Nathan Kellert
Freelance Mobile Development at Multiple Companies
Oklahoma City, Oklahoma, United States
Summary
🤩
Rockstar🎓
Top SchoolNathan Kellert is a seasoned mobile engineer with 11 years in software and over six years focused on iOS, delivering apps and backend services for enterprises and startups from Oklahoma City. He combines hands-on Swift/Objective-C development, Core Data, Core Location and SwiftUI adoption with NodeJS and Parse/Firebase backend work, and has led migrations, complex payment marketplaces, and geo-validation systems. As a freelance developer and technical lead, he’s defined company iOS standards, implemented CI/CD and monitoring pipelines, and introduced MVVM-C and Swift Concurrency patterns at scale. His experience spans hospitality, retail pharmacy, and pest-control platforms, including MDM/tvOS deployments and automated branded app rollouts. Known for reviving legacy apps and turning prototypes into production-grade systems, he blends pragmatic architecture with operational ownership and on-call reliability.
11 years of coding experience
6 years of employment as a software developer
Computer Science, Computer Science at Northern Oklahoma College
Stackoverflow
608reputation
104kreached
26answers
5questions
Github Skills (96)
parser10
expressjs10
collectionview10
koloda10
backend10
tinder10
picture-in-picture10
parse-platform10
sdk10
swift10
livequery10
parseui10
tvos10
mongodb10
watchos10
Programming languages (9)
Github contributions (5)
parse-community/ParseLiveQuery-iOS-OSX
Apr 2016 - Apr 2020
Parse LiveQuery Client for iOS/OS X.
Contributions:8 releases, 10 commits, 24 PRs in 4 years 1 month
parse-livequeryswiftiosos-xparse-platform
noobs2ninjas/Parse-SDK-iOS-OSX
Dec 2019 - Mar 2020
The iOS | macOS | watchOS | tvOS SDK for the Parse Platform
Contributions:70 pushes in 3 months
tvossdkswiftiosparse-platform
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