Insula Labs is a Ukrainian IT company. We build skilled, talented teams that are committed to the long-term game. The main business model is outstaffing, which allows clients to quickly scale their teams thanks to access to our highly qualified specialists. 90% of our people are based in Ukraine. Work is organized in a remote format for everyone.
2 лютого 2026

Senior Frontend UI Developer (вакансія неактивна)

віддалено $2500–2700

We’re looking for an experienced UI Developer to join our development team! You’ll work alongside a highly skilled group on an exciting Gambling project.

Requirements:

✔️ 4+ years of professional experience as an HTML/Markup developer
✔️ Excellent knowledge of HTML5, CSS3
✔️ Strong understanding of UI/UX principles and cross-browser compatibility
✔️ Deep knowledge of CSS layout systems: Flexbox, Grid and related properties
✔️ Strong skills in CSS / JS animations
✔️ Experience with CSS Pre-Processors: Sass / Less
✔️ Understanding of page loading and rendering pipeline (rendering, repaint, reflow, composite layers, etc.)
✔️ Knowledge of modern responsive images techniques, including nuances of retina displays
✔️ Understanding of CSS specificity and ability to manage complex styles
✔️ Experience working with BEM methodology
✔️ Understanding of web performance optimization
✔️ Knowledge of Core Web Vitals, PageSpeed metrics and hands-on experience improving them
✔️ Experience with Figma / Sketch / Photoshop
✔️ English level: Intermediate or higher

Nice to Have:

✔️ Understanding of front-end build tools (Gulp, Webpack, etc.)
✔️ Knowledge of HTML email templates
✔️ Experience working with CSS frameworks
✔️ Experience with template engines (Pug, Handlebars, etc.)
✔️ Experience with Canvas API / WebGL / ThreeJS / GSAP
✔️ Knowledge of Vanilla JavaScript
✔️ Experience with markup integration for Angular or other JS frameworks

🔧 Duties & Opportunities:

✔️ Develop efficient, fast and adaptive UI layouts
✔️ Collaborate closely with developers and designers to improve product quality
✔️ Introduce ideas, propose solutions and optimize existing applications

🎁 We Offer:

✔️ Full-Remote work
🏝 18 vacation days per year
🎁 Birthday celebration present
🧑🏻‍💻 Learning & development opportunities
🚀 Interesting and challenging tasks

🔍 Hiring Stages:

  1. Recruiter interview
  2. Technical interview

🏢 About the Customer:

A company specializing in software development and digital solutions has created 40+ innovative products across 20 industries. With a team of 670+ professionals, they deliver scalable, client-oriented solutions and foster a positive environment focused on personal and professional growth.