Work Experience
My professional journey as a frontend engineer, showcasing the companies I've worked with and the impact I've made.
Software Engineer - Web Platform
Tokopedia • Aug 2021 - Present
React
TypeScript
GraphQL
NodeJS
ExpressJS
MongoDB
Responsibilities
- • Maintained and developed features for Tokopedia Lite, Desktop Home, Recommendations, and Official Store platforms.
- • Built and optimized GraphQL and RESTful APIs, and implemented scalable frontend components using React.
- • Integrated backend services with external APIs such as JIRA, contributing to internal automation tools.
- • Mentored junior developers and conducted code reviews
Impact
- • Automated ticket generation via JIRA integration, helping reduce tech debt by approximately 20% across the Tokopedia monorepo.
- • Implemented GraphQL client-side cache storage in IndexedDB, reducing GraphQL response time by up to 10% under slow network conditions (lab data).
- • Revamped Tokopedia Homepage internal tools, reducing man-hours by 63.77% (from 120 to 40 hours) and human error occurrences by 68.75% (from 16 to 5) for the Growth Marketing team.
- • Reduced Cumulative Layout Shift (CLS) on Tokopedia Homepage Lite by 50% (from ~0.12 to 0.04, user data).
- • Decreased First Input Delay (FID) from ~90ms to ~70ms (user data) on Tokopedia Homepage Lite.
- • Improved overall home performance score by 10% (from 48 to 51, P75 Lab data) on Tokopedia Homepage Lite.