GF

Looking for a job

Gustavo Fritola

@gustavofritola

Frontend engineer specializing in React and TypeScript applications.

What I'm looking for

I seek frontend roles focused on React/TypeScript where I can build scalable, testable systems, mentor teams, and improve observability and developer experience.

I am a frontend developer with six years of experience building scalable, user-focused web and cross-platform applications using React, TypeScript, React Native, Next and PWAs. I prioritize code quality through comprehensive unit testing with Jest and by implementing robust tooling for monitoring and feature toggling.

At Flash I led delivery of the first micro-frontend, built vacation and shift-management workflows, and implemented a BFF with tRPC while introducing Unleash and Sentry/Grafana for observability. At Anheuser-Busch InBev I contributed to a shared component library and delivered MVP platforms for internal stakeholders, improving reuse and time-to-market.

Also I Led an observability-driven root cause analysis of a BFF replica saturation incident, uncovering invalid history requests across Web and Mobile (hidden UI calls, wrong IDs, and missing parameter validation), reducing historico/v1 errors by 98% and historico/v2 by 53%, and preventing unnecessary infrastructure scaling.

Experience

Work history, roles, and key accomplishments

FL

Current

Front-end Engineer

Current

Jul 2023 - Present (2 years 11 months)

Built vacation and shift management features, dashboards, and the first micro-frontend; implemented a tRPC BFF, Unleash toggles, and Sentry/Grafana monitoring. Led an observability-driven root cause analysis of a BFF saturation incident, uncovering invalid Web and Mobile requests, reducing production errors by 98% and preventing unnecessary infrastructure scaling.

React TypeScript Next.js tRPC Jest Unleash Sentry Grafana

AI

Front-end Engineer

Anheuser-Busch InBev

Aug 2020 - Aug 2023 (3 years)

Supported a shared component library and built MVPs for internal teams, including a manager evaluation platform; collaborated with stakeholders and iterated on user feedback to deliver scalable internal tools.

React Cypress Jest Effector Component Libraries

CO

Front-end Engineer

Corebiz

Dec 2019 - Aug 2020 (8 months)

Developed landing pages for product launches and an interactive skin-tone quiz for Grupo Boticário's e-commerce, improving engagement and personalization to drive sales.

Ecommerce React HTML CSS JavaScript SASS Jest VTEX E Commerce

ST

Full-stack Developer

Streammus

Dec 2018 - Dec 2019 (1 year)

Maintained a beta mobile app, refactored a PhoneGap app to React Native to improve performance and maintainability, and developed backend APIs with PHP/CodeIgniter plus SQL data work.

React Native PhoneGap PHP CodeIgniter SQL JavaScript HTML CSS

Education

Degrees, certifications, and relevant coursework

UM

Universidade Anhembi Morumbi

Bachelor's degree, Analysis and Systems Development

2021 - 2023

Completed a bachelor's degree in Analysis and Systems Development focusing on software development and systems analysis.

ET

Etec

Technical degree, Computer Science

Completed a technical degree in Computer Science providing foundational knowledge in programming and computer systems.

Tech stack

Software and tools used professionally

React Native

Expo

PhoneGap

MongoDB

VTEX

Sentry

Cypress

React

JavaScript

Grafana

Docker

SQL

CodeIgniter

tRPC

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