Gizmo is seeking a Site Reliability Engineer to join their team in a hybrid work arrangement based in London. This senior-level position focuses on managing and scaling systems that serve millions of daily users. The role requires in-person presence at the office, located between Old Street and Liverpool Street, four days per week. The ideal candidate will have extensive experience in system scaling and reliability engineering. This position offers an opportunity to work on large-scale systems while being part of a company that values both in-person collaboration and flexible working arrangements. The role requires candidates to have the right to work in the UK as visa sponsorship is not available.