> Markdown version of [/jobs/ext/309972-lead-ux-designer-frontend-engineer](https://www.wearedevelopers.com/jobs/ext/309972-lead-ux-designer-frontend-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead UX Designer & Frontend Engineer - **Company:** Roche - **Location:** Barcelona, Spain - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Data Analysis, HTML5, Bioinformatics, Business Software, Cascading Style Sheets (CSS), Software Quality, Computer Simulation, D3.Js, Data Visualization, EHealth, Model View Controller (MVC), Scrum Methodology, Software Engineering, Web Applications, Web Engineering, Tailwind, Backend, Vue.js, Syntactically Awesome Style Sheets (SASS), Information Technology, Graphql, Front End Software Development, Meditech - **Published:** June 4, 2026 - **Apply:** https://opcionempleo.com/jobad/es5f5e8f4c0cd44cb7eb10bb6e2c4bb94b ## About the Role The Must-Haves: 5+ years of hands-on software development experience using modern JavaScript MVC frameworks, with deep, proven expertise in Vue.js. Strong practical experience with D3.js, including optimizing browser performance for rendering massive datasets. The Nice-to-Haves: A background or strong domain knowledge in life sciences, specifically Sequencing, PCR, Bioinformatics, or digital healthcare. Previous experience working within large, globally distributed enterprise environments (e.g., Pharma, MedTech). Excellent command of HTML5, CSS3, SASS, and modern utility-first frameworks like Tailwind CSS. Extensive experience driving technical decisions in Agile/SCRUM environments and collaborating on API standards such as REST or GraphQL. At Roche, we embrace emerging innovations, like AI, to enhance the patient journey. If you're passionate about new technology and thinking ahead, join us in building a healthier future together. * This is an on-site position and no relocation assistance is provided. ## Description We excel in delivering rigorous, clinically actionable data analysis across our diagnostics portfolio, believing that advancing computational methods and informatics solutions is essential to harnessing dynamic human health data. By listening closely to patients and physicians, and leveraging digitization and cutting-edge technologies, we work collaboratively to turn insights into impact. This shared spirit creates an environment where ideas grow, new approaches are trialed, and competitive products reach patients faster-ultimately realizing the DIA 10-year vision and our One Roche ambitions so that everyone can access personalized healthcare solutions. The Opportunity We are looking for a visionary Lead UX Designer & Frontend Engineer to shape the future of our digital products in the life sciences sector. In this hybrid leadership role, you will be the driving force behind the user interfaces and complex dashboards that empower our Machine Learning and Data Science teams. Operating at the intersection of UX design and high-performance frontend engineering, you will translate complex bioinformatics, PCR, and sequencing data into intuitive, lightning-fast web applications. If you are passionate about building scalable UI architectures and graphing millions of data points to drive scientific innovation, this is the role for you., Technical Leadership & Architecture: Act as the bridge between UX, Frontend, and Backend teams, driving architecture and design discussions to establish robust technical solutions and API designs (REST/GraphQL). Lead the end-to-end frontend implementation of enterprise-scale business applications deployed on AWS. Mentor and guide junior frontend engineers, fostering a culture of technical excellence, code quality, and continuous learning. UX Engineering & System Design: Own the user experience for highly complex data tools, ensuring seamless workflows for data scientists and researchers. Champion, maintain, and expand our internal component library (R-Design System) to ensure visual consistency across all products. Work closely with cross-functional teams in an Agile/SCRUM environment to map out user journeys and interface requirements. Advanced Frontend & Data Visualization: Build scalable, responsive, and highly interactive frontends using Vue.js and Tailwind CSS. Architect high-performance data visualization solutions capable of rendering millions of data points smoothly in the browser using D3.js. Interface directly with AWS cloud services and help shape backend interface requirements. Who You Are You are an engineering champion and a collaborative technical leader who is passionate about leveraging technology to transform medicine. You thrive when navigating ambiguity, enjoy solving complex data challenges, and excel at empowering your team through technical mentorship. ## Related Videos - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Web-based Information Visualization](https://www.wearedevelopers.com/videos/84-web-based-information-visualization) - [Lessons learned from building a thriving Vue.js SaaS application](https://www.wearedevelopers.com/videos/1666-lessons-learned-from-building-a-thriving-vue-js-saas-application) - [But, you're not Facebook](https://www.wearedevelopers.com/videos/378-but-you-re-not-facebook) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Can SVG be fast? 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