Senior Full Stack Software Engineer – Sunderland

A senior full stack software engineer in Sunderland will design and develop large-scale, multi-tenant cloud services with a focus on reliability, fault-tolerance, and architecture. They will be responsible for building and owning scalable SaaS applications across frontend, backend, and data layers, ensuring code quality and comprehensive documentation. The role requires designing future-ready systems, investigating and resolving performance issues, and embedding rigorous testing practices early in development. They are expected to leverage AI-assisted tools to accelerate development while maintaining code correctness and to mentor team members on best practices. Collaboration with product, design, and other engineering teams to translate requirements and solve complex problems is essential. The ideal candidate has at least five years' experience in full stack development, familiarity with relevant technologies, and a drive to create intuitive, user-focused products.