Lead IOS swift mobile developer

Nathan Stoltenberg

Senior iOS Developer

214-***-**** Monument, CO 80132 ******@*********.*** github Linkedin Highly skilled individual specializing in enterprise and consumer-facing Swift-based iOS,iPadOS,and WatchOS applicationdevelopmentanddeployment.Over16yearsofhands-ondevelopmentexperience,withatrackrecordof successfully publishing over 100 applications on the iTunes AppStore and deploying 7 enterprise applications. Expertise encompasses all phases of development,including road-map planning,architecture,CI/CD pipelines, automated testing,user experience,front-end development,analytics gathering and processing,Apple AppStore review process, and publishing.

SKILLS

● Continuous integration,

Continuous Deployment

● Async/Await, Combine

● REST APIs

● Source and version control:

git, github

● Swift programming

language

● Apple human interface

guidelines

● Performance optimization

● Rapid prototyping

● XCode IDE

● Agile development

● XCTest, XCUITest suite

integration

● App Store Deployment

● Jira

WORK HISTORY

Senior iOS Engineer - Cytracom (JUNE 2021 - MAR 2025)

● Led the native team in rebuilding an existing mobile application with a fresh UI, as well as establishing best practices, CI/CD Pipelines, and automated testing

● Also architected and built the ControlOne Network Tunnel application from the ground up including XCTest and XCUITest suites for automated testing and github actions for continuous integration

● Translated basic design plans into full iOS app frameworks, delegating project components to appropriate team members.

● Evangelized for end-user experience improvements to enhance overall adoption rates.

● Estimated work hours and tracked progress using Agile/Scrum methodology.

● Documented software guides in confluence to be used by support and sales personnel for onboarding new clients.

Volunteer - App Development - Parvati Foundation (APR 2022 - JUNE 2022)

● Built a next generation app prototype for the Parvati foundation

● Collaborated with the design team and the volunteer coordinators to meet the requirements laid out in the design document

Senior IOS Contractor - Oscar Technology (JULY 2021 - DEC 2021)

● Architected and built an iPhone and Apple Watch app from the ground up, including distribution for beta testing and app store deployment

● Researched and selected APIs for integration into development projects.

● Followed Apple's Human Interface guidelines to create products aligned with iOS UI norms. Senior IOS Developer - Alkami Technology (JAN 2016 - JUNE 2021)

● As a mobile developer at Alkami, I was instrumental in the development of mobile banking applications for one hundred and eighty credit unions and banks

● I implemented the conversion of several mobile web (HTML) widgets to native swift code, providing a more user-driven, platform-specific experience for the more than ten million users of our applications

● Over the course of five years since the formation of the 'Mobile First' initiative within Alkami, our customer’s applications have seen average review scores rise from 2.5 to 4.8 stars

● Instructed junior developers on use of Swift programming language, creating collaborative learning environment to onboard personnel.

Senior IOS Developer - ContentGuard (MAY 2014 - DEC 2015)

● I was the lead developer for the iOS version of the Yovo and Clipfeed mobile apps

● I was directly involved in managing timetables, development, distributions, testing schedules, continuous integration, and public deployment of both applications Senior Software Developer; iOS - Sabre Holdings (JAN 2013 - MAY 2014)

● I worked with the Sabre Travel Network team as tech lead for client side development for iOS

● I helped organize and coordinate the development of all client side features

● I also installed and managed our local continuous integration server

● I was recognized with the 'Technology Champion Award' for my help in the rapid development cycle of the iPad App, Sabre Red Mobile Workspace

Mobile Applications Consultant - The Principal Consulting (NOV 2011 - DEC 2012)

● I assisted in the design and development of three enterprise iOS applications for two clients as well as multiple trade show demos using SAP and other Web Services IOS Developer - Fractal Fox Studios (FEB 2009 - OCT 2012)

● Wrote the code for several touch based games for iOS and iPad devices

● Compiled all major and minor binary revisions and submitted them to Apple for review and approval to the App Store

● Converted Garden 2 Go from the UI-Kit user interface model to the more adaptable cocos2D open source interface, improved load times and package sizes and allowed for the use of sprite sheets, greatly decreasing the workload on our artists

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