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. 

❗️Please note that this role is office based for Sofia, Bulgaria (51, Blv. „Cherni Vrah“, Office „X“).

❗️If you need to be relocated, we take care of the process.

As a Front-End Developer (ReactJS) you will take the lead in the frontend development of one of our key platforms, working from the ground up.

If you're passionate about building robust, user-friendly applications and thrive in a dynamic, startup-like environment, we'd love to hear from you!

✅ Responsibilities:

✔️Design and develop a web platform that meets web-performance requirements;

✔️Close collaboration with Backend and DevOps teams;

✔️Develop and maintain the technical excellence of the team using the best approaches and engineering practices;

✔️Optimizing components of performance/quality perspective.

✅Requirements:

✔️At least 5 years of commercial experience with React.js;

✔️Excellent Javascript knowledge;

✔️Proficiency with Typescript;

✔️Familiarity with testing frameworks and test runner frameworks;

✔️Practical experience in setting up styling standards, guidelines and best practices;

✔️Experience consuming REST APIs, GraphQL  APIs;

✔️Clear understanding of SOLID/GRASP, client-side architecture, and design patterns;

✔️Awareness of cross-browser compatibility issues and client-side performance considerations;

✔️At least Upper Intermediate level of English.

✅ We offer excellent benefits, including but not limited to:

✔️ Official employment and full medical insurance (including in-patient and out-patient care, maternity, dental, and annual health check-ups);

✔️ Competitive salary and attractive bonus scheme;

✔️ Working in a dynamic International company;

✔️ Birthday celebration present;

✔️ Ability for career and professional growth within the company;

✔️ Sportscard (Multisport) - partly covered & team-building events and activities;

✔️ Sunny, spacious office;

✔️ Wedding and newborn gifts;

✔️ Breakfast, food vouchers, fruits, and snacks available in the office.

Join Sofia Stars and rock with us! 🚀

Ready to shine? Let’s make it real.