.NET Developer (Mid-Level)

Salary: £61,000 - 101,000 per year

Requirements

• We are looking for a Mid-Level .NET Developer with experience across a broad Microsoft technology stack.
• We require strong commercial experience with .NET Core / Framework and C#.
• We require experience with SQL / T-SQL, including writing and optimising queries, stored procedures, and functions.
• We require experience with JavaScript, HTML, and CSS.
• We require experience with Entity Framework and Git.
• We are particularly interested in candidates with experience across both legacy MVC applications and modern .NET Core environments.
• Experience with ASP.NET MVC and ASP.NET Core is highly desirable.
• Experience with Azure DevOps, MongoDB, jQuery, AJAX, PowerShell, SSRS, IIS, Windows Services, Bootstrap, and Postman is desirable.
• We value candidates who are comfortable working in a collaborative environment and solving technical problems.
• We are looking for someone with hands-on application development and support experience.

Responsibilities

• We develop and maintain applications using C# and .NET technologies.
• We work across ASP.NET MVC and ASP.NET Core applications.
• We build and support APIs and backend services.
• We write and optimise SQL queries, stored procedures, and functions.
• We participate in testing and quality assurance processes.
• We produce technical documentation.
• We collaborate with Business Analysts, senior developers, technical managers, and other stakeholders.
• We assist with troubleshooting and support of live systems.
• We contribute to future product and platform improvements.
• We take part in the full software development lifecycle, including development, maintenance, enhancement, and support of business-critical applications.

Technologies

• AJAX
• API
• ASP.NET
• Azure
• Backend
• Bootstrap
• C#
• CSS
• DevOps
• Git
• Support
• JavaScript
• MongoDB
• MVC
• Postman
• PowerShell
• SQL
• Windows
• jQuery
• Cloud

More

We are an established international software and risk management business based near Crawley, working in a hybrid model with 2 days in the office each week. We offer the opportunity to work on enterprise-scale systems used by clients across multiple international markets, within a collaborative team environment that includes senior developers, technical managers, and business stakeholders. This role offers strong technical exposure, long-term stable career progression, and a broad mix of backend development, API development, database work, application support, and technical improvement work. Our benefits include a salary up to £52k, 25 days holiday plus bank holidays with the option to buy 5 more, pension matching up to 9%, subsidised private medical cover, life insurance at 4x salary, cycle to work scheme, 50% gym membership contribution, season ticket loans, regular social events, enhanced maternity/paternity leave, and the possibility of increased remote working in the future.

last updated 24 week of 2026