Lucas Giraldelli

Cuiabá, MT, Brazil

Senior Software Engineer | Fullstack JS/TS Specialist (React/Node) | Clean Code & Scalable Solutions

Currently at TrackFive

Experienced Senior Software Engineer specializing in the JavaScript ecosystem. I build scalable, high-performance web and mobile applications using React, Node.js, and TypeScript. My focus goes beyond just writing code; I am passionate about software architecture, clean code principles, and delivering solutions that drive real business value. I thrive in collaborative environments where I can tackle complex technical challenges and optimize system performance.

TypeScript
React
Node.js
AWS
Frontend: React.js, React Native, Next.js, Redux, Tailwind CSS.
Backend: Node.js, NestJS, Express, RESTful APIs, GraphQL.
Main Languages: JavaScript (ES6+), TypeScript.
Other Languages: Java, Golang, Python, PHP, C#, Bash.
Tools & DevOps: Git, Docker, AWS, CI/CD pipelines.
Additional Skills: Agile Testing, Code Refactoring, Project Documentation.
Hobbies: Currently expanding my skills in game development (Godot/3D Modelling/Voxel art), which keeps my problem-solving skills sharp and creative.

Work Experience

Full Stack Engineer

TrackFive

Mar 2026 - Present · Remote

Building and evolving a large-scale platform on a React Native/Web + Next.js monorepo architecture. Developing new API routes and maintaining legacy backend services in Laravel, including Blade template support. Migrating legacy frontend code to a modern stack and building cross-platform design system components.

  • Building a large-scale platform on a React Native/Web + Next.js monorepo architecture (Nx workspaces)
  • Developing new API routes and maintaining legacy backend services in Laravel (Blade), ensuring continuity across old and modern system layers
  • Migrating legacy frontend code to a modern stack, improving maintainability and consistency across the platform
  • Building and maintaining UI components for a cross-platform design system using React Native, Next.js 15, Storybook, Tailwind CSS (NativeWind v4), and Gluestack UI
TypeScript React React Native Next.js Laravel Storybook Tailwind CSS NativeWind Gluestack UI Sanity CMS MariaDB Redis Docker AWS

Software Engineer

Treez Inc. (via Truelogic Software)

Mar 2022 - Jan 2026 · San Francisco, California, United States · Remote

Led the integration of the Universal Cannabis API, enabling seamless third-party connectivity and expanding system capabilities. Implemented critical security protocols to achieve SOC 2 compliance, ensuring enterprise-grade data protection and regulatory adherence. Optimized the Label Maker service and related microservices, significantly improving system performance and printing reliability for end-users. Resolved complex UI/UX issues and backend bugs, acting as a key technical resource during on-call rotations to ensure high system availability.

  • Led the integration of the Universal Cannabis API, enabling seamless third-party connectivity
  • Implemented critical security protocols to achieve SOC 2 compliance
  • Optimized the Label Maker service and related microservices, significantly improving performance
  • Resolved complex UI/UX issues and backend bugs during on-call rotations
TypeScript React Node.js PostgreSQL MySQL Java Spring Framework CSS HTML Grafana WSL

Frontend & Mobile Engineer

Opah IT

Jan 2022 - Mar 2022 · Brazil

Project Crefisa (Fintech): Developed and integrated a new high-volume payment module, enhancing the financial ecosystem's functionality and user retention. Collaborated with Bancorbras to modernize their mobile architecture using React Native. Executed a strategic refactoring of the codebase to TypeScript, drastically improving component reusability and reducing type-related bugs in production.

  • Developed and integrated a new high-volume payment module for Crefisa (Fintech)
  • Collaborated with Bancorbras to modernize their mobile architecture using React Native
  • Executed strategic refactoring to TypeScript, improving reusability and reducing bugs
React Native TypeScript iOS Android styled-components

Frontend Engineer

AMcom Sistemas de Informação

Oct 2020 - Jan 2022 · Brazil

Project Ultragaz: Engineered enhancements for the measurement platform, modernizing legacy interfaces for better operational control. Project Philips Tasy (Healthtech): Improved operational efficiency by streamlining documentation and resolving critical technical issues in the hospital management system.

  • Engineered enhancements for Ultragaz measurement platform, modernizing legacy interfaces
  • Improved operational efficiency at Philips Tasy by streamlining documentation and resolving critical issues
JavaScript TypeScript React Redux Java CSS HTML Scrum

Full Stack Engineer

EasyFront

Jul 2017 - Sep 2020 · Brazil

Architected IoT solutions integrating embedded systems (Raspberry Pi, Arduino) with modern web interfaces. Built seamless full-stack applications connecting hardware inputs to React frontends via Node.js backends, creating real-time intercom systems.

  • Architected IoT solutions integrating embedded systems with modern web interfaces
  • Built seamless full-stack applications connecting hardware inputs to React frontends via Node.js
JavaScript Node.js React React Native Arduino Raspberry Pi Embedded Systems

Frontend Trainee

Banco do Brasil

Feb 2016 - May 2017 · Brazil

Development of administrative tools using Primefaces with JSF. Migration of the website to blog format (WordPress) using HTML5, CSS3 and Javascript.

  • Development of administrative tools using Primefaces with JSF
  • Migration of the website to blog format (WordPress) using HTML5, CSS3 and Javascript
CSS HTML5 JavaScript Primefaces WordPress Bootstrap

Skills

Frontend

TypeScriptReactReact NativeNext.jsHTMLCSSReduxTailwind CSSstyled-components

Backend

Node.jsExpressNestJSLaravelRESTful APIsGraphQL

Other Languages

JavaGoPythonPHPC#Bash

Database

PostgreSQLMySQLMongoDBMariaDBRedis

DevOps/Cloud

AWSDockerCI/CDGrafana

Testing

UnitIntegrationE2EAgile Testing

Tools

GitStorybookJSDocScrum

Best Practices

Clean CodeCode RefactoringProject DocumentationSoftware Architecture

Other

ArduinoRaspberry PiEmbedded SystemsGodot3D ModellingVoxel Art

Education

Rocketseat

Fullstack developer — Node.js, ReactJS and React Native

Full Stack Development

Nov 2019 - Jun 2020

Emphasis on clean code and code patterns. Theory and practice of building webapps, SPAs, backends, and RESTful APIs.

UniCesumar

Bachelor's degree, Computer Software Engineering

Computer Software Engineering

Jan 2020 - Present

Agile methodologies, testing and software quality, Bachelor degree.

Certifications

Total TypeScript Type Transformations

Total TypeScript

Oct 2024

Click to view certificate

Total TypeScript Essentials

Total TypeScript

Aug 2024

Click to view certificate

Total TypeScript Zod Essentials

Total TypeScript

2024

Click to view certificate

Conquering Responsive Layouts

Kevin Powell

2023

Click to view certificate