John Unger Email & Phone Number

Chicago, Il, Us

Amsterdam, Noord Holland, Nl

• Manager of technical trading operations and data engineering, reporting directly to the head of US technology• Led a large team of both individual contributors and managers. Ran performance management discussions and conducted reviews• Grew the team by developing hiring forecasts and assisting with recruiting, interviewing, and onboarding. Includes both experienced and graduate hires• Gathered requirements, managed stakeholders, and set priorities during a trimester planning process• Oversaw the expansion of a high-performance, large capacity big data cluster• Led several office-wide migrations to technologies such as Kubernetes and Dremio• Moved our analysis environment to JupyterHub supporting hundreds of users• Collaborated globally with teams spanning three international offices• Navigated difficult business situations such as COVID19, transition to WFH, and accelerated increases in headcount• Consulted on our cloud strategy, balancing on-premise requirements with cloud opportunities

Amsterdam, Noord Holland, Nl

• Team lead for systems engineers working across trading desks• Implemented and practiced DevOps on the dealing floor of a high frequency trading firm • Developed and analyzed technical performance reports using Python, Pandas, and matplotlib• Designed datacenter architecture optimized for low latency trading • Automated the nightly upgrade of systems using custom scripts and TeamCity• System Administrator for Fedora systems hosting in-house developed high performance trading software• Resolved issues from detection in production through development, QA, and fix implementation• Owned the release cycle and configuration management for US trading systems

Dublin 2, Ie

• Designed functional and technical requirements• Led Development Architecture efforts• Maintained application environments across Red Hat Enterprise Linux virtual machines• Directed configuration management and wrote automatic code deployment scripts• Planned and implemented the infrastructure architecture for a corporate IT project• Worked across teams to resolve networking, database, and UNIX issues

Chicago, Illinois, Us

• Led a cross-functional team through the definition and scheduling phases of an IT project• Created reports for an $11 million portfolio and presented an analysis to a vice president• Organized and managed dates and documentation resulting in the production of a weekly operational update• Competed in a case competition to solve one of the company’s current business problems

Chicago, Us

• Implemented various code changes and enhancements to a digital imaging application• Used Eclipse to debug a code base of over 10,000 source files• Extensively performed quality testing of a new application• Experienced complaint handling and quality assurance in an industry that is FDA regulated

Carrollton, Tx, Us

• Participated in a financial integration project• Worked extensively with Javascript, html, and an Oracle Database• Coded various automated scripts for maintaining the database• Debugged errors within the learning management software, Docent