Vitor Guidorizzi

Architected, built, and led a small team to create an internal employee management platform and knowledge library from the ground up. Worked across the full stack with TypeScript, React, Next.js, TailwindCSS, Golang, Postgres, and ChakraUI to deliver a scalable and user-friendly solution that streamlined operations.

• Designed, developed, and scaled REST APIs in Go, ensuring high availability and robust performance under growing usage.
• Implemented unit testing, code reviews, and CI/CD pipelines to ensure code reliability and maintainability across applications.
• Implemented responsive, accessible front-end using React, Next.js, and Chakra UI, significantly enhancing usability and adoption among non-technical staff.
• Oversaw code reviews, task prioritization, and mentoring for junior developers, fostering best practices in TypeScript and modern web development.

Worked as a Backend Developer, collaborating with cross-functional teams to deliver scalable, efficient, and high-performance solutions using Node.js, TypeScript, MySQL, PostgreSQL, RabbitMQ, and GraphQL.

• Led backend development for a large-scale email campaign platform used daily by thousands of users, using PostgreSQL, RabbitMQ, Golang to power customizable campaigns, detailed performance tracking, and high-volume email delivery.
• Architected, deployed and maintained internal microservices with extensive unit and integration testing, with a focus on scalability, reliability, and performance.
• Modernized and stabilized legacy components, including a PWA and REST APIs, resolving long-standing issues and improving integration across services.
• Optimized database performance in MySQL and PostgreSQL, enabling faster campaign execution and reporting for end users.

Sporadically contracted to build and lead the development of large-scale data migration routines and automation scripts to manage Facebook Workplace assets. Leveraged Node.js, JavaScript, Go (Golang), Selenium, and MySQL to streamline processing and integration with Dialog’s asset management and database systems.Developed data migration and automation scripts using Node.js, JavaScript, Golang, Selenium, and MySQL. Managed large Facebook Workplace files. Collaborated with IT to integrate assets into Dialog's database and asset system.

• Automated the download and organization of thousands of files with Selenium scripts, significantly reducing manual workload.
• Migrated and transformed over 10,000 JSON datasets into Dialog’s structured entity system, improving data consistency and accessibility.
• Designed and executed database migration strategies in MySQL, ensuring data integrity during large-scale transfers.
• Partnered with Dialog’s IT team to align integration processes and improve long-term maintainability of the asset management system.

Led the modernization of a realtime vehicle tracking platform by rewriting the frontend as a Progressive Web App (PWA) and building a scalable REST API. Drove a full database redesign while leveraging Node.js, TypeScript, NestJS, PostgreSQL, React, Docker, and AWS to deliver a faster, more resilient system.

• Modernized the company’s core product by rewriting its frontend as a Progressive Web App (PWA), improving key performance metrics (TTI, FCP, LCP) by 40%.
• Led a comprehensive database redesign, normalizing over 150 tables in a legacy monolith, which reduced data redundancy and cut query response times by over 60%.
• Designed and implemented a scalable REST API to interface with the new data structure, enabling cleaner service separation.

• Designed and delivered a full-stack, offline-capable highway monitoring platform — from requirements gathering to deployment — used to generate thousands of reports annually, significantly improving operational productivity.

• Developed tax-reporting tools (SPED 3.02 - blocks K and H).
• Built monitoring tools for infrastructure projects.
• Analyzed proposed technical solutions based on customer requirements.