Two Circles is a leading global sports agency with nearly 1000 employees across 14 offices, working with prestigious clients like NFL, Premier League, Formula 1, and Wimbledon. As a Senior Frontend Engineer, you'll play a crucial role in shaping their technology proposition, focusing on data-driven solutions that help sports organizations better understand and connect with their audiences. The position requires 7+ years of experience, strong expertise in TypeScript and React, and a passion for sports technology. You'll lead technical design, mentor other engineers, and work on high-impact projects that influence top-level decision-making. The role offers a hybrid working model, competitive benefits including healthcare and sports tickets, and the opportunity to work with some of the world's biggest sports brands. The company values technical excellence, continuous improvement, and maintains a collaborative, inclusive culture. This is an excellent opportunity for a senior engineer looking to make a significant impact in the sports technology sector while working with cutting-edge technologies and leading global sports properties.