# Yan Fei Ng > SWE @ Affirm Location: San Mateo, California, United States Profile: https://flows.cv/yanfeing I love learning new technology and diving deep into solving challenging problems When I’m not working, I enjoy basketball, video games and hanging out with my Corgi ## Work Experience ### Software Engineer II @ Affirm Jan 2025 – Present | United States Trust and Safety Foundation, Consumer Authentication ### Software Engineer @ Apple Jan 2024 – Jan 2025 | San Francisco Bay Area AIML Evaluation platform for Apple Intelligence ### Software Development Engineer II @ Amazon Jan 2024 – Jan 2024 | Greater Seattle Area Improving the shopping foundation for Amazon.com ### Software Development Engineer @ Amazon Jan 2022 – Jan 2023 | Greater Seattle Area Amazon Warehousing and Distribution(AWD) ● Implemented AWS Lambda package using Java to process warehouse notifications for downstream consumption and update the DynamoDB with the DAO Layer ● Implemented modules using Core Java APIs, Java collection, and Dagger 2 for dependency injection ● Achieved 99% code testing coverage across packages using JUnit 5 and Mockito ● Implemented AWS Lambda package using Java to process warehouse notifications for downstream consumption ● Led the design of the Data Reconciliation workflow for maintaining data integrity between systems ● Maintained provenance of data by storing processed warehouse notifications from SQS in DynamoDB ● Implemented and tested Alarm Actions on AWS Cloudwatch to cut tickets for on-call ● Mentored new team members and transferred knowledge by conducting weekly sessions ### Software Engineer @ MyFitnessPal Jan 2021 – Jan 2022 | San Francisco Bay Area Web Team ● Consolidated Ember.js and Ruby web applications to use Next.js to achieve server-side-rendering ● Implemented responsive designs by using Material UI V5 and breakpoints ● Collaborated with the Backend and Design Team to envision and build the next-generation MFP Web Application ● Ensured code performance by writing unit tests with Jest ● Communicated with mock and production API by constructing React Query ● Deployed components with Kubernetes and monitored production using Datadog ### Tesla Advisor @ Tesla Jan 2019 – Jan 2020 ● Managed and closed hundreds of customers in the sales pipeline effectively ● Personalized every test drive experience and simplified technical information for better customer experience ● Generated new leads by phone calls, emails, as well as engaging in walk-in traffic ● Educated customers in a consultative approach in different aspects, such as finance and benefits of owning an electric vehicle ## Education ### Bachelor's degree California State Polytechnic University-Pomona ## Contact & Social - LinkedIn: https://linkedin.com/in/yanfeing --- Source: https://flows.cv/yanfeing JSON Resume: https://flows.cv/yanfeing/resume.json Last updated: 2026-04-11