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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Front-End Engineer - **Company:** Biorce - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Artificial Intelligence, Confluence, JIRA, HTML5, Bootstrap (Software), Browser Compatibility, Cascading Style Sheets (CSS), Code Review, Software Debugging, Design of User Interfaces, Preprocessor, Software Architecture, Responsive Web Design, TypeScript, Website Wireframe, Tailwind, ReactJS, Cypress (Programming Language), Git, Syntactically Awesome Style Sheets (SASS), Webpack, Atlassian Tools, Build Tools, Bitbucket, Web Technologies, Front End Software Development, React Testing Library, Restful APIs, Es2015, Software Version Control - **Published:** August 5, 2026 - **Apply:** https://www.buscojobs.com.es/senior-front-end-engineer-en-madrid-ID-365522421 ## About the Role Technical Skills: Proficiency in core web technologies: HTML5, CSS3, and JavaScript (ES6+) or TypeScript. Strong experience (4+ years) with React framework/library . Deep understanding of responsive design principles and experience with CSS preprocessors (Sass/Less) or frameworks (Tailwind CSS, Bootstrap). Familiarity with version control systems: Git. Experience with build tools and bundlers: Webpack, Vite, or Parcel. Knowledge of RESTful APIs and asynchronous request handling. Understanding of cross?browser compatibility issues and ways to work around them. Understanding of Frontend Software Architecture and patterns. (Bonus) Knowledge of one or more testing frameworks (Jest, React Testing Library, Cypress). (Bonus) Familiarity with Atlassian products (Jira, Confluence, Bitbucket) (Bonus) Understanding of Accessibility (a11y) standards Soft Skills: Excellent problem?solving abilities and a keen eye for detail. Strong communication and collaboration skills, able to articulate technical concepts clearly. Ability to work effectively in a team environment and independently when needed. Proactive and self?motivated with a strong desire to learn and grow. Adaptability and resilience in a fast?paced and evolving environment. User?centric mindset, always striving to deliver the best possible user experience. ## Description Biorce is a pioneering Healthtech company dedicated to revolutionizing drug development through the power of AI.We are passionate about accelerating medical advancements and improving patient outcomes.Our team comprises seasoned clinical research professionals, data scientists, and AI experts, working collaboratively to bridge the gap between cutting?edge technology and real?world clinical needs.With an unwavering commitment to revolutionize healthcare, we envision a world where all patients benefit from accelerated and cost?effective access to treatments.Biorce is poised to redefine the landscape of healthcare, shaping a future where innovation and accessibility converge for the betterment of humanity.What You'll DoDevelop and implement responsive, high?performance, and scalable user interfaces using modern web technologies.Collaborate with UI/UX designers to translate wireframes and mockups into pixel?perfect, interactive frontend experiences.Ensure the technical feasibility of UI/UX designs and optimize applications for maximum speed and scalability.Write clean, maintainable, and well?documented code.Participate in code reviews, providing constructive feedback and ensuring code quality.Troubleshoot and debug issues, identifying and implementing solutions efficiently.Stay up?to?date with the latest frontend trends, tools, and technologies.What We're Looking ForTechnical Skills:Proficiency in core web technologies:HTML5, CSS3, and JavaScript (ES6+) or TypeScript.Strong experience (4+ years) with React framework/library .Deep understanding of responsive design principlesand experience with CSS preprocessors (Sass/Less) or frameworks (Tailwind CSS, Bootstrap).Familiarity with version control systems:Git.Experience with build tools and bundlers:Webpack, Vite, or Parcel.Knowledge of RESTful APIsand asynchronous request handling.Understanding of cross?browser compatibility issuesand ways to work around them.Understanding of Frontend Software Architectureand patterns.(Bonus)Knowledge of one or more testing frameworks (Jest, React Testing Library, Cypress).(Bonus) Familiarity with Atlassian products (Jira, Confluence, Bitbucket)(Bonus) Understanding ofAccessibility (a11y)standardsSoft Skills:Excellent problem?solving abilitiesand a keen eye for detail.Strong communication and collaboration skills,able to articulate technical concepts clearly.Ability to work effectively in a team environmentand independently when needed.Proactive and self?motivatedwith a strong desire to learn and grow.Adaptability and resiliencein a fast?paced and evolving environment.User?centric mindset,always striving to deliver the best possible user experience.Why Join Us?A dynamic work environment with an international team, where collaboration and diversity thrive.Work alongside top talent, united by a shared purpose and committed to making a real impact.Hybrid work model offering flexibility to balance your professional and personal life.Comprehensive private health coverage to ensure your physical and mental well?being.Company?sponsored top?tier gym membership to support your fitness goals.Pet?friendly, modern office with stunning beach views.Coffee, tea, beverages, and snacks to keep you fueled throughout the day.Company events to celebrate achievements and enjoy time together.Get equipped with a MacBook to enhance your productivity and work experience.By submitting this application, I agree that my personal data will be collected, processed, and retained by the company solely for the purposes of managing and assessing my candidacy.#J-*****-Ljbffr ## Related Videos - [But, you're not Facebook](https://www.wearedevelopers.com/videos/378-but-you-re-not-facebook) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [WeAreDevelopers LIVE – Frontend Inspirations, Web Standards and more](https://www.wearedevelopers.com/videos/1761-wearedevelopers-live-frontend-inspirations-web-standards-and-more) - [Can SVG be fast? 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