James Castillo
Co-Founder & Head Of Engineering at RepairWise
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolJames Castillo is a seasoned technology leader and founder with over two decades of experience scaling engineering organizations and turning technical strategy into measurable business outcomes. As Co-Founder & Head of Engineering at RepairWise.pro he is applying his expertise in cloud-native architecture, payments, and compliance to reinvent electric vehicle diagnostics. Previously he grew CHEQ’s engineering team from 0 to 54 across three continents, built stadium-scale payment platforms with 99.99% uptime, and helped drive four successful acquisitions across his career. A PCI-DSS v4.0 certified architect with hands-on Kubernetes and FinOps experience, he combines board-level communication and P&L ownership with day-to-day engineering judgment. Notably, his infrastructure transformations have repeatedly unlocked substantial cost savings—one effort freed $600K annually—showing his focus on engineering that funds product innovation. Based in San Francisco, he excels at bridging technical possibility and business reality while mentoring distributed teams to deliver durable value.
11 years of coding experience
25 years of employment as a software developer
Bachelor of Arts - BA Computer Science, Bachelor of Arts - BA Computer Science at Case Western Reserve University
English, Chinese
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (200)
interpreter10
programming-language10
deploying10
odin10
golang10
go10
lru9
chat9
typesafe9
slice9
compiler9
docker9
goplus9
generics9
contract9
Programming languages (14)
Github contributions (5)
JC1738/docker-s3cmd
Jan 2015 - Feb 2017
Contributions:6 commits, 2 PRs, 5 pushes in 2 years 1 month
containerss3cmddocker-imagedockerdocker-container
JC1738/dotfiles
Feb 2018 - Jan 2022
Contributions:89 pushes, 1 branch in 3 years 11 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.