Work Experience
My professional journey and technical expertise.
Experience
Current
Software Development Engineer II
Amazon Web Services, LLC.
Jul 2025 - Present•New York City, NY
- Leading full-stack development and architecture initiatives
- Redesigned core search query system enabling case-insensitive and complex queries across OpenSearch
- Resolved critical authentication issues blocking product launches
- Optimized Lambda operational costs by removing unnecessary provisioned concurrency and implementing proper timeout strategies
- Conducted comprehensive Python package upgrades across 20+ repositories, enabling Python 3.10 migration organization-wide
PythonTypeScriptReactOpenSearchAWS LambdaCDKDynamoDB
Software Development Engineer
Amazon Web Services, LLC.
Feb 2023 - Jul 2025•New York City, NY
- Conducted performance analysis using CloudWatch and X-Ray achieving 20% latency decrease
- Optimized Lambda execution time by 66% reducing costs by 70% and contributed to shared constructs
- Resolved high-severity security issues and released fixes to production within 2 days
- Migrated pipelines from LPT to AWS CDK v2, reducing developer effort
- Delivered critical compliance solutions by migrating 34% of pipelines to monorepo structure under tight regulatory deadlines
- Took ownership of production system achieving 0→75% frontend and 0→95% backend test coverage
- Resolved 3 security findings and obtained sign-off before launch
- Implemented highly-requested search features
- Saved $20k+ monthly through resource optimization
PythonTypeScriptAWS LambdaCloudWatchX-RayAWS CDKDynamoDB
Software Development Engineer Intern - Full Stack
Amazon Web Services, LLC.
May 2022 - Aug 2022•Herndon, VA
- Developed threaded comment component using TypeScript with real-time WebSocket functionality
- Created API endpoints for CRUD operations with DynamoDB
- Built downstream data processing services in Python deployed as AWS Lambda for email notifications and data warehouse exports
TypeScriptReactWebSocketPythonAWS LambdaDynamoDB
Software Engineer
Inner Mongolia Fengji Company
Jun 2020 - Aug 2021•Hohhot, China
- Developed and maintained Java RESTful APIs providing access to state database with support for JSON, CSV, and Excel formats
- Designed data visualization web pages
- Migrated 20+ Python APIs to Java improving performance by 10%
- Conducted user research to translate requirements into program specifications
JavaSpringPythonRESTful APIsJSONData Visualization
Skills
languages
PythonJavaTypeScriptJavaScriptSQLMATLABLaTeX
frameworks
ReactSpring BootNode.jsAWS CDK
tools
DynamoDBLambdaCloudFormationCloudWatchRDSEC2X-RayWebSocketGitOpenSearch
Education
Master of Science in Computer Engineering
New York University, Tandon School of Engineering
Sep 2021 - Dec 2022
Visiting Student
University of California, Berkeley
Jan 2019 - Jun 2019
Bachelor of Engineering in Software Engineering
Wuhan University
Sep 2016 - Jun 2020
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