Senior Developer, Back End, API, .Net SQL, NW London to £80K (office based role)A Senior Back End Developer is required to join this established financial software house based in North London. They work with some of the leading brands in retail and media, offering financial management systems developed in house by their small dynamic team of tech professionals. Due to growth a Senior Developer is required with expertise in .NET, C# / VB, SQL Server, and SAP Business One integration. The ideal candidate should have strong skills in RESTful API development, database optimization, and Azure DevOps pipeline management. Knowledge of API security, CI/CD automation, and Swagger documentation is recommended.Responsibilities API Development: Build and maintain RESTful APIs in VB.NET and C#, integrating with SQL Server and SAP Business One backend tablesDatabase Management: Write optimized SQL queries, stored procedures, and indexing strategies to efficiently handle large datasetsPerformance Optimization: Monitor and enhance API performance, database query execution, and application scalabilityDocumentation: Maintain clear and detailed documentation for APIs, database structures and all the back-end infrastructureCollaboration: Work closely with SAP consultants, frontend developers, and DevOps engineers to ensure seamless system integrationCode Quality: Conduct code reviews, debugging, and error handling to maintain system reliabilityBest Practices: Stay up to date with API design ..... full job details .....