Hello, I'm
Cornerstone Ephraim.
Your goto frontend engineer. I’ve worked across startups and large teams, contributing to design systems, building reusable UI components, and automating testing pipelines to keep products stable and scalable. Whether collaborating with designers, mentoring peers, or debugging late into the night, I enjoy solving problems that make interfaces feel effortless.
Recent experiences
Frontend Engineering Intern @ Moniepoint Inc
May 2024 - Oct 2024
Contributed to Kamona UI Library by implementing reusable components and ensuring design consistency across the frontend team. Built and executed Playwright test suites for Moniepoint FX, validating user flows and ensuring seamless experiences. Collaborated closely with designers on usability and accessibility standards, and reported/fixed bugs uncovered during testing.
Frontend Engineer @ Pysis Technologies
Nov 2023 - Apr 2024
Built and maintained key modules such as store management, product categories, and user profiles using ReactJS + Zustand. Integrated REST APIs with Axios for seamless data flow, styled responsive interfaces with TailwindCSS, and debugged complex issues to improve stability. Contributed actively to code reviews and team discussions.
Frontend Developer @ Stutern
Apr 2022 - Jun 2022
Led a complete overhaul of the main landing page with HTML and CSS. Redesigned the graduate accelerator page by integrating custom illustrations for accelerator tracks and updating curriculum content. Converted Figma mockups into functional, user-friendly pages, improving usability and clarity.