Full Stack Engineer

Senior Full Stack Engineer - React/C#/.

NET/Azure

Contract: 6 months

Rate: £400 per day, outside IR35

Location: Fully remote

We're looking for a Senior Full Stack Engineer to help design, build and enhance E-commerce and digital platforms, delivering seamless customer journeys that improve conversion and support commercial growth.

This is a hands-on contract working closely with product, design and engineering teams. You'll deliver features across the full stack, combining responsive React interfaces with robust C#/.

NET services and cloud-native solutions on Microsoft Azure.

What you'll be doing

• Designing, building and maintaining scalable, secure and high-performing applications using React, C#/.NET and Azure.
• Delivering end-to-end features, from customer-facing interfaces through to Back End services and APIs.
• Contributing to technical design, cloud architecture and reusable components.
• Improving application performance, reliability and user experience.
• Writing clean, maintainable code supported by unit, integration and end-to-end testing.
• Contributing to CI/CD pipelines, DevOps practices and ongoing improvements to engineering standards.
• Working with Product Managers, Designers and stakeholders to translate business requirements into technical solutions.
• Identifying and addressing technical debt while sharing knowledge across the engineering team.

What we're looking for

• Strong commercial full stack development experience with React, C# and .NET Core/.NET 6+.
• Experience using Microsoft Azure to build and support cloud-based applications.
• A background delivering ecommerce or customer-facing digital platforms.
• A good understanding of API design, microservices and distributed systems.
• Experience with CI/CD pipelines, DevOps practices and cloud infrastructure.
• A track record of improving application performance and customer experience.
• Strong software engineering fundamentals, including design patterns and automated testing.
• Experience working collaboratively within agile, product-led teams.

Nice to have

• TypeScript experience.
• Exposure to headless or composable E-commerce platforms.
• Familiarity with event-driven architectures.
• Experience integrating payment, search or marketing platforms.
• Knowledge of analytics, experimentation or A/B testing.
• Exposure to order management or fulfilment systems.