Lead Mobile Developer @ From February 2015 to Present (10 months) Birmingham, United KingdomSoftware Developer @ Responsibilities: - Producing detailed specifications - Working closely with designers - Developing software according to specifications - Testing and gathering feedback from the pre-release testers - Participation in software release - Supporting existing released products Technologies: Objective-C, Swift, Java, C#, Xamarin, git Platforms: iOS and Android From March 2014 to January 2015 (11 months) Birmingham, United KingdomFreelance iOS and OS X developer @ Responsibilities: - Reviewing current systems - Presenting ideas for system improvements, including cost proposals - Managing client expectations - Working closely with analysts and designers - Producing detailed specifications - Developing software according to specifications - Testing and gathering feedback from the pre-release testers - Participation in software release and post-release activities - Maintaining the systems once they are up and running Technologies: Objective-C, C++, C, SQL, PHP, HTML, git Platforms: OS X and iOS From May 2011 to March 2014 (2 years 11 months) Birmingham, United Kingdom

Bachelor's Degree, Computer and Information Sciences, General @ Rigas Tehniska Universitate From 2001 to 2007 Sergey Bolshedvorsky is skilled in: Software Development, Project Management, Software System Analysis, iOS Development, OS X Development, Android Development, Agile Project Management, Objective-C, C#, C++, Java, Swift, Lean Startup, Xamarin, Unit Testing, Continuous Integration, WatchKit