Philip Flarsheim

Application Architect @Waystar

Louisville, KY, US

Lead design and architecture meetings.•Optimized existing big data systems with High Performance Computing (HPC).•Lead and presented solutions at Joint Application Design (JAD) meetings.•Lead requirements gathering meetings with internal stakeholders.•Developed and presented educational seminars for the engineering department.Industrial Charge Integrity•Rebuilt ETL system using modern file intake design patterns•Reduced operational resource demands by 90%•Implemented a high throughput resilient streaming file parsing system•Scaled ETL system to rapidly load tens of millions of lines in 1/3 time•Implemented modern message queue systemProfessional Charge Integrity•Worked closely with business to correctly implement the hole detection algorithm•Redesigned implementation to resolve time slicing and false positive errors•Redesigned the work item detection and processing flow control increasing performance by a factor of 10xContract Management•Designed concurrent execution thread pool, greatly increasing scalability•Implemented two tier cross node caching layer reducing read times to 20 ms•Designed a thread safe data queue with atomic lock, read, and write•Four node implementation handles 2.5 million claims per day•Single node average batch size of 30k claims reduced from 130 s to 100 s•Single node load of 500k claims completed in 17 min•Real time decrease in processing speed scaled linearly with node count•Stabilized application reducing nightly exception rates from 20k to near 0Billing•Designed an extensible REST framework to replace the legacy monolith system•Implemented a resilient high performance central processing system•Runtime reduced from 4 hours to 30 minutesEnrollment•Designed pdf field mapping system allowing for automatic filling of arbitrary pdfs•Rebuilt entire website in MVC and Razor replacing legacy ASPX project•Directly worked with operations on requirement gathering and feature design

University of Louisville

Bachelor of Science