> Markdown version of [/jobs/ext/1621230-frontend-developer](https://www.wearedevelopers.com/jobs/ext/1621230-frontend-developer). 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). --- # Frontend developer - **Company:** Planner 5D - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** Clean Code Principles, HTML, JavaScript (Programming Language), PHP (Programming Language), 3D Printing, 3D Computer Graphics Software, Microsoft Windows, Android Software Development, Apple IOS, Apple Mac Systems, Unit Testing, Cascading Style Sheets (CSS), Code Reuse, Computer Programming, Web Development, Memory Management, ECMAScript, Web Browsers, JSON, JQuery, MongoDB, MySQL, Object-Oriented Software Development, OpenGL, RabbitMQ, Redis, Software Engineering, Symfony, TypeScript, WebSocket, WebGL, Extensible Markup Language (XML), Three.js, PIC Microcontroller, Phpunit, Backend, Git, Vue.js, Computer Equipment, Webpack, AngularJS, Front End Software Development, Restful APIs, Docker - **Published:** July 16, 2026 - **Apply:** https://es.trabajo.org/oferta-2258-0a87c5f9332c2fd0353e5422d0dd5603 ## About the Role 7.4(8.1), Symfony, PHPUnit, MySQL, Redis, MongoDB, RabbitMQ, Git, Docker. Front-end: Native JavaScript, jQuery (legacy code), TypeScript, Three.js (OpenGL), SVG, Canvas, WebGL, Webpack, WebSocket, Jest (unit tests), Docker. Required knowledge and deep understanding of - 5+ years of experience of Web development - JavaScript - TypeScript - Popular frameworks and libraries (AngularJS, Vue, jQuery) - Experience with 2D (SVG, Canvas) - Experience with 3D graphics (Three.js, WebGL) - ECMAScript 6+ - CSS - Compatibility between web browsers - Supporting technologies - REST, JSON, XML, HTML, Git - How to write clean and maintainable code - Best practices in security, performance, memory management, maintainability - Good understanding of web protocols (HTTP, Web Sockets) - English B1+, understanding of Russian Nice to have - Understanding of mathematics, geometry Character requirements - Passionate about software development and striving for the newest technologies - Great communication and analytical skills - Wish to learn, use and understand new technologies - Has hobbies related to technologies (programming, micro-controllers, 3D printing, physics, mathematics) - Should be able to understand tasks, and express himself to others (essentially to properly communicate in our team) What we offer - Great work environment that balances freedom and responsibility - Our team is made up of friendly and passionate enthusiasts who are eager to help and share their knowledge - Work-life balance, so you'll receive around 30+ days of paid holidays per year - Company computer equipment by request - Education courses for our team members, and we're willing to allocate funds toward your training expenses - English classes on our corporate platform - Offline company events in Lithuania and online team-building - Unlimited free Planner5D subscriptions ## Description About us Planner 5D is a global hub for home design, uniting over 90+ million users in 230 territories around our planet. Our platform simplifies the home renovation process from concept to execution, and this process has never been more straightforward with our cutting-edge software. We are dedicated to streamlining the design experience, making the customization of dream homes accessible to everyone. Our cross-platform presence spans Web, iOS, Android, Windows, and macOS, ensuring seamless synchronization for our users. Planner 5D is more than just software; it is a vibrant community of enthusiastic, product-oriented professionals. We're looking for a Frontend developer We're looking for Frontend developer who shares our passion for writing clean and reusable code using JavaScript and TypeScript. Note that we use object-oriented programming (OOP) approach mainly, as well as we work according to strict coding standards and other technical requirements. 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