Senior HTML/Markup Developer

BrainRocket is a global company creating end-to-end tech products for clients across Fintech, iGaming, and Marketing. Young, ambitious, and unstoppable, we've already taken Cyprus, Malta, Portugal, Poland, and Serbia by storm. Our BRO team consists of 1,300 bright minds creating innovative ideas and products. We don’t follow formats. We shape them. We build what works, launch it fast, and make sure it hits.

We are looking for an experienced Senior HTML/Markup Developer to join our development team in Warsaw and help build and style high-quality iGaming websites. You will play a key role in crafting visually engaging and responsive interfaces by focusing on markup and CSS styling, turning Figma designs into fully functional, high-performance web experiences.

Your Mission

Contribute to the creation and customization of new iGaming brand websites. You will be responsible for translating design specifications into pixel‑perfect, responsive layouts while ensuring consistency, performance, and maintainability across multiple platforms. Collaboration with designers, developers, QA, and product teams will be central to your role.

Responsibilities

• Set up and customize new brand websites based on design specifications
• Implement and style interfaces following Figma layouts and branding guidelines
• Work closely with designers to fine‑tune and resolve design nuances
• Customize and style key website components, including login and registration pages, dashboards, game halls, sports pages, and navigation elements
• Update and manage core framework versions across brands
• Ensure code quality through code reviews and release management
• Support live brands, handling styling updates, fixes, and feature rollouts
• Collaborate with cross‑functional teams to deliver seamless user experiences
• Introduce creative ideas and contribute to continuous improvements in design implementation and performance

Requirements

• 5+ years of professional experience as an HTML/Markup Developer
• Excellent knowledge of HTML (Pug) and CSS (SCSS)
• Strong understanding of UI/UX design principles, responsive design, and cross‑browser compatibility
• Proven experience building adaptive layouts and maintaining pixel‑perfect visual quality across devices
• Solid knowledge of CSS/JS animations, transitions, and motion best practices
• Experience working with Figma / Sketch / Photoshop for translating design systems into production‑ready interfaces
• Familiarity with CSS preprocessors (Sass/Less) and version control tools such as Git
• Understanding of web performance optimization and accessibility standardsStrong collaboration skills with designers, QAs, and developers in multi‑brand or large‑scale environments
• Attention to detail, with an eye for visual precision and consistency
• Intermediate or higher level of English

Nice to Have

• Experience with frontend build tools (Gulp, Webpack, etc.)
• Knowledge of template engines (Pug, Handlebars, etc.)
• Experience working with CSS frameworks (Bootstrap, Tailwind, etc.)
• Understanding of HTML email templates
• Familiarity with Canvas API, WebGL, ThreeJS, or GSAP for advanced visual effects
• Basic knowledge of Angular (for integration purposes only)

Benefits

• Career growth opportunities in an international and dynamic environment
• Opportunity to develop language skills with partial compensation for language courses
• Special gifts for birthdays, weddings, and newborns
• 20 working days of paid annual vacation, plus paid sick leaves
• Office snacks and refreshments
• Sports package to support a healthy lifestyle
• Comprehensive medical insurance for you and your partner
• Comfortable office with great facilities in a prime location
• Exciting corporate events, team‑building activities, and international company parties