Sanity Developer in United Kingdom

Salary: £117,000 - 143,000 per year Requirements:

• Extensive experience in digital, creative, or advertising agencies
• Senior-level experience building full-stack web applications in production, with at least 3 years of experience
• Hands-on production experience with https://jobeax.com/link/JGu3HAV92Gta6zV3, including content modelling, GROQ, Studio customisation, and custom input components
• At least two shipped production https://jobeax.com/link/JGu3HAV92Gta6zV3 projects with live URLs
• Experience designing and building end-to-end headless architectures, rather than only consuming a pre-configured CMS
• Strong TypeScript, React, and https://jobeax.com/link/JSd7UYCSg572jJDY skills, with https://jobeax.com/link/Z30sZYC3jcRenVso or an equivalent framework
• Experience delivering content migrations that preserve downstream consumers
• Knowledge of SSR/ISR rendering strategies, image optimisation, SEO fundamentals, and Core Web Vitals
• Experience with multilingual and localised content in Sanity, including document-level translation, fallback hierarchies, and locale routing
• Experience integrating CRMs and analytics tools such as HubSpot, Salesforce, and GA4/GTM, with resilient abstractions
• Experience with preview environments, CI checks, rollback, error handling, and observability
• Ability to build accessible, maintainable component code to WCAG 2.2 AA standards and match design intent
• Ability to document architectural decisions so codebases can be extended or handed over to client teams
• Preferred: Experience with Sanity AI or embeddings features, such as an embeddings index or Sanity Context plugin, or with search implementations on structured content
• Preferred: Experience with enterprise B2B, professional services, or financial services sites featuring structured service and location pages
• Preferred: Experience onboarding or pairing with an in-house client developer

• Contribute to Phase 2: experience design, content strategy, design and content sprints, and technical solution definition
• Deliver Phase 3 build and launch
• Configure the Sanity content model and Studio
• Structure content for services, locations, and resources, and establish editorial workflows and roles
• Implement internationalisation with English as the master language, plus Simplified Chinese, Traditional Chinese, and Spanish
• Migrate content from Drupal to Sanity
• Build front-end templates and components to WCAG 2.2 AA standards
• Integrate HubSpot, Salesforce, and GA4/GTM
• Implement AI search and guided wayfinding in Sanity, including embeddings-based search and AI-ready structured content
• Set up environments, previews, and the CI pipeline
• Run sprint demos, fix UAT defects in Jira, and prepare technical hand-off documentation

• AI
• CMS
• Drupal
• HubSpot
• JIRA
• React
• Salesforce
• TypeScript
• Web
• NodeJS
• CRM
• JavaScript

More:

We are recruiting for a 3-month remote contract with a top digital and advertising agency, working on a rebuild from Drupal to Sanity Enterprise. The contract is outside IR35 and is due to start by 26 October. Rates depend on experience and client requirements.

last updated 41 week of 2026