Senior .NET Developer Salary : Up to £65k | Location : Southampton (Hybrid) The role: We’re looking for an experienced Senior .NET Developer to join a growing in-house development team within a renowned financial services organisation. This is a great opportunity to work on enterprise-grade applications that are central to daily operations, with a strong focus on maintainability, scalability, and performance. You’ll play a key role in the development and support of a suite of C#.NET applications, contributing across the full SDLC - from design and development through to third-line support and continuous improvement. You’ll also collaborate closely with infrastructure, service delivery and change teams to ensure smooth delivery and system stability. Key responsibilities: Designing and building secure, robust .NET applications using C#, VB.NET, SQL and more Supporting systems and troubleshooting complex technical issues Contributing to architecture and deployment standards, including automation where possible Driving improvements across code quality, documentation, and delivery processes Working in a structured environment with established DevOps tools and IT governance Required experience: At least 5 years of .NET development experience within the financial services industry Strong technical skills and experience in C#, Azure, automation, Web APIs, SQL and software architecture A Computer Science-related degree Experience in using Git, Jira, and Azure DevOps Confident communicator with a proactive mindset and attention to detail You’ll be joining a supportive and technically capable team that values quality and collaboration. The business has multiple office hubs and offers hybrid flexibility depending on your location.