Salary: £22,000 - 59,000 per year Requirements: Deep experience in TypeScript and at least one modern front-end framework (preferably Svelte or Astro) Strong proficiency in C# and .NET Core Experience deploying and scaling within Azure (Functions, App Services, Cosmos DB) Mastery of modern CSS (Tailwind/SCSS) and state management patterns Familiarity with Headless CMS or eCommerce platforms (nice to have) Knowledge of SQL Server and NoSQL patterns (Cosmos DB) (nice to have) Strong understanding of UX/UI principles Experience with WebGL/AR projects (nice to have) Responsibilities: Building lightning-fast, accessible front-end interfaces using modern tools Developing scalable APIs and serverless logic within the .NET Core and Azure ecosystem Transitioning toward an Islands Architecture to optimize content delivery Writing clean, SOLID code supported by TDD and automated CI/CD pipelines Technologies: Azure C# CI/CD CMS Cosmos DB CSS NoSQL SCSS SQL Serverless Svelte TDD TypeScript WebGL UX UI Design ASP.NET Cloud 3D Angular Fullstack More: At iSite, we are the UKs largest Digital Media agency, specializing in the creation, hosting, and syndication of product data and video content/images for leading global brands. We are committed to helping our clients enhance their online sales. In our team, youll have the autonomy to influence our architecture, as we operate with Lean and Agile methodologies. We value curious developers and offer a competitive salary, additional leave, and on-site parking. You will be working in Colchester, CO3 8AB. last updated 12 week of 2026