$ whoami
> William Grim, M.SC.

USA Remote Only
cv (at) williamgrim (dot) com

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Category
Preferred Languages	C / C++, Java / C#, Python
Cloud Platforms	AWS, DigitalOcean, GCP
Data Engineering / Science	Airflow, Prefect, Jupyter Notebooks
Technologies	PostgreSQL, Redshift, Snowflake, EMR + Spark, Kafka, NATS Messaging, Kubernetes
Platforms	BSD, Linux, Mac OS, Windows
Foundations	ML / AI, SaaS / Cloud Computing / Distributed Architectures, Operating System Design, Combinatorics and Graph Theory, Real Analysis, Linear Algebra, Algorithmic Design and Analyses
Industry Experience	Finance, Gaming, Ad Tech, Cybersecurity, Consumer No-Code / Low-Code Tooling
Natural Languages	English (native), French (Fluent)

$ history

Belvedere Trading

Data Engineer
Remote
July 2022 - Present

• Crafted an entire data engineering pipeline for our Quants to get data into Google BigQuery using low-code techniques via Airflow.
• Was a key contributor to a Java Spring application to push data from Apache Pulsar to Google BigQuery.

Monad

Principal Software Engineer
Greater St. Louis Area (Remote)
April 2021 - June 2022

• Improved transformation performance 50x by rewriting to use AWS Lambda, AWS EMR, and Spark SQL via dbt.
• Scaled connectors handling hundreds of gigabytes of data at a time.
• Built all of Monad’s MVP data models and transformations in dbt:
  • Snowflake
  • PostgreSQL 13

Belvedere Trading

Principal Software Engineer
Greater St. Louis Area (Remote)
November 2018 - April 2021

• Mentored company in software best practices and company’s broader goals.
• Managed a team and implemented a new, high performance message bus built around NATS.
• Designed and rewrote a Python-based service discovery service with much expanded capabilities.

Signal: A TransUnion Subsidiary

Principal Software Engineer
Identity Management Solutions
Chicago, IL
December 2016 - October 2018

• Designed, managed a team, and coded a Java + Guice Aerospike scanner to generate events on Kafka, Kinesis, or SQS
• Designed and coded an event-driven Java + Guice profile graph deletion algorithm
• Profiled and enhanced our data-driven identity services application.
• Redesigned a Java batch process so it can handle 10-20x the traffic via Kafka.

Roblox

Senior Software Engineer
Performance Engineering
San Mateo, CA
March 2013 - February 2015

• Initiated and ported our C++ game servers to Linux to save our company significant costs in OS licenses.
• Implemented custom libcurl wrapper and caching layers:
  • Cut CDN bandwidth in half.
  • Consolidated multiple HTTP implementations to one.
• Ported ROBLOX C++ game engine to Android:
  • Developed cross-platform facades between C++ ↔ Java JNI for atomics, threading, and OpenGL
  • Developed custom signal handlers for enhanced debugging
  • Implemented proper crash dump reporting
  • Announced ROBLOX for Android at Virtual BLOXcon 2014.
• Rebuilt ROBLOX’s sound management engine using FMOD

Morgan Stanley

IT Associate
Commodities Electronic Trading
Purchase, NY
August 2007 - January 2013

Levi, Ray, and Shoupe, Inc.

Software Developer Intern
PensionGold
Springfield, IL
May 2001 - December 2004

Southern Illinois University

System Adminstrator
Computer Science Department
Edwardsville, IL
March 2002 - May 2007

$ cat education.txt

Southern Illinois University
Edwardsville, IL
* M.Sc., Computer Science, May 2007
* B.Sc., Computer Science, May 2005
* Minor in Mathematical Studies

Additional coursework covered while employed full-time:

• Machine Learning with Andrew Ng via Coursera
• Introduction to Computer Graphics via UC BerkeleyX
• Real Analysis via City College of New York
• Ordinary Differential Equations via City College of New York