Developed custom iOS apps from start to finish. Provided user satisfaction by creating custom UI in Xcode using Cocoa Touch classes and iOS SDK. Improved code reusability and maintainability by adhering to best Swift programming practices. Provided multiple types of data persistence to provide seamless user experience across app instantiations.Employed responsive design principles to provide high quality user experience across the full range of iOS device form factors.Minimized user wait time using code efficiency, app profiling, multi-threading, and device-sized graphics elements.Continually rolled out new features to keep users coming back for more.Internalized Apple’s Human Interface Guidelines and best mobile interaction practices so that apps easily pass Apple’s review process.Automated garment design by porting KnitFitter engine from Python to Swift. Expanded accessibility options for visually impaired users. Increased app quality by deploying TestFlight via iTunes Connect.

Improved stakeholder satisfaction by creating peer-to-peer job site design, prototype and live site.Increased market penetration by designing mobile-friendly site and overseeing iOS and Android front end app development and deployment.Beefed-up security by eliminating thousands of site vulnerabilities.Boosted concurrent requests 3-fold and response time 5-fold by profiling code and eliminating bottlenecks. Expanded site usability by implementing search and payment functionality using a RESTful API.Ramped up team performance by recruiting, training and managing in-house developers using agile development processes.Leveraged human resources by coordinating and integrating outsourced work.Oversaw geographically diverse developers through the use of github, Slack, Skype, and an internal wiki and bug tracking site.Accelerated development process by rapidly deploying site changes to AWS.Configured and debugged site using a variety of Unix shell and SQL tools.

Solved a variety of customer problems by creating custom C++ class libraries.Satisfied clients including Borland, Ordinal, KLA-Tencor, Cruzio, Persistence, Atlas GIS, Illustra, and TeraData.Projects included C++ IDE, extremely fast sorting, robotics, Internet utilities, mapping, and a variety of database systems.Designed, programmed, and maintained systems internals in C for a large RDBMS product. Guaranteed database consistency and reliability by designing and implementing hard and soft crash recovery systems that never failed in the field. Managed software development group for backend database server.