Lead Software Engineer

Lead Engineer / Architect – Contract (6 Months) React | .NET | System Architecture | UK Payroll | API & ETL Pipelines Remote (UK-focused) | Start: ASAP We're hiring a Lead Engineer / Architect to shape the future of UK payroll reporting as part of a major transformation initiative. This is a high-impact role supporting a flagship payroll platform used by thousands of businesses. Key Objectives Platform Uplift – Enhance the Payroll Reporting API, data ingestion layer, and ETL pipeline to meet top-tier engineering and reliability standards. UK Delivery – Launch features specifically tailored for UK payroll compliance and user experience. Strategic Vision – Help define the long-term architecture of payroll reporting, aligning with broader global data and AI goals. ️ Tech Stack : React, .NET, AWS You’ll bring : Proven expertise in React and .NET in production environments Strong experience with system design, observability, and performance optimisation Great communication and stakeholder engagement skills Background in financial, payroll, or reporting systems is a bonus Contract Details Day rate : TBC Length : 6 months initially, with strong potential to extend Remote-first , but must be UK based If you're an experienced engineer ready to lead on architecture, delivery, and long-term impact, let’s talk.