Derek Halman
Founder PropellerHead at ~/grown
California, United States
Summary
👤
Senior🎓
Top SchoolDerek Halman is a Senior Engineer in California with 11 years of experience building high-performance mobile apps and backend services, specializing in Native iOS/Android, system architecture, and cross-platform integrations. He blends hands-on engineering with product strategy and technical discovery, consistently optimizing performance and reliability for both enterprise and consumer products. Derek has led iOS departments and cross-functional teams at companies from Publicis Sapient and Meta to healthcare and IoT firms, and recently pivoted into crypto payments and AI/ML-driven system work as a founder and senior engineer. Known for shaving latency and complexity out of systems, he pairs deep low-level skills (C/C++, Swift, Kotlin, firmware and BLE/IoT) with product-first thinking to deliver scalable solutions. A former Google Chromium contributor and aviation technician by trade, he brings a pragmatic, hardware-aware perspective that surfaces non-obvious reliability and performance wins.
11 years of coding experience
12 years of employment as a software developer
California Polytechnic State University, San Luis ObispoBishop O'Dowd High School
English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (56)
programming-language10
go10
golang10
xvim9
interpreter9
toast9
notification9
compiler8
odin8
goplus8
tooltip8
bubble8
filter7
progress-bar7
backend7
Programming languages (3)
Github contributions (5)
hatchify/gomu
Mar 2020 - Jun 2020
gomu - go.mod utilities
Contributions:32 PRs, 250 pushes, 33 branches in 2 months
golanggo-modmod
dhalman/git-tutorial
Jul 2017 - Mar 2018
This project makes use of AppCoda's SidebarMenu tutorial to demonstrate basic GIT usage for Cal Poly SLO iOS Development Summer Session in Swift
Contributions:7 commits, 3 PRs, 10 pushes in 7 months
polyios-developmentcalswiftios
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