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Senior mobile engineer with 25+ years in software and 10+ years focused on shipping production iOS and cross-platform applications for enterprise clients. Deep, hands-on experience across Swift, SwiftUI, and Objective-C, with strong React Native (Expo) background. Comfortable owning features end to end—integrating complex backends and stabilizing legacy codebases. Proven track record leading teams, delivering App Store releases, and improving reliability and performance in production iOS apps used daily by business users. Experienced with modern data exchange patterns (GraphQL/AWS), backend integration (.NET/SQL Server), and operational support workflows (ServiceNow).…Senior mobile engineer with 25+ years in software and 10+ years focused on shipping production iOS and cross-platform applications for enterprise clients. Deep, hands-on experience across Swift, SwiftUI, and Objective-C, with strong React Native (Expo) background. Comfortable owning features end to end—integrating complex backends and stabilizing legacy codebases. Proven track record leading teams, delivering App Store releases, and improving reliability and performance in production iOS apps used daily by business users. Experienced with modern data exchange patterns (GraphQL/AWS), backend integration (.NET/SQL Server), and operational support workflows (ServiceNow).

Jon Burgermeister

Programmer, Web Developer, App Developer, +1

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Senior mobile engineer with 25+ years in software and 10+ years focused on shipping production iOS and cross-platform applications for enterprise clients. Deep, hands-on experience across Swift, SwiftUI, and Objective-C, with strong React Native (Expo) background. Comfortable owning features end to end—integrating complex backends and stabilizing legacy codebases. Proven track record leading teams, delivering App Store releases, and improving reliability and performance in production iOS apps used daily by business users. Experienced with modern data exchange patterns (GraphQL/AWS), backend integration (.NET/SQL Server), and operational support workflows (ServiceNow).…Senior mobile engineer with 25+ years in software and 10+ years focused on shipping production iOS and cross-platform applications for enterprise clients. Deep, hands-on experience across Swift, SwiftUI, and Objective-C, with strong React Native (Expo) background. Comfortable owning features end to end—integrating complex backends and stabilizing legacy codebases. Proven track record leading teams, delivering App Store releases, and improving reliability and performance in production iOS apps used daily by business users. Experienced with modern data exchange patterns (GraphQL/AWS), backend integration (.NET/SQL Server), and operational support workflows (ServiceNow).

Available to hire

Senior mobile engineer with 25+ years in software and 10+ years focused on shipping production iOS and cross-platform applications for enterprise clients. Deep, hands-on experience across Swift, SwiftUI, and Objective-C, with strong React Native (Expo) background. Comfortable owning features end to end—integrating complex backends and stabilizing legacy codebases.

Proven track record leading teams, delivering App Store releases, and improving reliability and performance in production iOS apps used daily by business users. Experienced with modern data exchange patterns (GraphQL/AWS), backend integration (.NET/SQL Server), and operational support workflows (ServiceNow).

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Advanced

Work Experience

Lead Mobile Engineer at Tata Consultancy Services

November 1, 2018 - June 30, 2024

Led a team of up to three iOS developers building and maintaining enterprise iOS and cross-platform apps used daily by field sales representatives at Nutrien. Delivered mobile solutions integrating .NET, SQL Server, Azure, and ServiceNow workflows. Built/used GraphQL for asynchronous data exchange with an AWS backend. Owned features end to end, including stabilization and production maintenance, and collaborated with teams to coordinate releases and resolve issues impacting field operations.

iOS / React Native Developer at Insigma Inc.

May 1, 2018 - November 30, 2018

Developed and enhanced enterprise iOS applications used by field sales representatives and managers at Nutrien. Implemented new features and resolved critical bugs. Used ServiceNow to manage support tickets and coordinate releases with the broader delivery process.

Software Developer at Four Winds Interactive

May 1, 2016 - February 28, 2018

Developed and maintained a native iOS application and a native macOS application powering dynamic digital signage for multiple clients. Implemented remote configuration support to manage behavior across different customer environments, ensuring updates could be delivered without requiring full client redeployments.

Mobile Engineer (contract) at Augur, Inc. (via Robert Half)

February 1, 2016 - March 31, 2016

Designed an iOS attribution API library to uniquely identify a device and device owner. Worked closely with the client on problem specifications and system design requirements for device-level attribution.

iOS Developer at Gaiam, Inc.

February 1, 2015 - February 28, 2016

Built and shipped the Meditation Studio app for the App Store using Swift and Objective-C. Implemented audio streaming, guided meditation sessions, and in-app subscriptions with StoreKit. Integrated Firebase for analytics, optimized playback performance, and resolved complex UI and data synchronization issues.

iOS Engineer (contract) at CauseLabs (via Robert Half)

June 1, 2014 - December 31, 2014

Designed and developed the Moneythink financial education app from user stories and mockups. Set up provisioning profiles and submitted builds to the App Store. Used Parse for server-side data and supported the delivery lifecycle using Jira, Bitbucket, Crashlytics, and TestFlight for beta distribution and crash tracking.

Mobile Engineer (contract) at SportsLabs (via Robert Half)

December 1, 2013 - June 30, 2014

Developed a series of scalable college sports applications powered by server-side data for schedules, news, and social feeds. Used Jira for Agile project management, Bitbucket for source control, Jenkins for CI, HockeyApp for crash diagnosis, and CocoaPods for dependency management including private pods.

Software Engineer (via Gorilla Logic) at Time Warner Cable

May 1, 2013 - October 31, 2013

Implemented fixes and enhancements for the TWC TV iOS app, including correcting crashing conditions and adapting to iOS UI version changes. Designed new product elements including OAuth authentication and location-based programming access.

Software Engineer at Double Encore, Inc.

September 1, 2011 - March 31, 2013

Worked on iOS projects including MLS MatchDay, PGA Championship, JetBlue, and iBike Powerhouse. Added product features such as Facebook, LinkedIn, and Twitter sharing support, plus Bango and Flurry analytics integration.

Information Systems Programmer at Metropolitan Pathologists, PC

June 1, 2008 - September 30, 2011

Supported and maintained an internal 4th Dimension lab management application used for institutional workflows.

Software Developer at Datacraft, Inc.

January 1, 2003 - Present

Wrote a component to parse medical forms and convert them to a standardized format for submission as electronic medical claims to WebMD.

Software Developer at Physician Reimbursement Systems, Inc.

January 1, 2003 - June 30, 2008

Wrote and supported a web application for medical coding reference built in 4th Dimension.

Software Developer at National Technology Transfer, Inc.

January 1, 2000 - December 31, 2002

Supported, developed, maintained, and managed projects on custom database applications.