PermanentUp to £95kHybrid: Flexible UK-based Senior Frontend Engineer Opportunity: PermanentSalary: Up to £95kHybrid: Flexible UK-basedOffice Location: London, Manchester or Middlesbrough (Candidates must be within commutable distance to one of these office locations, as this role will require periodic on-site attendance.) About the Opportunity My client, a fast-growing digital experience platform serving major retailers globally, is seeking a Senior Frontend Engineer to join their Solutions Engineering team. you''ll architect and build the demonstration experiences that showcase platform capabilities to prospective customers. The Role This position bridges engineering excellence with customer engagement. you''ll design and develop interactive prototypes that transform technical functionality into tangible business solutions during sales cycles. Your work will directly influence deal progression by making complex capabilities immediately understandable and relevant.You''ll also collaborate with customer-facing teams to prototype expansion opportunities for existing accounts. What you''ll Do Take ownership of their Next.js demonstration platform-ensuring optimal performance and alignment with evolving capabilities Architect a scalable library of modular demo components that support diverse customer scenarios Rapidly develop bespoke prototypes for strategic opportunities requiring tailored technical validation Build integrations with major commerce platforms to demonstr