# Jeffrey Yip

> Engineer @ PlayStation

Location: San Francisco, California, United States
Profile: https://flows.cv/jeffreyyip

Software engineer experienced with building and designing scalable backend systems

## Work Experience
### Staff Software Engineer @ Sony Interactive Entertainment
Jan 2018 – Present | San Francisco Bay Area
Tech lead for Apollo GraphQL Federation data layer, responsible for:
• production deployments
• performance enhancements
• scaling architecture
• CICD automation
• infrastructure monitoring
• client onboarding
• expanding micro services

• Automated client team onboarding processes to reduce friction for adopting Apollo GraphQL backend service; reducing average deployment cycles by 35% per year.

• Ideated cross team initiative focused on surfacing key metrics to be upstreamed from React Native applications to global data warehouses; enriching machine learning and business intelligence teams with with defined data entities across 100+ micro applications.

### Principal Software Engineer @ Cloudcade
Jan 2017 – Jan 2018 | San Francisco Bay Area
Design and develop a cross-platform backend capable of supporting applications focused on massive social engagement and innovative multiplayer experiences.

• Proposed, designed, and developed backend platform utilizing AWS GameSparks, Lambda, and Fargate, minimizing DevOps costs by $500,000 annually.
• Collaborated with client engineering team to develop multiplayer online cross platform application using JavaScript, Node.js, Redis, and MongoDB.
• Automated and streamlined design-driven data pipeline using Jenkins, shortening development time by 30%.
• Designed and implemented data analytics pipeline using AWS Lambda and Redshift to improve projected user retention rates by 35%.

### Senior Software Engineer + Product Lead @ Kabam
Jan 2014 – Jan 2016 | San Francisco Bay Area
• Provided in depth expertise for designing and coding new content features for existing products utilizing JavaScript, Objective-C, Memcached, and SQL, increasing product revenue by $25,000 monthly.
• Managed engineering team of 5 using Agile method, fostering collaborative learning environment, reducing employee turnover by over 50%.
• Planned product roadmap based on user analytics from Tableau to exceed monthly revenue forecasts by over 100% for 2 full quarters.
• Transitioned new engineering team during company acquisition by teaching scalable backend architecture using PHP, Memcached, and MySQL, reducing projected transition time by 50% (from 4 months to 2 months).

### Senior Software Engineer @ Phoenix Age
Jan 2010 – Jan 2014 | San Francisco Bay Area
• Implemented and deployed new content features monthly using PHP, JavaScript, Objective-C, and jQuery to grow hit mobile game (Castle Age) on the iOS App store to annual revenue of $25 million.
• Overhauled backend infrastructure of live application using data-driven architecture, improving loading times by 20%.
• Performed code reviews for team members to optimize for scalability using Phabricator and pair programming which increased feature development velocity by 25%.
• Injected performance and load tests to identify underutilized servers with Linux cron jobs and shell script, minimizing server costs by $20,000 annually.

### Software Engineer @ NthSocial Inc.
Jan 2009 – Jan 2010 | San Francisco Bay Area
• Implemented modular API system to harvest content from social networks with public API using PHP, achieving 20% increase in data user analytics inflow.
• Performed daily QA smoke testing to resolve bugs with PHP and Excel, reducing operating costs by $80K annually.


## Education
### Bachelor of Science (BS) in Finance
San José State University


## Contact & Social
- LinkedIn: https://linkedin.com/in/jeffyip7

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Source: https://flows.cv/jeffreyyip
JSON Resume: https://flows.cv/jeffreyyip/resume.json
Last updated: 2026-03-31