phone (440) 796-7806

James J. Sawczuk

Education

Case Western Reserve University
Cleveland, OH
Aug. 2005 - May 2009
Bachelor of Science, Computer Science
Minor, Mathematics

Experience

Blokpax
Columbia, SC
Sept. 2021 – present
Senior Vice President, Engineering
  • Rearchitected and reimplemented an NFT game mechanic to work with ERC-1155 tokens instead of ERC-721s
  • Further refined this rearchitecture to reduce the time needed to execute a "round" of the game from 2+ hours to less than 10 minutes
  • Designed and implemented a PCI-compliant service to process credit card data with minimal retention and risk
  • Introduced daily standups and agile methodology to the team, led semi-weekly sprint planning meetings
Coinbase
Remote
Mar. 2021 – Sept. 2021
Senior Software Engineer
  • Worked with a cross-functional team to launch a debit card product, integrating with several internal services and an external partner
  • Helped to introduce agile methodology to the team, started sprint planning/grooming
  • Led the creation of a backend standards document, designed to reduce code review thrashing on "decided" issues
Red Ventures
Fort Mill, SC
Sept. 2017 – Feb. 2021
Principal Software Engineer
Feb. 2020 – Feb. 2021
Senior Software Engineer
Sept. 2017 – Feb. 2020
  • Designed and implemented an API in Go for an internal system for doctors to update their credentials
  • Prototyped a command-line tool in Go to synchronize logic changes between CDN environments
  • Led the development of and architected large portions of a search and scheduling API for a major health provider network, as part of the company's leap into healthcare
  • Helped to migrate a legacy AWS environment with about two dozen applications and services into a new one built entirely via Terraform
  • Architected a modern backend for a travel product we acquired, helping to migrate from a Java-based monolith to a more modular, cloud-native approach
  • Led the development of a CI/CD pipeline and provisioned infrastructure for the new travel backend using Terraform
  • Helped to architect and led the development of an API to provide search and scheduling for healthcare providers at a national scale
  • Helped to develop and formalize our version control strategy, and implemented documentation and contracts that let us collaborate asynchronously with the frontend engineering team
  • Served as a mentor to many other engineers: reviewed code, assisted in debugging and gave advice on how to move forward in their careers
LoudDoor / Storylift
Columbia, SC
June 2009 – Sept. 2017
Senior Software Engineer
Jan. 2015 – Sept. 2017
Software Engineer
June 2009 – Jan. 2015
  • Developed highly-scalable web applications using a LAMP stack deployed on Amazon EC2
  • Spearheaded the development of a business pivot to Facebook Page audience analytics
  • Prototyped most of the analytics algorithms and systems used in the company
  • Listed as a co-inventor of utility patent #9,842,349, "System and method for preference determination."
  • Consulted on a statistical study of Facebook fan engagement vs. age for Coca-Cola to present at a conference
  • Designed and implemented a rich persona definition API in both Go and PHP which is still used for most of the company's analytics work
  • Designed and implemented a worker daemon in Go that schedules and runs thousands of analytic tasks per day
  • Designed and implemented a datamining program in Go to find "interesting" crosstabs for clients
  • Created a web app that allowed the creation and execution of ad-hoc SQL queries for use in reporting
  • Designed and implemented a sales lead platform with the ability to forward leads to multiple client platforms
  • Implemented a "management report" which contains critical metrics and is generated daily and e-mailed to decision-makers at the company

Skills

Miscellaneous

© 2024 Jimmy Sawczuk
rev. 0a00b47
Last modified on November 19, 2024