Peter Liu Email and Phone Number

Led legacy world-wide customer service migration to AWS Connect• Created project roadmap, balanced team capacity with project milestones, and managed 5 junior engineers in sprint planning and project delivery• Designed and implemented 10+ APIs for Amazon Tier 1 service, handling billions of transactions per year. Launched ECS services for API health check, providing 24/7 detective guardrail to identify API failure before impacting customers. Launched lambda services for load and stress testing, providing approval steps for service scalability and resilience• Consistently improved application safety and reduced operation cost, including deep diving root causes of high severity tickets, reinforcing high code test coverage policy, delivering critical vulnerability fixes to meet security campaign requirements, and deploying full CD pipelines to automate heavily manual implementation work

Replatform full-stack B2B application to AWS Serverless1. Redesigned legacy B2B products for AWS infra, frontend and backend, rendering apps with better performance, security, and UI experience2. Consulted on AWS architecture to align the product with AWS Well Architected Framework and business use case 3. Deployed backend API service through AWS ECS based on Springboot Framework. Implemented API Gateway and replaced legacy stored procedures in database with microservices to improve API performance and security 4. Delivered frontend service based on common framework (e.g., Angular, React), embedded features such as user- friendly UI, SSO, AD group, lazy loading, etc. to improve app security and performance

1. Software Engineering: API, container, web application2. Data Engineering: ETL, snowflake, SQL, data pipeline, AWS cloud migration, AWS Serverless Applications3. Data Solution: Finance, HR, Legal and company KPIs

Data-driven scientist to scale up renewable energy technology