# Wei Wang

> senior software engineer

Location: San Francisco Bay Area, United States
Profile: https://flows.cv/weiwang

Innovative and highly motivated senior software engineer with 10+ years of experience including developing applications and large-scale projects on windows and Linux platforms, designing and building distributed systems with highly scalable and low latency.
Adept code developer, ensuring intended outcomes through advanced testing, troubleshooting, and debugging.
Proficient in C++, Java, Relational database, NoSql databases, and other leading-edge technologies. Achieved complex objectives by analyzing systems, resolving issues, and facilitating exceptional end-user experiences.

Technology Stack

C; C++; Java; Python; Shell Script; Linux; TDD; Scrum;
Mysql; MongoDB; LevelDB; Memcached;Tomcat; Apache; LVS; HAproxy; KeepAlived;
Vim; GDB; gperftools; Eclipse; VSStudio; UML; Git;  SVN;  Log4j; ActiveMQ;Canssandra;Kafaka

## Work Experience
### Staff Software Engineer @ Grid
Jan 2023 – Present | San Francisco Bay Area

### Senior Software Engineer @ PayPal
Jan 2015 – Jan 2023 | San Jose, California, United States
Aug 2018 - Present (Full time) Senior Software Engineer
Oct 2015 - Aug 2018 (Worked as a backend Engineer at client PayPal, employed by Renovite Technologies Inc) 

• Responsible for designing and developing PayPal global distributed core payment RESTful services with 
   low latency, highly available, and scalable.  
• Decompose PayPal payment service from the monolithic legacy stack to the microservices millennium stack.
• Develop new features and integration, is responsible for ACE payment services code release.
• Design and implement data storage solutions for high-volume payment data.
• Payment framework enhancements for supporting money movement/transaction processing.
• Troubleshoot and debug live issues in PayPal payment services.
• Mentor and coach new engineers to help them ramp up and grow their technical breadth and depth.

### Senior Software Engineer @ SHANGHAI GREAT WISDOM NETWORK TECHNOLOGY CO LTD
Jan 2012 – Jan 2014 | Shanghai, China
China’s largest financial data provider. 
• Headed company data channel design and development, which is for storing focused financial data,  
   publishing them to all client software productions, and handling different data requests from all client 
   applications with multiple threads for processing. 
• Performed detailed testing, promoting quality assurance and exceptional outcomes.
• Enabled error-free data processing and data integrity.
• Utilized LVS and Keealived on deployment to achieve the data node’s load balance while avoiding single-point problems.


## Education
### Master's Degree in Computer Science
Maharishi International University

### Bachelor's degree in Computer Science
Zhengzhou University of Light Industry


## Contact & Social
- LinkedIn: https://linkedin.com/in/wei-wang-b172a4b0

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Source: https://flows.cv/weiwang
JSON Resume: https://flows.cv/weiwang/resume.json
Last updated: 2026-04-01