Senior Frontend Developer

Traffic Label is a fast-growing data-driven technology company operating in the iGaming and affiliate marketing industry. We build scalable products focused on performance analytics automation and intelligent customer engagement across multiple brands and global markets.

Were looking for a Senior Frontend Developer to join our tech team and help develop maintain and improve our digital products.
This is a hands-on role for an experienced frontend developer with strong expertise in React and who is comfortable working with modern frontend technologies API integrations and microservices.
Youll work closely with the CTO developers and wider tech team taking ownership of frontend development and contributing to reliable scalable and high-quality solutions.
Location: Prague Czech Republic (office-based / hybrid)

• Develop maintain and improve frontend applications using React and .

• Build responsive scalable and maintainable user interfaces.

• Translate designs from Figma into production-ready frontend solutions.

• Integrate frontend applications with APIs and backend services.

• Work with Swagger and Postman for API integration and testing.

• Work effectively within a microservices-based architecture.

• Contribute to frontend architecture technical decisions and code quality.

• Troubleshoot optimise and improve existing frontend functionality.

• Collaborate closely with developers and the wider tech team.

• Manage development tasks and team collaboration using Jira and Slack.

• Senior-level commercial experience in frontend development.

• Strong hands-on experience with React and .

• Experience working with Vercel.

• Strong understanding of modern frontend development principles and best practices.

• Good understanding of microservices architecture.

• Experience with API integrations using Swagger and Postman.

• Experience working with Figma and translating designs into functional interfaces.

• Basic knowledge of SQL.

• Experience with PixiJS is highly desirable.

• Strong problem-solving skills and ability to work independently.

• Good knowledge of Czech is required.

• Excellent English communication skills.

• Salary: per month.

• Office-based / hybrid setup in Prague.

• Opportunity to work closely with the CTO and wider tech team.

• A modern technology stack and hands-on involvement in product development.

• A high level of autonomy and ownership.

• A collaborative international team.

• Opportunities for professional growth in a fast-growing international business.