Senior Software Engineer

Senior Software Developer (Full Stack) – Up to £60,000

North Leeds – On-site 3 days per week | Permanent | Full-time

An exciting opportunity has arisen for a Senior Software Developer to join a growing technology team working on critical operational, ordering and price-management systems. This is a hands-on, full-stack development role where you'll help modernise core applications, shape technical direction, and build new functionality that supports long-term platform evolution.

If you enjoy solving complex technical problems, improving legacy systems, and working closely with business stakeholders to deliver practical, high-impact solutions, this role will suit you perfectly.

What You'll Do

• Develop and maintain full-stack applications using C#, .NET, .NET Core, Blazor and SQL Server.
• Modernise and refactor legacy systems to improve scalability and performance.
• Contribute to technical architecture and help define future platform strategy.
• Build and support integrations with external systems (ordering, PMR, WMS, logistics, partners).
• Ensure system reliability across pricing, order-routing and product-mapping processes.
• Collaborate with operational teams, customer service, commercial teams and wider stakeholders.
• Uphold best-practice in secure development, compliance and data protection.
• Support third-party integrations, APIs and vendor tools.

Tech & Skills We're Looking For

Must Have:

• Strong experience with C#, .NET, .NET Core, ASP.NET, MVC, Web API, Entity Framework
• Proficient with SQL Server (queries, procedures, optimisation)
• Solid full-stack skills including HTML, CSS, JavaScript/jQuery
• Experience with Azure DevOps, Git, Visual Studio
• Strong architecture, design principles and secure coding experience
• Ability to deliver high-quality, maintainable code and solve complex problems

Nice to Have:

• Legacy tech experience (Classic ASP, VB.NET)
• Blazor
• SSIS, ETL or data warehousing exposure
• Azure App Service or IIS deployment experience
• Healthcare, pharmacy, or regulated sector experience
• Experience in small, product-led or evolving tech environments

Key Traits

• Strong communicator – able to work with both technical and non-technical teams
• Highly organised, self-motivated and detail-oriented
• Curious, forward-thinking and keen to improve systems continuously

Additional Details

• Salary: Up to £60,000
• Working Pattern: On-site 3 days per week in Leeds
• Employment Type: Permanent, Full-time