Isaias Kidane

Full Stack Javascript Developer @Comcast

Design and maintain scalable web applications using React.js, Node.js, and MongoDB, enhancing performance and user experience with efficient component structures and lazy loading, resulting in a 25% improvement in load times.• Build and integrate RESTful APIs and third-party services with Express.js and Fetch API, reducing data fetch latency by 30% and ensuring seamless frontend-backend communication.• Leading ongoing migration of legacy front-end code to Angular 12, applying RxJS Observables and modular design patterns to improve application responsiveness and reduce UI defects by 40%.• Develop and maintain automated testing suites using Cypress, Jest, and Playwright, achieving 90%+ test coverage and minimizing production bugs by 35%.• Collaborate in a Scrum-based Agile environment, actively participating in sprint planning, daily stand-ups, and code reviews to ensure 95% on-time feature delivery.• Deploy full-stack applications on AWS using Docker and Jenkins CI/CD pipelines, reducing deployment time by 60% and increasing release frequency without downtime.• Implement secure authentication and authorization mechanisms using JWT and Passport.js, supporting internal compliance requirements and strengthening system access control.• Mentor 3 junior developers through weekly code reviews and pair programming, promoting best practices and reducing post-deployment incidents by 20%.