London, England, United Kingdom
Treasury Expansion @ Stripe
Architected a dynamic affordability questionnaire that adapts to user input, enriching estate agent enquiries with financial data, thus introducing a new way for agents to better qualify buyers. Developed interactive mortgage calculators using Next.js and Victory charts, boosting key user engagement metrics by 400% and helping home buyers make faster and more confident decisions. Drove a 22% uplift in conversions to partner financial products via A/B tests using Optimizely, iterating on UI/UX based on data insights. Contributed to a shared design system with a focus on accessibility (WCAG AA), performance and type safety, supporting consistent, high quality UI across business units. Improved loading times by 57% on a high-traffic page (1.4 million users) by proactively identifying and resolving rendering bottlenecks, demonstrating initiative beyond team scope. Built a Fastify API to bypass a legacy Perl system, integrating with SendGrid to handle enriched estate agent enquiries and ensure reliable email delivery. Created a new GraphQL queries such as one with geospatial calculations to dynamically organize listings by radius from a user’s chosen location serving as a scalable temporary solution. Supported a backend team by implementing an API endpoint using Node.js and Fastify with filtering and efficient pagination, temporarily filling in for a senior engineer to keep the project on track. Authored technical documentation and led onboarding for a senior engineer, strengthening team productivity and institutional knowledge.
Delivered the Jury and Awards announcement features across multiple flagship event platforms, coordinating backend integrations and ensuring launch readiness under tight deadlines. Automated product operations by migrating content toggles to Contentful, removing developer dependency for feature rollouts and improving deployment speed.