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Samuel Williams, Objective-C Developer in New York, NY, United States
Samuel Williams

Objective-C Developer in New York, NY, United States

Member since August 2, 2016
Sam has been focusing on iOS development for over seven years, on top of extensive full-stack experience. He's helped launch web and mobile startups, and his solo apps have been downloaded hundreds of thousands of times and reached top lists in the App Store; one was a Staff Pick. He takes pride in owning a product from start to finish, making sure the UX is polished and the code is solid.
Samuel is now available for hire


  • NexTravel
    Swift, iOS
  • Wink, Inc.
    Objective-C, iOS, watchOS, Ruby on Rails, ZigBee, Z-Wave
  • Yelli
    Objective-C, Ruby on Rails, iOS


  • iOS, 7 years
  • Objective-C, 6 years
  • Ruby on Rails (RoR), 6 years
  • Ruby, 6 years
  • Git, 5 years
  • Swift, 1 year
New York, NY, United States



Preferred Environment

Mac OS, Xcode, Git

The most amazing...

...project I'm working on is a conversational AI for education.


  • iOS Contractor

    2015 - 2016
    • Designed and built the iOS app, which allows people to search for and book flights, hotels, and cars.
    • Collaborated with the server engineer to help design a RESTful JSON API.
    Technologies: Swift, iOS
  • iOS Developer

    2013 - 2015
    Wink, Inc.
    • Built large sections of the home automation platform app, which communicated with back-end servers, local devices, and third-party APIs.
    • Built the first version of the watchOS app.
    • Assisted with occasional server work.
    • Prototyped experimental features, like iBeacon support, voice control, and dynamic contextual interfaces.
    • Helped design and build a framework for interacting with diverse devices (both local and remote) with a consistent interface.
    Technologies: Objective-C, iOS, watchOS, Ruby on Rails, ZigBee, Z-Wave
  • iOS and Web Developer

    2012 - 2012
    • Built over half of the website.
    • Assisted with the website's relaunch.
    • Designed and built the accompanying iOS app.
    Technologies: Objective-C, Ruby on Rails, iOS
  • Web Developer

    2008 - 2009
    • Helped finish the website as a contractor and stayed on as a full-time employee.
    • Helped with the site's public launch.
    Technologies: Ruby on Rails, Heroku, MySQL
  • Web Developer

    2006 - 2008
    • Built a large portion of the website.
    • Hired and led a four-person web development team.
    • Dealt with database scaling issues.
    • Assisted with the site's public launch.
    Technologies: Ruby on Rails, MySQL, JavaScript, HTML, CSS



  • Languages

    Ruby, Objective-C, Swift, Swift 3, Swift 2, Python, CSS, HTML, JavaScript
  • Paradigms

    Object-oriented Programming (OOP), Object-oriented Design (OOD), Protocol-Oriented Programming
  • Platforms

    iOS, MacOS, watchOS
  • Frameworks

    UIkit, Ruby on Rails (RoR), ZURB Foundation, Bootstrap, WatchKit, AppKIt, Core Data
  • Libraries/APIs

    Alamofire, jQuery, Facebook API, ThinkingSphinx, Core Animation, Core Image, HealthKit
  • Tools

    Adobe Photoshop, Git, Xcode
  • Storage

    PostgreSQL, MySQL, SQLite, MongoDB


  • Bachelor of Science in Computer Science
    1997 - 2002
    Caltech - California
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