.Net Web Developer The MTM Agency Southampton

  • IDHL Group
  • Southampton, Hampshire
  • 06/08/2026
Full time Information Technology Telecommunications SQL Software Engineer Testing

Job Description

Who are the MTM Agency?

If you want to join an award-winning agency that delivers bold ideas and outstanding results, we'd love to hear from you. The MTM Agency is a market-leading integrated agency based in Southampton. We are part of IDHL, one of the UK's largest digital marketing agencies. Together, we partner with an enviable roster of international clients.

Your role as .Net Web Developer

As a .net Web Developer you will focus on developing code for websites using the latest technologies. Ensuring coding standards are followed and quality is paramount. Dare to make the difference and have impact from Day One!

Duties & Responsibilities Collaboration
  • Collaborate with other developers and the project development team to determine needs and applying/customising existing technology to meet those needs

  • Maintaining and supporting multiple projects and deadlines

  • Working with the team to ensure the team completes the work within the sprints effectively and timely and to estimates

Administration
  • Produce and maintain development documentation, where applicable

Innovation
  • Seek to improve how we do things, better software engineering and best practices

  • You care about things like code quality, modularity, and performance

  • Ensuring code is developed and unit tested using the SOLID principles

  • You are not satisfied with a site that only "works", but rather a site that works in the best possible way given appropriate criteria (e.g. client requirements or third party limitations)

  • Investigate the causes of non-conforming software and implement solutions

  • Stay up-to-date with Dotnet technology and strategies

  • Ensuring work is produced to a high standard and to estimates

Other Responsibilities
  • Work collaboratively with other departments to contribute to proposals, share ideas and expertise and problem solve to ensure a high quality and seamless experience for our client partners

  • Responsible for having an understanding and maintaining our client partner and agency budgets and be forthcoming with how the Agency can maximise profitability

  • Undertake continuing professional development and mandatory training, to ensure you keep your knowledge, expertise and experience up to date

  • To present and promote a professional public image in representing the agency

  • To undertake any other duties that may reasonably be required, appropriate with the post

  • Participation in the Agency appraisal scheme and undertaking any professional development as identified with your line manager

  • To adhere to the company handbook and comply with relevant legislation
    You may be expected to participate in events and promotions where the team requires representation; sometimes helping out with the organisation of the events upfront. Some of these may be outside of your normal working hours.

Person Specification
  • Experience of software engineering experience across different projects, using C#, Dot net core, server technologies, unit testing asp.net, razor, SQL

  • Strong knowledge of software design, and implementation methodologies and processes

  • Strong experience in a variety of software development approaches and methodologies including Agile and Waterfall

  • Experience in requirements capture, analysis techniques and process improvement approaches

  • A desire to remain technically capable and an expert in current technologies

  • Experience in translating technical concepts and problems into "layman's terms" for non-technical colleagues and clients

  • Exposure to both architecture and implementation-level software design

  • A good understanding of software performance testing, such as JMeter or similar performance testing tools

  • An understanding of Docker and Kubernetes

  • Exposure to Vue JS, React or Angular

  • Knowledge and practical application of OOP and MVC software principles

  • Exposure to unit testing and understanding of the principles of testing

  • A good understanding of Azure Dev Ops pipeline

  • A good understanding of Azure storage, search, app insights, key vault