Austin Tsang
San Francisco
Summary
Accomplished Software Development Engineer with a proven track record at Amazon, specializing in React, TypeScript, and infrastructure design. Successfully led the implementation of scalable solutions and mentored junior engineers, enhancing team performance and security compliance. Expert in building robust ETL pipelines and optimizing multi-region deployments.
Overview
6
6
years of professional experience
Work History
Software Development Engineer II
Amazon
San Francisco
10.2022 - 12.2025
- Led authentication/authorization design for Alkimia; evaluated 4 solutions and implemented Midway with Lambda@Edge in one sprint; designed scalable DynamoDB schemas.
- Built resource discovery and dependency modeling algorithms (topological sorting, clustering) supporting 200+ resource types, enabling multi-region deployments and eliminating manual dependency ordering.
- Modularized React/TypeScript UI, implemented persistent selections, async optimizations, and feature flags; owned multi-month security recertification and pipeline stability.
- Integrated Alkimia/Replicator data into RFI/ServiceGraphAnalyzer via Glue jobs, delivering BizOps metrics on adoption, engagement, and migration readiness to L8/L10 leadership.
- Mentored SDE-1 and SDE-2 engineers; created onboarding guides, hosted git strategy sessions, and resolved SEV-2 incidents outside oncall rotation.
- Infrastructure & Migration Tools
Software Development Engineer I
Amazon
San Francisco
06.2020 - 10.2022
- Core contributor to BubbleBridge China: Executed high-risk MCM deployments and built connectivity infrastructure bridging Global and China AWS partitions.
- Technical lead for Bullet Services BPM validation: Scoped use-cases, set up cross-region testing, and enabled CDO regional expansion.
- Developed full-stack features for Project Suez migration platform: Built Migration Plan page, merged legacy branches, and established frontend-backend contracts.
- Architected Suez separation from SuperStarUI: Designed standalone web infrastructure (CloudFront CDN, DNS via CDK) and foundational packages for independent streams.
- Infrastructure & Migration Tools
Education
Bachelor of Science - Computer Science
San Francisco State University
San Francisco, CA01.2019
Skills
- React
- TypeScript
- Python
- Java
- CDK
- CloudFormation
- VPC
- Route53
- CloudFront
- S3
- Lambda@Edge
- API Gateway
- DynamoDB
- Glue
- Athena
- Infrastructure-as-Code
- ETL pipelines
- Dependency graphs
- CI/CD
- System design
- Security compliance
- Incident response
- Mentoring
Honors And Awards
- 1st Place - IEEE Global Health Humanitarian Competition (2019)
- Semi-Finalist - IBM Call For Code Global Challenge (2019)
- Grand Prize Winner - AngelHacks Hackathon (2019)
- 2nd Place - SFSU College of Science & Engineering Project Showcase (2019)
Timeline
Software Development Engineer II
Amazon
10.2022 - 12.2025
Software Development Engineer I
Amazon
06.2020 - 10.2022
Bachelor of Science - Computer Science
San Francisco State University