My name is Guilherme Senna, I'm from Brazil.

I'm graduated in Computer Science at the State University of Santa Cruz (UESC). 🎓

Enthusiast in WEB development using Javascript/Typescript acting as Fullstack/DevOps since 2020 with advanced solutions following the RESTFUL API architecture using NodeJS (especially with ExpressJS) and creating intuitive interfaces with ReactJS/NextJS with an emphasis on UI and UX. I enjoy being part of proactive teams, as well as working on challenging projects. 💻

Has advanced comprehension in English. 🤔

Professional and academic activities/experiences:

• Work on blogs, real estate management (inspections and creation of contracts, rent payments, default control), management with Ecommerce, freight and toll calculation, Real-time chat with multiple users, customized PDF generation, gallery implementation (upload multiple + organization of images);
• Front and Backend Validation;
• Development and deployment with Docker;
• Deliveries focused on CI/CD;
• Use of SOLID and Clean Code;
• Experience with distributed systems and microservices;
• Advanced systems implementation: pagination, query strings, infinite scroll, push notifications, webSocket;
• API optimizations with dynamic caching using Redis and clustering/load balancing;
• Optimized integrations with Firebase, AWS (S3, EC2), Google maps (distance between points, routing), Autentique;
• Wide implementation of Payment Gateways with secure configuration for the Webhook;
• In-depth experience with SQL (MySQL, MariaDB, PostgreSQL, SQLite, SQL server) and NoSQL (MongoDB, Firebase database);
• Use of advanced and optimized queries with 'raw queries', including triggers, cursors, indexing;
• Use of ORM's, especially TypeORM and Prisma;
• Login with social networks, JWT and Refresh Token;
• B2B and B2C performance;
• Improved systems SEO;
• Background Jobs with node-cron;
• Use of queues with RabbitMQ and Bull;
• Settings on FTP, SMTP, NGINX, Apache servers, CORS Enablement | UFW (Firewall) | HTTPS, domain pointing (registroBR);
• Requirements elicitation and creation of use case diagrams, activity, classes in UML/Draw.io.