Yehezkiel Gunawan's Resume

Yehezkiel Gunawan

Mainly work in React & Typescript Ecosystem as a web engineer.

Bogor, West Java, Indonesia

About

Web developer specializing in high-performance React applications and scalable Node.js services, with hands-on experience in deployment pipelines and infrastructure. Experienced in technical architecture design, real-time collaboration systems, and remote/hybrid team leadership.

Work Experience

OLX (Member of Astra)

2024 - Present

Frontend Developer (PWA)

Mainly involved in the Platform team, which is responsible for building and maintaining the core platform of OLX.
  • Improved the build time of its web app by 50%.
  • Increase the coverage of unit tests to 70%.
  • Increased the traceability of the web app by integrating the web app to Google Analytics and Datadog.
  • React
  • Next.js
  • Node.js
  • Express.js

Katalis.ai

Feb 2024 - Aug 2024

Frontend Engineer (Founding Engineer)

Involved as one of the founding engineers in building a platform for AI-powered for copywriting and content generation for ecommerce businesses.
  • Improved the e-commerce seller productivity by 25% through the AI automation tool feature.
  • Indirectly helped the company to secure a $150,000 seed investment round from Iterative.
  • React
  • Next.js
  • Node.js
  • Typescript

Bobobox

2022 - 2024

Frontend Engineer

Involved as one of frontend engineer team member in building a platform for order management system for Bobobox`s hotel chain.
  • Successfully revamped the newest Bobobox main web app which has more than 10.000 weekly access.
  • Achieved 10% improvement in user retention rate through revamping the user experience of the web app.
  • React
  • Next.js
  • Node.js
  • Typescript

MacroAd

2020 - 2021

Frontend Engineer

Mainly involved in building KAI Access App for PT. KAI as the client.
  • Developed the first version of the KAI Access App made using Ionic and Angular.
  • Achieved 10 million downloads on Playstore.
  • Angular
  • Ionic
  • Javascript
  • Node.js

JULO

Jun 2019 - Sept 2019

QA Engineer Intern

Mainly involved in building the automation testing framework using Robot Framework.
  • Optimized the repetitive end-to-end testing process by 50% through the automation testing development.
  • Concurrently worked as a Support Engineer to find and forward the bugs or issues to the developer.
  • Robot Framework
  • Python

Education

Multimedia Nusantara University

2016 - 2020
Bachelor's Degree in Informatics

Binus University

2022 - 2024
Master's Degree in Information System Management

Most Used Tools

  • Javascript
  • Typescript
  • React
  • Next.js
  • Node.js
  • Express.js
  • GraphQL
  • Git
  • No SQL
  • BaaS
  • Tailwind CSS
  • Python

Projects

OLX Site

A web app for OLX Indonesia, a marketplace for buying and selling 2nd products, especially for automative products.

  • React
  • Express.js
  • Node.js
  • Javascript

Bobobox Web App

A web app for Bobobox, a hotel chain in Indonesia that provides a capsule hotel.

  • Next.js
  • Tailwind CSS
  • Node.js
  • Typescript

Katalis.ai

A web app for Katalis.ai, a platform for AI-powered copywriting and content generation for ecommerce businesses.

  • Next.js
  • Chakra UI
  • Node.js
  • Typescript

KAI Access

A mobile app for PT. KAI, a state-owned railway company in Indonesia to book train tickets by using mobile app.

  • Ionic
  • Angular
  • Node.js
  • Typescript

Master's Thesis Research Paper

A research paper for my master's thesis about the Indonesian user feedback dataset of capsule hotel experiences and its risk classification using machine learning.

  • Python
  • Machine Learning
  • Data Science