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Altaibayar Tseveenbayar

Altaibayar Tseveenbayar

Prague, Czech Republic
Member since June 17, 2014
Altaibayar is a full-stack developer with two years of professional experience, but his talents don't stop there. Beginning with J2ME and Windows Phone and moving on to Android and iOS, his hobby since high school has been developing independently for mobile platforms. He is an enthusiastic engineer and a responsible team member.
Altaibayar is now available for hire
Portfolio
Experience
  • C#, 13 years
  • SQL, 11 years
  • .NET, 10 years
  • T-SQL, 10 years
  • Objective-C, 6 years
  • iOS, 6 years
  • Swift, 3 years
  • Couchbase, 2 years
Prague, Czech Republic
Availability
Part-time
Preferred Environment
Xcode, Visual Studio, Windows, Mac OS
The most amazing...
...thing I've developed is a mobile platform that allows an entrepreneur to view and interact with their data in a fresh and exciting new way.
Employment
  • Augmented Reality iOS Developer
    2017 - PRESENT
    Vrex Lab (via Toptal)
    • Created an iOS app that pushes ARKit limits.
    • Implemented AVAudioSession the right way so that it does not "fight" with other music playing apps.
    • Created a stable wrapper over an "unstable" third-party computer vision library.
    • Built a iMessage extension for the app.
    Technologies: Swift, ARKit, SceneKit
  • Technical Interviewer
    2017 - 2017
    Triplebyte
    • Conducted technical interviews for YC company candidates.
    • Checked candidates' knowledge of data structures, algorithms, and architecture.
    • Assessed candidates' coding skills.
    Technologies: Algorithms
  • iOS/Android/ASP.NET Developer
    2016 - 2017
    Grab (via Toptal)
    • Made a redesign of existing iOS and Android clients.
    • Created an online ordering feature for retail.
    • Implemented a service rating feature for Android clients.
    • Created a cross-platform ASP.NET version of the app.
    • Implemented a tipping feature for the Android client.
    Technologies: Objective-C, Android, ASP.NET, MS SQL
  • iOS Engineer
    2014 - 2015
    Forge Factory
    • Designed and implemented an algorithm for the most effective route-finding in the city public transport system.
    • Managed iOS client releases and testers.
    • Developed an iOS and Android route-planning app.
    • Implemented a quiz module for iOS and Android apps.
    • Consulted on technical details with customers for many mobile applications.
    Technologies: iOS, Objective-C, Swift, Git, Android, Gradle
  • Software Engineer
    2012 - 2014
    NCR
    • Collaborated on full-stack projects with teams from the US and Europe.
    • Programmed a localization tool that exported/imported texts for translation with one click from iOS, Android, and MS SQL.
    • Coordinated the iOS client release cycle.
    • Integrated app performance, usage, and crash analyzing service used independently by multiple teams.
    • Redesigned the iOS client and developed additional features depending on the other team's feedback.
    • Created fully automatized internal custom build distribution environments and processes.
    • Built an end-to-end weather service. As a data provider, it used Hamweather service.
    Technologies: Objective-C, C#, MS SQL, WCF, Java, Couchbase, SVN
Experience
  • Kydy (via Toptal) (Development)
    https://itunes.apple.com/us/app/kydy/id1282292648

    Development of an iOS AR messenger app and also 3D model procedural generator engine. The project was accepted and funded by Chinaccelerator

  • Visual Ruler (Development)
    https://itunes.apple.com/us/app/visualruler/id1116399255

    Enables a user to use their mobile phone camera as a ruler. The user points a mobile phone camera at an object to be measured, and a reference object is recognized in real-time. According to the reference object, the size of the target object is computed. Visual Ruler uses standard computer algorithms implemented in OpenCV library.

  • How Long Will I Earn (Development)
    https://itunes.apple.com/us/app/how-long-will-i-earn/id1142178895

    iOS application that helps you to find out how long you have to earn for your favorite items (Swift, CocoaPods, Sketch)

    I designed and implemented the application. It was also to know in how much time I am able to implement a simple app. Including design + implementation + deployment it was 44.5h (5.5MDs).

  • Pulse (Development)
    https://itunes.apple.com/us/app/ncr-pulse/id477555106?mt=8

    A mobile platform that allows a business owner or company executive to view and interact with their data in a fresh and exciting new way. Leverage your existing hardware and software investments as well as your social media marketing efforts and put key elements from all aspects in the palm of your hand.

  • iTRACE (Development)

    Created an “QR like” code reading iOS app. iTRACE contacted me due to the publication I have (listed below) and they already had an app based on my publication and needed to improve performance and also polish the app. I have increased a performance from 5 FPS to 60 FPS and accuracy of the detection to near 100%

  • Grab (Development)
    https://itunes.apple.com/us/app/grab-order-airport-food/id1044645710

    Food ordering startup at airports. Originally 2-month project to help with their iOS client. In the end I was a part of the "everyone does everything" development team. I worked on iOS, Android, and ASP.NET/ASP.MVC clients. I have also created a custom branded client (ASP.NET) running on custom kiosk HW which is used by a famous sandwich chain restaurant (more restaurants coming soon)

  • OpenCV Tutorial: Real-time Object Detection Using MSER in iOS (Publication)
    Detecting objects of interest in images has always been an interesting challenge in the realm of computer vision, and many approaches have been developed over recent years. As mobile platforms are becoming increasingly powerful, now is the perfect opportunity to develop interesting mobile applications that take advantages of these algorithms. This article walks us through the process of building a simple iOS application for detecting objects in images.
Skills
  • Languages
    Objective-C, C#, Java, Swift, T-SQL, Pascal, SQL, Python
  • Frameworks
    Cocoa, Windows Communication Framework (WCF), .NET, ASP.NET
  • Tools
    Visual Studio, Xcode, Android Studio, Eclipse IDE
  • Paradigms
    Agile Software Development, Concurrent Programming
  • Platforms
    Mac OS, iOS, Windows, Android, Windows Mobile
  • Storage
    Microsoft SQL Server, NoSQL, Couchbase
  • Other
    Augmented Reality (AR)
  • Libraries/APIs
    OpenCV
Education
  • Master's degree in Artificial Intelligence
    2009 - 2013
    Czech Technical University in Prague - Czech Rep.
  • Bachelor degree in Computer Science
    2006 - 2009
    Czech Technical University in Prague - Prague
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