About me

Software Engineer at @R2A

Experience in Javascript, Typescript, React.js, Next.js, Vite, Sass, Redux, Responsive Design, Firebase, Supabase, Hasura, SQLite, MySQL, PostgreSQL, GraphQL, Jest, Node.js, Express, Fastify, Elysia.js, NestJS, Bun.js, Whatsapp API, Rocketchat, Serverless and Microservices

Skills and expertise

Languages: Javascript / Typescript & Python

Frontend: React.js (Vite) & Next.js

Backend: Node.js, Bun.js, Express, Fastify, Elysia.js & Nest.js

Database: Prisma, Hasura, Firebase, Supabase, MySQL, PostgreSQL & SQLite

Testing: Node:test, Bun:test, Storybook & Jest

DevOps: Docker, Vercel, CI/CD & Github Actions

Design: Figma, Adobe XD, Photoshop & UX/UI

Other: Git, Serverless, Google Cloud, Docusaurus, etc...

Career

Personal projects or those involving self-development will be listed on Linkedin.

Software Engineer II @ R2A Cobrança Pecuária | Dec 2025 - Actually

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  • Using Bun.js, Next.js, Discord Webhook, Python, PWA, Supabase & Docusaurus

    Software Engineer II @ Astriia | Sep 2024 - May 2025

  • Led the development of internal platforms using Node.js and React, successfully reducing the execution time of core internal processes by 35%.
  • Engineered AI-powered solutions integrated with the WhatsApp Business API and OpenAI, doubling the accuracy of personalized customer responses.
  • Implemented a Stripe payment system that boosted annual plan conversion by 28% and developed a feedback system that increased customer satisfaction by 40%.
  • Using Express, Node.js, OpenAI API, WhatsApp API, Facebook Business API, Next.js, Discord Webhook, AstrologyAPI, Stripe and Python

    Software Engineer II @ WhatsUpper | Aug 2023 - Dec 2023

  • Specialized in developing and integrating intelligent automation solutions for the WhatsApp Business API, enhancing customer communication workflows.
  • Built and maintained scalable backend services using Node.js to process high volumes of messages and power interactive chatbot experiences.
  • Collaborated with cross-functional teams to design and implement custom features, focusing on improving user engagement and retention through the WhatsApp channel.
  • Using Rocket.chat, Firebase, Next.js, WhatsApp API, Facebook Business API, Twilio and Firebase

    Software Engineer II @ Stone | Oct 2022 - Jul 2023

  • Optimized DialogFlow routines and integrated them with Rocket.Chat, improving chatbot response speed by over 50% and increasing customer retention.
  • Developed an interactive SPA with jQuery to automate customer routing and enable WhatsApp-based checkouts, cutting down queue times by up to 20%.
  • Authored comprehensive documentation for system architectures and internal processes, ensuring scalability and simplifying future maintenance.
  • Using Rocket.chat, Hasura, Next.js, WhatsApp API, Facebook Business API, Twilio, Firebase, DialogFlow and Google Cloud Plataform

    Systems Development Analyst I/II @ Cenário Capital | Oct 2020 - Sep 2021

  • Developed and maintained critical financial systems, contributing to data analysis and process automation to support investment strategies.
  • Collaborated with analysts and stakeholders to gather requirements and translate them into functional software solutions, improving operational efficiency through web quiz.
  • Progressed from a Junior to a Mid-level role by demonstrating strong technical skills in system design, database management, and backend development.
  • Using jQuery, HTML, CSS, Javascript, React, HTML for Email Marketing and Next.js

    Front-end Developer I / Jr. Marketing @ Marry Perry | Feb 2020 - Sep 2020

  • Developed and enhanced the user interface (UI) of the e-commerce platform, focusing on creating a responsive and intuitive shopping experience.
  • Implemented front-end features and optimizations that contributed to improved user engagement and conversion rates.
  • Assisted the marketing team with technical tasks, including landing page creation, email template coding, tracking analytics and afiliates system.
  • Using HTML, CSS, Javascript, Node.js, Express, MySQL and Python.

    Soldier @ Brazilian Army | Mar 2016 - Apr 2017

  • Developed strong discipline, resilience, and the ability to perform effectively in high-pressure, structured environments.
  • Mastered teamwork and communication skills through collaborative daily operations and mission-critical exercises with a diverse team.
  • Demonstrated a high degree of responsibility and commitment while managing assigned communication equipment and executing duties with precision.
  • Certificates

    React by Gustavo Sales in Rocketseat - November 2025

    React Fundamentals by Gustavo Sales in Rocketseat - November 2025

    Introduction to automation with n8n by Enzzo Panarotto in Rocketseat - September 2025

    NestJS by Jornada do Dev - April 2025

    Technical Leadership (Tech Lead) by Sérgio Fiorotti in Rocketseat - February 2025

    How to build a Micro SasS with Next.js, Firebase, Google Analytics and Stripe by Rocketseat - January 2025

    Build a web API with Node.js and Express by Microsoft Ignite - November 2024

    NLW Journey - GO by Rocketseat - July 2024

    NLW Journey - NodeJS by Rocketseat - July 2024

    NLW Journey - Java by Rocketseat - July 2024

    NLW Journey - Python by Rocketseat - July 2024

    NLW Journey - React (Tailwind, React) by Rocketseat - July 2024

    Web Development with Python: Python, Django, Pytest & OOP by IBM SkillsBuild - June 2024

    Firebase: Realtime Database, Cloud, Auth and Security by Gabriel Barreto - May 2024

    NLW Unite (Node, Typescript, Fastify, Prisma, Zod & Swagger) by Rocketseat - April 2024

    NLW Unite (React, Vite, TypeScript, Styled Components, Unicons & Dayjs) by Rocketseat - April 2024

    NLW Expert (Node, TS, Fastify, Prisma, Docker, PostgreSQL, Redis, Zod & WebSocket) by Rocketseat - February 2024

    NLW Expert (React, TS, Vite, TailwindCSS, Web Storage & Web Speech) by Rocketseat - February 2024

    1st Kyorugui Arbitration Seminar by Nova FETESP - February 2024

    4th Kombat Taekwondo Referee Siminar by Kombat Taekwondo - January 2024

    TDD – Guided Software Development Tests by Instituto Tecnológico de Aeronáutica (Coursera Free) - December 2023

    Complete Dialogflow - Master the Creation of Virtual Assistants by Universidade Global, Rogerio Guimaraes - November 2023

    Modern Web with Projects (JS/Typescript/React/Node) by COD3R - August 2022

    Workshop Figma by Design Culture - April 2022

    Introduction and Complete Course in Computer Science by Harvard - March 2022

    Participation, Proud Tech by Softplan - March 2022

    Agile Days by Instituto de Gestão e Tecnologia da Informação (IGTI) - November 2021

    Participation, Masterclass Github Actions by Azure na Prática - January 2021

    Participation, Hackathon (Third Place) by Shawee, AMBEV Hackathon - December 2020

    Linux Terminal by Profº Diego Mariano - October 2020

    Introduction to the Linux Operation System by Profº Diego Mariano - October 2020

    Introduction to MySQL Database by Profº Diego Mariano - October 2020

    Creating Dynamic Web Pages with PHP by Profº Diego Mariano - October 2020

    Facebook Blueprint - Basic to Advanced by Faculdade do Marketing Digital - July 2020

    11th Edition - Omnistack Week by Rocketseat - March 2020

    Introduction to Git and Version Control by Digital Innovation One - February 2020

    Getting Started with Git and Your Commands by Digital Innovation One - February 2020

    Arctic Code Vault Contributor by Github Archive Program - February 2020

    Essential Programming Logic by Digital Innovation One - February 2020

    Internet programming with HTML5 and CSS3 by Digital Innovation One - February 2020

    Web Programming for Scientific Dissemination by Profº Diego Mariano - January 2020

    Web Design with PHP, HTML, CSS and JS by Udemy - January 2020

    Illustration and Graphic Design for the Web by Bradesco - May 2017

    Web Design and Graphic Design by MacPoli Cursos - December 2014