Guilherme
From Brazil (UTC-3)
Full-stack Web Developer|Middle-to-senior
Mobile Developer|Senior
Guilherme – React, Typescript, Node.js
Guilherme is a Senior React and React Native developer with six years of experience, specializing in frontend and cross-platform mobile architecture, complemented by Node.js experience. He demonstrates mature AI-assisted development practices, clean code structure, and solid TypeScript and JavaScript fundamentals. His experience spans edtech, logistics, and healthtech domains, with notable strengths in building internal tooling and production-ready features.
6 years of commercial experience
Main technologies
React
6 years
Typescript
6 years
Node.js
4 years
React Native
6 years
AWS
3 years
Additional skills
OneSignal
Next.js
Kafka
PostgreSQL
Feathers.js
MongoDB
Vue.js
JavaScript
Expo
Angular
Kubernetes
DevOps
MySQL
Java
Direct hire
PossibleReady to get matched with vetted developers fast?
Let’s get started today!Experience Highlights
Software Engineer
Jun 2022 - Ongoing4 years 1 month
Project Overview
Language-learning app used by thousands of students.
Responsibilities:
- Integrated analytics and campaign attribution libraries to improve observability and marketing engagement across the company's products.
- Developed and shipped new features in the language-learning app, contributing to increased retention and engagement.
- Integrated Branch.io and OneSignal into the app, increasing deep link conversion rates and expanding marketing campaign reach through push notifications.
- Created and maintained internal NPM packages reused across teams and projects, reducing code duplication and accelerating development cycles.
- Worked with react-native-web and micro-frontends to ensure consistency across mobile and web platforms.
Project Tech stack:
React Native
OneSignal
React
Angular
Java
Typescript
Software Engineer
May 2021 - Jun 20221 year
Project Overview
The company's internal tool for tracking and receiving order information.
Responsibilities:
- Created Node.js services for data ingestion from multiple sources via Kafka and IBM MQ, processing thousands of orders per day.
- Refactored legacy applications, resolving security vulnerabilities and ensuring compliance with corporate OWASP standards.
- Developed React Web Components integrated into enterprise systems, used by clients and internal tools.
- Built front-end applications with Next.js, improving user experience and page load performance.
Project Tech stack:
Node.js
Kafka
React
Next.js
Typescript
Full-stack Developer
Jan 2021 - May 20213 months
Project Overview
Access control solutions for companies that prioritize security, speed, and efficiency.
Responsibilities:
- Developed and maintained APIs with Node.js, Feathers.js, and TypeScript.
- Built and maintained web applications in React.
- Developed and maintained mobile applications with React Native using Expo.
- Worked with relational databases using Postgres and Sequelize ORM.
Project Tech stack:
Node.js
Feathers.js
Typescript
React
React Native
PostgreSQL
Full-stack Developer
Sep 2020 - Feb 20215 months
Project Overview
A platform for challenges, mentorship, and human balance.
Responsibilities:
- Developed applications using React, Node.js, TypeScript, React Native, MongoDB, and AWS.
Project Tech stack:
React
Node.js
Typescript
React Native
MongoDB
AWS
Software Developer
Apr 2020 - Dec 20208 months
Project Overview
The agile, smart app for creating and managing schedules.
Responsibilities:
- Maintained, developed, and integrated new features in REST APIs with Node.js.
- Built SPA applications with Vue.js and React.
- Developed mobile applications with React Native.
- Deployed system updates.
Project Tech stack:
Node.js
Vue.js
React
React Native
AWS
MongoDB
Education
2026
Software Architecture, Solution Architecture, System Design, Cloud Computing
Postgraduate Degree - MBA2024
Computer Science
Bachelor's degreeLanguages
Portuguese
AdvancedEnglish
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