C# Developer Hybrid Working - London £550 - £600pdemagine is a high-end professional services consultancy and solutions firm Specialising in providing business and technology services to the financial services sector, we power progress, solve challenges and deliver real results through tailored high-end consulting services and solutions.We have created a culture of openness and integrity by building genuine and strong relationships and partnerships, enabling us to be uncompromising in our dedication in delivering the optimal service for our clients. Our commitment is not just towards our clients but we aim to foster a positive and equitable working environment with our consultants and colleagues which stems from our core values: Confident, Dedicated, Responsible, Genuine.The C# Backend Engineer role focuses on designing and building core services for a platform, collaborating with architects and DevOps to create secure and structured Back End systems.Main Responsibilities:Design, build, and maintain Back End services in C#/.NET.Implement secure, well-tested APIs and services according to architectural guidelines.Work with authentication and authorization frameworks to secure application access.Collaborate with full stack developers on clean, documented interfaces between Back End and Front End.Participate in code reviews, testing practices, and maintain technical documentation.Key Requirements:Strong hands-on experience with C#/.NET.Experience with authorization/identity ..... full job details .....