Vistra

It's never been a more exciting time to join Vistra. At Vistra our purpose is progress. We believe that our clients have the power to change the world and to do great things for global progress, and we exist to remove the friction that comes from the complexity of global business - to help our clients achieve progress without friction. But progress only happens when people come together and take action. And we're absolutely committed to building a culture where our people can do just that. We have an exciting opportunity for you to join our team as Senior Website Developer for a 6 month fixed term contract. Reporting to the SVP Demand Generation this full-time position can be based in Vistra London or Vistra Dubai allowing you to make a significant impact to our business and its growth. Purpose of Role We're looking for a Senior Web Developer/Engineer to own and lead the rebuild and ongoing evolution of our global B2B website. This is a high-impact role at the intersection of engineering, growth, and digital experience. You'll be responsible for building a scalable, high-performing website using Next.js and Sanity CMS, while driving improvements in performance, SEO, and conversion. Working closely with marketing, design, and external partners, you'll ensure the website operates as a core growth engine for the business. Sanity CMS Experience is Essential. Key Responsibilities Build and maintain the website using Next.js and Sanity CMS, focusing on scalability and performance Develop reusable, modular components that enable non-technical teams to create pages efficiently Design and manage content models, schemas, and structured content systems within Sanity Translate design assets into high-quality, production-ready frontend components Drive technical SEO best practices including metadata, structured data, and Core Web Vitals optimization Manage and optimize Cloudflare (caching, redirects, SSL, performance) Build and maintain integrations with marketing and business platforms Support deployment workflows and infrastructure (AWS, Vercel, or similar platforms) Ensure consistency, scalability, and maintainability across the codebase and CMS Utilise hands on experience with Sanity CMS Attributes / Technical Skills CMS Expertise: Sanity CMS (content modeling, schemas, workflows, previews, tagging, content updates) SEO & Performance: Technical SEO, Core Web Vitals, structured data, metadata, URL structure, page speed optimization CDN / Cloud: Cloudflare management (caching, redirects, SSL, WAF, performance optimization) Cloud / Deployment: AWS or similar cloud platforms, Vercel or equivalent hosting Integrations: Platform and system integrations, syncing content across tools Version Control: Git-based workflows and collaborative development practices Other: Accessibility, responsive design, component-based architecture, code quality best practices Proven track record delivering full website rebuilds using modern frameworks (Next.js / React) Hands-on experience working with headless CMSs, including content modeling, tagging, previews, and ongoing content management Experience implementing technical SEO strategies and optimizing site performance Managing CDN platforms (Cloudflare or similar) for caching, redirects, SSL, and performance optimizations Familiarity with cloud infrastructure and deployment, preferably AWS or similar platforms Experience integrating websites with third-party systems and marketing platforms, ensuring data consistency across tools Collaborating with cross-functional teams: designers, marketers, and external agency partners Experience supporting B2B brand websites, particularly content-heavy or lead-generation focused sites

Vistra is looking for a Senior Website Developer in Greater London for a 6-month fixed term contract. You will lead the rebuild of the global B2B website using Next.js and Sanity CMS. Your responsibilities include ensuring high performance, SEO optimization, and collaborating closely with marketing and design teams. A strong background in Sanity CMS and technical SEO is essential for this role. This is a full-time position offering a significant impact on Vistra's digital growth.