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lucas.dev

Open to relocation — Australia

Lucas Coelho.Software Engineer.

Front-end specialist with 10+ years in web development — React, TypeScript, design systems, and performance. Currently expanding into backend and distributed systems.

01 / About

A bit about me

I'm a software engineer with over a decade of experience building web products — from WordPress themes and .NET apps to React and Next.js at scale.

Most of my career has been on the front-end: architecture, design systems, state management, CI/CD, and shipping apps that perform well in production. I've led technical decisions, replaced legacy systems, and cared deeply about code quality and maintainability.

I'm currently looking for international opportunities, with a particular interest in roles based in Australia, where I can contribute to product-driven engineering teams.

02 / Skills

Tools I work with

Frontend

  • TypeScript
  • React
  • Next.js
  • Redux
  • Zustand
  • Tailwind CSS
  • Styled Components
  • HTML5
  • CSS / SASS

Backend & Data

  • Node.js
  • PHP
  • ASP.NET MVC
  • C#
  • WordPress
  • MySQL
  • PostgreSQL
  • SQL Server

Practices

  • UX
  • SEO
  • Scrum
  • Agile
  • Design Systems
  • CI/CD
  • Git

Also worked with

  • React Native
  • jQuery
  • Grunt
  • Ionic

Languages

  • Portuguese — Native
  • English — Professional

03 / Projects

Selected work

A small selection of things I've built or am currently working on.

Static Portfolio Engine

Lightweight SSG setup focused on perfect Lighthouse scores, accessibility, and minimal JavaScript shipped.

TanStack Start · Vite · Tailwind

04 / Experience

Where I've worked

  1. 2020 — Present

    Software Engineer · COELHO TREINAMENTOS (Freelance)

    Independent software engineering work — training, maintenance, and technology consulting, delivered remotely.

  2. 2023 — 2026

    Front-end Developer · SetState

    Defined front-end architecture, folder patterns, linting, and CI/CD workflows. Built scalable React and TypeScript applications with Zustand for state management. Created and maintained design systems and reusable components.

  3. 2021 — 2023

    Front-end Developer · MULTIMAXI

    Led front-end architecture and tool selection for new projects. Built React and TypeScript apps with Redux and Zustand, replacing a legacy system with a more maintainable codebase. Standardized patterns, reduced technical debt, and maintained a design system with Tailwind CSS and Material UI.

  4. 2020 — 2021

    Full Stack Developer · UBISTART

    Built a React front-end integrated with a WordPress back-end. Backend development and maintenance with PHP and MySQL, including data modeling and API consumption.

  5. 2019 — 2020

    Front-end Engineer · Arquivei

    React and Next.js development focused on performance and SEO. Optimized Core Web Vitals and ran A/B tests in partnership with the marketing team.

  6. 2019

    Front-end Developer (Junior) · Beblue

    Shipped front-end features with React and Redux. Refactored high server-consumption Node.js apps to client-side React, significantly reducing infrastructure costs. Collaborated with product and design on UX and SEO.

  7. 2018 — 2019

    Support Analyst Trainee · Beblue

    Production incident analysis and L3 technical support. Worked with SQL Server, PostgreSQL, and MySQL.

  8. 2018

    Software Development Intern · Beblue

    Development and maintenance of .NET ecosystem applications. Stack: .NET, SQL Server, PostgreSQL, HTML, CSS, JavaScript, Scrum.

  9. 2015 — 2018

    Web Developer · Grupo Audax

    WordPress theme and plugin development, interactive interfaces, and client support. Stack: PHP, MySQL, jQuery, HTML5, CSS3, WordPress, Ionic.

05 / Education & Community

Continuous learning & giving back

Education

  • 2016 — 2019 · Fatec Ribeirão Preto

    Technology Degree — Systems Analysis and Development

Courses & Certifications

  • 2026 · Rocketseat

    React

    Modern React development — components, hooks, state management, and production patterns.

  • 2024 · Origamid

    Front End & UX/UI Design

    Front-end development combined with UX/UI design principles, layout, typography, and interface craft.

  • 2021 · Origamid

    React Completo

    Complete React course covering hooks, context, routing, and real-world application architecture.

  • 2021 · Udemy

    Regular Expressions Fundamentals (Regex)

    Pattern matching, capture groups, and practical regex usage in JavaScript and back-end validation.

  • 2020 · Origamid

    WordPress REST API

    Headless WordPress integration — REST API consumption, custom endpoints, and React front-end pairing.

Community Work

  • 2023 — 2024 · Comissão de Jovens do Bunkyo (CJB)

    Event Director

    Organized and coordinated cultural events related to Japanese culture — planning, logistics, and on-site operations. Led volunteers, managed booth and food sales to raise funds, and structured workflows for event delivery.

06 / Contact

Let's talk

I'm open to international roles — particularly in Australia. The fastest way to reach me is email.