# Haihong Wang

> Software Engineer and Avid Learner

Location: Santa Clara, California, United States
Profile: https://flows.cv/haihong

I am highly self-motivated, fast-paced, innovative and highly versatile software engineer. Past experiences include critical development roles in various mission-critical and highly scalable widely-adopted products. Work effectively with product management, engineering management and engineering peers. Able to set product direction and guide product and features from infancy to customer adoption and maturity. 

Multiple hyper-growth (from pre-ipo to post-ipo or acquisition) startup (Tasmania, Data Domain, Facebook, Nimble Storage) experiences.

Extensive experiences in the following areas:
   * Design and implementation of SAN-based primary storage with data compression and deduplication (iSCSI/SCSI, flash/disk hybrid); @NimbleStorage
   * Design and implementation of NFS-based backup storage with data compression and deduplication; @DataDomain
   * Efficient caching storage design and implementation; @NimbleStorage @Cisco
   * Data corruption prevention/detection/troubleshooting; @NimbleStorage
   * Improve system failover and recovery timing for better availability; @NimbleStorage
   * Efficient and reliable data replication/migration; @NimbleStorage @DataDomain
   * Content delivery network; @Cisco
   * Building high-performance HTTP caching proxy from ground up; @Cisco @Facebook
   * HTTP protocol manipulation, filtering and various adaptations; @Cisco @Facebook
   * Performance evaluation, analysis, tuning, benchmark, development and optimization; @Cisco @DataDomain @NimbleStorage

## Work Experience
### Principal Engineer @ Rubrik, Inc.
Jan 2017 – Present | Palo Alto, CA
At Rubrik, I am in charge of NAS and host (Windows, Unix) backups.

I am also leading efforts to transform support/engineer troubleshooting experience and improve software quality.

### Member Of Technical Staff @ Nimble Storage
Jan 2012 – Jan 2017
I worked on many aspects of enterprise-level primary storage development.

### Software Engineer @ Facebook
Jan 2011 – Jan 2012 | Palo Alto, CA
Web Traffic Infrastructure engineering.

### Member Of Technical Staff @ DataDomain, Inc.
Jan 2005 – Jan 2011 | Santa Clara, CA
Technical leader of DataDomain networking group
  - In charge of 10G ethernet evaluation/adoption/performance tuning
  - In charge of all networking related features planning/adoption
  - High speed cluster interconnect design

Project leader of DataDomain replication group
  - Major contributor/designer of directory replication
  - Designer of data/replication migration
  - Architecture the next generation mtree replication

Other major contributions
  - Performance optimization of various systems (Linux kernel, filesystem cleaning, memory access/allocation, etc.)
  - NFS protocol, mount/submount

Patent pending "System and Method for Highly Reliable Data Replication"

### Technical Leader @ Cisco Systems
Jan 2000 – Jan 2005
I was in charge of Cisco Content Engine (web caching) product development.

HTTP protocol processing; HTTP protocol plugin interface design; Content Delivery Network; HTTPS/SSL proxy; RPC; etc.

### Member of Technical Staff @ Silicon Graphics
Jan 1998 – Jan 2000
Streaming media product development.


## Education
### Master in Computer Science
University of Wisconsin-Madison

### Bachelor in Computer Science
Fudan University


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

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