Head of Payroll £400 - £500 per day - Outside IR35 Remote / Hybrid (London) We re partnering with an exciting, venture-backed technology startup building an AI-powered payroll solution for frontline industries. Designed to support complex, high-volume shift work, their platform is reshaping payroll delivery across sectors like hospitality, care, and recruitment. They re now seeking a Head of Payroll to lead operations and play a critical role in onboarding early-stage clients, refining the payroll engine, and shaping the customer journey. This is an opportunity for an experienced payroll leader to join a product-led business and make a tangible impact from day one. Engagement Type: Contract (with future potential to go permanent and earn equity) Responsibilities include: Managing payroll operations for new clients and internal testing environments Ensuring compliance with HMRC, RTI, pensions, and all statutory deductions Supporting new customer onboarding, parallel runs, and pay configuration Providing real-world feedback to the product and engineering team to shape features and resolve edge cases Acting as a subject matter expert during implementation and post-sale support Representing the business at industry events, webinars, and online forums to engage the payroll community Skills and experience required: Deep experience managing UK payroll either in-house or within a bureau environment Familiarity with shift-based, variable pay environments such as retail, hospitalit