> Markdown version of [/jobs/ext/4159721-c-net-developer](https://www.wearedevelopers.com/jobs/ext/4159721-c-net-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # C#.Net Developer - **Company:** Promatica Digital - **Location:** UK (Remote available) - **Salary:** £50,000.0 - £60,000.0 - **Contract:** Temporary to permanent - **Skills:** Clean Code Principles, Query Performance, .NET Framework, Microsoft Azure, C Sharp (Programming Language), Continuous Integration, Extract Transform Load (ETL), Data Transformation, Data Mining, Medical Software, Microsoft SQL Server, SQL Azure, SQL Stored Procedures, Systems Integration, SystmOne, Transact-SQL, Web Services, Data Processing, Fast Healthcare Interoperability Resources, SOAPAPI, Git, Health Level Seven International, Software Version Control, Key Vault - **Published:** October 2, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=fb06e1a5d836d0ff ## About the Role * Strong commercial experience with C# and .NET (.NET 8 / modern .NET). * Solid SQL Server skills: T-SQL, stored procedures, query performance and data modelling. * Experience building integrations with third-party systems (REST/SOAP APIs, web services) and transforming data between systems. * Good understanding of secure handling of sensitive data. * Able to work independently, own delivery and hit deadlines within a fixed-term engagement. Desirable * Experience with GP clinical systems (Medicus, Vision, EMIS, TPP SystmOne) and NHS integration standards (IM1, GP Connect, HL7 / FHIR). * Microsoft Azure (Functions, App Service, Key Vault, Azure SQL). * Experience in a healthcare / NHS data environment and awareness of UK GDPR / NHS information governance (e.g. DSPT). * Version control (Git) and CI/CD. ## Description Promatica Digital is a healthcare software company whose platform integrates with GP clinical systems to bring primary-care data into our service. We're expanding the range of systems we connect to and need an experienced .NET / C# developer with strong SQL Server skills to help us build and deliver new integrations with the Medicus and Vision GP systems, alongside our existing integrations. This is a hands-on, delivery-focused role on a defined piece of work, with potential to extend beyond the initial 6 months. You'll design, build, test and ship the integration and data-processing components that move and transform GP data reliably and securely. What you'll do * Build and maintain integrations between our platform and GP clinical systems, extending our current capability to Medicus and Vision. * Develop and optimise data extract, transform and load (ETL) processes in C#/.NET and SQL Server hosted in Azure. * Consume and map data from external APIs/web services/files, handling different formats and data models. * Write clean, well-tested, maintainable code and clear technical documentation. * Work closely with our existing developers and stakeholders to understand data requirements and reporting needs. * Ensure sensitive/patient data is handled securely and in line with information-governance requirements.