Senior Engineer

• Permanent
• Up to £95k
• Hybrid: 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 presales technical 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. Importantly, you'll be equally comfortable writing high-quality code as you are presenting your work to senior stakeholders—both technical and business-focused.Your work will directly influence deal progression by making complex capabilities immediately understandable and relevant to enterprise retail customers.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 across retail and B2B contexts
• Rapidly develop bespoke prototypes for strategic opportunities requiring tailored technical validation
• Build integrations with major commerce platforms to demonstrate functionality in familiar retail environments
• Collaborate with presales consultants to translate customer requirements into compelling technical demonstrations
• Present and articulate technical architectures, data flows, and solution benefits to stakeholders at all levels
• Partner across Sales Engineering, Product Marketing, and Customer Success to align demonstration narratives with value propositions
• Contribute to technical workshops, discovery sessions, and architecture reviews to help customers visualize their content journey
• Oversee deployment infrastructure and maintain environment stability
• Investigate emerging frontend technologies and AI applications to advance demonstration methodologies
• Provide technical mentorship and elevate engineering standards across the solutions team

What You'll Bring

• Demonstrated expertise in JavaScript/TypeScript, React, and Next.js with production deployment experience
• Professional background implementing or integrating CMS or eCommerce solutions with headless or composable platforms
• Proficiency building API integrations (REST/GraphQL) within enterprise architectures
• Experience with component-driven development using modern CSS approaches
• Strong command of modern development workflows—version control, CI/CD, cloud deployment platforms
• Understanding of content modeling, API orchestration, and digital experience architectures
• Ability to articulate technical architecture and approaches to both technical and business audiences
• Proven experience designing and presenting POCs or demonstrations in enterprise software or presales environments
• Confident communicator capable of leading technical discussions and delivering live demonstrations to senior stakeholders
• Capacity to manage competing priorities and deliver quality results under timeline pressure
• Technically curious, commercially aware, and quality-driven with strong collaborative skills

Services offered by Computappoint Limited are those of an Employment Business and/or Employment Agency in relation to this vacancy.