# Tianyu H.

> Senior Engineer at Apple | Innovating Data Platforms | Expert in Large-Scale Ingestion & Querying Systems

Location: San Mateo, California, United States
Profile: https://flows.cv/tianyuh

Software Engineer at Data Infrastructure team at Lyft. Focus on Presto/Trino Infra, Trino ETL, and Druid.

## Work Experience
### Senior Software Engineer @ Apple
Jan 2022 – Present | Cupertino, California, United States
Driving core Data Platform initiatives across Apple’s Lakehouse ecosystem, including:
- Large-scale streaming and ingestion systems
- Self-service ingestion management platforms
- Data quality services ensuring reliability across analytics
- Scalable Trino query infrastructure serving thousands of users
- AI-enabled systems powering petabyte-scale analytics

### Software Engineer @ Lyft
Jan 2019 – Jan 2022 | San Francisco Bay Area
Software engineer - Data Infrastructure

- Building infrastructure around OSS query engine/database like Trino and Druid
- Own and lead upgrading Trino to Tier-1 service with over 400k queries per day across Lyft.
- Own and lead the Druid service at Lyft.

### Software Engineer @ Petuum, Inc.
Jan 2018 – Jan 2019 | Greater Pittsburgh Area
- Worked at Production Line team and mainly focused on building backend AI solutions for industrial customers.
- Designed and implemented real-time data pipelines with integrated ML models using Pulsar
- Built ETL pipeline and automated tools to load data from the OSIsoft PI System to PostgresDB

### Software Engineer Internship @ Alibaba Group
Jan 2017 – Jan 2017 | Hangzhou, Zhejiang, China
- Worked at Algorithm and Engine Team, building data models and website for online Q&A on healthcare.

### Research Assistant @ Zhejiang University
Jan 2014 – Jan 2016 | Hangzhou, Zhejiang, China
- Worked with healthcare informatics group to utilize machine learning technics to analyze medical information.


## Education
### Master’s Degree in Electrical & Computer Engineering
Carnegie Mellon University

### Bachelor's degree in Biomedical/Medical Engineering
Zhejiang University


## Contact & Social
- LinkedIn: https://linkedin.com/in/tianyu-hong

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Source: https://flows.cv/tianyuh
JSON Resume: https://flows.cv/tianyuh/resume.json
Last updated: 2026-04-05