Gabriel de Souza

Software Engineer

gabriel.nbds@gmail.com GitHub Linkedin X Download my CV

I’m a software engineer specializing in JavaScript, TypeScript, ReactJS, NextJS, React Native, and NodeJS, with experience in large-scale applications. I have a strong track record of significant optimizations, like reducing process times by 90% and memory usage by 80%. I work across both frontend and backend, lead teams, and deliver high-quality projects under pressure. I’m committed to building robust and scalable solutions while maintaining high code standards, and I’m open to new challenges in innovative, performance-driven environments. In recent years, I’ve worked professionally with ReactJS, NextJS, React Native, NodeJS, TypeScript, and Flutter.

Work

IM Digital

Jun 22 - Present · Miami, USA

- Reduced a process time from 7 minutes to 30 seconds (+90% improvement), also reducing the RAM usage from 2GB to 300MB (+80% improvement)
- Reduced the time complexity of a function from O(n^2) to O(n), reducing the time taken from the function from about 15 seconds to less than 1 second
- Excelled under pressure, leading an entire development team and consistently delivering high-quality results within tight deadlines
- Engaged in diverse company projects, demonstrating versatility and collaborative skills across different areas
- Recognized for being proactive in problem-solving and driving initiatives forward

Tech Stack: ReactJS, NextJS, NodeJS, GraphQL, Flutter, TypeScript

IBM

Jan 22 - Jun 22 · São Paulo, Brazil

- Implemented production updates for a banking application serving more than 100 million users, maintaining service continuity and system reliability
- Increased team efficiency by resolving a complex challenge previously unaddressed, demonstrating problem-solving excellence

Tech Stack: React Native, TypeScript