FZ

Work Experience

Professional Experience

Software Dev Engineer I

Amazon

Seattle, WA
October 2024 - Current

Building caching infrastructure for Alexa Echo Show devices. Reduced backend load and latency by integrating PDM microservice with real-time cache-aware content injection.

Key Accomplishments:

  • Built RESTful API integrating PDM caching service, reducing backend calls and improving content freshness for millions of Echo Show devices.
  • Designed cache-aware decision pipeline in Java that dynamically routes content based on cache hits, enabling real-time fallback and reducing latency.
  • Eliminated stale content exposure by syncing backend refresh logic with client-side behavior using expiry thresholds.
  • Shipped Classic Alexa notification redesign to production, aligning with legacy UX requirements.

Software Dev Engineer Intern

Amazon

Bellevue, WA
June 2024 - September 2024

Automated data workflows for Alexa teams. Built one-click data sharing that eliminated manual copy-paste and reduced data leakage risk.

Key Accomplishments:

  • Shipped ShareLink integration connecting Impact 2.0 and Sleuth platforms, enabling secure one-click data transfer for data scientists and engineers.
  • Built AWS Athena queries pulling from S3 and auto-embedding results into ShareLink API, cutting data access time from minutes to seconds.
  • Delivered Vue.js frontend with seamless clipboard integration, reducing operational friction for internal teams.
  • Wrote 120+ tests (Mockito/JUnit + Cypress E2E), improving code reliability and catching bugs before production.
  • Deployed to 3 regions (FE, NA, EU) using MCM processes, handling full production rollout.

Technical Skills

Programming Languages

JavaPythonJavaScriptTypeScriptC/C++KotlinR

Frameworks & Libraries

Vue.jsReact.jsNode.jsExpressASP.NetSpring BootCypressJest

Cloud & Tools

DynamoDBS3AthenaCloudWatchEKSBedrockEC2DockerGit&GitHubMongoDBSQLiteLambdaIAM role