Frontend Developer at Usiku Entertainment Limited (2024-05 – 2026-03)
Architected and maintained a scalable, mobile-first Next.js/TypeScript application serving 300+ daily active users with fully responsive interfaces and consistent cross-browser compatibility.
- Architected and maintained a scalable, mobile-first Next.js/TypeScript application (Usiku Beats) serving 300+ daily active users, delivering fully responsive interfaces across desktop, tablet, and mobile with consistent cross-browser compatibility
- Reduced initial page load time by 40% (from 5s to 3s) by implementing lazy loading, image optimization, and efficient state management with Zustand, directly improving user retention and Core Web Vitals scores
- Designed and built a payment integration system using Xsolla API and Django REST Framework, developing checkout flows, webhook processing with idempotency, transaction logging, and multi-currency support for in-app purchases
- Developed RESTful API endpoints with JWT authentication for artist profiles and content management, collaborating with backend developers to validate endpoint contracts, resolve data formatting issues, and ensure secure API interactions
- Built an internal testing environment for level designers with rewind and fast-forward features, streamlining QA workflows and reducing level iteration time across the team
- Wrote unit and component tests using Jest and React Testing Library for critical UI features; conducted manual end-to-end, performance, and cross-platform testing using BrowserStack and physical iOS/Android devices
- Created and maintained technical documentation including component guides, environment setup procedures (Windows/macOS), and a Notion-based QA workflow with standardized bug report templates and severity classifications, improving defect traceability across frontend, backend, and design teams
Game Tester at Electronic Arts (2023-09 – 2024-04)
Delivered structured functional and localisation testing for Tales of Kenzera: Zau, identifying and documenting 100+ bugs with detailed reproduction steps and severity ratings.
- Delivered structured functional and localisation testing for Tales of Kenzera: Zau, identifying and documenting 100+ bugs with detailed reproduction steps, severity ratings, and environment specifications, meeting enterprise QA standards equivalent to Jira-based defect workflows
- Achieved a sub-2% error rate across 500+ Swahili audio lines by performing meticulous script review and communicating cultural and linguistic nuances to the development team, ensuring localisation quality across a shipped title
- Collaborated with cross-functional engineering, design, and QA teams using Jira for bug tracking and Confluence for documentation; participated in daily standups and sprint retrospectives to maintain quality alignment and timely delivery
- Validated post-fix builds across multiple platforms, confirming defect resolution and platform compliance before release, applying the same regression discipline relevant to CI/CD-driven frontend release workflows
Frontend Developer at FundizShop (2021-05 – 2022-08)
Delivered a complete UI redesign using Angular, translating Figma specifications into pixel-accurate, production-ready interfaces resulting in 25% improvement in user satisfaction scores.
- Delivered a complete UI redesign using Angular, translating Figma specifications into pixel-accurate, production-ready interfaces through iterative design collaboration, resulting in a 25% improvement in user satisfaction scores
- Built responsive, accessible interfaces using Angular component architecture with CSS Flexbox/Grid, ensuring visual consistency and design system compliance across desktop, tablet, and mobile breakpoints
- Resolved API integration issues by partnering with backend developers to validate endpoint contracts, debug data formatting inconsistencies, and optimise request/response flows for customer-facing features
