Izaak Dias

Developed and scaled a web and mobile ride-hailing platform connecting drivers and passengers in real time, focusing on performance, reliability, and user experience. Reduced API response times by 40% by designing and maintaining scalable RESTful APIs using Node.js and Express. Improved frontend integration and UX by collaborating with developers to implement React and Angular components seamlessly. Optimized MongoDB schemas and aggregation pipelines, increasing query efficiency and reducing database costs by 30%. Implemented GraphQL to enable complex queries across relational (PostgreSQL) and non-relational (MongoDB) databases, simplifying data access and improving performance. Integrated Redis Streams for asynchronous messaging, enabling efficient, non-blocking processing of high-volume requests. Enhanced system performance and security through code optimization, monitoring, and enforcement of best practices. Streamlined deployments and reduced release time by 60% by contributing to automated CI/CD pipelines and testing workflows.