Staff Software Engineer – Experimentation team

The Staff Software Engineer will play a pivotal role in evolving Marks & Spencer's Experimentation platform, empowering product, engineering, and content teams to run experiments more easily and confidently. This position focuses on platform thinking and enablement at scale to revolutionize how experimentation capabilities are modeled and delivered across the organization. The role involves designing backend-heavy platform capabilities, setting technical direction, and mentoring engineers to foster strong technical judgment and engineering craft.