Senior Umbraco Developer

Company: Fresh Egg
Apply for the Senior Umbraco Developer
Location: Worthing
Job Description:

Hybrid: Worthing office 2 days pw – all candidates must be UK based with full right to work in the UK

Role Type: Full-time, Permanent

As an Umbraco Platinum Partner, we’re looking for a Senior Umbraco Developer to join our development team and help deliver modern Umbraco solutions across a range of client projects.

The Role

You’ll work on building and maintaining Umbraco websites and applications, developing custom functionality and integrations, and collaborating with project teams to deliver high-quality digital experiences.

You’ll also contribute to development best practices, technical discussions, and the ongoing evolution of our platforms and processes.

Key Responsibilities

  • Developing and maintaining Umbraco websites and applications
  • Building custom integrations, APIs, and backoffice functionality
  • Working with modern Umbraco and headless architectures, including the Umbraco Content Delivery API
  • Supporting Umbraco upgrades and platform enhancements
  • Collaborating with multidisciplinary teams across the agency
  • Supporting code quality, testing, and development best practices
  • Using modern development tooling and AI-assisted workflows where appropriate

What you’ll bring

  • Strong commercial experience with Umbraco CMS
  • Excellent knowledge of C#, .NET, and ASP.NET Core
  • Experience with modern Umbraco versions
  • Engagement with the Umbraco community through events, packages, forums, or open-source contributions
  • Experience with Umbraco upgrades and migrations
  • Experience with headless CMS and the Umbraco Content Delivery API
  • Experience working with Umbraco Cloud
  • Experience integrating platforms such as Salesforce
  • Knowledge of Umbraco Forms and custom property editors
  • Experience with Azure services and Azure DevOps
  • Experience with React or Vue
  • Experience working with other CMS platforms such as Optimizely
  • Interest in AI technologies, integrations, or modern development workflows

What we’ll give you in return…

The most brilliant part of Fresh Egg is its people – you’ll see what we mean as soon as you arrive. People to learn from, caring people and people full of ideas (not to mention they can bake a mean cake). We therefore look after our staff and we’re all rewarded with, amongst other things:

  • 3pm finish on Fridays
  • Input into company goals – we ask for opinions on where the company should be headed
  • A structured training programme built around personal development plans and skills gaps
  • Enhanced pension contributions, critical illness, and death in service packages
  • Regular social events to suit everyone – quiz nights, beer tasting, BBQs and our infamous Christmas party
  • Workplace flexibility – we entrust our line managers to work with you and allow flexibility where needed
  • Wellbeing support – financial wellness sessions, a wellness guide, employee savings and cycle scheme access, plus activities and an in-office gym
  • Enhanced maternity and paternity packages
  • A structured induction programme to learn about the different functions across Fresh Egg

Everyone’s welcome here

At Fresh Egg, we don’t just embrace diversity, we celebrate it. We’re building a team that reflects the world around us and delivers work that surprises and delights. Whatever your background, you’ll be welcomed, supported and given fair opportunities to grow, thrive and make a real impact. Different perspectives power our creativity, and inclusion is how we show up for our team, our clients and each other, every day.

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Posted: May 23rd, 2026