joaovitorscr

João Vitor, Frontend Developer

Frontend Developer

I build fast, accessible web interfaces with React, TypeScript and modern CSS. Most of my attention goes to spacing, timing and the states people only notice when they're wrong.

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Selected work

Auto-review

Work in progress, 2026

A pull request reviewer that works with any model. Several focused agents look for runtime bugs, each finding is checked before it's posted, and comments stay short and tied to a file and line. Early days; I'm building it now.

TypeScript, React, Vite, GitHub API, LLMs

Source

Feed in Docs

Personal project, 2026

Paste a documentation URL and get an llms.txt index you can copy. It reads the site's sitemap, follows links within the docs section and prefers each page's Markdown version when one exists.

Next.js, React, TypeScript, Tailwind, GSAP

Live siteSource

Testimony.io

Personal project, 2025

A tool for companies to collect customer testimonials, pick the best ones and embed them on their own site.

Next.js, React, TypeScript, tRPC, PostgreSQL, Tailwind

Live siteSource

Experience

  1. 2025–now

    Frontend Developer, Anexs Tecnologia

    Building responsive websites and web applications for a range of clients, with a focus on React, TypeScript and modern CSS.

  2. 2024–2025

    Trainee, Anexs Tecnologia

    Shipped frontend features alongside the backend team while learning the craft of production web development.

Toolkit

Frontend
React, Next.js, Astro, Angular, TypeScript, JavaScript, Tailwind CSS, SASS, GSAP
Backend & data
Node.js, tRPC, REST APIs, PostgreSQL, Drizzle ORM, Convex, Clerk
Tooling
Git, Vite, Turborepo, Playwright, Figma, LLM tooling
Practice
Accessibility, Performance, Responsive design, Motion design

Contact

Have something in mind?

I'm always up for a conversation about products, interfaces or a project that needs a careful frontend.

Schedule a meetingjoaovitorscr03@gmail.com