John Lockwood
Programmer Owner at TackleTronics, LLC
Sacramento, California, United States
Summary
👤
Senior🎓
Top SchoolJohn Lockwood is a seasoned backend systems engineer and entrepreneur with 14 years of experience building scalable, production-grade infrastructure and ETL platforms. He led a successful rewrite of a brittle Java ETL stack into a high-performance Python-based system using Pandas, Airflow, FastAPI, and SQLAlchemy, emphasizing vectorized transformations and dynamic concurrency. His expertise spans multi-tenant database design and migrations across MySQL and PostgreSQL, plus pragmatic AWS, Docker, Kubernetes, ArgoCD, and Terraform operations. A pragmatic mentor and on-call collaborator, he pairs thorough automated testing and observability with hands-on debugging of contention and performance hot spots. He runs his own software shop and has shipped consumer-facing iOS work, reflecting an entrepreneurial streak alongside deep systems chops. Outside engineering he pursues wide-ranging intellectual interests and leverages AI-driven coding to accelerate delivery and preserve creative momentum.
14 years of coding experience
18 years of employment as a software developer
University of Vermont
English
Stackoverflow
3,797reputation
1.1mreached
90answers
12questions
winforms
top-5%
if-statement
top-5%
console-application
top-5%
Github Skills (83)
python10
chatgpt10
ai-agent10
memory-management10
ai10
application10
genai10
llm10
state-management10
if-statement9
winforms9
segwit9
bip329
bitcoin9
console-application9
Programming languages (9)
Github contributions (5)
johnwlockwood/cooperative
Feb 2015 - Nov 2019
Contributions:50 commits, 26 PRs, 35 pushes in 4 years 10 months
non-blockingintensiveblockingcallbacks
johnwlockwood/karl_data
Jan 2015 - Jun 2018
karld - Data conversion and analysis tools
Contributions:8 PRs, 25 pushes, 9 branches in 3 years 5 months
data-conversion
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