Frontend Engineer Jobs in Paris, EEA

Outsight’s software solutions track the motion of people and vehicles using 3D LiDAR data. Operators of transportation hubs like airports and train stations but also sport venues, road infrastructures and industrial sites can now access accurate and anonymous Spatial Intelligence data, in order to improve operations and increase user safety and satisfaction.   Our international team of scientists and engineers drive the development of our solutions from Paris, San Francisco, Sophia-Antipolis (Nice), Singapore & Hong Kong. To support our global outreach, we also operate a commercial office in Spain.   You can find below an interesting link about who we are and what we do : Insights about Outsight   Our Passenger Flow Traffic Monitoring solution is trusted by the world’s leading airports and train stations across four continents, including the most renowned hubs celebrated for their operational excellence and exceptional passenger experience.  We also deploy our solutions in other markets such as Tourism, Retail and Sports.   Additionally, our Car Traffic Remote Monitoring product is trusted by several Tier 1 customers, including BMW.   Context   We are looking for an experienced frontend engineer to redefine how humans interact with live spatial tracking. This engineer will translate abstract real-time coordinates, semantic timelines, and conversational agent feedback into beautiful, accessible web applications.   Responsibilities   Develop responsive web experiences displaying intricate spatial layouts, streaming event lists, and multi-tenant telemetry dashboards. Build modular, real-time chatbot components and rich-text messaging UI components that expose backend AI agent steps transparently. Ensure rigid web application performance metrics, smooth rendering profiles under heavy live-data traffic, and clean state handling. Provide close technical mentorship and guidance to incoming Frontend Interns joining the team. Requirements for the role Agentic Workflow & Productivity Edge: Proven track record of designing generative UI experiences where components fluidly adapt based on structural payload returns from AI agents. Must showcase high productivity using modern terminal/IDE augmentations to prototype complex frontend views at exceptional speed.   Why join us?   Be part of the team pioneering Spatial Intelligence solutions at unprecedented scale—the breakthrough technology transforming how the world’s most prestigious airports, infrastructure operators, and smart cities understand and optimize physical flows.   As a 7-time Gartner-recognized category-defining leader with dozens of global awards including “Edge AI Product of the Year,” “LiDAR Leader Award,” “CES Best of Innovation” and many more, we’re backed by 37 patents and deployments with the most prestigious (and challenging) customers across four continents.   Join our international team of world-class experienced engineers and business leaders solving humanity’s most complex spatial challenges, from passenger flow optimization to autonomous robotics coordination, while working at the cutting edge of 3D AI, LiDAR perception, and real-time analytics.   Supported by rock-solid investors including BNP Paribas, BPI France, Energy Innovation Capital and Demeter who back our long-term vision, this is your opportunity to shape how physical and digital worlds interact, with the resources, growth trajectory, and technical challenges that will accelerate your career in ways traditional companies cannot offer.   Outsight is an Equal Employment Opportunity employer that pursues and hires a diverse workforce. Outsighters don't make employment decisions on the basis of race, color, religion, ethnic or national origin, nationality, sex, gender, gender identity, sexual orientation, disability, age, military status, or any other basis protected by local, state, or federal laws. Outsight also strives for a healthy and safe workplace, and prohibits harassment of any kind. If you have a disability or special need that requires accommodation, please let us know.

C2 Software Frontend Engineer at Harmattan ai. Apply via Ashby.

Frontend Engineer at Adaptive ml. Apply via Ashby.

<p><strong>Join Proton and build a better internet where privacy is the default</strong></p> <p>At Proton, we believe that privacy is a fundamental human right and the cornerstone of democracy. Since our inception in 2014, founded by a team of scientists from CERN, we have dedicated ourselves to providing free and open-source technology to millions worldwide, ensuring access to privacy, security, and freedom online.</p> <p>Our journey began with Proton Mail, the largest secure email service globally, and has since expanded to include Proton VPN, Proton Calendar, Proton Drive, Proton Pass, Proton Wallet, and Lumo by Proton. These tools empower individuals and organizations to take control of their personal data, break away from Big Tech’s invasive practices, and defeat censorship. Our work impacts hundreds of millions of lives, from activists on the front lines defending freedom to leaders in governments protecting sensitive information. In some cases, Proton’s services have even been instrumental in saving lives by enabling secure and private communications in high-risk situations.</p> <p>Proton is a profitable company that does not rely upon VC funding, supporting over 100 million user accounts with a growing team of over 500 people from over 50 different countries, from the world's top companies and universities. We value intelligence, learning potential, and ambition in our hiring process. Adaptability is key as we navigate uncharted territories and redefine how business is conducted online.</p> <p>Hiring at Proton is highly selective, with less than 1% of candidates hired. We believe smaller teams of exceptional talent will always prevail over larger teams with lower talent density. You will have the opportunity work with many of the world's top minds in their fields, ranging from former international math and science olympiad winners to chess champions.</p> <p>We have a global mindset and big ambitions but remain a start-up at heart. We value empowerment and flexibility and keep our structure flat to keep moving fast and avoid unnecessary politics. Tired of blending into the crowd? Join us and do work you can truly be proud of.<span class="Apple-converted-space"> </span><span class="inline-comment-marker" data-ref="43f1df81-f59f-4508-9276-140c0b441d21">Check our<span class="Apple-converted-space"> </span></span><strong><span class="inline-comment-marker" data-ref="43f1df81-f59f-4508-9276-140c0b441d21">open-source<span class="Apple-converted-space"> </span></span></strong><span class="inline-comment-marker" data-ref="43f1df81-f59f-4508-9276-140c0b441d21">projects<span class="Apple-converted-space"> </span></span><strong><

<p class="Lexical__paragraph"><strong><strong class="Lexical__textBold">Join Proton and build a better internet where privacy is the default</strong></strong></p> <p class="Lexical__paragraph">Proton was founded in 2014 by scientists from CERN on a simple truth: <strong><strong class="Lexical__textBold">privacy is a fundamental human right</strong></strong>. Since then, we’ve built the world’s largest encrypted email service (Proton Mail) and expanded into Proton VPN, Proton Drive, Proton Pass, and Proton Calendar—tools used by millions globally to protect their freedom, fight censorship, and keep their data safe. In some situations, Proton has literally helped save lives!</p> <p class="Lexical__paragraph">We are profitable, independent (no VC control), and selectively hire from the top ~1% of applicants. Our 500+ team members across 50+ countries come from leading organizations and elite academic backgrounds. We move fast, keep hierarchy light, and prioritize impact over optics. If you want to do meaningful work with exceptionally high-caliber people, this is it. Join us and do work you can truly be proud of. Check our open-source projects <a class="Lexical__link" href="https://proton.me/community/open-source">here</a>!</p> <p class="Lexical__paragraph"><strong><strong class="Lexical__textBold">The Pass Team</strong></strong></p> <p class="Lexical__paragraph">Proton Pass is a secure, open-source password manager developed by Proton—the team behind Proton Mail and Proton VPN. Built with end-to-end encryption and a strong commitment to privacy, Proton Pass helps individuals and teams safely manage passwords, 2FA codes, notes, and more. As part of the Proton ecosystem, it integrates seamlessly with other privacy-first tools, ensuring robust protection for your digital identity.</p> <p class="Lexical__paragraph"><strong><strong class="Lexical__textBold">What you will do:</strong></strong></p> <p class="Lexical__paragraph">We're seeking an experienced developer working across multiple web platforms including browser extensions, web and desktop applications. This role requires both front-end expertise and deep technical knowledge of browser internals, extension APIs, and desktop application frameworks</p> <ul class="Lexical__ul Lexical__ul--depth-1"> <li class="Lexical__listItem" value="1"><strong><strong class="Lexical__textBold">Develop new features:</strong></strong> Developing, deploying and supporting high-quality user experiences, including feature development and implementation.</li> <li

<p class="Lexical__paragraph"><strong><strong class="Lexical__textBold">Join Proton and build a better internet where privacy is the default</strong></strong></p> <p class="Lexical__paragraph">At Proton, we believe that privacy is a fundamental human right and the cornerstone of democracy. Since our inception in 2014, founded by a team of scientists from CERN, we have dedicated ourselves to providing free and open-source technology to millions worldwide, ensuring access to privacy, security, and freedom online.</p> <p class="Lexical__paragraph">Our journey began with Proton Mail, the largest secure email service globally, and has since expanded to include Proton VPN, Proton Calendar, Proton Drive, and Proton Pass. These tools empower individuals and organizations to take control of their personal data, break away from Big Tech’s invasive practices, and defeat censorship. Our work impacts hundreds of millions of lives, from activists on the front lines defending freedom to leaders in governments protecting sensitive information. In some cases, Proton’s services have even been instrumental in saving lives by enabling secure and private communications in high-risk situations.</p> <p class="Lexical__paragraph">Proton is a profitable company that does not rely upon VC funding, supporting over 100 million user accounts with a growing team of over 500 people from over 50 different countries, from the world's top companies and universities. We value intelligence, learning potential, and ambition in our hiring process. Adaptability is key as we navigate uncharted territories and redefine how business is conducted online.</p> <p class="Lexical__paragraph">Hiring at Proton is highly selective, with less than 1% of candidates hired. We believe smaller teams of exceptional talent will always prevail over larger teams with lower talent density. You will have the opportunity to work with many of the world's top minds in their fields, ranging from former international math and science olympiad winners to chess champions.</p> <p class="Lexical__paragraph">We have a global mindset and big ambitions but remain a start-up at heart. We value empowerment and flexibility and keep our structure flat to keep moving fast and avoid unnecessary politics. Tired of blending into the crowd? Join us and do work you can truly be proud of. Check our <strong><strong class="Lexical__textBold">open-source </strong></strong>projects <a class="Lexical__link" href="https://proton.me/community/open-source"><strong><strong class="Lexical__textBold">here</strong></strong></a><strong><strong class="Lexical__textBold">!</strong></strong></p> <h4 clas

<p><strong>Join Proton and build a better internet where privacy is the default</strong></p> <p>At Proton, we believe that privacy is a fundamental human right and the cornerstone of democracy. Since our inception in 2014, founded by a team of scientists from CERN, we have dedicated ourselves to providing free and open-source technology to millions worldwide, ensuring access to privacy, security, and freedom online.</p> <p>Our journey began with Proton Mail, the largest secure email service globally, and has since expanded to include Proton VPN, Proton Calendar, Proton Drive, and Proton Pass. These tools empower individuals and organizations to take control of their personal data, break away from Big Tech’s invasive practices, and defeat censorship. Our work impacts hundreds of millions of lives, from activists on the front lines defending freedom to leaders in governments protecting sensitive information. In some cases, Proton’s services have even been instrumental in saving lives by enabling secure and private communications in high-risk situations.</p> <p>Proton today supports over 100 million user accounts with a growing team of over 500 people from over 50 different countries, from the world's top companies and universities. We value intelligence, learning potential, and ambition in our hiring process. Adaptability is key as we navigate uncharted territories and redefine how business is conducted online. We believe smaller teams of exceptional talent will always prevail over larger teams with lower talent density. Proton has become profitable and reached scale without relying upon VC funding, largely due to superior talent that allows us to do things faster, more creatively, and more efficiently.</p> <p>We have a global mindset and big ambitions but remain a start-up at heart. We value empowerment and flexibility and keep our structure flat to keep moving fast and avoid unnecessary politics. Tired of blending into the crowd? Join us and do work you can truly be proud of. <span class="TextRun SCXP96911575 BCX0"><span class="NormalTextRun SCXP96911575 BCX0"><span class="inline-comment-marker" data-ref="df41d9b1-a4e5-469e-b94c-9c31cb38a786">Check our <strong>social media pages</strong> to learn more about us: <a class="external-link" href="https://x.com/ProtonPrivacy">Twitter</a>, <a class="external-link" href="https://www.reddit.com/r/ProtonMail/">Reddit</a>, <a class="external-link" href="https://www.instagram.com/protonprivacy/">Instagram</a>.</span></span></span></p> <p class="Lexical__paragraph"><strong><strong class="Lexical__textBold">The Team:</strong></strong></p> <p cl