Senior Frontend Engineer - React & React Native Lead

Rullion is seeking a Senior Frontend Developer (React Native) to lead complex frontend initiatives in a fast-paced engineering environment in London. You will own critical frontend systems, mentor engineers, and drive technical strategy while balancing performance and maintainability.

The role offers a 6-month contract with hybrid work (1 office day) based in London, Farringdon. You will work on scalable, production-ready code, improve CWV, and contribute to best practices across the team.