David Sinclair of Dejal Systems, LLC offers contract development services. He specializes in macOS and iOS development. With more than a quarter century of commercial Mac programming experience, and about a decade on iOS, he brings a rich set of skills to any project. David is willing to consider long- or short-term projects, on an hourly, milestone, or per-job basis, working from his home office near Portland, Oregon.

Some attributes include:

• Three decades of Mac development.
• Over a decade of iOS development.
• A commitment to quality.
• Experience with SwiftUI, Swift, Objective-C, C, Pascal, PHP, and other languages.
• Excellent user interface design skills.
• Fine attention to detail; likes things to be just right.
• Many years experience with the medical software industry.
• Experience with taking over an existing product, and starting new ones.
• Skilled at translating a vague description into a finished product.
• An ethical and honest relationship with clients.

Examples of David's own released apps:

• Simon: a powerful server & website monitoring tool for macOS.
• Time Out: a break reminder tool for macOS.
• Pack: a simple packing list app for iOS and watchOS.
• Date Stamp: customizable date stickers for iMessage.

Plus older apps that have been acquired or discontinued:

• Narrator: an app to read stories in multiple voices for macOS.
• Caboodle: a snippet keeper app for macOS.
• BlogAssist: an HTML markup system menu for macOS.
• Tweeps: a Twitter management utility for iOS.

Examples of code can be found on the Dejal developer site or Dejal GitHub page, including:

• DejalActivityView: a popular iOS project to display a spinning activity indicator as a simple, bezel or keyboard-covering style.
• DejalIntervalPicker: a Mac project to provide a custom control similar to NSDatePicker, but for time intervals or ranges.
• Several collections of category methods for iOS and macOS.
• Contract work on third-party open-source apps, including NewsBlur.
• Contract work on third-party components, including MBTableGrid for Tap Forms, and other private components.
• Contributions to other open source projects.

Examples of work on some publicly-available consulting projects:

• SheetPlanner: a rich productivity app with an outliner, timeline, calendar, and more, for macOS.
• NewsBlur: a popular open-source RSS reader for iOS (and other platforms).
• Turn Touch: the iOS and macOS apps for a beautiful wooden remote for your smart home.
• Client Folder Maker: a tool to make custom hierarchies of folders, for macOS.
• Keynote Extractor: a better HTML export for Apple Keynote, for macOS.
• zCloud: a menubar utility for macOS to easily share screenshots and other files.
• Profile: a large server/client medical practice management system for iOS and macOS.
• MindFortress: an macOS "digital wallet" for secure information.
• iData: a freeform database app for macOS.
• Plus several components of Simon written on a contract basis, including the Email Cycle service, History filter, Context filter, and others.

If you are interested in learning more or obtaining a quote, please email David.