Senior Software Engineer in Leeds

💼 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