Founding Engineer - Fintech Startup 70k + Equity King''s Cross (On-site)About the company: Join a high-growth fintech startup in King''s Cross as their Founding Engineer, working directly with the founders to build a Payments Platform API platform from the ground up. This is an exciting opportunity to take ownership of the tech stack, shape the product, and have a real say in the direction of the company.Required Skills:Strong in C# and Cloud (AWS preferred).Ambitious technologist who is passionate about building market leading Payments API PlatformsSome experience with React or modern frontend frameworks.Exposure to AI tools/technologies (personal or professional).Proactive, ambitious, and thrives in startup environments.