Senior .NET & React Developer for Enterprise Cloud Apps

United States Digital Space LLC; Milton Keynes; Hybrid; GBP 55,000 - 75,000; Full time

Job summary

the company is seeking a .NET Developer to join the Cloud & Custom Applications practice. You will perform hands-on development with .NET, C#, React, and TypeScript, building full-stack solutions and maintaining scalable enterprise systems.

You will work in Agile teams, contribute to solution design, and shape modern digital capabilities with an emphasis on quality, testing, and continuous improvement. You will collaborate with stakeholders, implement TDD, and support CI/CD pipelines, while

Qualifications

• Proficiency in .NET Framework, .NET Core, C#, ASP.NET.
• Strong experience with React.js, TypeScript, and modern JavaScript/TypeScript development practices.
• Ability to build and maintain scalable front-end applications using React and TypeScript.
• Experience with RESTful APIs, web services, and system integration.
• Deep understanding of OOP, design patterns, SOLID principles, and architecture.
• Practical knowledge of SQL, database architecture, and relational database design.
• Familiarity with DevOps, CI/CD pipelines, and automation tools.
• Experience with unit testing frameworks such as NUnit or xUnit.
• Understanding of cloud and containerization technologies such as AWS, Docker, Kubernetes.
• Strong expertise with Git for version control.

Responsibilities

• Perform hands-on development using the latest versions of .NET, C#, and frontend technologies including React and TypeScript.
• Build full-stack solutions, integrating React/TypeScript user interfaces with .NET backend APIs.
• Apply strong expertise in Object-Oriented Programming (OOP), design patterns, SOLID principles, and architectural patterns.
• Contribute to the development of high-volume, high-availability enterprise-scale applications.
• Work within Agile delivery methodologies, ideally with experience in SCRUM.
• Design, optimise, and maintain database systems, with strong understanding of relational database design.
• Implement Test-Driven Development (TDD), write robust unit tests, and support Continuous Integration pipelines.
• Leverage CI/CD and automation tools to ensure high-quality, frequent releases.
• Critically analyse system designs and provide constructive feedback to improve performance and maintainability.
• Conduct code reviews focusing on maintainability, scalability, and adherence to engineering best practices.
• Produce clear and comprehensive technical documentation.
• Collaborate effectively with both technical and non-technical stakeholders.
• Maintain strong understanding of unit testing, design patterns, and CI/CD pipelines.

Skills

C# / .NET

React/TypeScript

REST APIs

OOP / SOLID

SQL / Relational DB

DevOps / CI-CD

Unit testing (NUnit/xUnit)

AWS / Docker / Kubernetes

Git

Tools

Docker

Kubernetes

OpenShift

Terraform

Jenkins

GitHub Actions

GitLab CI

PostgreSQL

MySQL

Job description

the company is seeking a .NET Developer to join the Cloud & Custom Applications practice. You will perform hands-on development with .NET, C#, React, and TypeScript, building full-stack solutions and maintaining scalable enterprise systems.

You will work in Agile teams, contribute to solution design, and shape modern digital capabilities with an emphasis on quality, testing, and continuous improvement. You will collaborate with stakeholders, implement TDD, and support CI/CD pipelines, while