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Senior Full-stack Developer

John Kenneth Fernandez

Frontend specialist with 10+ years building scalable web applications with React, Vue, and TypeScript. Now working full-stack with Python, FastAPI, GraphQL, and PostgreSQL, growing into AWS and cloud engineering.

ReactVueTypeScriptPythonFastAPIGraphQLPostgreSQLAWSWordPressShopifyPHPREST API
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PROFESSIONAL PHOTO: drop file to replace

Work

01 · Selected projects
VetEngage dashboard

VetEngage — Booking & Staff Platform

Led the online booking app and staff dashboard in React and TypeScript with Apollo Client and Zustand. Built the patient check-in and appointment confirmation flow across GraphQL resolvers, PostgreSQL migrations, and Temporal workflows.

ReactTypeScriptViteTurborepo
VetEngage design system in Storybook

VetEngage — Design System & CI/CD

Architected VetEngage's React design system, shipping reusable shadcn/ui components with Storybook documentation and a Changesets-versioned CI/CD pipeline in GitHub Actions.

ReactTypeScriptViteTailwind CSS
Lux Admin Dashboard cover

Luxsurance — Vue 2 → Vue 3 Migration

Led the Vue 2 to Vue 3 migration for an enterprise insurtech admin dashboard and customer app, integrating ASP.NET Core REST APIs and establishing CI/CD with GitHub Actions.

Vue 3TypeScriptTailwind CSS.NET APIs
UAE GOVERNMENT MULTI-SITE

UAE Government 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.

Vue.jsLaravelWordPress
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Blog

03 · Notes on the work
careerGoing full-stack after ten years on the frontendWhat actually changed when I moved from frontend specialist to full-stack, and the lessons from a decade and 80+ projects that carried over. · 3 min readcontext-engineeringTrue full-stack context engineeringThe complete version: two monorepos, a Dockerized backend with a database, API, and Mailpit, and Chrome DevTools MCP watching both the UI and the API traffic. One system the agent sees end to end. · 3 min readaiWhy we moved from Cursor to Claude CodeCursor is a great AI editor. Our workflow shifted from in-editor assistance to delegating whole tasks to an agent, and that is where Claude Code fit better. · 3 min readaiThe agent-skills workflow I actually ship withSpec to plan to build with TDD, then review and a performance pass. How I use Claude Code's agent-skills to move fast without breaking things. · 2 min readaiAI that reaches into Linear and FigmaThe best thing about MCP is not the model, it is the access. Connecting Linear and Figma to my AI agent means it works from the real ticket and the real design, not my paraphrase. · 2 min readcontext-engineeringContext engineering: giving an AI agent the whole stackRunning the frontend and backend together, a monorepo, and a typed GraphQL contract turn an AI coding agent from a guesser into a teammate. · 2 min read
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