Senior HTML/CSS Developer

Sofiastars

Sofia City, Bulgaria (Sofia, Bulgaria) permanent

Posted: January 28, 2026

Required Skills

Job Description

Sofia Stars is an operational services company based in Sofia. We offer a range of solutions for online businesses, including R&D, Marketing, Customer Support, KYC, Risk, and Anti-Fraud services. With 300+ bright stars on our team, we deliver secure, reliable solutions with a touch of quality that shines. When you join us, you’ll be part of a place where ideas light up, and growth isn’t just a promise—it’s a journey.

✅ Requirements :

✔️ 4+ years of professional experience as an HTML-coder

✔️ Excellent knowledge of HTML, CSS

✔️ Good understanding of UI/UX design and cross-browser layout

✔️ Strong knowledge in CSS/JS animation

✔️ Experience working with CSS Pre-Processors: Sass/Less

✔️ Understanding of web application performance optimization

✔️ Experience with Figma / Sketch / Photoshop

✔️ Fluent English is required

✅ Nice to Have:

✔️ Understanding of front-end build tools (Gulp, Webpack, etc)

✔️ Knowledge of HTML email templates

✔️ Experience working with CSS frameworks

✔️ Experience working with template engines (pug, Handlebars, etc)

✔️ Experience with Canvas API / WebGL / ThreeJS / GSAP

✅Duties and opportunities:

✔️ Develop the efficient, fast and adaptive layout of interfaces

✔️ Collaborate with developers and web designers to improve product

✔️ Introduce ideas, solutions and optimise existing applications

✅Why Sofia Stars?

🏖️ 20 vacation days with 1 additional for every year in the company (until reaching 25)

🤒 6 Sick Leave days per year (No Doctor's note required)

💷 Monthly food vouchers (100 EUR);

🏥 Private Medical Insurance

🏋🏼‍♂️ Multisport Card

🎁 Birthday, Wedding and Newborn gifts

🍔 Breakfast, Friday lunches, fruits, and snacks in the office

🎭 Monthly company activities and team-building events

🚀 Career growth opportunities

❗️IMPORTANT: This position is office based, our offices are located on 51, Blv. "Cherni Vrah", Office "X".

Join Sofia Stars and rock with us! 🚀

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