Frontend Developer
hace 23 horas
About Prototype Factory Prototype Factory is Quantum One's innovation engine — a fast-paced team of designers, engineers, and product minds dedicated to turning strategic ideas into tangible, testable solutions. We build MVPs, interactive demos, and proof-of-concept tools to validate and accelerate the future of AI-enabled business products. If you thrive on ambiguity, live for tight feedback loops, and love shipping bold ideas that turn into real-world impact — you'll fit right in. What You'll Do Collaborate with product designer and backend engineer to create beautiful, responsive, and functional UIs Build MVPs and high-fidelity prototypes Translate Figma designs into pixel-perfect, production-ready components Bring complex GenAI concepts to life through interactive web experiences Ensure cross-browser compatibility, accessibility, and performance Contribute to internal UI libraries and design systems for rapid iteration Our Frontend Stack You don't need to have experience with every tool below — but you should be excited to work with most of them: Languages & Frameworks: TypeScript, JavaScript, React, Next.js, Astro Styling & UI: Tailwind CSS, SCSS, MUI, Headless UI, Storybook State Management: Zustand, Jotai, Effector Data & Async: React Query (TanStack) Visualization: Echarts Back-end Integration: REST / GraphQL APIs Tooling: GitHub, GitLab, Vite, Webpack, Figma (Dev Mode) You Might Be a Fit If... You have 2–4 years of experience building production web apps You are proficient in TypeScript and React; familiar with SSR You've experience creating UI libraries You've experience developing interactive charts and data visualizations You've shipped products or MVPs in fast-moving environments You care deeply about design and user experience You're comfortable being the only frontend engineer on some projects — or collaborating in small squads You're proactive, autonomous, and enjoy a "build fast, learn fast" mindset You speak tech as comfortably as you speak with designers and product owners Nice to Have Experience with AI/ML-powered interfaces Exposure to rapid prototyping or startup environments Familiarity with building component libraries or internal tools What We Offer A fast-moving, high-impact role shaping the future of enterprise AI Tight-knit team with strong product, design, and tech leadership Competitive salary Flexible work hours and remote-friendly setup An environment that values experimentation, ownership, and results
-
Senior Frontend Developer
hace 23 horas
Catalonia, España jobtraffic A tiempo completoJoin a fast-growing product-driven technology company that builds intuitive, high-impact digital experiences used by teams around the world. We value thoughtful engineering, elegant design, and people who care deeply about the quality of what they ship. This role is for someone who sees the frontend not just as code, but as a strategic product foundation.We...
-
Frontend Developer
hace 4 días
Catalonia, España Ubique Systems A tiempo completoGreetings from Ubique Systems!!!We are looking for a Senior Frontend Developer for one of our customer who has an expertise in:-In-depth knowledge of React.js: Proficiency with core React concepts, components, state management, props, JSX syntax, and modern JavaScript features (ES6+).Strong experience working with design systems: Proven ability to build and...
-
Frontend Developer
hace 3 días
Catalonia, España Ubique Systems A tiempo completoGreetings from Ubique Systems!!! We are looking for a Senior Frontend Developer for one of our customer who has an expertise in:- In-depth knowledge of React.js: Proficiency with core React concepts, components, state management, props, JSX syntax, and modern JavaScript features (ES6+). Strong experience working with design systems: Proven ability to build...
-
Frontend Developer
hace 24 horas
Catalonia, España Impress A tiempo completoImpress is the one of the biggest chains of orthodontic clinics with fully digital processes in Europe. We have revolutionized the invisible orthodontic sector with the best team of professionals specialized in making people smile and using the latest technology for the diagnosis, treatment, and follow-up of all cases.To do this, we develop both web and...
-
Frontend Developer
hace 24 horas
Catalonia, España Impress A tiempo completoImpress is the one of the biggest chains of orthodontic clinics with fully digital processes in Europe. We have revolutionized the invisible orthodontic sector with the best team of professionals specialized in making people smile and using the latest technology for the diagnosis, treatment, and follow-up of all cases. To do this, we develop both web and...
-
Frontend Developer
hace 24 horas
Catalonia, España iMedhas Consulting Services A tiempo completoIf you're Interested Please share you're updated CV to Role: Front End Developer Location: Barcelona, Spain Client: Virtusa End Customer: Astra Zeneca Role Type: Contract Hybrid: 3 days week from office Job Description: Required Skills In-depth knowledge of React.js: Proficiency with core React concepts, components, state management, props, JSX syntax, and...
-
Frontend/Fullstack Engineer
hace 23 horas
Catalonia, España Talent Insights A tiempo completoBusiness Insights is a specialized software development company. From our early days we are in constant evolution and presently we would like now to add in our staff a Frontend/Fullstack Engineer Our main goal is to offer highly qualified technology solutions in an innovative and creative environment through a diverse team of highly skilled engineers. We are...
-
Frontend/Fullstack Engineer
hace 23 horas
Catalonia, España WhatJobs A tiempo completoBusiness Insights is a specialized software development company. From our early days we are in constant evolution and presently we would like now to add in our staff a Frontend/Fullstack Engineer Our main goal is to offer highly qualified technology solutions in an innovative and creative environment through a diverse team of highly skilled engineers. We are...
-
Frontend Developer
hace 4 días
Catalonia, España Quantum One A tiempo completoAbout Prototype FactoryPrototype Factory is Quantum One's innovation engine — a fast-paced team of designers, engineers, and product minds dedicated to turning strategic ideas into tangible, testable solutions. We build MVPs, interactive demos, and proof-of-concept tools to validate and accelerate the future of AI-enabled business products. If you thrive...
-
Frontend Developer
hace 4 días
Catalonia, España KBC Technologies Group A tiempo completoRequired SkillsIn-depth knowledge of React.js: Proficiency with core React concepts, components, state management, props, JSX syntax, and modern JavaScript features (ES6+).Strong experience working with design systems: Proven ability to build and maintain reusable, scalable component libraries; direct collaboration with UX designers using tools such as Figma...
