務
Expertise
What I do.
The areas I have owned end to end on production systems, in employed roles and independent contracts alike.
01
SaaS Application Development
SaaS products taken from requirements and architecture through build, testing and launch.
02
Custom Web Apps & Dashboards
Internal tools and customer-facing dashboards in React and Next.js, including the data-heavy ones.
03
API Development & Integrations
REST and GraphQL APIs on Node.js and Express, plus third-party integrations such as Stripe, Apple PassKit and Google Wallet.
04
Performance Optimization & Bug Fixing
Profiling slow or fragile code and fixing what is actually causing it.
05
Long-Term Development & Maintenance
Owning a live product after launch: new features, upgrades and maintenance for as long as it runs.
In depth:Multi-tenant SaaS →Wallet passes →