June 2021 - Present

Software Developer at Efí Bank

Technologies used: Node.js, Express, Sequelize, MySQL, DynamoDB, Awilix, Socket.io, Multer, Redis, Memcached, Jest, SQS, SNS, S3 Bucket and PHP (Laravel).

Team Authentication and Communication

• Maintained a legacy system in PHP, incorporating geolocation and login rules
• Achieved up to a 30% decrease in server resource usage by applying efficient caching mechanisms and compression strategies across multiple features.
• Achieved a ~60% reduction in notification listing load time by optimizing database design and refining queries.

Team Conta Digital

• Developed a BFF for the web and mobile application, standardizing microservices responses to optimize performance.
• Implemented token-based authorization using Bearer Strategy in a legacy system.
• Implemented real time notifications using Socket.io and Redis Pub/Sub, using JWT authentication.
• Implemented a permission-based access control mechanism, using DynamoDB and Redis.
• Enhanced microservices for functionalities such as Pix, Permissions, and Salary Portability, while optimizing routes and file uploads.