£600 Per day
Inside
Onsite
Leeds
Summary: An experienced SQL Developer (C#) is needed for a contract role focused on enhancing a critical backend system for warehousing and ecommerce operations. The position requires strong SQL and C# skills, with an emphasis on reliability and data accuracy. The role involves developing SQL Server solutions, supporting backend services, and maintaining integrations. The contract is inside IR35, with a rate of £600 per day and three days onsite work per week.
Key Responsibilities:
- Developing and optimising SQL Server solutions (T-SQL, stored procedures, functions, indexing, performance tuning)
- Building and supporting C#/.NET backend services and internal tools
- Delivering and maintaining integrations (REST and SOAP APIs)
- Creating and supporting ETL / data synchronisation processes across systems
- Supporting high-volume transactional data (orders, stock movements, inventory updates)
- Troubleshooting production issues and improving stability and data quality
Key Skills:
- Strong commercial SQL Server and T-SQL development
- Strong C#/.NET backend experience
- Proven experience with API integrations (REST/SOAP)
- Experience delivering data sync/ETL solutions (SSIS and/or Azure Data Factory beneficial)
- Comfortable working in a live operational environment (support, troubleshooting, performance)
- Warehousing / inventory / order management system exposure (desirable)
- Ecommerce platform integration exposure (desirable)
- Azure DevOps / CI/CD experience (desirable)
Salary (Rate): £600 daily
City: Leeds
Country: undetermined
Working Arrangements: on-site
IR35 Status: inside IR35
Seniority Level: undetermined
Industry: IT
SQL Developer (C#) (Contract) – Inside IR35 – £600/day – 3 days onsite
An experienced SQL Developer (C#) is required to support and enhance a business-critical backend estate across warehousing and ecommerce order/inventory flows. This is a delivery-focused contract where reliability, data accuracy, and integration stability are key.
Contract details
- £600 per day (Inside IR35)
- 3 days per week onsite
- Contract assignment (start ASAP subject to onboarding)
- Developing and optimising SQL Server solutions (T-SQL, stored procedures, functions, indexing, performance tuning)
- Building and supporting C#/.NET backend services and internal tools
- Delivering and maintaining integrations (REST and SOAP APIs)
- Creating and supporting ETL / data synchronisation processes across systems
- Supporting high-volume transactional data (orders, stock movements, inventory updates)
- Troubleshooting production issues and improving stability and data quality
- Strong commercial SQL Server and T-SQL development
- Strong C#/.NET backend experience
- Proven experience with API integrations (REST/SOAP)
- Experience delivering data sync/ETL solutions (SSIS and/or Azure Data Factory beneficial)
- Comfortable working in a live operational environment (support, troubleshooting, performance)
- Warehousing / inventory / order management system exposure
- Ecommerce platform integration exposure
- Azure DevOps / CI/CD experience