Senior Frontend Engineer at Pret (pret.co.uk)

Lead frontend engineer building and maintaining a shared component library (Storybook) and private repos used across Pret's global sites; developed responsive, fast, accessible web apps with React/Next.js/TypeScript; migrated cookie consent facility; ran A/B tests with Webtrends; managed marketing/tracking with GTM; integrated Contentful CMS and Auth0; monitored site health with Datadog and GCP; authored documentation; contributed to market launches including Pret USA (Dallas).

Front End Engineer at Ruangguru (CRM)

Contributed to CRM system scaling to 30M+ active users; built interactive employee timeline with Chart.js; improved performance/UX of a Trello-like task board with real-time sync; aided Google Drive-style document system with real-time updates; translated Figma designs into frontend code with React.js/Next.js/TypeScript.

Software Engineer at Freelance

Automated user input from scanned papers using Python; optimized image processing with OCR and detection; developed landing pages, user management, and event management apps; built an inspection application for a private company.

Front End Engineer at Cycle.app

Redesigned home screen with improved navigation; implemented Lottie animations for checkout; contributed to a collaborative workspace platform with improved support UX.

Mobile Engineer at Flip.id (Flip Mobile)

Maintained and enhanced UI/UX for Alfamind mobile app; improved home screen performance; collaborated with backend and design teams to ensure smooth UX prior to launch.

Mobile Engineer at Meteor Innovations Digital (Alfamind)

Full-stack mobile development; delivered cross-platform experiences focusing on performance and stability (Alfamind).

Full Stack Engineer at PT. Comtelindo

Built and maintained KlikCoaching learning platform; developed JavaScript-based university applications; created web databases using MongoDB/GraphQL; improved speed and usability across platforms.