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Ken User

@kenuser13

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Senior Frontend Engineer at Bucksense who improved booking-site Lighthouse performance from 31 to 86.

Brazil

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What I'm looking for

I’m looking for work where I can solve complex problems, simplify systems, and help teams ship better software.

At Bucksense, I work on booking platforms for Abercrombie & Kent and Cox & Kings, building with React, Next.js, and TypeScript. I implemented a multi-tenant dashboard where guests and travel agents can manage bookings.

I improved performance across both sites through code splitting, lazy loading, responsive images, and server rendering. The Abercrombie & Kent homepage's Lighthouse score rose from 31 to 86.

At Cognyte, I built monitoring dashboards for large datasets and contributed shared components to the design system. I also developed micro-frontend features and a federated search experience, writing tests alongside features and helping ship eight production releases.

At Epanel, I led the frontend revamp of a global esports platform affiliated with Ubisoft, translating a new design direction into a responsive experience. I’m interested in solving complex problems, simplifying systems, and helping teams ship better software.

Experience

Work history, roles, and key accomplishments

Current

Senior Frontend Engineer

Current

Bucksense

Jul 2024 - Present (2 years 4 months)

Worked on two high-traffic, SEO-critical booking platforms for luxury travel brands, built on the Next.js App Router. Implemented a multi-tenant booking dashboard, improved page performance, and designed custom content models in a headless CMS.

Next.js React TypeScript NodeJS Sanity CMS Redis Jest Playwright Code Splitting Lazy Loading PM2 Performance Monitoring

Frontend Developer

Cognyte

Nov 2021 - Jul 2024 (2 years 8 months)

Built dashboards for a monitoring product with large datasets, contributed to a design system, and delivered micro-frontend features controlled by feature flags. Implemented a federated search feature and map drawing tools, and shipped 8 production releases.

React TypeScript Micro Frontends Feature Flags Test Driven Development Agile Docker Design Systems Federated Search Map Drawing

Frontend UI Developer

Epanel

Jan 2021 - May 2021 (4 months)

Led the frontend revamp of a global esports platform affiliated with Ubisoft, translating a new design direction into a modern, fully responsive experience.

React Redux Next.js SASS TypeScript Figma