.NET Developer (Mid Level)
Avanti•London, UK
Full-time3-7
£45k - £50k
per year
👁️ 0 views•📝 0 applications•Posted 8/25/2026•Expires 9/24/2026
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Job Description
Avanti Recruitment is currently working with an established international software and risk management business that is looking for a Mid-Level .NET Developer to join the team.
This is an excellent opportunity for a developer who enjoys working across a broad Microsoft technology stack and wants exposure to enterprise-scale systems used by clients across multiple international markets.
You will be involved in the full software development lifecycle, contributing to the development, maintenance, enhancement, and support of business-critical applications.
The Role
You will work closely with senior developers, technical managers, and business stakeholders to deliver robust software solutions across a range of internal and client-facing platforms.
The role offers a strong mix of:
• Backend development
• API development
• Database work
• Application support
• Technical improvements
• Collaboration across the wider business
This is a hands-on development role suited to someone who enjoys solving technical problems and working within a collaborative team environment.
Key Responsibilities
• Develop and maintain applications using C# and .NET technologies
• Work across ASP.NET MVC and ASP.NET Core applications
• Build and support APIs and backend services
• Write and optimise SQL queries, stored procedures, and functions
• Participate in testing and quality assurance processes
• Produce technical documentation
• Collaborate with Business Analysts and technical stakeholders
• Assist with troubleshooting and support of live systems
• Contribute to future product and platform improvements
Technical Skills Required
Essential
• C#
• .NET
• ASP.NET MVC / ASP.NET Core
• SQL Server
• T-SQL
• JavaScript
• HTML & CSS
• Entity Framework
• Git
• Azure DevOps
Desirable
• MongoDB
• JQuery
• AJAX
• PowerShell
• SSRS
• IIS
• Windows Services
• Bootstrap
• Postman
About You
You will ideally have:
• Commercial experience within a .NET development role
• Strong backend development capability
• Experience working with SQL databases
• Good understanding of object-oriented programming
• Strong problem-solving skills
• Excellent communication and collaboration skills
• A proactive and detail-oriented approach
Candidates with experience across both legacy MVC applications and modern .NET Core environments will be particularly well suited.
What’s On Offer
• Salary up to £50,000
• Pensions, Private medical (subsidised), half of your gym membership gets covered
• Opportunity to work on enterprise-scale software platforms
• Broad technical exposure across modern and legacy technologies
• Collaborative and supportive development team
• Long-term career development opportunities
• Stable and growing international business
• Hybrid working environment
• Exposure to meaningful business-critical systems
If you are a .NET Developer looking for a role with strong technical exposure, long-term progression, and the opportunity to work within a collaborative international environment then click Apply Now!.
Required Skills
C#.NETASP.NET MVCASP.NET CoreSQL ServerT-SQLJavaScriptHTMLCSSEntity FrameworkGitAzure DevOpsMongoDBJQueryAJAXPowerShellSSRSIISWindows ServicesBootstrapPostman
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