2 senior fullstack engineer jobs found

We are looking for a Lead Full-Stack Engineer to take technical ownership across backend and frontend development, shaping high-quality, scalable solutions and setting engineering standards for the team. This role combines hands-on delivery with technical leadership, mentoring, and close collaboration with product and platform teams. You will work across modern backend services built in Kotlin, rich frontend applications using React and Next.js with TypeScript, and cloud-native infrastructure on Azure or AWS. This is an initial 6 month contract (outside iR35) that requires you onsite in London Paddington 3 days a week. Key Responsibilities Lead the design and development of full-stack solutions, balancing backend robustness with high-quality user experiences Build and maintain backend services using Kotlin , following clean architecture and best practices Develop modern, performant frontends using React, Next.js, and TypeScript Take ownership of API design,...

CONTRACT - Senior / Staff / Principal Software Engineers | UK Challenger Bank | Liverpool St | 2-days on site | Outside IR35 We're working with an established UK Challenger Bank entering a significant scale-up phase and looking for exceptional talent to level-up the engineering org. We're not looking for people with X years in Y language, we want to speak to systems thinkers who care about scalable architecture, continuous deployment, clean code, business value and user experience - regardless of whether your background is Java, Go, Python, Kotlin, .NET, TypeScript, Data or anything else. Product-Minded: You don't just build to spec; you care about why you’re building it and the value it adds to the customer. Engineering Maturity: You understand TDD, CI/CD, and how to build resilient distributed systems. Collaboration: You enjoy mentoring, peer-reviewing, and raising the bar for an entire engineering organisation. Tech-Agnostic: You’re comfortable...