Middle Senior HTML CSS Developer Webflow

We are seeking a Middle/Senior HTML/CSS Developer (Webflow) who is focused on continuous growth and teamwork and would like to thrive in a supportive and collaborative environment. Our Design team is smart, creative, and full of talented people who are insatiably curious and highly ambitious. To get a better idea of what we do, check out some of our latest portfolio works: https://www.chaingpt.org/ https://shieldeum.net/ https://sigmasoftware.design/ https://www.kima.network/ https://www.cryptoguard.ai/ If you are interested in implementing creative and cutting-edge designs to life and value teamwork, then this is the role for you. Responsibilities Write semantically clear HTML5, CCS3, JS ES 6, and jQuery code for the Front-end part of the website Carry out cross-browser and cross-platform compatibility support of the created templates throughout the latest version of modern browsers or any devices required by project guidelines Develop and launch responsive, visually appealing websites using Webflow and potentially other CMS platforms, such as WordPress Apply expertise in web motion, interactivity, and animation to develop engaging and interactive web elements Comply with the best development practices, technical standards, and quality criteria set on the project Participate in estimation and planning sessions Collaborate closely with the Design team Help Project Managers in validating designs and requirements to determine the best way to implement them Identify possible technical limitations, risks, and bottlenecks, and communicate them to the team in a timely manner Perform project setup and file configuration (e.g., gulpfile.js) to meet the project requirements Test and debug your own code Implement best practices and maintain websites Innovate and share web production methodologies to advance the team’s expertise Requirements At least 5 years of experience in a similar role Knowledge of HTML5, CSS3, JS ES6 semantic, and adaptive cross-browser markup Experience with version control systems (Git) Ability to set up projects and manage dependencies Solid experience in working with and maintaining CMS platforms: Webflow, WordPress, etc. Proven commercial experience with advanced Webflow features, including CMS, localizations, and integrations Ability to select and integrate third-party scripts, APIs, and other tools to extend website functionality (GSAP, Lenis, etc.) Proficiency in working with any IDE software such as WebStorm, PhpStorm, and VSCode Strong knowledge of SCSS (SASS)/LESS preprocessors as well as CSS3 variables Solid experience working with interactive web animations and dynamic visual effects Experience with WebGL, Three.js, or React Three Fiber Design dev files handoff Experience working with Figma’s assets in developer mode, ability to navigate complex UI Kits and design systems Strong ability to estimate project scope and validate designs for optimal implementation Initiative in finding the most optimal performance solutions Knowledge of website page speed optimization best practices and techniques Deep understanding of SEO best practices and compliance, Web Accessibility Guidelines An Upper-Intermediate level of spoken and written English Would be a plus Experience with Shopify, Magento, or Framer Experience with ReactJS, AngularJS, and Vue.js Experience of working with web applications Knowledge of UI frameworks (Bootstrap, Next.js, Tailwind, Material Design)

Location: Warszawa, PL

Posted Date: 4/19/2025