Eric Ti Yu Chiang Email & Phone Number

Herndon, Va, Us

Mclean, Virginia, United States

Remote

Design, develop and test an internal web application (Python, Django, PostgreSQL, AWS) for radiology service data, supporting the company’s ML products to reduce clients' overall medical costs by 10%.- Engaged with product team to clarify requirements, with QA team to flesh out test plans; collaborate with team members on code review, technical design, tech adoption.- Maintained the systems: dependency management, tooling, CI/CD, OpEx, Monitoring.- Built features enabling business to set up new providers quickly, and ensure resilience with exception handling, logging, tests and documentation.- Improved observability on data processing and fixed race conditions.- Fixed memory bottlenecks when loading large radiology images.- Evolved schema of health provider network data to support business needs.- Wrote connectors to ingest data from new and existing clients.

Greater New York City Area

Work alongside the chief software architect on the flagship platform used by Spreemo's customers, suppliers, and internal teams.Business values delivered:- automated billing operations allowing business volume to scale over 5x without adding costs 5x. The realized savings are in the order of hundreds of person hours per week.- tracked turnaround time of the core business service to entice prospects and to measure the effectiveness of internal operations.- added time zone support to flagship platform, enabling business to operate in multiple regions in the US.- made technical infrastructure SOC1 (Service Organization Controls) compliant to win business from major customers translating to direct revenue growthSupplemental Highlights:- integrated flagship platform with vendor APIs (Quickbooks online, Bill.com) to enable billing automation- mitigated substantial business risk by independently upgrading usage of Quickbooks API with a 1 month mandatory deadline from vendor.- enhanced security for password management using industry best practices- encrypted sensitive data at rest- improved the speed of a core feature by 60%

Greater New York City Area

Wrote, maintained, and deployed a trade clearing application in the Listed Derivatives team.- On-boarded clients onto an automatic allocation system, reducing manual allocation by 60%. This enabled client trade volume to scale without additional operations headcount.- Designed a 0-1 knapsack based dynamic programming algorithm to match clearing house and firm executions, removing risks of non-compliance with exchange rules.