A leading foreign exchange provider in the UK is looking for a Principal Software Engineer to shape their technology platforms. This senior role involves overseeing full-stack delivery, influencing architectural decisions, and ensuring quality standards across teams. The ideal candidate will have expertise in C#, .NET, and experience with DevOps practices. The position offers a hybrid or remote work arrangement and includes competitive perks such as 28 days of holiday, virtual GP services, and high street discounts.