William Opio

Result-oriented software developer with a strong foundation in frontend and backend technologies, specializing in React, JavaScript, and scalable web application development. Transitioning from a successful career in civil engineering, I leveraged my analytical and problem-solving skills to build a proven track record in delivering high-performance software solutions. With expertise in clean code principles, test-driven development (TDD), and CI/CD workflows.

Developed CodePlay’s E-Learning Management System using JavaScript and React, implementing features like authentication, resource search, bookmarks, and recommendations, with Node.js for backend development. Built responsive, SEO-optimized, and accessible web pages using semantic HTML and CSS, ensuring cross-browser compatibility and adherence to accessibility standards. Conducted thorough testing for consistent functionality across devices.