Mid Level .Net Developer
Mid-level .NET developer building and maintaining web applications, APIs and back-end services with C#, .NET 9.0, Blazor, Entity Framework and xUnit for a UK platform for pre-loved (re-commerce) items. UK-based remote role with occasional Leeds office attendance and out-of-hours support.
- Compensation
- Not disclosed
- Location
- Gildersome, Morley
- Work setup
- Not specified
- Seniority
- Middle
- Employment
- Not specified
- Experience
- Not specified
- Category
- Software engineering
- Posted
Must have
- 3–5 years' hands-on experience developing modern applications with C# and .NET
- Working knowledge of .NET 9.0 and Blazor applied to real products or services
- Proven ability to build and maintain robust RESTful APIs
- Strong relational database experience, including Entity Framework, query writing and optimisation
- Familiarity with CI/CD pipelines, particularly GitHub Actions
- Experience writing unit and integration tests with xUnit or similar (NUnit, MSTest)
- Understanding of caching strategies and when to use them
- Clear communication and effective problem-solving skills
- Confidence with day-to-day tools and practices of a modern technology team
Nice to have
- Exposure to Azure cloud services, or strong willingness to learn
- Experience with .NET Aspire
- Adaptability and effective context switching when priorities change
Full description
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About Vintage.com
At Vintage.com, we’re building the most trusted platform for pre-loved items. We help people give valuable things a new life, making the experience simple, transparent and rewarding.
We bring together specialist knowledge, thoughtful technology and genuine care for our customers. By helping more items stay in circulation, we create value for people and make a positive impact at the same time.
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About the Team
Technology is how we scale our impact. Every part of the customer journey — from discovering us online to getting paid — is powered by the systems we design, the products we build and the data we unlock.
Our Technology team brings Engineering, Product, Design and Operations together to build modern, scalable platforms for re-commerce. We collaborate closely while trusting people to take ownership and make good decisions. Priorities can shift quickly, so curiosity, adaptability and clear communication matter as much as technical craft.
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Why This Role MattersWhy the role exists
As Mid-Level .NET Developer, you’ll design, build and maintain web applications and back-end services using C# and the .NET ecosystem, with a focus on modern, scalable solutions.
Your work will support our customer-facing websites, internal applications and third-party integrations. You’ll use .NET 9.0 and Blazor to create dependable experiences that meet both user expectations and business needs.
You’ll work closely with Product, QA and colleagues across the business, taking ownership of modules and features from early requirements through to production. You’ll also contribute to greenfield builds, share knowledge through pair coding and help junior developers grow.
This is a UK-based remote role, reporting to the Lead .NET Developer, with the option to work from our Leeds office. It may involve occasional Leeds office attendance, travel to European and other international locations as we grow, and out-of-hours support when needed.
What success looks like
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Build a strong understanding of our systems, architecture and product portfolio, becoming a trusted and effective contributor.
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Deliver valuable features and bug fixes within reasonable timeframes using .NET 9.0, Blazor and modern engineering practices.
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Write clean, maintainable and well-tested code that moves through review with minimal rework.
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Take ownership of modules and features from requirements and design through deployment, monitoring and production support.