John Koelling
Software Engineer Consultant at A NYC hedge fund
New York City Metropolitan Area United States
Summary
👤
Senior🎓
Top SchoolJohn Koelling is a software engineer consultant with nine years of experience building ultra-reliable network and trading systems at the intersection of finance and technology. Based in the New York City area, he has delivered production services for Visa Direct and high-frequency trading tools, blending Java/Spring backend expertise with low-latency C++ trading integrations. He has led reliability-focused efforts like enhanced log tracing and server-status monitoring, and contributed to platform-level testing improvements using containerized databases. John also brings applied machine learning experience from trade-analysis tooling and has collaborated on a team GPU multicore sorting project showcased on his GitHub. Comfortable in both startup trading environments and large enterprise teams, he combines hands-on coding with event and innovation leadership. Colleagues rely on him for pragmatic, observability-first solutions that keep mission-critical systems running.
9 years of coding experience
3 years of employment as a software developer
Bachelor of Science - BS, Computer Engineering, Bachelor of Science - BS, Computer Engineering at Cockrell School of Engineering, The University of Texas at AustinProgramming languages (3)
Github contributions (5)
Iucundus/Lab1_460N
Feb 2019 - Feb 2019
Contributions:26 pushes, 1 branch in 9 days
Iucundus/Lab2_460N
Feb 2019 - Feb 2019
Contributions:11 pushes, 1 branch in 5 days
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