Publication
iOS Centralized and Decoupled Networking: AFNetworking Tutorial with a Singleton Class
https://www.toptal.com/developers/ios/afnetworking-tutorial-with-a-singleton-class
James is available for hire
Hire JamesJames Cahall
Verified Expert in Engineering
iOS Developer
Carlsbad, CA, United States
Toptal member since October 17, 2016
Bio
James is a results-driven, can-do, and entrepreneurial engineer with 15 years of C-level experience and 20+ years of professional engineering. He consistently delivers successful bleeding-edge products to support business goals. He's an architect in innovative tech initiatives that add to and accelerate business revenue streams. He's the architect and lead developer of OTTera, Inc., a white-label OTT provider servicing 100+ OTT services and 2000+ Linear Channels used by over 500 million users.
Portfolio
OTTera, Inc.
Web Technologies, Roku, Tizen, HTML5, Android TV, tvOS, Android, iOS, On-demand...
Digital Media Interactive LLC
OpenGL Shell, CSS3, HTML5, JavaScript, Unity, Cocos2d, Adobe Illustrator...
Toon Goggles, Inc.
Unity, Cocos2d, Adobe Illustrator, Adobe Photoshop, Big Data, Analytics...
Experience
- Design - 15 years
- JavaScript - 15 years
- iOS - 8 years
- PHP - 6 years
- Scalability - 6 years
- Android - 6 years
- Java - 6 years
- Smart TV - 5 years
Preferred Environment
TextWrangler, Android Studio, Xcode, MacOS, Visual Studio Code (VS Code)
The most amazing...
...thing I've built is the application architecture for OTTera, Inc., which is used by over 500 million users worldwide.
Work Experience
CEO | CTO
2017 - PRESENT
OTTera, Inc.
- Architected and built over 100 OTT services for iOS/tvOS, Android, AndroidTV, FireTV, Roku, HTML5 (Samsung, LG, VIZIO, etc.) and web.
- Led small and medium teams of developers to produce highly scalable products used by over 500 million users worldwide.
- Developed services for unique platforms like Cars (Apple CarPlay, Android Auto), Planes, and VR Headsets (Vision Pro and Meta Quest).
Technologies: Web Technologies, Roku, Tizen, HTML5, Android TV, tvOS, Android, iOS, On-demand, Videos, 360° Video, Amazon S3 (AWS S3), Audio, CSS3, Connected Cars, Drupal, Git, Eclipse, Xcode, Jira, Java, Linux, MySQL, MacOS, OS X, PHP, Python, Swift, Text-to-Speech (TTS), TV, Unix, UDP, PC, Slack, Web, Zoom, Visual Studio Code (VS Code), Android Studio, In-app Purchases, Virtual Reality (VR), Video.js, Streaming, Over-the-top Content (OTT), Distribution, Cloud, CTO, CIO, Innovation, CEO, jQuery, Skype, Video Streaming
Chief Technical Officer | Co-founder
2010 - PRESENT
Digital Media Interactive LLC
- Oversaw and developed over 50 technology development projects since 2010 for Fortune 500 large businesses, small businesses, medical and educational institutions, high-profile celebrities, and individuals.
- Acted as the main point of contact for client technology development, as well as consultations on business development and strategy.
- Built a multi-technology (WiFi/Bluetooth/NFC), cross-platform device-to-device networking for both large and small data communication.
- Developed the Anywhere Artist robust (PAAS) frameworks for musicians.
- Performed rapid color analysis of images, videos, and live feeds to aid software developers, as well as professional medical applications.
- Worked as an early-stage tech advisor and virtual CTO for numerous companies.
- Performed advanced OpenGL integrations with live-video processing of single or multiple input streams.
Technologies: OpenGL Shell, CSS3, HTML5, JavaScript, Unity, Cocos2d, Adobe Illustrator, Adobe Photoshop, Big Data, Analytics, Virtual Reality (VR), C, C++, Windows, BrightScript, RabbitMQ, Redis, Sails.js, Node.js, MongoDB, MySQL, NGINX, Apache, Linux, Android, iOS, Video Streaming
Chief Technical Officer
2010 - PRESENT
Toon Goggles, Inc.
- Led the technology development from the scalable server infrastructures and video transcoding/delivery to native applications for mobile devices, connected TVs, desktops, cars, and responsive web.
- Worked as a key player in bringing once-niche technologies mainstream, including HLS, HEVC, MPEG-DASH, 4K UHD, OpenGL live video processing, and 360 videos while developing them for TG.
- Grew the company to $15 million in technology value over six years with a budget of under $1 million over the same period.
- Pioneered new technologies and secured patents for connected toys, next-generation advertising, and augmented reality.
- Architected a platform to enable white-label Platform-as-a-Service (PaaS) revenue streams, which resulted in $100 million+ yearly revenue as the service grows.
- Received and awarded the Innovation Award from Kaltura, Inc.
- Oversaw a 50+ seat local and remote mixed development team and performed hands-on development on all initiatives.
- Served as a board member on behalf of TG for the nonprofit Youth Education for Success Foundation and a technology advisory board member for Kaltura, Inc.
Technologies: Unity, Cocos2d, Adobe Illustrator, Adobe Photoshop, Big Data, Analytics, Virtual Reality (VR), OpenGL Shell, C, C++, Windows, BrightScript, RabbitMQ, Redis, Sails.js, Node.js, MongoDB, MySQL, NGINX, Apache, Linux, CSS3, HTML5, JavaScript, Android, iOS, Video Streaming
Advanced Technical Leadership Program Engineer
2005 - 2011
Lockheed Martin Corporation (Skunk Works)
- Worked as a structural design engineer for numerous projects and as the team lead for a $15M military aircraft. Designed parts, oversaw production, and supported field-testing of projects, including the F-117 stealth fighter.
- Implemented the 3D modeling in CATIA for various projects.
- Carried out a Finite Element analysis for various projects.
- Involved fully in the design creation from the cradle to the grave.
- Managed the program for various aerospace design projects.
Technologies: Finite Element Analysis (FEA), Unix, Linux, Microsoft Access, Microsoft Word, Microsoft Excel, SOLIDWORKS, CATIA
New Page Pianist | Producer
2008 - 2010
James Cahall
- Recorded, produced, and released 38 New Age piano works.
- Worked in public relations, did bookings, did web development, and had piano performances.
- Performed in various music venues throughout the world.
Technologies: Apple Logic Studio, CSS3, HTML5, JavaScript
Experience
Toon Goggles, Inc.
http://www.toongoggles.comA global $50M+ on-demand entertainment company providing the world’s largest collection of professionally produced, curated videos, games, music, and interactive books for kids.
Various DMI Development Projects
50+ confidential projects which includes work doing:
1) Advanced OpenGL integrations with live video processing of single or multiple input streams.
2) Multi-technology (WiFi/Bluetooth/NFC), cross-platform device-to-device networking for both large and small data communication.
A few of the non-confidential project examples include:
1) Akers BioMed Color Analysis of Specimens.
2) Beyond Limits Biomedical Artificial Intelligence.
3) BioMetallics Breathalyzer Color Analysis.
4) Cozzia Massage Chair Software.
5) Google Cardboard 360 Video Player.
1) Advanced OpenGL integrations with live video processing of single or multiple input streams.
2) Multi-technology (WiFi/Bluetooth/NFC), cross-platform device-to-device networking for both large and small data communication.
A few of the non-confidential project examples include:
1) Akers BioMed Color Analysis of Specimens.
2) Beyond Limits Biomedical Artificial Intelligence.
3) BioMetallics Breathalyzer Color Analysis.
4) Cozzia Massage Chair Software.
5) Google Cardboard 360 Video Player.
Color Companion
https://itunes.apple.com/us/app/color-companion-analyzer-converter/id477794973?mt=8This does rapid color analysis of images, videos, and live feeds to aid software developers as well as professional medical applications.
ReactionGrab
A video application with OpenGL processing to support concurrent recording of an existing video with a live video feed to capture the user's reaction.
Service Pair
A construction industry work-pairing service.
Anywhere Artist
A robust (PaaS) framework for musicians. Musicians can use the framework to release iOS applications that aggregate music, social media, videos, links, and more. 50+ applications have been developed with this framework.
Talley Materials Calculator
https://itunes.apple.com/us/app/talley-materials-calculator/id903907502?mt=8A tool for the paving, pavement maintenance, and grading professional. Included in the app are:
1) Calculators for asphalt, sand, gravel, road oils/emulsions, ready mix, and aggregates,
2) Oil spread rates for chip seals.
3) A GPS measuring tool.
4) A counter to count loads etc.
5) A spreader truck calibration tool.
1) Calculators for asphalt, sand, gravel, road oils/emulsions, ready mix, and aggregates,
2) Oil spread rates for chip seals.
3) A GPS measuring tool.
4) A counter to count loads etc.
5) A spreader truck calibration tool.
WorldScreen.com
World Screen is a 40-year-old publication covering the international media business. In print and online, it provides news and analysis on global media industry trends, as well as insightful, exclusive interviews with leading executives.
Education
2004 - 2005
Master's Degree in Aerospace Engineering
Cal Poly San Luis Obispo - San Luis Obispo, CA, USA
2000 - 2005
Bachelor's Degree in Aerospace Engineer
Cal Poly San Luis Obispo - San Luis Obispo, CA, USA
Skills
Libraries/APIs
REST APIs, GPUImage, jQuery, jQuery UI, OpenGL, Node.js
Tools
Adobe Photoshop, CATIA, Git, Basecamp, Amazon CloudFront CDN, Apple Logic Studio, Basalmiq, Skype, Slack, SOLIDWORKS, Adobe Illustrator, Apache, Xcode, Android Studio, TextWrangler, RabbitMQ, Microsoft Excel, Microsoft Word, Microsoft Access, Chef, NGINX, Jira, Apple HomeKit, OmniGraffle, Zoom
Languages
HTML5, JavaScript, Java, CSS3, Objective-C, PHP, BrightScript, Swift, Ruby, Bash Script, C, C++, Python
Frameworks
Angular, Cocos2d, Ruby on Rails (RoR), CakePHP, Sails.js, Unity, Video.js
Paradigms
RESTful Development, Object-oriented Programming (OOP), HL7 FHIR Standard
Platforms
Web, WatchOS, Apple TV, Android TV, Google TV, MacOS, Android, iOS, Amazon Web Services (AWS), WordPress, Linux, Drupal, Unix, tvOS, Tizen, New Relic, AWS Lambda, Windows, Eclipse, OS X, PC, Visual Studio Code (VS Code)
Industry Expertise
Project Management, Marketing
Storage
MySQL, Amazon S3 (AWS S3), Redis, MongoDB, NoSQL
Other
Design, Smart TV, Architecture, Prototyping, Scalability, Videos, Video Encoding, Connected Cars, Software Architecture, Big Data Architecture, Mixed Reality (MR), Google, Front-end Development, Video Streaming, Augmented Reality (AR), Algorithms, Virtual Reality (VR), Video & Audio Processing, 360° Video, Data Structures, Social Media Strategy, Business Development, Localization, Game Development, Android Wearables, Digital Advertising, Peer-to-peer Networking, Analytics, Shaders, Color Theory, Home Automation, Audio, Near-field Communication (NFC), WiFi Direct, Bluetooth, OpenGL Shell, Finite Element Analysis (FEA), On-demand, Web Technologies, Biomedical Skills, Big Data, Artificial Intelligence (AI), Roku, Hardware, Text-to-Speech (TTS), TV, UDP, In-app Purchases, Streaming, Over-the-top Content (OTT), Distribution, Cloud, CTO, CIO, Innovation, CEO, Aeronautics
Collaboration That Works
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