The University of Texas at Austin

Software Development Engineer at Amazon

• Developed and improved an email sync service that syncs 3 million accounts using Python, deployed with Kubernetes, and stores
data with MySQL using SQLAlchemy as an ORM
• Implemented a message consumer microservice that pulls from a GCP Pub/Sub Subscription new emails and email updates to main-
tain correct sync for email accounts as a part of a migration from a monolith to microservice architecture
• Wrote end-to-end tests in Go to ensure that the API contract is maintained and to help automate deployment process
• Communicated with customer service teams about customer pains/bugs, developed the feature to resolve the issue, and deployed
the fix to production

Nylas

Software Engineer

• Built a safe customer service tool to allow CS representatives to log into customer accounts as admins and automatically revoke
credentials with a serverless architecture using DynamoDB, Lambda, and API Gateway
• Designed and developed APIs tuned to both internal and external customer needs for both monolithic and microservice architecture
using Java and internal frameworks
• Contributed to the migration (development of migration/new APIs and running migrations in off hours) of a Kafka/ZooKeeper based
stateful service to a Dynamo based stateless service with millions of customer accounts
• Ran operations for all services our team owns, such as discovering and fixing bugs in production, creating and updating alarms to
detect issues, and making mandatory software updates (eg: Python 2 deprecation)
• Provided timely oncall support for three services with 99.99% availability SLA in three regions: NA, EU, and JP

Amazon

Software Development Engineer

• Developed a client-server application to integrate an existing application with Slack using AWS and WebSocket connections in Node.jsand Java
• Designed and implemented a serverless backend with AWS resources (Lambda, API Gateway, SQS, S3, DynamoDB)
• Constructed a multi-threaded client application with Java Spring Boot as a microservice
• Collaborated with a fellow intern to architect a microservice framework microservice framework that co-exists alongside the monolithic application
• Prepared a presentation and demoed the project to the entire company at the end of the internship

Trend Micro

Research And Development Intern

Built database for Machine Learning Algorithm use
Used GitHub for version control
Used a terminal to access work remotely

Tiger Z.