João Arthur Weber Email & Phone Number

São Leopoldo, Rio Grande Do Sul, Brazil

Rio De Janeiro, Brazil

Worked as a Backend Developer, developing innovative solutions for APIs in various industries. I have worked on both internal projects and for external clients. Here are some key highlights of my experience.Boatlux API: Contributed to the initial development of the API by implementing minor features.Unhide School API: Utilizing Python and Flask, I designed and maintained features, including a redesigned test system, ensuring a high-quality and reliable system for Unhide School.Otto-Bot: Rewrote and maintained an existing Discord bot using Python, connecting it with the Unhide API. Enhanced the interface for the marketing team to efficiently manage data and perform CRUD operations. Implemented newer Discord UI and added advanced functionalities.Liberchannel API: Started the development of a Social Media API. Implemented a robust notification system using Redis and integrated it with the OneSignal API, enabling seamless integration with Android and iOS platforms. Integrated Apple and Google payment systems for in-app purchases. Conducted research and created load test scenarios using Locust, integrating them into several projects. Additionally, integrated Firebase for a chat room feature within the application.Rusttico Backend: Maintained a high-throughput event aggregator WebSocket using Rust and Diesel. Created a Python API to provide easily queryable data based on WebSocket events and developed GraphQL mutations to manage data in the mobile app. Implemented a robust docker-compose infrastructure, connecting both systems through a Caddy reverse proxy. Established a CI/CD pipeline using Github Actions for continuous deployment.Tech Stack: Git, Python, Pytest, SQL, SQLAlchemy, FastApi, Flask, Rust, Actix and DieselDB, Docker, Docker Compose, Github Actions, GraphQL, Postgresql, Locust, Linux, Redis.

Dois Irmãos, Rio Grande Do Sul, Brazil

I adeptly maintained a legacy ERP system, utilizing PL/SQL and Oracle ecosystem's, including Oracle Forms, Oracle Reports, and Oracle Apex. Additionally, I served as a diligent tester, ensuring system quality and reliable feature functionality.Technology Stack: SQL, PL/SQL, Oracle Forms, Oracle Report and Oracle Apex