Senior Full-stack Developer
John Kenneth Fernandez
Senior full-stack developer with 10+ years building scalable web applications: React and Vue on the frontend, WordPress and Shopify for CMS and commerce, Python, FastAPI, GraphQL, and PostgreSQL on the backend. Leads frontend across multi-application products and ships features end to end, from UI to infrastructure.

Work
Selected projects
Veterinary SaaS Booking & Dashboard React App
Led the online booking app and staff dashboard in React and TypeScript with Apollo Client, and built full-stack features across GraphQL and Temporal.

Veterinary SaaS Python API Platform
The FastAPI and Strawberry GraphQL backend where I build product features end to end, from GraphQL schema through PostgreSQL migrations to Temporal workflows.

Luxsurance: Admin Dashboard
Architected and built an enterprise insurtech admin dashboard and customer app from scratch in Vue.js, later leading the Vue 2 to Vue 3 migration and ASP.NET Core API integration.

Dr. Flora Kim: Shopify Dermatology Site
A custom Shopify site for a dermatology and skincare practice, with Vue.js interactivity and Liquid-based theme customization for booking consultations.

UAE Government WordPress Multi-site
Built bilingual English/Arabic (RTL) websites for UAE government ministries and Abu Dhabi authorities, delivering responsive SPAs and CMS-powered sites integrated with REST APIs.

Overjet: Dental AI Company Website
A custom WordPress site for a dental AI company, pairing a Vue.js and Tailwind CSS frontend with ACF Blocks for Gutenberg for flexible content management.
Let’s build
something.
Open to senior full-stack roles and interesting collaborations. Reach out below or over email.