Mario Bragg
Wellington,FL
Summary
Experienced Software Development Leader with a rich background spanning over 25 years in the industry, including 10 years in management. Fosters collaboration and drives team success through effective communication and a strong commitment to mentorship. Delivers high-quality software solutions and eager to leverage experience in a hands-on role.
Overview
26
26
years of professional experience
Work History
Principal Software Engineer / Engineering Manager
Cyberight Network Security (Formerly OPTM)
10.2021 - 04.2024
- Led Backend Services team consisting of five developers primarily developing in NestJS, TypeScript, Jest, Apollo GraphQL, Kafka, Axios, AWS, Microservices, gRPC, OpenTelemetry, TypeORM, and Docker.
- Led iOS Mobile client team supporting iOS (Swift/SwiftUI), macOS (Swift/SwiftUI/Cocoa).
- Primary developer for core libraries and backend services including federated GraphQL, SaaS multi-tenancy, analytics & reporting framework and Timescale DB.
- Authored iOS Network Extensions using the Wireguard protocol for Zero Trust mesh network connectivity.
Principal Software Engineer / Engineering Manager
Xevo (Later Acquired by Lear Corp)
06.2018 - 09.2021
- Directed a team of 15 iOS, Android and React Native Mobile Engineers on the development of GM MyBrand and Guardian applications
- Rewrote the CarPass BLE feature to interface with the new React Native app version of My Brand apps
- Implemented ASA In-Command RV integration with GM vehicles, enabling BLE control of HVAC, fluids, lights, and generators
- Predominantly used MVVM design pattern in MyBrand Apps
- Designed and implemented a Machine Learning POC (iOS) which utilized the iPhone's video feed to analyze dashboard warning lights and provide solutions to those warnings by linking to the vehicle user manual and online help.
Lead Software Engineer
Magic Leap
06.2016 - 05.2018
- Designed and implemented iOS companion app for the Magic Leap AR Headset
- Utilized BLE and Motion to provide headset functionality of: 3 DoF / 6 DoF controller, keypad, touchpad with multi-touch
- Implemented external display feature to mirror the headset video feed
Lead IOS Engineer
Office Depot
02.2016 - 06.2016
- Lead iOS developer for e-Commerce division working primarily on the Office Depot mobile app
- Implemented the Apple Pay feature.
- Debug concurrency / multi-thread bugs
Lead Software Engineer
OpenPeak
11.2012 - 01.2016
- Lead engineer on company's universal, secure, enterprise grade Personal Information Manager (PIM) application
- Optimized PIM's Exchange Sync algorithm, resulting in a 4x performance improvement on iPhone 5S and newer H/W and a 2x reduction in data downloaded from server
- Redesigned Core Data stack from traditional 'thread confinement' pattern to use a nested MOC stack with asynchronous data store I/O
- Engineering lead for partner/customer on-site tiger team activities to resolve complex environmental issues affecting data throughput and client side processing
Lead IOS Engineer
ARINC
06.2011 - 11.2012
- Designed iPad application for the company's core Fight Services business from the ground up
- Application communicates with the core network using RESTful interface with JSON and an always open TCP stream
- Utilizes complex multi-threaded features and interactions
- Application utilized many frameworks, including: CoreData, CFNetwork, EventKit, MessageUI, CoreText, Quicklook, Quartz, CoreGraphics
Software Engineer / Manager
Motorola, Mobile Devices
04.1998 - 01.2009
- Designed, implemented and managed carrier customization architecture for embedded Windows Mobile 3G Platform in a C++ development environment
- Trained and managed engineering teams in Florida, Italy, Brazil and China with 5-8 engineers at each site
- Integrated wireless 802.11b component into Symbian smart phone product. Assisted third party vendor to debug WLan component issues. Collected and analyzed 802.11b and TCP / IP traces to help isolate bugs in code.
Education
MS - Computer Science
Roosevelt University
01.2003
BS - Electronics Management
Southern Illinois University
01.1998
Skills
- Swift / SwiftUI / Objective-C
- CarPlay / Apple Watch
- MVC / MVVM
- Bluetooth Low Energy (BLE)
- React Native / JavaScript / TypeScript
- REST / GraphQL (federation)
- Backend / Services
- SQL / PostgreSQL / TypeORM
- NodeJS / NestJS
- Microservices
- GRPC
- OpenTelemetry / Crashlytics
Patents
US20230273431A1, Methods and apparatuses for providing input for head-worn image display devices
Timeline
Principal Software Engineer / Engineering Manager
Cyberight Network Security (Formerly OPTM)
10.2021 - 04.2024
Principal Software Engineer / Engineering Manager
Xevo (Later Acquired by Lear Corp)
06.2018 - 09.2021
Lead Software Engineer
Magic Leap
06.2016 - 05.2018
Lead IOS Engineer
Office Depot
02.2016 - 06.2016
Lead Software Engineer
OpenPeak
11.2012 - 01.2016
Lead IOS Engineer
ARINC
06.2011 - 11.2012
Software Engineer / Manager
Motorola, Mobile Devices
04.1998 - 01.2009
BS - Electronics Management
Southern Illinois University
MS - Computer Science
Roosevelt University
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