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Are you a .NET developer with a passion for building clean, scalable applications, and want your work to make a real-world impact? I'm hiring for a .NET Software Developer to join a sustainability-focused eCommerce business that's reinventing how we think about books, logistics, and the circular economy.
They process over 500,000 pre-loved books every week, ensuring they're re-used instead of going to landfill-while funding literacy initiatives around the world. You'll play a core role in evolving the systems that make this possible: from eCommerce platforms to warehouse fulfilment software.
The RoleAs a mid-level developer, you'll work across the full development lifecycle-designing, building, testing, and optimising core systems across their .NET-based stack. You'll contribute to backend infrastructure and occasionally dip into frontend tools, working closely with product, analysts, and devs in a collaborative and low-ego environment.
Why Join?-
Salary up to £50,000 (DOE)
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Hybrid working - 1-2 days a week in the Wallingford HQ
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Get hands-on with logistics, automation, and large-scale eCommerce
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Join a mission-led business making sustainability part of everyday commerce
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Modern tech stack: AWS, Docker, SQL/NoSQL, CI/CD pipelines
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C# / .NET (Core and latest versions)
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SQL Server, Postgres, MongoDB, DocumentDB
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AWS: ECS, S3, SQS, RDS, DocumentDB
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Docker for containerisation
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Git/Bitbucket, Agile workflows
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Bonus: exposure to CI/CD, microservices, or Blazor/MAUI
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Have 3+ years of .NET experience and enjoy solving real-world problems with clean, maintainable code
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Enjoy collaborating with product and operations teams-not just staying behind the curtain
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Have strong knowledge of SQL and are confident working with both relational and NoSQL DBs
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Know your way around AWS or want to sharpen your cloud infrastructure skills
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Appreciate a team that values sustainability, autonomy, and impact
