Hartanto Thio

Hartanto Thio

Developer

Resume

Experience

2022 - Present
Zip (ziphq.com)

Senior Software Engineer

  • Collaborates closely with Engineers, Designers, and Product Managers from scoping feature requests to releasing them to our customers — in the process, also works with the QA team in bug bashes and formulating the test cases for the features
  • As the only FE in the Payment team, refactored a lot of the components to be easier to use by other engineers
  • Participates in on-call rotation to ensure the stability of our product and providing supports to our customer support team
  • Contributes to the Zip FE's effort in mentoring non-FE engineers, by establishing FE office hours, creating documentation around best practices, modernizing the core library, and deprecating old components
2019 - 2022
Confluent

Staff Frontend Developer / Tech Lead

  • Managed the corporate website, confluent.io, and Confluent Developer hub, developer.confluent.io; also provide support for other websites, including but not limited to Apache Kafka official website and Kafka Tutorials (merged with Confluent Developer)
  • As the first frontend hire in the team, helped scale up the team to 6 frontend developers and build an engineering culture
  • Spearheaded the tech stack migration from a monolithic WordPress application to a Single Page Application (SPA) using the Gatsby, a React-based framework, leading to an over 45% improvement in page load time
  • Supported the brand redesign project by revamping website with new typography, logo, color schemes, and full redesigns on key landing pages, leading up to the company’s Initial Public Offering (IPO)
  • Implemented and maintained fully automated CI/CD pipeline for code deployment using Netlify and Semaphore
  • Integrated WebPageTest performance test and reporting in pull-request build, focusing on Core Web Vital and Lighthouse scores
  • Implemented unit, snapshot, and end-to-end testings using Jest and Cypress
  • Evaluated, prototyped, and migrated existing content to a new Content Management System, Contentful; and led the effort for system adoption by conducting training with various stakeholders
  • Created high-level designs and documents around CI/CD system, on-call duty, release process, and onboarding documents
  • Collaborated closely with cross-functional teams in Marketing, from Design, Product Marketing, Growth, and Data Science teams, on initiatives focusing on growing the cloud business through A/B testing and improving data reporting
2017 - 2019
Yahoo Search

Software Engineer

  • Spearheaded the development of SPA, used internally by engineers, editorial, and product to build search experiences end-to-end; from setting up backend data sources to the rendering of the component itself
  • Improved the efficiency of creating new search experience by over 50%, which led to faster turnaround time
  • Implemented and enhanced the SPA codebase to allow internal users to create rule-based triggering configurations
  • Collaborated with cross-functional teams to work on various experimentations focusing on growing users and improving UX
  • Supported our customers and continuously engaged in a feedback loop process where we collect, prioritize, and address feedbacks to further improve their experience in using the application
2016 - 2017
Beepi

Senior Frontend Developer

  • Contributed to site refresh, collaborated with design, as well as tech stack migration, from .NET + Angular to Node.js + React
  • Contributed to the implementation of new API, focusing on improving page load time
  • Trained other engineers to build features with React/Redux
  • Implemented reusable/customizable components that are used across website
2013 - 2016
Yahoo Search

Frontend Developer

  • Contributed to achieving quarterly revenue goals by implementing various experiments, which led to production launches
  • Contributed to CI/CD effort by integrating testing framework into the SearchFE platform
  • Monitored the deployment pipelines and ensured that deployments succeed without any problems
  • Collaborated with cross-functional teams to launch the new design across all international markets

Education

2009
Texas A&M University

B.S. Computer Science

Industry Affiliates Program (IAP) scholarship recipient from 2007 - 2009

Skills

  • JavaScript
  • PHP
  • HTML
  • Java
  • React
  • Redux
  • Apollo
  • Gatsby
  • Next
  • Remix
  • Laravel
  • Phalcon
  • CodeIgniter
  • jQuery