PORTFOLIO / 2026

Stanley
Sunday

Frontend Developer crafting digital experiences at the intersection of design, technology, and user experience.

Available for work
Remote
CURRENTLY
Senior Frontend Developer
@ Kiub
2024 — Present
FOCUS
ReactTypeScriptConvexNode.jsNextjsJavascriptZustandmono-repoReact QueryTailwind CSSCypressExpress.jssentryCSS3

Selected Work

2016 — 2024
2022

Senior Frontend Engineer

Talstrike (US, remote)

Designed and implemented scalable front-end architecture using Next.js, reducing code complexity by 20%. Spearheaded error-handling improvements for third-party APIs, achieving a 98% reliability rating. Developed interactive data visualization dashboards using Chart.js and D3.js, enhancing user insights and decision-making. Created a reusable component library with React and TypeScript, cutting development time for new features by 50%. Review and optimize code quality, mentor junior developers, and foster team growth.Integrate CI/CD pipelines for streamlined deployment processes, ensuring rapid feature delivery.

ReactTypeScriptNext.jsReduxCypressTailwind CSS
2019

Senior Frontend Engineer

The Elastic group. (UK, remote)

Engineered reusable components with React and TypeScript, reducing project timelines by 40%. Led the development of responsive, cross-browser applications, boosting user engagement by 30%. Integrated automated testing frameworks such as Cypress, increasing code reliability by 20%. Streamlined state management with Redux, improving data consistency and reducing bugs by 25%. Optimized application performance through code improvements and bundle size reduction techniques. Collaborated with cross-functional teams, ensuring timely delivery of milestones and high client satisfaction.

ReactTypeScriptNext.jsReduxCypressTailwind CSS
2017

Frontend Web Developer

UNITED BANK FOR AFRICA

Built user-centric interfaces using React and JavaScript, enhancing user satisfaction and retention. Developed SPA solutions with React-Router, optimizing navigation and workflow efficiency. Implemented responsive design principles, ensuring seamless functionality across devices. Leveraged RESTful APIs to fetch and display real-time data, improving operational efficiency. Applied TDD practices, using tools like Jasmine and Karma to maintain high code quality. Conducted performance audits to identify and address bottlenecks, ensuring a smooth user experience.

ReactReduxReact Query
2016

Junior Frontend Developer

HUAWEI TECHNOLOGIES

Developed front-end integrations with React.js, ensuring seamless client-side routing. Consumed and handled GraphQL and REST APIs, improving data accessibility and reliability. Designed intuitive UI/UX interfaces aligned with client specifications, enhancing usability. Utilized CSS animations and responsive design to deliver visually engaging applications. Conducted thorough testing to ensure cross-browser compatibility and performance. Collaborated with backend teams to integrate new features seamlessly into existing systems.

GraphQLREST APIsReact

Let's Connect

Always interested in new opportunities, collaborations, and conversations about technology and design.

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