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Italo Carvalho

@italocarvalho

Senior Frontend Developer at Líder Aviação, who cut invoice processing time 3x with React and TypeScript.

At Líder Aviação, I built invoicing-system features in React, TypeScript, and Vite that cut invoice-processing time by 3x. I also reduced application load time by 50% with a centralized Context API state layer.

At CI&T, I built and maintained an e-commerce application serving 1M+ bars and establishments across Brazil, including PIX and credit-card payments. I also cut page-load time by 80% and contributed to CI&T Flow, building its Steps module and working with LLM-powered features.

Earlier, I delivered 15 responsive websites at UaiFy, each with a conversion rate above 70%, and refactored American Eagle Outfitters' e-commerce platform at Avenue Code, increasing site speed by 30%. In my study projects, I’m building Mayonotes, a browser-based local-first note-taking app with RAG, and a Recipes API with NestJS and Supabase.

Experience

Work history, roles, and key accomplishments

Current

Senior Frontend Developer

Current

Líder Aviação

Jun 2025 - Present (1 year 5 months)

Cut invoice-processing time by 3x for an aircraft rental company by building new invoicing-system features in React, TypeScript, and Vite. Reduced application load time by 50% by refactoring redundant network requests into a centralized Context API state layer.

React TypeScript Vite Context API Storybook AI Prompt Engineering

Frontend Developer

CI&T

Feb 2021 - Feb 2025 (4 years)

Built and maintained a multi-platform e-commerce application serving 1M+ bars and establishments across Brazil, unlocked by designing and launching PIX and credit-card payment for their fintech module. Modernized a legacy application by migrating it to a new frontend architecture, cutting build time by 60% and making bugs significantly easier to trace and resolve.

React TypeScript Redux Next.js Context API Docker Terraform Prompt Engineering AI Agent Orchestration

UI Developer

Symplicity Brasil

Sep 2019 - Feb 2021 (1 year 5 months)

Maintained and enhanced a student-recruitment platform supporting 1,000+ universities and millions of active users. Expanded job-search capabilities by shipping new filtering features in Angular 2/6, SASS, and HTML5.

Angular SASS HTML5

Frontend Developer

UaiFy

Mar 2017 - Sep 2019 (2 years 6 months)

Delivered 15 responsive websites and hotsites for clients, each achieving a conversion rate above 70%. Cut average site-delivery time by one week by streamlining custom WordPress theme development.

WordPress HTML CSS JavaScript

UI Developer / Project Manager

Lett Insights

May 2016 - Sep 2016 (4 months)

Extended an e-commerce monitoring tool's feature set with new capabilities as part of the product's ongoing release cycle. Managed sprint planning and roadmapping in Jira and Aha, improving delivery predictability for the team.

Jira AHA Project Management

UI Developer

Avenue Code

Mar 2014 - Mar 2016 (2 years)

Refactored American Eagle Outfitters' e-commerce platform using Ember.js, Node.js, Backbone, Redis, HTML5, and Stylus, improving layout responsiveness and increasing site speed by 30%. Built an innovative real-time fleet-monitoring system for a car-rental company using AngularJS.

Ember.Js NodeJS Backbone Redis HTML5 Stylus AngularJS