Frontend Developer
hace 4 días
About 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 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 DoCollaborate with product designer and backend engineer to create beautiful, responsive, and functional UIsBuild MVPs and high-fidelity prototypesTranslate Figma designs into pixel-perfect, production-ready componentsBring complex GenAI concepts to life through interactive web experiencesEnsure cross-browser compatibility, accessibility, and performanceContribute to internal UI libraries and design systems for rapid iterationOur Frontend StackYou 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, AstroStyling & UI: Tailwind CSS, SCSS, MUI, Headless UI, StorybookState Management: Zustand, Jotai, EffectorData & Async: React Query (TanStack)Visualization: EchartsBack-end Integration: REST / GraphQL APIsTooling: GitHub, GitLab, Vite, Webpack, Figma (Dev Mode)You Might Be a Fit If...You have 2–4 years of experience building production web appsYou are proficient in TypeScript and React; familiar with SSRYou've experience creating UI librariesYou've experience developing interactive charts and data visualizationsYou've shipped products or MVPs in fast-moving environmentsYou care deeply about design and user experienceYou're comfortable being the only frontend engineer on some projects — or collaborating in small squadsYou're proactive, autonomous, and enjoy a "build fast, learn fast" mindsetYou speak tech as comfortably as you speak with designers and product ownersNice to HaveExperience with AI/ML-powered interfacesExposure to rapid prototyping or startup environmentsFamiliarity with building component libraries or internal toolsWhat We OfferA fast-moving, high-impact role shaping the future of enterprise AITight-knit team with strong product, design, and tech leadershipCompetitive salaryFlexible work hours and remote-friendly setupAn environment that values experimentation, ownership, and results
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Senior Frontend Developer
hace 21 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...
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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...
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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...
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Frontend Developer
hace 22 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...
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Frontend Developer
hace 22 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...
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Frontend Developer
hace 22 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...
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Frontend/Fullstack Engineer
hace 22 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...
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Frontend/Fullstack Engineer
hace 21 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...
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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...
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Frontend Developer
hace 3 días
Catalonia, España Quantum One A tiempo completoAbout 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...
