Available to hire
I’m Jerry Walton, a Principal Mobile Software Engineer with 30 years of experience designing scalable mobile systems. I specialize in React Native architecture, native module integration, and API development to deliver high-performance, secure solutions.
I enjoy mentoring engineers and driving cross-functional collaboration to ship impactful, user-centric features.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Language
Work Experience
Game Developer at Lightbear Software
May 1, 2025 - PresentArchitected high-performance iOS kids' games using Swift/UIKit with advanced memory management achieving consistent 60fps gameplay. Led cross-platform game porting initiative to Android, establishing shared architecture and automated deployment pipelines. Implemented comprehensive game analytics with crash reporting and player behavior tracking for data-driven game design.
Full-Stack Game Engineer at Freelance
January 1, 2025 - PresentEngineered interactive slot machine games using HTML5, TypeScript, and Pixi Game Engine with custom optimization for mobile browsers. Developed full-stack gaming platform with Python/PyGame frontend and Node.js backend, implementing real-time event processing. Built scalable game architecture supporting thousands of concurrent players with sub-100ms response times.
Backend Systems Architect at Undisclosed AI Startup
December 31, 2024 - July 30, 2025Built enterprise-scale content ingestion service using Python, FastAPI, AWS Lambda processing 10K+ requests/minute. Implemented infrastructure as code with Terraform managing complex AWS architectures including S3, MongoDB, and serverless components. Established comprehensive CI/CD pipeline with automated testing, deployment, and monitoring across multiple environments.
Senior Mobile Developer & Technical Lead at Cognizant
August 31, 2024 - July 30, 2025Led 6-person distributed development team on Kaiser Permanente iOS Platform. Achieved 67% crash reduction in Pharmacy module by implementing robust error handling and systematic debugging. Architected enterprise mobile application serving 2M+ members with comprehensive testing strategy and automated deployment. Challenged engineering status quo to establish best practices resulting in measurable quality improvements across the platform.
Lead Systems Developer at SAIC - Homeland Security
January 31, 2024 - July 30, 2025Developed secure biometric processing system using AWS Lambda, CDK, Java Spring Boot, and enterprise security protocols. Integrated third-party biometric matching software with scalable cloud architecture for government applications. Implemented comprehensive security protocols for handling sensitive biometric data at federal compliance levels.
Senior Software Engineer at Socure Inc.
January 31, 2023 - July 30, 2025Designed and developed Biometric Behavioral SDK (iOS framework) with advanced machine learning integration. Built real-time data engineering pipeline using Python, TensorFlow, NumPy processing millions of behavioral data points. Architected microservices infrastructure with Java, AWS, Terraform, and Kubernetes handling enterprise-scale biometric analysis.
Senior Software Engineer at JAMF Software
August 31, 2021 - July 30, 2025Architected enterprise Apple device management platform supporting Mac, iPhone, iPad, and Apple TV ecosystems. Developed system-level software including kernel extensions, VPN frameworks, and accessibility solutions. Built cross-platform authentication system (Jamf Unlock) using Bluetooth, NFC, Multi-peer Connectivity with comprehensive testing.
Senior Full-Stack Developer at Independent Consulting
October 31, 2021 - July 30, 2025Delivered diverse technology solutions including Swift native bridge system for TD Bank, secure CarPlay communication system for Porsche Digital, multi-brand iOS e-commerce platform optimization for GAP Inc., and real-time drone control system with DJI SDK integration for Aerial Applications.
iOS Architect/Senior Lead Developer at Tata Consultancy Services
May 31, 2017 - July 30, 2025Achieved 40% crash reduction for CVS Pharmacy iOS app through architecture refactoring. Led iOS development for Allstate Drivewise v1 managing a team of 8 offshore developers and testers. Architected and coded core driving engine for telematics platform processing millions of real-time driving events. Developed cross-platform encryption scheme securing data transmission. Led enterprise development across multiple verticals and established mobile engineering standards.
Senior Developer/Systems Consultant at Symbolic Languages
December 31, 2018 - July 30, 2025Pioneered mobile app development in early iOS/Android era, built consumer and enterprise applications. Developed hybrid mobile solutions using Xamarin, PhoneGap, and native technologies. Created web hosting infrastructure supporting hundreds of client websites with custom CMS solutions.
Systems Consultant & Web Hosting Pioneer at Personified Computing
December 31, 2000 - July 30, 2025Built high-frequency trading systems for Chicago Mercantile Exchange achieving 30% load time reduction. Established web hosting business in early internet era managing server infrastructure and domain management. Developed mainframe-to-client-server migration strategies and early e-commerce platforms with custom payment processing and inventory management.
Game Developer at Lightbear Software
May 1, 2025 - PresentArchitected high-performance iOS kids' games using Swift/UIKit with advanced memory management achieving consistent 60fps gameplay. Led cross-platform game porting initiative to Android, establishing shared architecture and automated deployment pipelines. Implemented comprehensive game analytics with crash reporting and player behavior tracking for data-driven game design.
Full-Stack Game Engineer at Freelance
January 1, 2025 - PresentEngineered interactive slot machine games using HTML5, TypeScript, and Pixi Game Engine with custom optimization for mobile browsers. Developed full-stack gaming platform with Python/PyGame frontend and Node.js backend, implementing real-time event processing. Built scalable game architecture supporting thousands of concurrent players with sub-100ms response times.
Backend Systems Architect at Undisclosed AI Startup
December 31, 2024 - July 30, 2025Built enterprise-scale content ingestion service using Python, FastAPI, AWS Lambda processing 10K+ requests/minute. Implemented infrastructure as code with Terraform managing complex AWS architectures including S3, MongoDB, and serverless components. Established comprehensive CI/CD pipeline with automated testing, deployment, and monitoring across multiple environments.
Senior Mobile Developer & Technical Lead at Cognizant
August 31, 2024 - July 30, 2025Led 6-person distributed development team for Kaiser Permanente iOS Platform. Achieved 67% crash reduction in Pharmacy module by implementing robust error handling and systematic debugging. Architected enterprise mobile application serving 2M+ members with comprehensive testing strategy and automated deployment. Promoted best practices resulting in measurable quality improvements across the platform.
Lead Systems Developer at SAIC - Homeland Security
January 31, 2024 - July 30, 2025Developed secure biometric processing system using AWS Lambda, CDK, Java Spring Boot, and enterprise security protocols. Integrated third-party biometric matching software with scalable cloud architecture for government applications. Implemented comprehensive security protocols for handling sensitive biometric data at federal compliance levels.
Senior Software Engineer at Socure Inc.
January 31, 2023 - July 30, 2025Designed and developed Biometric Behavioral SDK (iOS framework) with advanced machine learning integration. Built real-time data engineering pipeline using Python, TensorFlow, and NumPy processing millions of behavioral data points. Architected microservices infrastructure with Java, AWS, Terraform, and Kubernetes handling enterprise-scale biometric analysis.
Senior Software Engineer at JAMF Software
August 31, 2021 - July 30, 2025Architected enterprise Apple device management platform supporting Mac, iPhone, iPad, and Apple TV ecosystems. Developed system-level software including kernel extensions, VPN frameworks, and accessibility solutions. Built cross-platform authentication system (Jamf Unlock) using Bluetooth, NFC, Multi-peer Connectivity with comprehensive testing.
Senior Full-Stack Developer at Independent Consulting
October 31, 2021 - July 30, 2025Consulted on diverse technology projects including Swift native bridge system for TD Bank, secure CarPlay communication system for Porsche Digital, multi-brand iOS e-commerce platform optimization for GAP Inc., and real-time drone control system for Aerial Applications.
iOS Architect/Senior Lead Developer at Tata Consultancy Services
May 31, 2017 - July 30, 2025Reduced CVS Pharmacy iOS app crashes by 40% through architecture refactoring. Led iOS development for Allstate Drivewise v1 managing an 8-person offshore team. Architected core telematics driving engine processing millions of real-time driving events. Developed cross-platform encryption scheme securing data transmission. Established mobile engineering standards and mentored teams.
Senior Developer/Systems Consultant at Symbolic Languages
December 31, 2018 - July 30, 2025Pioneered mobile app development in early iOS/Android era for consumer and enterprise applications. Developed hybrid mobile solutions using Xamarin and PhoneGap. Created web hosting infrastructure supporting hundreds of client websites with custom CMS solutions.
Systems Consultant & Web Hosting Pioneer at Personified Computing
December 31, 2000 - July 30, 2025Built high-frequency trading systems for Chicago Mercantile Exchange with 30% load time reduction. Established early web hosting business managing server infrastructure, domains, and custom web applications. Developed mainframe-to-client-server migration strategies and early e-commerce platforms with custom payment processing and inventory management.
Game Developer at Lightbear Software
May 1, 2025 - PresentArchitected high-performance iOS kids' games using Swift/UIKit with advanced memory management achieving consistent 60fps gameplay. Led cross-platform game porting initiative to Android, establishing shared architecture and automated deployment pipelines. Implemented comprehensive game analytics with crash reporting and player behavior tracking for data-driven game design.
Full-Stack Game Engineer at Freelance
January 1, 2025 - PresentEngineered interactive slot machine games using HTML5, TypeScript, and Pixi Game Engine with custom optimization for mobile browsers. Developed full-stack gaming platform with Python/PyGame frontend and Node.js backend, implementing real-time event processing. Built scalable game architecture supporting thousands of concurrent players with sub-100ms response times.
Backend Systems Architect at Undisclosed AI Startup
December 31, 2024 - July 30, 2025Built enterprise-scale content ingestion service using Python, FastAPI, AWS Lambda processing 10K+ requests per minute. Implemented infrastructure as code with Terraform managing complex AWS architectures including S3, MongoDB, and serverless components. Established comprehensive CI/CD pipeline with automated testing, deployment, and monitoring across multiple environments.
Senior Mobile Developer & Technical Lead at Cognizant
August 31, 2024 - July 30, 2025Led 6-person distributed development team for Kaiser Permanente iOS Platform. Achieved 67% crash reduction in Pharmacy module by implementing robust error handling and systematic debugging. Architected enterprise mobile application serving 2M+ members with comprehensive testing strategy and automated deployment. Drove engineering best practices for measurable quality improvements.
Lead Systems Developer at SAIC - Homeland Security
January 31, 2024 - July 30, 2025Developed secure biometric processing system using AWS Lambda, CDK, Java Spring Boot, and enterprise security protocols. Integrated third-party biometric matching software with scalable cloud architecture for government applications. Implemented comprehensive security protocols for handling sensitive biometric data at federal compliance levels.
Senior Software Engineer at Socure Inc.
January 31, 2023 - July 30, 2025Designed and developed Biometric Behavioral SDK (iOS framework) integrating advanced machine learning models. Built real-time data engineering pipeline using Python, TensorFlow, and NumPy processing millions of behavioral data points. Architected microservices infrastructure with Java, AWS, Terraform, and Kubernetes for enterprise-scale biometric analysis.
Senior Software Engineer at JAMF Software
August 31, 2021 - July 30, 2025Architected enterprise Apple device management platform supporting Mac, iPhone, iPad, and Apple TV ecosystems. Developed system-level software including kernel extensions, VPN frameworks, and accessibility solutions. Built cross-platform authentication system using Bluetooth, NFC, and Multi-peer Connectivity with comprehensive testing.
Senior Full-Stack Developer at Independent Consulting
October 31, 2021 - July 30, 2025Delivered diverse technology solutions including a Swift native bridge system for TD Bank, secure CarPlay communication system for Porsche Digital, iOS e-commerce platform optimization for GAP Inc., and real-time drone control system with DJI SDK for Aerial Applications.
iOS Architect/Senior Lead Developer at Tata Consultancy Services
May 31, 2017 - July 30, 2025Achieved 40% crash reduction for CVS Pharmacy iOS app via architecture refactoring. Led iOS development for Allstate Drivewise v1, managing offshore team across multiple time zones. Architected core driving engine for telematics platform processing millions of real-time events with sub-second analytics. Developed cross-platform encryption securing data transmission between iOS, Android, and server components. Established mobile engineering standards and mentored teams.
Senior Developer/Systems Consultant at Symbolic Languages
December 31, 2018 - July 30, 2025Pioneered mobile app development in the early iOS/Android era building consumer and enterprise apps. Developed hybrid mobile solutions using Xamarin, PhoneGap, and native technologies. Created web hosting infrastructure supporting hundreds of client websites with custom CMS solutions.
Systems Consultant & Web Hosting Pioneer at Personified Computing
December 31, 2000 - July 30, 2025Built high-frequency trading systems for Chicago Mercantile Exchange reducing load times by 30%. Established early web hosting business, managing server infrastructure and domain management. Developed mainframe to client-server migration strategies for Fortune 500 companies and created early e-commerce platforms with custom payment and inventory management.
Game Developer at Freelance
January 1, 2025 - PresentEngineered multiple slot machine games with HTML5, TypeScript, Pixi Game Engine, and Node.js, showcasing full-stack development skills and scalable service design. Developed a slot machine game using Python, PyGame, and Node.js, emphasizing systematic API design and mobile-optimized performance strategies.
Backend Developer at Undisclosed AI startup
August 1, 2024 - December 1, 2024Backend developer for AI project to update content upload administration website using Python, Flask, AWS S3 buckets. Developed data ingestion service using Python, FastAPI, AWS Lambda, API Gateway, MongoDB, Terraform.
AI Prompt Engineer at Scale AI
August 1, 2024 - November 1, 2024Worked as an AI prompt engineer to optimize prompts to guide/coerce AI models to produce accurate and relevant responses.
Senior Mobile Developer at Cognizant
January 1, 2024 - August 1, 2024Technical Lead for iOS Mobile app project for Kaiser Permanente client. Code reviews, sprint planning, run daily standup, JIRA ticket triage, daily app defect and crash resolution. Contributed to coding effort by working tickets. 40% coding, 60% leading offshore team of 6 iOS developers.
Lead Mobile Developer at SAIC - Demo/POC for Homeland Security Bid
December 1, 2023 - January 31, 2024Lead Mobile Developer - originally hired to develop mobile app, it was assigned to another developer before I got started. Re-assigned to develop backend AWS service for app that collects Face, Fingerprint and Iris scans. Install and configuration, licensing of third-party fingerprint matching software.
Sr. Mobile Developer (Android and iOS) at Freelance projects
January 1, 2023 - December 31, 2024Projects for inmates on iPad and Android tablets - updated Movie app to use new backend service, updated ExoPlayer to use Media3/ExoPlayer (Swift, Java), developed new internet Radio app using Android (Kotlin, Jetpack Compose) and iOS (Swift, SwiftUI). P2P Message comms project using NFC and WebRTC for sending messages from iPhone and Android phones (Swift, SwiftUI, Kotlin, Jetpack Compose). Project for CrossFit exercise app - various UI and logic updates to cross-platform app (Kotlin Multi-platform, JetPack Compose, Java, OkHttp REST client, Swift, SwiftUI) released to Apple App Store and Google Play Store.
Sr. Software Engineer at Socure Inc
June 1, 2022 - January 31, 2023Updates and bug fixes to Device Risk SDK (iOS framework, Swift), design and development Biometric Behavioral SDK (iOS framework, Swift). Updates to Admin Dashboard API (REST service, Java/Scala) to handle updates to the web front-end. Data engineering to develop machine learning model and pipeline for Behavioral Biometrics sensor data using Python, Tensorflow, NumPy, Pandas. Development of biometric data ingestion service using Java, AWS S3, Terraform, AWS EKS (Kubernetes).
Sr. Mobile Developer at Lightspeed Systems
November 1, 2021 - June 30, 2022Updates and bug fixes to iOS Network extension and companion app which provided network filtering on iPads given to students.
Sr. Mobile Developer at Independent Consulting
January 1, 2019 - October 31, 2021TD Bank – develop plug-in system for extending web browser functionality via Swift native bridge; Porsche Digital – TLS/SSH over EAP to encrypt communication between iPhone and in-dash CarPlay; GAP/Old Navy/Banana Republic/Athleta – bug fixes and updates to multi-brand iOS e-commerce app; Lexmark - iOS Share extension for printing; Schedulicity - updates to iOS app; Aerial Applications - Ground Station app for iOS to control drones with DJI SDK.
Sr. Software Engineer at JAMF Software
March 1, 2020 - August 31, 2021Updates and enhancements to Jamf Connection portfolio of MacOS apps (Login, Admin, Sync, Verify) using kernel level extensions, MDM client and network extension, VPN and Security framework, remote desktop login UI with SwiftUI. Development of Jamf Unlock (Mac and iOS apps) allowing password-less sign-on to Mac.
Sr. Mobile Developer at AgSync, Inc
August 1, 2017 - January 31, 2019Enhancement and bug fixes to agriculture mobile apps for iOS and Android (Google Maps).
Sr. Developer/Computer Consultant at Symbolic Languages
October 1, 2001 - December 31, 2018Developed native/hybrid mobile apps for consumer and enterprise. Languages include Objective-C, Swift, Java, C#, C++, etc.
iOS Architect/Senior/Lead Developer at Tata Consultancy Services
August 1, 2011 - May 31, 2017Architect and Tech Lead for iOS telematics applications for Allstate Drivewise and other clients; mentored junior developers.
Computer Consultant at Personified Computing
October 1, 1986 - December 31, 2000Mainframe era applications; client-server; desktop apps; high-frequency trading systems; UNIX workstations; Windows/Mac desktops.
Education
Biology, Busines at Indiana State University
September 6, 1979 - June 23, 1983Certificate of COBOL Programming at Institute of Data Processing
August 1, 1984 - June 1, 1985Learned COBOL programming using punched cards on a mainframe computer.
Thermographer Level I at Infrared Training Center
January 1, 2019 - January 1, 2019A Level I/Category I certification gives you all the tools you need to begin your journey as a safe, capable thermographer, getting the most value out of your investment in infrared cameras and adding tremendous value to your organization or business.
Nano-degree programming Autonomous Vehicles at Udacity
January 1, 2018 - August 1, 2018Certificate for completing the Flying Car program, which covered fundamentals of programming autonomous vehicles (robot, drone) to navigate (SLAM, Python) and developing a Flight Controller that calculated 12 dimensions to control a quad-rotot drone.
Nanodegree Program at Udacity
January 1, 2018 - January 1, 2018Certificate at Institute of Data Processing
January 1, 1984 - January 1, 1984Biology, Business Management at Indiana State University
January 1, 1980 - January 1, 1983Qualifications
Flying Car Nanodegree
January 1, 2018 - December 31, 2018COBOL Programming Certificate
January 1, 1984 - December 31, 1984FAA Remote Pilot - Part 107
January 1, 2017 - December 31, 2017ITC Certified Thermographer Level 1
January 1, 2019 - December 31, 2019Flying Car Nanodegree
January 1, 2018 - December 31, 2018COBOL Programming Certificate
January 1, 1984 - December 31, 1984FAA Remote Pilot - Part 107
January 1, 2017 - December 31, 2017ITC Certified Thermographer Level 1
January 1, 2019 - December 31, 2019Flying Car Nanodegree
January 1, 2018 - December 31, 2018COBOL Programming Certificate
January 1, 1984 - December 31, 1984FAA Remote Pilot - Part 107
January 1, 2017 - December 31, 2017ITC Certified Thermographer Level 1
January 1, 2019 - December 31, 2019FAA Remote Pilot - Part 107
January 1, 2017 - February 6, 2026ITC Certified Thermographer (Level 1)
January 1, 2019 - February 6, 2026Industry Experience
Software & Internet, Gaming, Healthcare, Financial Services, Government, Retail, Manufacturing, Media & Entertainment, Professional Services, Education
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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