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C# Full Stack Developer - Hybrid Role - Cambridgeshire - Up to £65,000

Mploy Group is supporting a growing digital business based in Cambridgeshire that continues to invest in it's clients e-commerce platforms offering world class solutions and products. We’re looking for a Full Stack Developer with strong experience across C#/.NET on the backend and React on the frontend, to help develop and scale a customer-facing websites that sell products online.

This is an opportunity to work on a live, revenue-generating platforms where performance, usability, and reliability directly impact the business.

The Role

You’ll contribute across the full development lifecycle, working on both backend services and frontend user experiences.

Key responsibilities include:

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Developing and maintaining backend services and APIs using C# / .NET

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Building responsive, user-focused interfaces using React

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Enhancing core e-commerce functionality (product catalogues, checkout, payments, integrations)

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Collaborating closely with product, commercial, and engineering teams

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Improving performance, security, and scalability

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Supporting existing systems while shaping future platform development

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Participating in code reviews and technical discussions

About You

You’ll be a well-rounded developer with experience working on transactional, customer-facing platforms.

Essential experience:

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Commercial experience with C# / .NET

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Strong frontend experience using React

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Solid understanding of JavaScript / TypeScript

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Experience building and consuming APIs

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Good database and application performance knowledge

Desirable experience:

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Experience in e-commerce environments

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Exposure to payment gateways and third-party integrations

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Cloud experience (Azure or AWS)

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Familiarity with modern development practices (CI/CD, testing, agile)

What’s on Offer

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Salary up to £65,000

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Hybrid working – 2 days per week in the Cambridgeshire offices

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Work on a high-impact, customer-facing e-commerce platforms

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Collaborative and supportive engineering environment

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Long-term technical and career progression

Please apply at your earliest convenience to be considered for this role