Wore many hats including writing real-time c++ vehicle software and simulator software for all launch vehicles. Also improved internal software processes and tools to reduce overall per-operation time and agony; critical to safely achieving a high launch rate.C++ / Python

Led an org of multiple regional teams to develop tools for live trading and position analysis (e.g. greek valuation) used by internal traders.Hands on, especially helping to resolve incidents and writing proof of concepts to aid staffing larger projects.C++ / Java

Developed monte carlo compute grid and portfolio analysis software following an early microservice-like architecture.Built a metrics reporting platform (before grafana was a thing) and used it to optimize throughput of nearly a thousand high performance servers. These efforts saved millions in annual data center costs from prior designs.Introduced technologies like protobuf and Rx to our projects and the company.Used spoken and written Japanese to work with domestic stakeholders on project requirements and support.C++ / C# / Python(Started at Lehman Brothers, which was acquired by Nomura after its infamous bankruptcy in Oct 2008)