Emplois de usability engineer – Paris

We have a simple yet ambitious goal; to sell train tickets in the easiest way possible for all European destinations. Booking a train should be just as simple as hopping on a train. Capitaine Train was founded by 3 engineers obsessed with simplicity. Our organisational structure is very simple and linear: those who make product decisions are the same ones...

Job Title: Software Engineer Location: Paris, Hybrid We are looking for an experienced Software Engineer to work on an industry-leading tool dedicated to the modelling and assembly of Systems-on-Chip (SoCs). Core Responsibilities Implement and refactor complex C++/Python software designs responsible for parsing SoC memory map specifications and generating...

The Role As a QA Engineer at Air Apps, you will play a key role in ensuring the quality, reliability, and performance of our mobile applications. You’ll focus on building robust automated tests and strengthening API testing processes while still performing hands‑on functional validation when needed. Working closely with developers, product managers,...

Proton technologies is looking for a Senior Engineer based in Paris to join their product teams focused on building privacy-first products. You will work on high-quality iOS applications that impact millions of users, ensuring product quality and usability while collaborating with diverse teams.The ideal candidate has extensive experience in mobile...

Robeautéis redefining the future of brain therapies with the first microrobotic platform of its kind, designed to navigate the human brain with unprecedented precision. The new generation of microrobots can diagnose, treat and monitor the brain from within, overcoming long-standing limitations in treating neurological conditions that affect more than one in...

Capitaine Train, a dynamic startup in Paris, is seeking an experienced iOS Developer to join their mobile team. In this role, you will be responsible for shipping the Capitaine Train app across all iOS devices, collaborating with backend engineers and ensuring usability, speed, and customer service.The ideal candidate will have several years of Objective-C...

Frontend Engineer – Inbox Team As a Frontend Engineer on the Inbox team, you will play a crucial role in developing Proton's most vital services, including Mail and Calendar. You are expected to be customer‑centric, continuously learning, passionate about technology and usability, adept at turning technical complexities into seamless user experiences,...

Who Are We InSpek uses optical microchip technology to sense multiple molecules, temperature, acidity, oxygenation, and more in real time, directly at the heart of biochemical reactions. Our sensors help produce medicines, food, and energy while reducing waste. We make sensors better, cheaper, and smaller! Who Are We InSpek uses optical microchip technology...

Front is the customer operations platform built for B2B complexity, keeping every team, tool, and customer conversation in sync so companies can scale without losing connection. Our Workflows pod builds automated processes to reduce manual chaos and deliver repeatable excellence.We are hiring software engineers to help turn rough specs into features, improve...

What you'll doDoctolib is seeking several Mobile Engineers (mid-level and senior) to join our team working on a new initiative focused on mobile patient services and to re-work the architecture of the most downloaded app in France in 2022 (4,8 rating). As a Mobile Engineer, you will be responsible for developing and delivering a high-quality application that...

About Dioxycle Dioxycle is pioneering breakthrough carbon utilization technologies that convert industrial emissions into sustainable chemicals with unprecedented energy and cost efficiency. By displacing fossil fuels for the production of key chemicals, Dioxycle has the potential to ultimately reduce over 800 million tons of CO2 per year, representing over...

Qube Research & Technologies (QRT) is a global quantitative and systematic investment manager, operating in all liquid asset classes across the world. We are a technology- and data-driven group implementing a scientific approach to investing. Combining data, research, technology, and trading expertise has shaped our collaborative mindset, which enables us to...

About Dashlane Dashlane’s mission is to deliver the credential security every business and employee needs to thrive. Millions of consumers, and over 25,000 brands worldwide, such as Michelin, Air France, and Forrester, trust Dashlane for industry-leading innovations, patented zero-knowledge security, and an unmatched user experience. Founded in Paris,...

The Role Based in our Paris office, you’ll join one of several high-impact product teams focused on Proton Account, Lumo, and Meet, helping build the foundational experiences that power Proton’s ecosystem and the next generation of privacy-first products. From authentication, identity, and account security to privacy-preserving AI experiences and secure...

Frontend Engineer - Advanced AI Systems We are partnered with a cutting-edge AI safety startup that is building the foundational reliability and optimization layer for advanced AI systems capable of managing hundreds of millions of API calls monthly and train proprietary LLMs and VLMs that outperform commercial and open-source models. They are seeking a...

Data Software Engineer - Banking Compliance Join to apply for the Data Software Engineer - Banking Compliance role at Ageras Danmark. Overview At Shine, we’re redefining how entrepreneurs manage their banking and administrative tasks. Through seamless tools and innovative banking solutions, we help them focus on what matters most: growing their businesses....

This role is part of Datadog’s Security Agent team, which powers critical security capabilities across Workload Protection, Vulnerability Management, Cloud Security products, and other emerging security offerings. As a Staff Software Engineer, you will lead the design and development of low-level Linux instrumentation and runtime security technologies that...

Join Proton and build a better internet where privacy is the default 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...

Robeauté is redefining the future of brain therapies through the first microrobotic platform designed to navigate the human brain with unprecedented precision. This new generation of medical microrobots will be able to diagnose, treat, and monitor the brain from within, overcoming the persistent limitations in treating neurological diseases that affect more...

Job Description You will join our Engineering team and take a lead role in designing, building, and deploying Inbolt’s web applications used directly by our customers. Responsibilities Design and develop front end and back end features for customer-facing applications Build and scale APIs, data models, and real-time data flows for industrial use...