Lucas Braga

Team Lemoine • Windsor, Canada

Specializes in integrated CAM software, automation, and machining support to manufacturing workflows. • Developed a full-stack licensing & subscription management web app using React (Create React App), Bootstrap 5, and Redux Toolkit, with role-based experiences, reducing manual processing time by 60%. • Implemented Stripe billing features (customers, SetupIntents/payment methods, taxes, invoices/receipts, charges, refunds) with multi-currency handling (USD/CAD), allowing the company to operate internationally. • Created an orchestration layer to fetch catalog and subscription data and process paid invoices, past-due charges, and refunds end-to-end, handling 100% of billing workflows automatically. • Automated subscription renewals/expirations with scheduled jobs (cron/Heroku Scheduler) plus templated email notifications (Nodemailer + EJS) and Microsoft Teams alerting. • Built a custom WordPress REST API to expose MySQL-backed data to a Node.js backend and React SPA, secured via API key + Basic Auth, enabling stable cross-system integration with zero data integrity issues. • Collaborated on API testing and documentation using Postman collections/environments to validate endpoints and speed up debugging, reducing endpoint debugging time by ~30%.

GoCo (now Stafet) • Copenhagen, Denmark

All-in-one HR platform streamlining onboarding, admin and employee data management • Built a React + TypeScript teacher portal enabling interactive, math-rich quiz and homework creation, plus class, student, and assignment management in one app, reducing content creation time by ~40% and increasing teacher engagement by ~25%. • Implemented authentication and session handling with AWS Amplify + Cognito, including protected/guest routes, with role-based access control using AWS Cognito groups and protected endpoints with API Gateway authorizers. • Built a serverless backend in TypeScript using the Serverless Framework (AWS Lambda + API Gateway) with bundled deployments via serverless-bundle. • Designed and deployed a multi-table DynamoDB data model (students, teachers, classes, quizzes, homework, content, etc.) as infrastructure-as-code.

I-dataBI • São Paulo, Brazil

Business intelligence firm specializing in custom software, data visualization and performance optimization solutions • Reengineered a legacy desktop system into a modern web application using PHP, Laravel and Livewire, eliminating local installation and manual update dependencies. • Developed web applications with a mobile-first approach using Bootstrap, enhancing UI responsiveness and ensuring seamless accessibility across devices. • Designed and implemented backend processes with Redis caching and PostgreSQL storage, improving system stability and responsiveness.