Yi Sheng (Aaron) Ong

Qualified

San Francisco

Senior Software Engineer: Product & Data

Nov 2020 (Series A) - Present (Series C)

Data Products Lead Led standups, project planned, and developed our data and analytics product suite, which included website visitor reports, customizable dashboards, and a metrics API.
Qualified Signals Launched and interated on 'Qualified Signals', a sales intent tool that processes real-time session data and third-party sources to assess the interest level of potential customers over time. Productizing these scores through actionable insights via in-app visualizations and Salesforce CRM updates contributed to an additional X million in contract revenue.
Postgres Sharding Implemented a sharding mechanism in our Postgres architecture, introducing horizontal scaling to accommodate both current and future workloads.
Clickhouse DB Integrated Clickhouse, an OLAP DB, as the first component of our tech stack on an AWS environment via Amazon EKS, and was deployed using AWS CDK. Further, designed and implemented an ETL pipeline for data transfer from Postgres to Clickhouse and migrated our original Postgres queries to Clickhouse, thereby enhancing query performance and data management. This strategic move improved our infrastructure's scalability and analytical capabilities. Contributed to ClickHouse Open Source.
Quality & Observability Introduced initiatives, such as bi-monthly 'Quality Weeks', focused on improving product and code quality. Integrated Datadog into our observability stack, enriching our metrics collection capability with 2k+ emitted metrics.

Airbnb

San Francisco

Software Engineer: Hosts, Referrals

July 2019 - Nov 2020

Dynamic Content Serving Led a team of two other engineers to implement a dynamic content serving platform, facilitating over ten content adjustments and tests, which led to a 2% increase in created listings.
Referral Bonus Campaigns Engineered a system for scheduling targeted referral bonuses, enabling non-technical staff to manage bonus campaigns.
Collaborative Listing Flow Developed a collaboration tool for listing flow that mimics the basic features of Google Docs.

Software Engineer Intern: Hosts, Listing Flow

May 2018 - Aug 2018

List Your Space Enhanced user experience by creating a seamless transition from web to mobile application in the listing flow process.

Yelp

San Francisco

Software Engineer: External APIs

May 2017 - Aug 2017

Biz Data API Developed Yelp partner business metrics APIs. Access was sold for \$\$

HMC Computation Biology Lab

Claremont, CA

Researcher

May 2016 - Feb 2017

Paper Author First author of a species-gene tree reconciliation algorithm that was published in the IEEE journal.