React Engineer jobs in Paris – Page 4 | RoboApply Jobs

React Engineer jobs in Paris· Page 4

Results 61–80 of 841 for “React Engineer” in Paris.

841 jobs found

61 - 80 of 841 Jobs
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OpenAI logo
Full-time|Hybrid|Paris, France

About Our TeamThe Technical Success team plays a pivotal role in facilitating the safe and effective deployment of ChatGPT and OpenAI API applications for developers and enterprises. Acting as trusted advisors, we empower our clients to fully leverage the capabilities of our models and products. As a Solutions Engineer, you will assist businesses across vari…

Feb 25, 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 tasks, enhance creativity, and foster learning. Our innovative technology seamlessly integrates into everyday workflows, empowering users across various domains.We are committed to democratizing AI through high-performance, optimized, open-source, and cutting-edge models and solutions. Our comprehensive AI platform is tailored to meet enterprise needs, whether deployed on-premises or in cloud environments. Our offerings include le Chat, the AI assistant designed to elevate both professional and personal tasks.As a vibrant and collaborative team, we are passionate about the potential of AI to revolutionize society. Our diverse workforce thrives in competitive environments and is dedicated to fostering innovation, with teams distributed across France, the USA, the UK, Germany, and Singapore. We pride ourselves on being creative, humble, and team-oriented.Join us at Mistral AI, a pioneering company at the forefront of shaping AI's future. Together, we can create a significant impact. Discover more about our culture at https://mistral.ai/careers.Role Overview: M&A Technology EngineerIn the role of M&A Technology Engineer, you will play a pivotal role in driving our growth strategy through strategic acquisitions. This position requires a robust technical background coupled with a strategic mindset.Your key responsibilities will include identifying and assessing M&A opportunities that align with our technical and business objectives, ultimately enhancing Mistral’s capacity for innovation and expanding our market footprint. You will collaborate with cross-functional teams including Product, Engineering, Legal, and Finance to evaluate potential acquisition targets from a technical standpoint.By executing on high-potential acquisition initiatives, you will contribute to strengthening our technical capabilities, broadening our product range, and solidifying our market position. Your contributions will be instrumental in guiding Mistral AI's future and advancing our mission to democratize AI.

Oct 7, 2025
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White Circle logo
Full-time|$80K/yr - $150K/yr|Hybrid|Paris

Join our dynamic team as a Frontend Product Engineer and play a pivotal role in ensuring the safety and integrity of large language models (LLMs).About White CircleWhite Circle specializes in AI safety, developing a comprehensive framework for the reliability, safety, and optimization of AI systems. Our platform is centered around clear, natural-language policies that dictate the appropriate and inappropriate actions of AI models. We continuously test, enforce, and enhance these policies on a large scale.Secured $11 million in funding from leading investors, including founders and senior executives from OpenAI, Anthropic, HuggingFace, and more.Handling over 100 million API calls monthly.Expertly fine-tuning and training our own LLMs for enhanced performance and cost-effectiveness compared to other models.Our small, focused team is looking for individuals eager to tackle challenging problems, quickly implement their work into production, and significantly contribute to the development of AI safety standards.Your Qualifications:Proficient in TypeScript, React, Next.js, and Tailwind CSS.Experience with LLMs, including familiarity with the OpenAI API, function calling, and context management.Ability to write complex SQL queries without needing external references.Strong focus on design, usability, and performance, prioritizing quality over mere functionality.Your Responsibilities:Oversee and deliver product features across the entire stack, from design and implementation to deployment and ongoing improvements.Craft intuitive, high-quality user experiences, ensuring smooth transitions from user onboarding to in-depth analysis.Collaborate with founders, product managers, designers, ML engineers, and researchers to transform intricate AI functionalities into user-friendly, dependable products.Lead the complete development lifecycle while influencing technical direction, product strategy, and engineering culture.Why Choose White Circle?Competitive salary ranging from $80,000 to $150,000 plus equity options.20 days of paid vacation annually.Opportunities to work from Paris in a hybrid model, including a relocation package.

Dec 7, 2025
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Morpho logo
Full-time|Hybrid|Paris

About MorphoMorpho is at the forefront of Decentralized Finance (DeFi), offering an innovative lending protocol that recently raised $50 million from renowned investors such as Ribbit Capital, a16z crypto, Coinbase Ventures, and others. Our goal is to create an open lending network that provides individuals worldwide access to the most favorable terms available. With over $10 billion in deposits on our network, Morpho is setting a new benchmark in DeFi lending. We are expanding our team to solidify our position as a key player not only in DeFi but also in the emerging internet-native financial ecosystem.Our MissionAt Morpho, we aim to empower human ambition by providing open access to capital. We recognize that ambition knows no boundaries, yet access to capital can be limited. The current financial landscape is often closed and disjointed, leading to missed opportunities and unequal access. We strive to ensure that capital flows efficiently to where it is needed most, enabling anyone, anywhere to achieve the best possible terms.LocationThis role can be based in Paris or remotely (from -5h GMT to +2h GMT) to facilitate collaboration with the team.How We WorkWe tackle complex challenges in a rapidly evolving market without predefined guidelines; adapting to uncertainty is part of our daily work. We encourage questioning and transparency, ensuring that decisions are well-founded. Our culture promotes high standards paired with strong support: we assist one another in overcoming obstacles and value open communication with humility. For more on our values, visit morpho.org/jobs.RoleAs a Staff Fullstack Engineer, your mission will be to design, build, and scale Morpho's full-stack systems. You'll enable teams to deliver products swiftly, securely, and reliably across platforms managing billions in Total Value Locked (TVL). Your work will transform intricate requirements into streamlined, high-performance software that enhances product velocity and provides genuine user value.ResponsibilitiesLead the architecture and end-to-end delivery of web applications, APIs, and data indexers, ensuring user impact is achieved promptly and securely.Devise a scalable API and SDK strategy with comprehensive versioning and documentation, empowering numerous external developers to integrate with Morpho.Construct high-performance data pipelines to manage on-chain events effectively.

Apr 1, 2026
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Algolia logo
Full-time|On-site|Paris, France

As a Senior Solutions Engineer at Algolia, you will leverage your technical expertise to deliver exceptional solutions for our clients. You will collaborate with product and engineering teams to architect optimal search solutions that enhance user experiences. This role requires a blend of technical proficiency and customer-facing skills, ensuring that our clients harness the full power of our platform.

Mar 27, 2026
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Teads logo
Full-time|On-site|Paris

About TeadsTeads is a pioneering omnichannel advertising platform dedicated to optimizing outcomes for brand and performance advertisers across various screens. By harnessing the power of predictive AI technology, Teads connects quality media, stunning brand creatives, and context-driven addressability and measurement, ensuring meaningful business results. With direct partnerships with over 10,000 publishers and 20,000 advertisers globally, Teads is headquartered in New York City and boasts a diverse team of approximately 1,700 professionals across 30+ countries.For further details, please visit www.teads.com.Join us as a Senior Security Engineer to enhance security across our product and platform teams while also addressing internal corporate security needs. You will create significant impact through empowerment, automation, and effective risk management.

Mar 10, 2026
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Ankorstore logo
Full-time|On-site|Paris

About UsAt Ankorstore, we're dedicated to empowering independent brands and retailers by streamlining the wholesale process, making it easier, quicker, and more profitable for all involved.Our aim is to create a robust infrastructure that supports contemporary wholesale practices for brands—from enhancing visibility among suitable retailers to managing orders, logistics, and financing—enabling both parties to collaborate on more sustainable terms.The role of Lead Data Platform Engineer is essential to our mission, overseeing the architecture, reliability, and strategic evolution of our data infrastructure.You will spearhead a diverse team of Data Engineers and Analytics Engineers to develop a state-of-the-art Modern Data Stack. Your objective is to connect raw infrastructure with business intelligence, ensuring efficient data ingestion and transformation using BigQuery, Airflow, and dbt, while also facilitating actionable insights through advanced visualizations in Sigma Computing and product analytics in Amplitude.

Jan 27, 2026
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Segula Technologies logo
High Voltage Engineer H/F

Segula Technologies

Full-time|On-site|Paris

Join Segula Technologies as a High Voltage Engineer and contribute to pioneering projects in the electrical engineering sector. In this role, you will be responsible for designing and implementing high voltage systems, ensuring safety and compliance with industry standards. This is an exciting opportunity to work in a dynamic environment where innovation and creativity are encouraged.

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

Role overview Alten is looking for a Senior Data Engineer to join the team in Paris. This role focuses on designing and building data solutions that support business intelligence and analytics efforts. What you will do Design and implement data architectures and pipelines Support business intelligence and analytics projects with reliable data solutions Work to optimize data systems for performance and integrity Location This position is based in Paris.

Apr 16, 2026
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Vibe.co logo
Full-time|On-site|Paris

Join Vibe and Transform Streaming TV AdvertisingAt Vibe.co, we are revolutionizing the way brands connect with audiences in today’s streaming landscape. We see streaming TV not merely as a platform for brand awareness but as a powerful performance marketing channel offering immense potential. Our mission is to build the infrastructure that will unlock this $100 billion opportunity.Vibe.co delivers an Audience First Streaming TV Advertising solution, enabling marketers to harness the full power of TV as a growth channel. Our comprehensive platform integrates precision audience targeting, AI-driven insights, real-time campaign optimization, and effective incrementality measurement, equipping brands of all sizes with the same level of accuracy and transparency they expect from digital channels.With the trust of over 10,000 brands and coverage reaching more than 120 million households across 500+ applications and channels, Vibe.co boasts an impressive average return on ad spend of 250% and a 20% lift in sales. In under two years, we achieved a remarkable $100 million revenue run rate, placing us among the fastest software companies to reach this milestone.Supported by renowned investors such as Hedosophia, Elaia, and several angel investors including Carolyn Everson of The Walt Disney Company, we are proud to be recognized as the leading platform in streaming TV advertising. Founded in 2022, Vibe.co is at the forefront of bringing advanced performance marketing to the rapidly growing media sector.Your Role as a Senior Software Engineer - SREAs part of our Infra Platform team, you will play a critical role in the engineering backbone of Vibe. This team is responsible for hosting, provisioning, observability, CI/CD, internal tools, security, and compliance. Every product and platform team relies on the solutions we develop.You will report directly to our Lead Platform Engineer and collaborate closely with the team to establish the technical direction and uphold the infrastructure standards that are vital for the company’s success. Given the rapid growth of our platform, which is currently utilized by over 60 engineers daily, we are seeking a candidate who will take ownership and drive the scaling process. You will engage with infrastructure that processes over 600,000 queries per second, ensuring optimal latency and performance.

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

Join our dynamic team at amo as a pivotal member of our Android engineering group. As one of the early hires in a product-centric company, you will play a crucial role in shaping our design and product decisions from the ground up.Initially, you will collaborate closely with our founding team, gradually taking ownership of key components and features. We are looking for adaptable engineers who are eager to contribute to various foundational aspects of the company as we grow.We are committed to developing a team of subject matter experts, and we value team members who dive deep into their fields of expertise.As an Android Engineer, your day-to-day responsibilities will include:Feature DevelopmentYou will be at the forefront of delivering innovative and high-quality UI features in a fast-paced setting. We encourage you to push the limits of what's possible, leveraging your expertise in low-level APIs, shader creation for dynamic effects, and custom rendering systems.Platform DevelopmentYou will actively contribute to the creation and enhancement of our platform. This involves developing careful abstractions utilized by other Android team members, such as media encoding, decoding and playback; performance tracing libraries; and our own components for navigation and deep links across applications. Your work will extend beyond individual features to encompass cross-company components.Roadmap Creation and IdeationYou will play a vital role in the roadmap creation and ideation process, where your experience will be crucial in identifying trade-offs and offering valuable insights from both product and engineering standpoints.Knowledge SharingWe emphasize continuous learning and knowledge exchange. Your involvement in staying current with the latest trends and best practices, attending conferences, engaging in online communities, and sharing your insights internally will significantly contribute to our collective growth.Owning Your ScopeYou will be responsible for monitoring analytics and managing system crashes. We value engineers who take ownership of their responsibilities, proactively addressing issues and triaging bug fixes.

Oct 28, 2024
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Mistral AI logo
Full-time|On-site|Paris

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.

Nov 29, 2024
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Novaspace logo
Internship|On-site|Paris, France

Are you enthusiastic about data and its applications within the space sector? Do you aspire to broaden your skills and be a part of a dynamic and innovative field? At Novaspace, you will enter an exciting international consulting group that specializes in the rapidly evolving space industry. We are on the lookout for a Data Engineer Intern to aid in our strategic initiatives by developing cutting-edge data-centric products.As a Data Engineer Intern, you will collaborate with our digital and data team, playing a vital role in supporting our digital activities and shaping our data strategy within the space sector.

Nov 13, 2025
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bigblue logo
Full-time|On-site|Paris

Join bigblue as a Product Solutions Engineer and play a pivotal role in delivering innovative solutions that meet the diverse needs of our clients. You will collaborate with cross-functional teams to design, implement, and optimize product solutions that drive customer satisfaction and business success.

Nov 15, 2021
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amo logo
Full-time|On-site|Paris

Join our dynamic team at amo as a Location Platform Engineer, where you will play a crucial role in developing and enhancing the infrastructure that efficiently retrieves and processes background location data across diverse devices and operating systems. This position provides an exciting opportunity to work on scalable production systems while ensuring battery efficiency, adhering to privacy standards, and maintaining OS compatibility.We are looking to bring on board several engineers with varying levels of experience. Kindly specify your years of experience in the application form.If you are a seasoned engineer: You will take the helm of the location platform, evolving our technological stack to meet new challenges, mentoring junior team members, and spearheading enhancements in accuracy, efficiency, and compliance.If you are a junior engineer: You will contribute under mentorship, gaining invaluable hands-on experience with production systems, learning cross-platform infrastructure, and developing core skills in backend and client-side development.Your daily responsibilities will encompass:Develop and sustain backend services using Rust alongside client-side codebases in Rust, Kotlin, and Swift.Contribute to systems that manage high traffic and substantial volumes of location data.Enhance scalability, reliability, and performance, both independently and under guidance based on your experience level.Cross-Platform ConsistencyBolster infrastructure that supports both iPhone and Android devices, accommodating various OS versions and OEM variants.Collaborate with iOS and Android engineers to ensure a cohesive and seamless user experience.Feature DevelopmentImplement and optimize the collection of location data through Wi-Fi, network signals, GPS, and Bluetooth technologies.Adapt to evolving OS updates and privacy regulations, balancing precision with battery efficiency.Assist in the development of internal tools, including analytics dashboards, debugging utilities, and user-specific analysis tools.Operational ExcellenceMonitor system metrics, troubleshoot bugs, and proactively resolve performance issues.Ensure adherence to privacy regulations and OS standards.Cultivate robust engineering practices in testing, observability, and documentation.Commitment to Ongoing LearningEngage in continuous improvement and stay updated with technological advancements.

Mar 19, 2026
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Pigment logo
Full-time|On-site|Paris

Join our innovative team at Pigment as a Senior Security Engineer. In this pivotal role, you will be responsible for safeguarding our systems and data against potential threats. You will design and implement robust security measures, conduct risk assessments, and respond to security incidents. Your expertise will help us maintain a secure environment while enabling our teams to innovate and grow.

Mar 18, 2026
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Harmattan AI logo
Full-time|On-site|Paris

About UsHarmattan AI is at the forefront of building advanced, autonomous defense systems that are both scalable and effective. Following our successful $200M Series B funding round, which has positioned our company at a valuation of $1.4 billion, we are expanding our teams and capabilities to provide mission-critical systems to allied forces worldwide.Our operations are driven by our core values: developing impactful technologies, striving for excellence, setting ambitious targets, and tackling the most challenging technical hurdles. We thrive in a high-pressure environment that demands rigor, ownership, and execution.About the RoleAs a Flight Operations Engineer, you will serve as a critical link between our R&D lab and the operational field. Your primary responsibility will be overseeing the deployment of our technology, demonstrating its capabilities to global defense partners, training end-users in complex autonomous systems, and conducting thorough field validations. This position demands a unique blend of exceptional piloting skills, hands-on hardware engineering, and a high level of technical independence.ResponsibilitiesPlan and implement real-world test campaigns to assess the performance, reliability, and edge-case behaviors of new hardware and software iterations.Lead high-stakes live flight demonstrations for defense stakeholders, showcasing specialized mission capabilities in varied environments.Develop and deliver comprehensive training programs to ensure clients can operate Harmattan AI systems safely and effectively, covering key areas such as flight theory, autonomous mission planning, and emergency procedures.Collaborate with hardware, software, and systems teams to support debugging and iterations based on test results.Manage the deployment and tactical logistics of autonomous systems, ensuring seamless integration of command-and-control (C2) infrastructure and RF data links in complex, real-world settings for total mission readiness.

Jan 28, 2026
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Alten logo
Full-time|On-site|Paris

Join Alten as a Mechanical Equipment Engineer in the burgeoning energy sector. In this key role, you will leverage your engineering expertise to design, develop, and optimize mechanical systems that are vital to energy production. You will collaborate with a dynamic team of professionals dedicated to innovative engineering solutions for sustainable energy.

Apr 8, 2026
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Harmattan AI logo
Full-time|On-site|Paris

About the Role Harmattan AI is looking for a Physics Simulation Engineer in Paris. This position focuses on building and improving simulation models that support the company’s AI products. The work involves applying physics knowledge and programming skills to deliver simulations that are both precise and efficient.

Apr 20, 2026
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Kong Inc. logo
Full-time|On-site|France-Paris

Kong Inc. seeks a Senior Solution Engineer in Paris to join the Sales team. This position partners with Account Executives to support the technical sales process for both new and existing clients, focusing on Enterprise and Strategic accounts in France. The role involves driving new business and promoting Kong’s API management technology. Key responsibilities Partner with field sales to demonstrate the value of Kong’s API Management and Connectivity solutions to customers. Build and maintain trust-based relationships with clients throughout the sales process, from initial discovery and requirements gathering to product demonstrations and implementation. Support client evaluations by assisting with Proof of Concepts (PoCs). Onboard and train new clients, while identifying additional revenue opportunities with existing customers. Work closely with support, product, and engineering teams to prioritize customer needs and ensure satisfaction across assigned accounts. Create technical documentation for DevOps, implementations, and service engagements. Contribute to lead generation by writing blog posts, leading webinars, and attending industry events. Take on additional tasks as assigned by management. Requirements 5-7+ years of experience in pre-sales Solution Engineering or a similar role within SaaS, open-source, or enterprise software settings. Experience working with open-source technology. Strong understanding of API management, integration, cloud computing trends, and open-source business models. Confident presentation skills with the ability to engage C-level executives, product managers, and engineers. Kong welcomes applications from candidates who may not meet every requirement but have a strong interest in the role and relevant strengths.

Apr 22, 2026

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