innovative projects that shape the future of energy. Your expertise will be crucial in designing and improving mechanical systems, ensuring efficiency and safety.

Apr 14, 2026
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Mistral AI logo
Full-time|On-site|Paris

About Mistral AIAt Mistral AI, we harness the transformative power of artificial intelligence to streamline workflows, enhance creativity, and optimize learning experiences. Our cutting-edge technology integrates effortlessly into everyday tasks.We strive to democratize AI through high-performance, optimized, open-source models and solutions. Our comprehensive AI platform caters to enterprise needs in both on-premises and cloud settings. Among our offerings is le Chat, your AI assistant for life and work.As a dynamic and collaborative team, we are passionate about AI's potential to revolutionize society. Our diverse workforce thrives in competitive settings and is dedicated to fostering innovation. With teams spread across France, the USA, the UK, Germany, and Singapore, we embody creativity, humility, and a strong team spirit.Join us in shaping the future of AI and making a meaningful impact. Discover more about our culture at https://mistral.ai/careers.Role OverviewAs our compute infrastructure rapidly expands to support our science and engineering teams, we are seeking a talented Datacenter Hardware Engineer to maintain, troubleshoot, and scale our GPU and CPU clusters with safety and reliability. This hands-on role is based in our Paris-area datacenter, where you will collaborate with hardware owners, data center operations, and vendors to ensure the optimal performance of one of France's largest GPU clusters.Location: Bruyères-le-Châtel — on-site roleReporting Line: Hardware OperationsYour Impact • Compute infrastructure is crucial for Mistral’s success and represents our largest expenditure. • Directly contribute to scaling: your efforts will maintain the health of one of France’s largest AI clusters as we expand significantly. • Facilitate revolutionary AI: your role is vital in enabling breakthroughs in AI technology.

Nov 10, 2025
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Eurofins Scientific logo
Full-time|On-site|Paris

Join Eurofins as an Electrical Safety Testing Engineer where you will be at the forefront of electrical safety compliance. In this role, you will ensure that products meet rigorous safety standards, contributing to the protection of consumers and the enhancement of product quality.

Sep 30, 2025
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iliad-free logo
Full-time|On-site|Paris

We are seeking a talented HVAC Engineer to join our dynamic team at iliad-free in Paris. In this role, you will be responsible for designing, implementing, and maintaining heating, ventilation, and air conditioning systems to ensure optimal performance and energy efficiency. You will work closely with cross-functional teams to develop innovative solutions and improve existing systems.

Jan 8, 2026
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Dashlane logo
Full-time|On-site|Paris, France

Join Dashlane as an Engineering Manager for Core Features in our Paris office. In this pivotal role, you will lead a team of talented engineers to enhance our flagship product, ensuring an exceptional user experience. You will be responsible for guiding your team through the development lifecycle, from planning to execution, while fostering a culture of innovation and collaboration.As part of a dynamic company that prioritizes security and user-friendly design, you will have the opportunity to influence product direction and work on impactful features that reach millions of users worldwide.

Mar 26, 2026
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nexton logo
Contract|On-site|Paris

Join our dynamic team at nexton as a Business Engineer (H/F) in Paris! We are seeking a motivated individual with a passion for business development and engineering solutions.In this role, you'll be responsible for fostering client relationships, identifying new business opportunities, and collaborating with cross-functional teams to deliver innovative solutions. If you possess strong analytical skills and a knack for problem-solving, we want to hear from you!

Apr 13, 2026
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Mistral AI logo
Full-time|On-site|Paris

Role OverviewJoin our dynamic team at Mistral as a Data and Analytics Engineer. In this pivotal role, you will play a crucial part in designing, optimizing, and managing our data infrastructure. You will handle vast datasets, enabling our product teams to access secure and reliable data swiftly. Your expertise will be instrumental in enhancing our cutting-edge AI models and empowering business users to make data-driven decisions.Key Responsibilities• Design, construct, and maintain robust data pipelines, ETL workflows, and analytics frameworks. Implement automation for data quality assessments and validation processes.• Collaborate with cross-functional teams to identify data requirements and deliver actionable, high-quality solutions, specifically partnering with machine learning teams to facilitate model training, deployment pipelines, and feature stores.• Enhance data storage, retrieval, processing, and query performance while ensuring scalability and cost-effectiveness.• Establish and uphold data governance, metadata management, and data lineage protocols.• Safeguard data integrity, security, and compliance with prevailing industry standards.Your Profile• Master’s degree in Computer Science, Engineering, Statistics, or a related discipline.• A minimum of 3 years of experience in data engineering, analytics engineering, or a similar position.• Proficient in Python and SQL.• Familiarity with dbt.• Hands-on experience with cloud platforms (e.g., AWS, GCP, Azure) and data warehousing solutions (e.g., Snowflake, BigQuery, Redshift, Clickhouse).• Excellent analytical and problem-solving skills with a strong attention to detail.• Proven ability to communicate complex data concepts effectively to both technical and non-technical stakeholders.Preferred Qualifications• Experience with data visualization tools (e.g., Tableau, Looker) is a plus.• Familiarity with machine learning concepts and practices.

Oct 8, 2024
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Prismic logo
Full-time|On-site|Paris

Hello from Prismic! Our mission is to empower marketers and developers to create personalized web experiences at scale and with soul. AI technology is revolutionizing the landscape of web development and management. We envision a future where the web is agent-driven, allowing systems to autonomously generate, optimize, and evolve experiences while enabling humans to concentrate on strategy, creativity, and control. We are actively crafting that future and are on the lookout for passionate individuals to help bring this vision to life for our customers! About the Role As an AI Solutions Engineer at Prismic, you will find yourself at the crossroads of AI, marketing, and product innovation. Your mission is to transform Prismic into an unforgettable “aha” moment for every potential client. Your responsibility is to design and deliver impactful demo experiences that instantly demonstrate the value of Prismic to prospects. By understanding a company's business context, acquisition strategies, and branding, you will create an engaging, hands-on experience that illustrates how Prismic can catalyze growth. Increase traffic acquisition Enhance conversion rates Effortlessly scale content While you will maintain a strong grasp of the Prismic Platform (Headless CMS), your primary focus is on showcasing the Prismic Agents—AI-powered workflows designed to enable marketing teams to generate, personalize, and scale high-performing content without the need for engineering. This role diverges from traditional solutions positions. You will be part builder, part strategist, part storyteller: You will translate a company’s growth strategy into actionable AI workflows You will rapidly prototype using authentic data and real-world use cases You will weave narratives that render the future feel immediate and attainable Responsibilities Close deals through remarkable demo experiences centered around Prismic Agents (SEO, ABM, Paid Ads, localization) Convert prospect content production needs (business model, acquisition strategy, brand identity) into custom AI workflows Develop lightweight prototypes, automations, and datasets to bring use cases to life Utilize the Prismic platform to create realistic, scalable content architectures Consistently enhance demo assets into a repeatable, high-conversion demo system Serve as a feedback conduit between sales, product, and AI capabilities Success Metrics Prospects quickly grasp the value of Prismic within minutes Demo experiences significantly impact pipeline conversion and deal velocity Prismic Agents become a key reason customers choose Prismic Demo experiences consistently lead to...

Apr 9, 2026
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Match Group, Inc. logo
Full-time|On-site|Paris, France

Join Match Group, a global leader in online dating and relationship services, as a Senior Engineering Manager. In this pivotal role, you will lead a talented team of engineers, driving innovation and excellence in software development. Your expertise will guide project execution, ensuring timely delivery of high-quality products that meet our users' needs.We seek a dynamic leader who thrives in a fast-paced environment and is passionate about technology and team collaboration. Your ability to mentor and inspire will be key to fostering a culture of continuous improvement and teamwork.

May 1, 2026
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CryptoNext Security logo
Full Stack Developer

CryptoNext Security

Full-time|On-site|Paris, Île-de-France, France

About UsAt CryptoNext Security, we are pioneers in the realm of deep technology, focusing on post-quantum cryptography. Our innovative solutions empower businesses and institutions to safeguard their data against the impending challenges posed by quantum computing. We proudly collaborate with prominent clients across sectors such as finance, defense, and telecommunications.Your Daily ResponsibilitiesCraft and implement dynamic user interfaces utilizing React for our advanced post-quantum cryptography products.Work collaboratively with Product and Backend teams to deliver a seamless and user-friendly experience.Enhance performance while ensuring cross-browser and cross-device compatibility.Integrate REST APIs to facilitate interaction with backend services.Engage in code reviews and uphold best practices, including unit testing, continuous integration, and comprehensive documentation.Propose enhancements to frontend architecture through technological upgrades and refactoring.Foster improvements in our products beyond your typical responsibilities.Adhere to our frontend team principles: “Done over perfect” / we prioritize speed: KISS, DRY (Don't Repeat Yourself), SOLID.Essential SkillsProficient in React / Next.js along with its ecosystem (React Hooks, Context API).Solid understanding of TypeScript and fundamental programming principles.Experience with modern UI libraries such as Tailwind or chadcn/ui.Proven track record in integrating REST APIs.Strong knowledge of frontend performance optimization and related tools (Webpack, Vite, Core Web Vitals).Familiarity with frontend testing frameworks like Jest, React Testing Library, and Cypress.Competence in Git, CI/CD pipelines, and DevOps for automated integration and deployment.Desirable SkillsExperience with gRPC.Understanding of secure coding practices and application security.Basic knowledge of cryptography and cybersecurity.Experience in a startup or deeptech environment.Join Our TeamYou will become a key member of our R&D team, collaborating closely with backend developers, product managers, and UX/UI designers. You will report to the team lead and work with various departments to develop high-performance, user-centric interfaces that align with our clients' needs.Application ProcessInitial conversation with our HR team to discuss your background and motivations.Technical interview to assess your skills and fit for the role.

Mar 4, 2025
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Segula Technologies logo
Full-time|On-site|Paris

Join Segula Technologies as a Senior Certification Engineer (F/H) in the vibrant city of Paris. In this role, you will be at the forefront of ensuring product compliance and certification in line with industry standards. You will work collaboratively with cross-functional teams to develop and implement testing strategies that align with regulatory requirements.

Mar 3, 2026
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Vizzia logo
Full-time|On-site|Paris

Vizzia provides hardware solutions, including cameras, stations, and accessories, to over 250 local authorities, with plans to reach 450 by the end of 2026. The company is expanding both its technical capabilities and its market presence, following a recent €30M Series B funding round. This growth brings new challenges in delivering reliable, industrial-grade products at scale. The Hardware R&D team at Vizzia covers electronics, mechanics, and firmware. The Lead Hardware Engineer will play a central role in shaping system architecture, setting technical standards, and ensuring that lab innovations become robust products in the field. This position works closely with David, Head of Hardware, and the Paris-based hardware team. Main responsibilities Architecture and Technical Decisions Oversee system architecture across electronics, mechanics, and firmware, balancing performance, cost, and maintainability. Guide technical decisions in high-speed design and embedded systems, providing clear rationales for choices. Anticipate requirements for EMC, CE, and NDAA certifications from the start of each project. Strive for simplicity in design, removing unnecessary complexity. Industrialization and Quality Integrate Design for Manufacturing (DFM) and Design for Test (DFT) constraints early in the process. Develop and enforce validation plans that go beyond lab testing, including functional, environmental, EMC, and field tests. Prepare thorough industrial documentation for production, such as BOM, Gerber files, test reports, and procedures. Manage BOM costs and secure key components by establishing dual sourcing strategies. Lead go/no-go reviews before each hardware release and make final decisions. Technical Standards and Team Development Set and uphold high engineering standards for the hardware team, including documentation, validation, design reviews, and best practices. Serve as a technical reference for junior and mid-level engineers, supporting them in solving complex challenges.

Apr 21, 2026
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Bigblue logo
Full-time|On-site|Paris

Paris | Full-time | Fluent in French & English E-commerce is thriving, yet independent brands often find it challenging to compete with the streamlined logistics of giants like Amazon. At Bigblue, we are dedicated to transforming this landscape.We empower brands by democratizing top-tier operations, enabling them to scale rapidly while providing an exceptional customer experience.Founded in 2018, we have developed a technology-driven logistics platform that supports over 500 brands, ranging from fast-growing DTC startups to renowned global names such as MUJI, Aigle, and Cabaïa. With a team of more than 110 employees across Paris, Madrid, and London, our proprietary WMS (Warehouse Management System) Atlas and a network of 7 warehouses across Europe are designed to tackle logistics challenges that others shy away from, making fulfillment faster, smarter, and greener.Backed by over $20M in funding and trusted by the next generation of e-commerce leaders, we are rapidly scaling towards our goal of processing 10 million orders in 2024 as we embark on ambitious enterprise expansion. The journey ahead is exciting, and we are looking for the right individual to help us lead the way.About the Product TeamAs part of the team driving Bigblue's growth, you will have a threefold mission:• Absorb complexity and connect teams to facilitate rapid scaling without disruption.• Maintain close relationships with merchants and warehouse operators to identify issues and opportunities proactively.• Ensure that every product release enhances the user experience, making it smoother and more reliable.You will collaborate with experienced product managers and engineers from top companies (Apple, Vimeo, Frichti, Kapten, Alan, etc.), gaining hands-on product expertise, refining your technical skills, and playing a crucial role in shaping the future of Bigblue.

Sep 10, 2025
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Arago logo
Full-time|On-site|Paris Offices

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.

Jan 19, 2026
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Mistral AI logo
Full-time|On-site|Paris

Join Mistral as a Field Hardware Engineer specializing in High Performance Computing (HPC). In this role, you will be responsible for deploying, troubleshooting, and optimizing cutting-edge hardware systems in various environments. Your expertise will directly contribute to enhancing computational performance for our clients. We seek a proactive engineer who thrives in dynamic settings and is passionate about technology and innovation.

Nov 10, 2025
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Mistral AI logo
Full-time|Remote|Paris

About Mistral At Mistral AI, we harness the transformative power of Artificial Intelligence to streamline tasks, save valuable time, and elevate learning and creativity. Our innovative technology is crafted to seamlessly integrate into everyday workflows.We are committed to democratizing AI through our high-performance, optimized, open-source models, products, and solutions. Our extensive AI platform caters to enterprise requirements, whether hosted on-premises or in the cloud. Included in our offerings is le Chat, an AI assistant designed to enhance both life and work.Our dynamic and collaborative team is passionate about the potential of AI to revolutionize society. We pride ourselves on a diverse workforce that 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 being part of a pioneering organization that is shaping the future of AI. Together, we can create a significant impact. Discover more about our culture at https://mistral.ai/careers.Role Overview We are on the lookout for exceptionally skilled Site Reliability Engineers (SRE) to enhance the reliability, scalability, and performance of our platform and customer-facing applications. You will collaborate closely with our software engineers and research teams to ensure our systems not only meet but exceed the expectations of our internal and external customers.Location: Remote - EuropeReporting Line: Team Lead, Site Reliability EngineerKey ResponsibilitiesAs a Site Reliability Engineer, you will adeptly balance daily operations on production systems with long-term software engineering enhancements to minimize operational toil while enhancing the reliability, availability, and performance of these systems.Operations (50%)• Design, build, and maintain scalable, highly available, and fault-tolerant infrastructures to support our web services and machine learning workloads.• Ensure our platform, inference, and model training environments are consistently highly available and facilitate seamless replication of work...

Apr 2, 2024
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White Circle logo
Audio AI Engineer

White Circle

Full-time|On-site|Paris

TLDR: We are seeking an experienced Audio and Multimodal Machine Learning Engineer to develop, train, and deploy cutting-edge speech, audio, and multimodal AI models for an advanced AI safety platform that handles over 100 million API calls each month.About UsWhite Circle is at the forefront of AI safety, dedicated to creating a reliable and optimized framework for AI systems. Our innovative platform is powered by simple natural-language policies that dictate the acceptable behaviors of AI models. We automate the testing, enforcement, and continuous enhancement of these policies to ensure they scale effectively.Backed by $11 million from leading investors, founders, and executives from organizations like OpenAI, Anthropic, HuggingFace, Mistral, DeepMind, and Datadog.Processing over 100 million API calls monthly.We specialize in fine-tuning and training our own large language models to outperform both open-source and proprietary alternatives in speed and cost.Our team is small yet immensely focused. If you are eager to tackle complex challenges, quickly see your contributions in production, and shape the future of AI safety, we want you on our team.Your Responsibilities:Train and refine large-scale audio and multimodal models from scratch and using pretrained checkpoints.Design and execute experiments, including architectural modifications, data mixes, and training methodologies.Create and maintain audio data pipelines, transforming raw recordings into training-ready datasets.Optimize models for production environments, focusing on quantization, distillation, and streaming inference.Implement end-to-end model deployment, ensuring low-latency serving from research checkpoints.Collaborate with research teams to translate experimental concepts into deployable features.Establish key evaluation metrics and benchmarks that are crucial for product performance.Ideal Candidate:3+ years of experience in training large-scale deep learning models within audio, speech, or acoustic realms.Proficient in PyTorch and experienced in distributed training frameworks (such as DeepSpeed, FSDP, etc.).Familiar with audio/speech architectures like Audio Qwen, Whisper, HuBERT, or Conformer.Experience with multimodal architectures such as Audio Flamingo, Omni Qwen, etc.

Jan 16, 2026

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