Worked on Optum's intelligent medical network, a real-time, cloud-based healthcare clearinghouse system, which uses high-availability microservices (real-time eligibility and claim status checks), has a subsecond response time, and processes millions of requests per day.Achievements:- Improved 27% of performance by refactoring the data transform service to support configuration-driven rules using domain specific language in Python and Pydantic to parse and validate data.-… Show more Worked on Optum's intelligent medical network, a real-time, cloud-based healthcare clearinghouse system, which uses high-availability microservices (real-time eligibility and claim status checks), has a subsecond response time, and processes millions of requests per day.Achievements:- Improved 27% of performance by refactoring the data transform service to support configuration-driven rules using domain specific language in Python and Pydantic to parse and validate data.- Designed Redis Lua script for atomic transactions that allowed real-time microservice to be 10% more performant by testing with timeit and profile.- Developed microservice with Rest API, Lambda, Redis, SQS, and EventBridge that streamlined the claim verification process to check for duplicate claims for payers, leading to reduced costs for customers.- Enhanced E2E testing by creating a service that generated test data for X12 transaction types (eligibility, claims, prior authorization).- Created a microservice on AWS that utilized SQL queries in AWS Athena, spanning across different S3 accounts, to generate CSV files for customers to verify their billed amounts.- Other responsibilities: Mentored team in Agile practices and coordinated cross-team dependencies and deliveries between offshore team in Taiwan and teams in the US. Show less

Achievements- Upgraded company website and SEO, increasing new users from 50k to 300k in 6 months- Analyzed and launched more than 10 products missing from company portfolio, generating $2MM+ /year in revenue.- Negotiated reduction in key account contract fees from 13.5% to 2.85%- Substituted distributor for major retail channel, saving more than $100,000 on transport and storage unit costs/year.

Achievements- Sourced, imported, and launched new products into Taiwan, generating more than $1MM in sales revenue.Other Responibilities:- Negotiated prices for goods and freight costs- Managed and monitored inventory for 30+ products- Arranged logistics for overseas shipments to Taiwan- Organized import and export documents- Coordinated seminars with suppliers and customers