renzpatdu

Designed and developed a private proxy system akin to Ngrok, improving security and reducing monthly operational costs by $65K. Led the migration of a SaaS platform from LAMP to MERN stack, reducing latency by 40% and boosting database efficiency by 20%. Built a QR code-based authentication system to enhance internal security protocols. Developed 200+ RESTful APIs using Express.js, ensuring seamless microservice communication and data consistency. Achieved 90%+ code coverage with Jest unit tests, significantly improving system reliability and maintainability. Implemented Redux and Redux Saga for efficient state management in frontend applications built with React.js.

Developed scalable security solutions for analyzing vulnerabilities in mobile and Windows applications. Built microservices using NestJS and Express.js (TypeScript), leveraging AWS and MongoDB Atlas for high availability. Engineered backend services in Python for automated mobile application analysis on virtual devices, transferring risk assessment data for processing. Designed API interfaces with Express.js, developing 80+ RESTful APIs and integrating GraphQL to enhance frontend performance. Implemented TDD practices with Mocha and Jest, achieving 90%+ test coverage to improve code quality and system stability. Automated deployments using Docker and CI/CD pipelines via AWS CodePipeline and CodeBuild, reducing deployment time by 50%.