- Shaped the frontend architecture of a self-service giving platform (Hub) from early development through scale — now used by 54,000+ organizations to independently create and publish donation experiences, significantly reducing Customer Success dependency.
- Authored internal RFCs and led frontend delivery for QR-based donation forms, enabling frictionless mobile and in-person giving across the DACH region — contributing to the platform facilitating 300M+ in annual donation volume.
- Owned end-to-end integration between two interdependent donation products — designing shared configuration, cross-platform embedding, and operational state management — enabling safer upgrades and reducing coordination overhead.
- Led frontend delivery of a multi-provider payments surface — TWINT, Stripe, and PayPal connection, onboarding flows, and currency/pricing configuration — reducing bespoke engineering effort per customer.
- Delivered customized giving solutions for UNICEF, Rotary, Amnesty International, WWF, Save the Children, and the Swiss Red Cross — where the bar is accessibility, reliability, and cross-browser correctness under live campaign pressure.
- Mentored 2 junior engineers through code reviews, pairing, and architecture walkthroughs — increasing their autonomy over time.

- Sole frontend engineer across multiple simultaneous enterprise client engagements at a specialist digital agency, spanning fintech, wealth management, legal, insurance, and nonprofit sectors.
- Architected full design systems from scratch — design tokens, component libraries, and Storybook documentation — as sole frontend engineer for four enterprise clients: Evelyn Partners (£60bn AUM wealth manager), Russell-Cooke (Top 100 UK law firm), Shawbrook Bank, and S&W Group.
- Built a compound growth investment simulator for BestInvest, enabling retail investors to project portfolio outcomes over time on a high-traffic fintech platform.
- Engineered a mortgage affordability calculator for The Mortgage Lender, handling complex financial logic for intermediary brokers with a WCAG-accessible UI.
- Developed a mission-critical internal underwriting application for Canopius, a Lloyd's of London insurer — handling sensitive risk data and conditional workflows for marine warfare coverage.
- Established a headless CMS architecture pattern using Next.js and Umbraco Delivery API, adopted across subsequent client projects.

- Co-founded and architected a B2B veterinary e-commerce platform from scratch, owning all frontend technical decisions independently across the full product lifecycle.
- Led 3 engineers through a full CSR-to-SSR migration, significantly improving SEO performance and load times.

- Coordinated a 5-person team to deliver an interactive 3D experience for a digital collectibles launch, generating $4M in revenue — spanning design, frontend, and blockchain teams.
- Designed and maintained a shared Storybook component library, enabling consistent UI development across projects and reducing review cycles.

- Architected a web app delivering an automated loyalty system for hundreds of merchants, with an analytics dashboard providing customer retention and behavioral insights.