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Erick
Martins

|

I build fast, accessible, and scalable web applications. 3+ years shipping production code with React, Next.js and Node.js — looking for my next challenge.

Selected work

Things I've
shipped

2026

Stella Sobral Fisioterapia

SEO-first marketing site for a home physiotherapist

100% static Next.js site built to outrank competitors in local São Paulo search. JSON-LD schema, Tailwind v4, 6 service pages with unique copy, sitemap generation, and Core Web Vitals focus.

Next.jsTypeScriptTailwind v4SEOSSGSchema.org
Developer Portfolio
2026

Developer Portfolio

This site — dark editorial design system

Personal portfolio built with Next.js 16, Tailwind v4, Framer Motion and TypeScript. Dark editorial aesthetic with Syne typography, amber accent, and animated orbit hero.

Next.jsTypeScriptTailwind v4Framer MotionEmailJS

Tech stack

What I
work with

Frontend

  • TypeScript
  • React
  • Next.js
  • Redux Toolkit
  • Tailwind CSS

Backend

  • Node.js
  • Express
  • MongoDB
  • REST APIs
  • Zod

Tooling & DevOps

  • Git / GitHub
  • Docker
  • GitHub Actions
  • AWS
  • Jest / Testing
Currently exploring →AIClaudeMCPAgentsn8n

Experience

Where I've
worked

Full Stack Developer

2022 — Present
Freelance·Remote

Building web applications and marketing sites for select clients. Handled everything from architecture to deployment, including SEO-focused Next.js sites and REST APIs.

ReactNext.jsTypeScriptNode.jsTailwind CSS

Senior Front-End Developer

2022 — Present
CulturaSoft · Client: Sunny Brinquedos·São Paulo, BR

Led front-end modernization of a large-scale product catalog portal used by resellers nationwide for one of Brazil's largest toy importers. Migrated legacy jQuery interfaces to React and Next.js, restructured data schemas for advanced filtering and searchability, and collaborated across teams on sprint planning and feature delivery. Mentored junior developers on React patterns and code review practices.

React.jsNext.jsTypeScriptJavaScriptjQueryHTMLCSSREST APIsGit

Network & Infrastructure Specialist

2016 — 2022
AMR Consultoria Ltda.·São Paulo, BR

Managed end-to-end data center infrastructure projects for public and private sector clients, covering pre-sales through delivery and post-sales support. Led client acquisition, technical scoping, and proposal writing for network and server solutions.

Salesforce (SFDC)Network InfrastructureServer Infrastructure

Education

2012 — 2018

Bachelor of Computer Science

Universidade Paulista (UNIP)

2014

English Advanced

Sydney, Australia

Looking for

Remote · Hybrid · Relocation

Open to remote and on-site opportunities.

Contact

Let's build
something

I'm actively looking for full-time roles and contract opportunities — fully remote or on-site. Drop me a message or reach out directly.

LinkedInin/ericckm
Based inSão Paulo, Brazil · Open to relocation