Software Engineer Consultant
Current
A Nyc Hedge Fund
Software development.
Jan 2023 - Present
AeroLeads people directory · profile
John Koelling Email & Phone Number
Software Engineer Consultant
at
A NYC hedge fund
1 work email found
@kershnertrading.com
LinkedIn matched
✓ Verified August 2026
4 data sources
Profile completeness 86%
Current company
A NYC hedge fund
Role
Software Engineer Consultant
Location
New York City Metropolitan Area, United States
Who is John Koelling? Overview
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Quick answer
John Koelling is listed as Software Engineer Consultant at A NYC hedge fund, based in New York City Metropolitan Area, United States. AeroLeads shows a work email signal at kershnertrading.com and a matched LinkedIn profile for John Koelling.
John Koelling previously worked as Senior Software Engineer at Visa and Software Engineer at Visa. John Koelling holds Bachelor Of Science - Bs, Computer Engineering from Cockrell School Of Engineering, The University Of Texas At Austin.
Company email context
Email format at A NYC hedge fund
This section adds company-level context without repeating John Koelling's masked contact details.
{first_initial}{last}@kershnertrading.com
86% confidence
AeroLeads found 1 current-domain work email signal for John Koelling. Compare company email patterns before reaching out.
Profile bio
About John Koelling
Software developer with a track record in the intersection of finance and technology. Appreciates and builds ultra-reliable software.
Current workplace
John Koelling's current company
Company context helps verify the profile and gives searchers a useful next step.
A Nyc Hedge Fund
8 roles
John Koelling work experience
A career timeline built from the work history available for this profile.
Senior Software Engineer
Increased responsibility and leadership in Visa Direct. Led integration of enhanced log tracing component. Designed and helped implement enhanced server status monitoring.
Jun 2022 - Jan 2023
Software Engineer
Development for Visa Direct, platform enabling a reverse flow ("push" transactions) that funds users' accounts. Java, Spring Boot, REST, Maven, Postman.Austin Tech Track: Part of committee to organize events for Digital & Developer Platform, my organization within Visa. Organized virtual presentations with 100+ attendees. Designed scoring criteria and other contributions for internal innovation event with 10+ competing teams.
Oct 2020 - Jun 2022
Consulting Software Engineer
Project support for trading tool (developed under Sherpa Systems) in effort to merge into DV Trading platform.
Jul 2021 - Oct 2021
Consulting Software Engineer
Sherpa Systems 151, Llc
Developer for breakaway team from Kershner Trading Group. Created trading tool to execute intelligent stock trades at high speed from hotkey commands. C++ and proprietary market data / trading API.
Oct 2020 - Jul 2021
Software Engineer
Development of trading systems for stock trading firm. Machine learning trade analysis framework in Python.
Jun 2020 - Oct 2020
Digital And Developer Platform Intern
Intern on Real Time Payments team building a new real-time transaction network. Modified Java testing setup using Liquibase containerized SQL databases to replace mocks.Visa Research Blockchain Day: Won 4th place in company-wide blockchain puzzle challenge.
May 2019 - Aug 2019
Operations & Infrastructure Intern
Intern on Capacity Planning Team. Created a system to automatically classify virtual machines based on usage data from other sources. Performed this classification for all virtual machines in the company. Worked with VMWARE vRealize Operations Manager.
May 2018 - Aug 2018
1 education record
John Koelling education
-
Cockrell School Of Engineering, The University Of Texas At Austin
FAQ
Frequently asked questions about John Koelling
Quick answers generated from the profile data available on this page.
What company does John Koelling work for?
John Koelling works for A NYC hedge fund.
What is John Koelling's role at A NYC hedge fund?
John Koelling is listed as Software Engineer Consultant at A NYC hedge fund.
What is John Koelling's email address?
AeroLeads has found 1 work email signal at @kershnertrading.com for John Koelling at A NYC hedge fund.
Where is John Koelling based?
John Koelling is based in New York City Metropolitan Area, United States while working with A NYC hedge fund.
What companies has John Koelling worked for?
John Koelling has worked for A Nyc Hedge Fund, Visa, Dv Trading Llc, Sherpa Systems 151, Llc, and Kershner Trading Group.
How can I contact John Koelling?
You can use AeroLeads to view verified contact signals for John Koelling at A NYC hedge fund, including work email, phone, and LinkedIn data when available.
What schools did John Koelling attend?
John Koelling holds Bachelor Of Science - Bs, Computer Engineering from Cockrell School Of Engineering, The University Of Texas At Austin.
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