Hi! I'm

Software Engineer with hands-on experience in software development, hardware/circuit design, and embedded systems.

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Jack Parrack

Experience

Where I've worked.

Aug. 2026 – Present

Software Engineer I

Mastercard · Launch Programarrow_outward

Hybrid · O'Fallon, MO

  • Building and scaling an internal MCP-based tool that gives 140+ employees natural language agentic access to company systems, letting teams query data directly rather than through engineers.
  • Leading design and planning of a pilot transaction-insights agent targeting enterprise-wide adoption, combining LLM tool orchestration, MCP-based database access, input guardrails, and conversation memory.
  • Developing a modernized clearing platform using Java Spring microservices on Kubernetes, replacing mainframe technology with services that scale horizontally to over 10M transactions/day.
  • Maintaining and extending a Go-based simulation tool that tests the full payment lifecycle end-to-end, keeping it current with evolving payment flows to catch regressions before production.
  • Evaluating high performance networking protocols (Homa, RDMA) with distinguished engineers in a research initiative targeting data center deployment and open source contribution.

Java · Spring · Kubernetes · Go · MCP

May 2025 – Aug. 2025

DevOps Intern

DataServarrow_outward

Remote · St. Louis, MO

  • Wrote Python automation scripts to migrate 3,000+ SQL stored procedures across 71 client environments into Bitbucket, enabling code reviews and rollbacks for previously unversioned code.
  • Converted time-based jobs to event-driven triggers for 7 clients, contributing to a company-wide effort that cut client data turnaround from 24 hours to under 6.

Python · SQL · Bitbucket · DevOps

Education & Activities

Where I've learned.

Aug. 2022 – May 2026

B.S. Computer Engineering

Saint Louis Universityarrow_outward

Summa Cum Laude · Minor: Computer Science · GPA: 3.93 / 4.0

Activities

  • Member · Tau Beta Pi Engineering Honor Society, Missouri Epsilon Chapter Apr. 2026 – May 2026
  • President & Teams Coordinator · SLU Esports Aug. 2024 – May 2026
  • Vice President · IEEE Student Branch Aug. 2025 – May 2026
  • First-Year Mentor · School of Science & Engineering Aug. 2024 – May 2026
  • Study Abroad Peer Mentor Aug. 2024 – May 2026
  • Member · Vietnamese Student Association Jan. 2026 – May 2026
  • Member · Korean Student Association Aug. 2024 – May 2026
  • String Orchestra Spring 2023

Skills

What can I
do for you?

Four squares: I could teach it. One: still learning.

Programming Languages

  • C
  • C++
  • Python
  • Java
  • Go
  • SQL

Tools & Platforms

  • Spring
  • Kubernetes
  • Docker
  • MCP
  • Git
  • Linux

Hardware

  • VHDL
  • FPGA
  • ARM & AVR Microcontrollers

Spoken Languages

  • Spanish
  • Korean

Contact

Let's talk.

Have an opportunity, a project, or just want to connect? Send a message through the form, or email me directly.

Contact formarrow_outward parrackjack@gmail.com