Joshua Osagie

• Led frontend development for fintech products serving 5,000+ users.
• Established reusable component patterns with Storybook and MUI, reducing development time by 70%.
• Introduced Cypress-based end-to-end testing, improving the QA cycle by 40%.
• Led migration and modernization of frontend state management using Redux Toolkit and React Hooks.
• Improved application performance, achieving 95+ PageSpeed scores across key experiences.
• Improved accessibility across the platform in line with WCAG 2.1 guidelines.
• Collaborated with product, design, and backend teams to deliver and maintain production features.

• Developed and maintained production web applications using React and modern TypeScript tooling.
• Built data-driven interfaces with React Query and reusable component systems using ShadCN.
• Worked across frontend and backend concerns to deliver and maintain product features.
• Built interactive 3D experiences and visual interfaces using Three.js.
• Resolved 20+ critical UX issues within agreed SLAs, improving product reliability and user experience.

• Rebuilt the company's agrotech frontend using Vue, Tailwind CSS, and PWA technologies.
• Delivered the initial beta product within three months.
• Reduced backend load by 80% through caching, on-demand data fetching, and request deduplication.
• Built responsive and mobile-friendly interfaces for the product's core workflows.

Miva Open University · Nigeria