Web Mobile .NET Developer

About us

As a highly successful leading-edge product development and technology services company, we have been involved in a variety of exciting product development projects including advanced software for monitoring critical care devices in the field, Digital Transformation/IoT solutions for consumer trials, the Nuvola cloud solution for multi-ecosystem voice assistants, data science and sustainability initiatives. All these developments focus on delivering elegant and creative solutions that improve lives through innovation.

Job Overview

We are looking for a talented Web & Mobile .NET Developer to join our team. As a Web & Mobile .NET Developer, you will be responsible for designing, developing, and maintaining web and mobile applications and services.

You will work closely with cross-functional teams to develop high-quality solutions that meet our clients' needs. The ideal candidate will have a strong understanding of web security and development technologies and trends, as well as web and mobile app excellent programming skills.


  • Develop and maintain web and mobile applications.
  • Write clean, efficient, and well-documented code.
  • Collaborate with cross-functional teams to develop solutions that meet business requirements.
  • Optimize web applications and services for maximum speed, scalability, and maintainability.
  • Ensure the technical feasibility of UI/UX designs.
  • Stay up to date with web development trends and technologies.


  • 3+ years of experience in web and mobile app development
  • Skilled in architecting C# .NET applications
  • Proficient in CSS, JavaScript, C# and at least one server-side language such as PHP, Python, or Ruby.
  • Experience with modern front-end frameworks such as React, Angular, or Vue.js.
  • Experience with web security, web application security testing and compliance standards
  • Experience with API development and database technologies
  • Bachelor’s degree or higher in Computer Science, Engineering, or related field.

Desirable qualifications

  • Familiarity with cloud computing platforms such as AWS, Azure, or Google Cloud Platform.
  • Experience with .NET MAUI for cross platform development
  • Experience with automated testing and continuous integration tools.
  • Familiarity with UI/UX design principles.
  • Strong portfolio showcasing web development projects.
  • Comfortable operating in a fast-paced environment

What we offer you

  • Competitive salary and bonus scheme
  • Private health insurance
  • Pension scheme
  • Cycle to work scheme

A Day in the Life

In this role you will work closely with software developers, product owners and stakeholders in an Agile environment. While you will be expected to be hands-on with the code where applicable, you will also be heavily involved in defining solution architecture, setting technical standards, and researching new approaches and technology options for cloud and web-based solutions.

Projects range in length anywhere from a couple of months to a couple of years. Typical projects will use a talented and collaborative cross-disciplinary team that provides insight into best practice product development in electronics design, mechanical design, and of course software design for the web and mobile platforms.

Your work will be based at our Sagentia Innovation offices in Epsom, Surrey with opportunities for short travel to client sites in Europe or USA. You will enjoy a fast-paced environment in which we solve a variety of challenges for different clients.

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