Dotnet Developer

Job Title / Corporate Title: C# .NET Developer – AVP

Contract: £375–£425/day (Inside IR35)

Location: London (Hybrid)

You'll be joining a global financial services firm to support and develop business-critical .NET applications used across multiple international offices.

Your mission — build, maintain, and enhance C# and .NET business applications, ensuring they are robust, performant, and aligned with business needs.

This is a hands-on, technically focused role for someone who understands C#.NET, SQL Server, Oracle, and enterprise application development — and can turn business requirements into reliable, high-quality software solutions.

You'll work closely with development teams, DBAs, and business users to design, implement, and support applications across multiple environments including Production, Disaster Recovery, and QA.

What you'll be doing:

• Develop and maintain C#.NET applications supporting business processes.
• Analyse business requirements and design appropriate solutions.
• Program and maintain applications using Visual C#.NET, with both SQL Server and Oracle databases.
• Perform unit testing, QA, and production implementations.
• Support existing applications, troubleshoot system issues, and provide IT support for development environments.
• Liaise with SQL and Oracle DBAs across multiple offices.
• Write T-SQL and PL/SQL scripts for data analysis.
• Manage system distribution for Citrix and application servers (Web & Windows applications).
• Follow development team Change Management Control procedures for all production updates.
• Maintain applications by updating MS .NET Framework and Visual .NET platform versions.
• Provide occasional out-of-hours support as needed (weekdays/weekends).

What you'll need:

• Strong experience with C#.NET, Visual Studio, SQL Server, and Oracle.
• Proven experience in enterprise application development and support.
• Solid knowledge of production, QA, and disaster recovery environments.
• Excellent problem-solving, troubleshooting, and communication skills.
• Experience working with cross-functional teams and following Change Management procedures.

Apply now or email Barry.Ansell@HarringtonStarr.com for a faster review.