Frontend Developer

As a Pool Frontend Developer, you will help build and evolve Braiins Pool web applications used by miners and operators worldwide. You’ll work in a product team that values clean UI, strong performance, and reliable data visualization. AI tools are expected to be part of your daily workflow, used responsibly and effectively.

• Build and maintain Pool frontend features with React, TypeScript, and Sass, focusing on clarity, performance, and reliability.

• Collaborate with product, design, and backend teams to define requirements and deliver high‑quality UI/UX.

• Maintain and improve component quality through review, refactoring, and shared patterns.

• Write tests and participate in CI/CD processes to keep releases stable.

• Contribute to technical decisions, documentation, and continuous improvement of frontend practices.

• Use AI tools responsibly to accelerate development while maintaining high code quality.

• 2+ years of professional experience in frontend development.

• Experience with React, TypeScript & CSS (Sass).

• Strong ownership, good communication, and ability to deliver independently.

• Previous experience with designing of FE architecture, upholding of code quality standards and testing practices.

• Drive to learn, improve, and mentor or be mentored in a collaborative team.

• Experience with data‑heavy UI and visualization libraries.

• Setup of new FE projects, local development including GitLab pipelines.

• Understanding of performance profiling, accessibility and internationalization.

• Experience with monitoring and error reporting tools (e.g., Sentry).

• Full-time position with flexible working hours.

• Both possibilities to work as an Employee or Freelance.

• Indefinite agreement.

• For employees, 5 weeks of vacation and 3 sick days.

• Company events and occasional Braiins brunches in the office.

• Relaxing room, a shower, and a parking spot.

• Modern offices in the center of Prague, Czech Republic—the heart of Europe.

• Work on long-term projects in an interesting area of the Bitcoin industry.

• You are interested in cryptocurrencies or have active experience with them.

• You are interested in new technologies and development procedures.

• You are from Prague or its surrounding area.

• Previous experience with mobile development.