William Opio
Skills
Timeline
Professional experience for William Opio
- Current 4 years and 2 months, since Mar 2022
Frontend Developer
Tunga
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.
Languages
English
German
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