Achievements:- Improved our subscription system by decreasing the recurrency research queries by 18x using Hibernate.- Reduced recurrency processing loss by 100% by rewriting our recurrency processing endpoint to work asynchronously in a Java serverless function.- Capacited 6 Backend Colleagues by proposing weekly meetings for knowledge sharing and actively participating in these events.Context:Hotmart is a Creator Economy based company that is designed to facilitate the creation, distribution, and marketing of digital and physical products.Working in the company's subscription system and the maintenance and improvement of the payments core application. Responsible for the recurrency processing system.Technologies:- Java- Python- Spring Boot- Quarkus- MySQL- Redis- MongoDB- AWS Lambda- AWS SQS- Docker- Kubernetes (K8S)- CI/CD (Jenkins, Drone)Activities:- Rewrite and refactor a monolithic application in a microservice structure.- Leading a knowledge-sharing project.- Architected and developed services with Clean Architecture and Design Patterns.

Achievements:- Reduced our answer time by 40% by solving root causes using Java and Python.- Increased the clean code rate (SonarQube) by 12% by developing better analytic thoughts using Design Patterns and Clean Architecture.- Decreased Hotmart’s L3 ticket open rate by 25% by providing scheduled tasks in AWS and Java to run throughout our system’s main vulnerabilities and correcting them.- Eliminated internal errors rate by 40%: by implementing a MDC logging system in our main payments API using Java.Context:Maintenance and upgrade of systems integrated with payment Acquirers. Acting in the development of integrations between both REST APIs using JAVA language, Maven, and both Spring Boot and WildFly Application Servers. Also acted in L3 client support by solving our core payment failures.Technologies:- Java- Python- Spring Boot- MySQL- Redis- AWS SQS- Docker- CI/CD (Jenkins, Drone)Activities:- Creation and Maintenance of scheduled jobs to predict failures in our system and correct them.- L3 tickets resolution.- Developed services with Clean Architecture and Design Patterns.

Achievements:- Created a fully functional landing page using Vue.js and Nuxt.js- Designed a Fast and Cheap backend by creating the logic using an AWS Lambda function for each logic needed using a Javascript Serverless framework - Created a secure user system by integrating the frontend with the backend logic using NodeJS and JWT- Allowed users to make Payments by integrating the backend logic with a payment processor using JavaScript and Typescript.Context:J&S contracted me to develop a wedding website (FrontEnd and BackEnd). It needed to include logic for: Users, Presence Confirmation, and Donations (Gifts or money). Its hosting also needed to be as cheap as possible.Technologies:- JavaScrpt- TypeScript- Vue.js- Nuxt.js- Tailwind CSS- AWS DynamoDB- AWS Lambda- Serverless Framework- 3rd party API integration