About Aaron
I enjoy large scale, diverse and deep problems, from genome sequencing to internet infrastructure to high-frequency trading. I'm seeking a variety of consequential work, and benefit from direct engagement with the people my work is affecting or with metrics that closely reflect their experience.
English
Native or bilingual
Dutch
Basic
French
Basic
German
Basic
Spanish
Basic
Can work on-site
Leiden (up to 50km), Amsterdam (up to 10km), The Hague (up to 10km)
Experience
- Appalachia B.V.ConsultantDecember 2023 - Today (2 years and 5 months)Amsterdam, NetherlandsIndependent consulting for software projects, with a focus on scalability, reliability, observability, and security.
- Jane Street CapitalInfrastructure Engineer, Core ServicesJanuary 2021 - May 2023 (2 years and 4 months)New York, NY, USAReliability engineering and systems support for high-frequency trading.• Developed, maintained, and managed software lifecycle for infrastructure monitoring and configuration tools (OCaml, Golang, Python, SNMP, Prometheus, Grafana)• Led time synchronization & MiFID II compliance reporting effort for O(10k) hosts globally with microsecond precision (NTP, PTP, GPS appliance & radio troubleshooting, Chrony, C)
- NS8Senior Software ArchitectAugust 2019 - September 2020 (1 year)Las Vegas, United StatesLed design for scaling, observability, and reliability engineering for ecommerce fraud-prevention app. (Node.js, TypeScript, Python, Honeycomb, Prometheus, AWS, Terraform, GitHub, CI/CD)
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Education
- Bachelor of Science - MathematicsUMass/Boston2008