Solo-designed, architected, and developed a full-stack SaaS product over 6 months.
ReactNext.jsTypeScriptshadcn/uiExpress.jsNode.jsWebSocketsSupabaseVercelRender
maintenance.dev
Sam Kavanagh
Staff / Senior Frontend Engineer
Santander, Spain · EU & UK work rights · No sponsorship required
Staff / Senior Frontend Engineer and former CTO with 10+ years building and architecting large-scale web platforms in FinTech. As CTO, led engineering for Australasia's largest investment firm, driving innovative solutions and scalable architecture. During tenure, Milford scaled from $8 to $17 billion in client funds under management and tripled their customer base. Now focused on hands-on architecture and engineering, specialising in React, Next.js, TypeScript, and modern frontend architecture for financial platforms. Alongside enterprise work, produces design-led, animation-rich web applications in collaboration with design agencies. Creates and maintains open-source developer tools on npm (nextmap, @icydotdev/runny) and bootstraps SaaS businesses, most recently maintenance.dev in 2025.
Freelance delivery for a design agency project, built end-to-end in 3 weeks for a leading New Zealand construction company.
ReactNext.jsTailwind CSSGSAPLottieSanity CMS
savory.co.nz
Freelance build delivered over 2 months for a prominent New Zealand golf course via a design agency. 30,000+ monthly visitors.
ReactNext.jsTailwind CSSSanity CMS
arrowtowngolf.co.nz
nextmap ↗Open Source / npm
CLI for Next.js that visualises application routes as an interactive dependency graph, improving codebase navigation and mental modelling of large projects.
Node.jsTypeScriptCLI
www.npmjs.com/package/nextmap
npm
nextmap@icydotdev/runny ↗Open Source / npm
Runtime developer tooling utility for workflow automation and execution tasks in modern JavaScript applications.
Node.jsTypeScriptCLI
www.npmjs.com/package/@icydotdev/runny
npm
@icydotdev/runny