22+Years of
Experience

Hi, I'mIzac CavalheiroFrontend Specialist / Software Developer / Engineering Manager

Crafting exceptional web experiences with modern technologies and best practices. Specialized in React, TypeScript, and Next.js.

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Professional Experience

Senior Frontend Engineer

Trustly

08/2024 - Present

  • Part of the frontend core team, contributing to building and improving our payment solution in North America (USA and Canada) and also in European countries

Senior Frontend Engineer

Optii Solutions

08/2023 - 08/2024

  • Successfully led the migration from React 17 to React 18 while modernizing Class Components
  • Contributed to building a sophisticated SaaS platform for hotel industry operations

Software Engineering Lead

Creditas

11/2021 - 08/2023

  • Led the implementation of DORA metrics resulting in a 100% improvement in Deployment Frequency
  • Reduced Lead Time for Changes by 50%, significantly improving development efficiency
  • Managed cross-functional teams delivering customized solutions for a lending products platform

Software Engineering Manager

Pravaler

03/2021 - 11/2021

  • Led teams responsible for developing websites, blogs, and customized product solutions
  • Monitored and managed OKRs and KPIs
  • Provided career development guidance and technical leadership to team members

Frontend Development Specialist

KM de Vantagens

10/2019 - 03/2021

  • Architected and developed a white-label food delivery application
  • Successfully implemented micro-frontend architecture

Lead Frontend Software Engineer

XP Inc.

01/2019 - 10/2019

  • Improved application scalability and maintainability through architectural improvements
  • Helped enhance user experience through the creation of modular and reusable solutions

Senior Frontend Engineer

Iteris

09/2018 - 01/2019

  • Contributed to building the main website and landing pages for Easynvest (now NuInvest)
  • Helped develop reusable UI library components

Software Engineering Consultant / Tech Lead

Accenture Brasil

07/2017 - 09/2018

  • Led cross-functional teams helping to promote company culture and best practices
  • Participated in architecture and development of solutions using modern technologies including TypeScript, Node, React, and GraphQL

Lead Software Engineer

VirtualNet

01/2015 - 06/2017

  • Developed various localized and internationalized websites for major entertainment companies (Sony Pictures and Walt Disney)
  • Led and supported my team of developers using various technology stacks and frameworks

Founder / Fullstack Developer

i9Mais

01/2007 - 12/2014

  • Founded and operated a web design and development company
  • Developed and planned dozens of custom web applications such as websites, microsites, e-commerce sites, and blogs

Fullstack Developer

IC Development

06/2002 - 01/2007

  • Started my professional development career during adolescence
  • Developed custom web applications for local businesses
  • Gained initial experience with multiple programming languages and technologies

Skills

Frontend

  • JavaScript
  • TypeScript
  • React
  • NextJS
  • Tailwind CSS
  • HTML5
  • CSS
  • SASS
  • Vite
  • Webpack
  • ESLint
  • Zustand
  • Zod

Backend

  • JavaScript
  • TypeScript
  • NodeJS
  • NestJS
  • PHP
  • Laravel
  • Bagisto
  • Python
  • FastAPI
  • Java

Testing

  • Testing Library
  • Cypress
  • PlayWright

Databases

  • MongoDB
  • PostgreSQL
  • MySQL
  • Firebase
  • SQLite

DevOps

  • Docker
  • GitHub Actions

Cloud

  • Heroku
  • Azure
  • Netlify
  • Vercel
  • Google Cloud

Tools

  • VSCode
  • Git
  • Shell
  • GitHub
  • GitLab
  • Jira
  • Confluence

Best Practices

  • Design Patterns
  • Clean Architecture
  • Internationalization
  • Accessibility
  • SEO
  • Performance
  • Security
  • Core Web Vitals

Other Technologies

  • GraphQL
  • REST
  • OAuth
  • JWT
  • PWA
  • SPA
  • Microfrontends
  • Microservices
  • CI/CD

AI Integration

  • Anthropic
  • Claude
  • OpenAI / Chat GPT
  • Gemini

Ecommerce

  • Bagisto
  • Vendure

Payment

  • Stripe
  • PayPal
  • MercadoPago
  • Boleto
  • Pix

Soft Skills

  • People Management
  • Team Building
  • Technical Leadership
  • Agile Methodologies
  • Software Engineering Principles
  • Cloud Computing
  • Negotiation
  • Menthoring

Featured Projects

Arese

Pharmaceutical company website

Arese
PHP CakePHP MySQL HTML5 CSS Responsive Layout Internationalization
Link

Mercatrives

E-commerce platform from Pobra de Trives - Spain

Mercatrives
PHP Laravel Bagisto MySQL HTML5 SASS Vue Tailwind Responsive Layout
Link

Gráfica Invernada

Printing company website

Gráfica Invernada
NextJS React TypeScript SASS Responsive Layout SEO Core Web Vitals Python Twilio
Link

Ideary App

Domain registration price comparison website

Ideary App
Angular Qwik SASS HTML5 Vite SEO Core Web Vitals Internationalization
Link

Contact