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Posted Apr 17, 2026

Senior Front-end Developer - Ukraine or Europe

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Our client is a leading provider of turnkey technology solutions for the next generation of Prediction Markets. We enable operators to launch and scale platforms quickly with deep liquidity and cutting-edge trading technology. Our dual-track solution includes a fully CFTC-regulated infrastructure for the United States and a global DeFi trading platform with self-custodial architecture and secure on-chain execution. The PlaeeOS platform integrates back-office, CRM, and BI systems into a centralized command center, empowering operators to leverage real-time data for personalized user engagement and enhanced loyalty strategies. Role DescriptionThis is a full-time, role for a Senior Frontend Developer. The Senior Frontend Developer will design, build, and optimize user-facing applications, ensuring seamless and responsive user experiences. Responsibilities include collaborating with cross-functional teams, implementing UI/UX designs, troubleshooting performance issues, and maintaining high-quality coding standards for scalable and efficient development. This role involves leveraging innovative technologies to contribute to the continuous improvement of the client's platform. Qualifications - 5+ years of frontend development experience - Proficiency in Front-End Development and Responsive Web Design - Strong experience with JavaScript / TypeScript and React - Experience with Storybook and component-driven development - Understanding of Back-End Web Development, including integration with front-end systems - Demonstrated ability to build user-centered applications with attention to performance and usability - Experience with version control systems like Git - Familiarity with agile development methodologies and collaboration tools - Bachelor’s degree in Computer Science or a related field, or equivalent practical experience - Great English communication skills - Problem-solving skills and the ability to work in a dynamic, fast-paced environment Nice to have - Experience with Next.js – advantage - Experience with Strapi CMS – advantage - Experience developing reusable components or embeddable widgets - advantage
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