# QIAN (Channing) DONG

> Software Engineer at LinkedIn|ex-Apple

Location: Cupertino, California, United States
Profile: https://flows.cv/qianchanningdong

- Programming Language: Java, C/C++, Rust, SQL/NoSQL.
- Domain Specialty: Distributed system, streaming/offline data process, API design, doc ranking, data retrieval/storage. 
- Tech-Stacks: Apache Kafka, Spark, Hadoop, Avro, AWS, gRPC, MySQL, RocksDB, DynamoDB, Caffeine, Redis.

## Work Experience
### Staff Software Engineer @ LinkedIn
Jan 2022 – Present | Sunnyvale, California, United States
- Develop LinkedIn’s large-scale backend main feed service, including feed data ingest, ETL process, store and serving. 
- Implement indexing system to partition user activities and ML/AI related tensor features into distributed persistent DB. 
- Leader of the distributed feed data cloud storage service to achieve high availability, low latency and fault tolerance.
- Key collaborator with feed AI/relevance teams on query ranking system to provide personalized feed recommendations.

### Senior Software Engineer @ Apple
Jan 2015 – Jan 2022 | Cupertino, California, United States
- Launch metrics collection and monitoring software platform for iPhone/iPad/Apple Watch massive manufacturing line. 
- Productize the flexible factory bulky data indexing and aggregation service to cut down Apple OPS team business cost.
- Innovate a real-time data exchange system to provide immediate alert to streamline operation efforts and R&D cost.
- Lead the data-driven product specific cross-functional R&D teams meeting to improve products hardware performance.

### Embedded Software Engineer @ Qualcomm
Jan 2013 – Jan 2015 | San Diego
- Supported Qualcomm chipset customers by implementing customized software driver for 3rd party cellphone OEMs.
- Participated in the development of Qualcomm GUI software automation tool for 3rd party cellphone OEMs.
- Hosted Qualcomm technology seminars for customers, prepared official Qualcomm technology documents and memos.


## Education
### Master of Science (M.S.) in Electrical Engineering and Computer Science
UC Irvine

### Bachelor of Science (B.S.) in Electrical Engineering and Computer Science
Nanjing University of Science and Technology


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

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Source: https://flows.cv/qianchanningdong
JSON Resume: https://flows.cv/qianchanningdong/resume.json
Last updated: 2026-04-12