# Joni Li

> Software Dev Principal Engineer at SonicWall

Location: San Jose, California, United States
Profile: https://flows.cv/jonili

Accomplished Senior Software Engineer eager to leverage expertise and progressive success developing commercial products in the cloud, as well as through data analysis. Career progression spans software/design, cloud application development, and large volume data management. Champions improvements and innovations with a focus on developing flexible, and scalable solutions. 
Functional and technical expertise attained through years developing cloud applications on Amazon Web Services. Extensive experience developing algorithms for data enrichment and analysis, predictive modeling, pattern recognition, machine learning, and information retrieval. Highly skilled at designing large volume data with scalable reliability.

## Work Experience
### Software Dev Principal Engineer @ SonicWall
Jan 2020 – Present | Milpitas, California, United States
SonicWall delivers Boundless Cybersecurity for the hyper-distributed era in a work reality where everyone is remote, mobile and unsecure. SonicWall safeguards organizations mobilizing for their new business normal with seamless protection that stops the most evasive cyberattacks across boundless exposure points and increasingly remote, mobile and cloud-enabled workforces. By knowing the unknown, providing real-time visibility and enabling breakthrough economics, SonicWall closes the cybersecurity business gap for enterprises, governments and SMBs worldwide. For more information, visit www.sonicwall.com or follow us on Twitter, LinkedIn, Facebook and Instagram.

### Chief Software Developer @ Reach Analytics (acquired by Data Decisions Group)
Jan 2015 – Jan 2020 | Mountain View , CA
Lead role designing and implementing a Cloud Platform for Big Data Enrichment. Provided and maintained predictive solutions for B2C companies enabling business users to accurately identify new market leads with detailed profiles and precisely score clients. 
Sole contributor, developing native core engines for modeling and scoring. The modeling engine automatically builds predictive statistics models in supervised learning with any large volume commercial data – up to 60 million records with up to 700 variables.  
Select Accomplishments:
	Revamped old consulting predictive model in order to offer a cloud application solution for the current market, transitioning to the self-service predictive model.
	Developed native core predictive modeling engine, including multiple algorithms such as classification, linear/nonlinear regression and Monte Carlo methods, etc.; high-performance core engine written with multithreading Window C++.
	The improved customer wait time from one or two weeks to receive a model to a return of 30 minutes online model build.  
	Developed a back-end Java server to process large volume data for a cloud application, including data cleaning, matching, deduping, sampling, sorting, and query from Cassandra to prepare data for building look-alike and response models.  
	Utilized multithreading, Java data structure to achieve high performance, efficient memory usage for handling large-scale data of up to 130 million records; implemented on Spring Framework, JUnit, and Maven on AWS cloud platform.
	Provided overall leadership to the entire software development product life cycle, including product specification definition; designing and implementing new features; GUI upgrades; managing the software release process; developing test plans, performing testing, preparing test reports; analyzing product performance and release scheduling requirements; and preparing appropriate PLC documentation.

### Software Consultant @ ShowKit
Jan 2014 – Jan 2015 | Los Angeles, CA
Providing companies and mobile app developers with the tools to build the next generation of support into their mobile apps, connect mobile users with companies’ support agents through our high quality video chat, and screen sharing and co-navigation solutions

### Sr Lead Engineer, Software @ LifeSize, a division of Logitech
Jan 2010 – Jan 2014 | Newwark, CA
Design and develop cloud based video conferencing software (LifeSize Connection™), which is a fastest way to add and extend HD video collaboration to business, enabling secure immersive communication between meeting rooms and desktops/mobile devices through a revolutionary cloud-based platform.


## Education
### M.S. in Computer Science
Montana State University-Bozeman

### M.S. in Physics
Montana State University-Bozeman

### B.S. in Physics
Zhongshan University


## Contact & Social
- LinkedIn: https://linkedin.com/in/joni-li-2171336
- Portfolio: http://reachanalytics.com/

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