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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
  • 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
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.
  • Augmented Reality iOS Developer
    Vrex Lab (via Toptal)
    2017 - PRESENT
    • Created an iOS app that pushes ARKit limits. The app uses and syncs SceneKit and ARKit run loops.
    • Implemented AVAudioSession the right way. So it does not "fight" with other music playing apps.
    • Created and stable wrapper over an "unstable" third-party computer vision library.
    • Built the iMessage extension for the app.
    Technologies: Swift, ARKit, SceneKit
  • Technical Interviewer
    2017 - 2017
    • 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
    Grab (via Toptal)
    2016 - 2017
    • 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
  • Developer
    HopIN (via Toptal)
    2015 - 2015
    • Merged paid and free versions of the app into one.
    • Cleaned up code and pushed them from Dropbox to GitHub.
    • Guided customers through all releases in the App Store process.
    • Made simple changes in web pages.
    • Fixed bugs.
    Technologies: iOS, Google Maps, Objective-C, Twilio
  • iOS Developer
    Zarquon, Ltd. (via Toptal)
    2014 - 2015
    • Implemented deep linking for a social video application.
    • Implemented a channels feature for the videos.
    • Fixed bugs.
    Technologies: Objective-C, AWS S3, Push notifications
  • iOS Engineer
    Forge Factory
    2014 - 2015
    • 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
    • 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
  • How Long Will I Earn (Development)

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

    I have designed and also 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).

  • Visual Ruler (Development)

    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.

  • Pulse (Development)

    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.

  • Smart Shopping (Development)

    A service that finds the cheapest shop selling an item that a user is looking for. Items can be searched by name or barcode. The barcode can be loaded automatically via the phone's built-in camera. I implemented both front-end (web site, iOS client, Android client) and back-end (ASP.NET service) features.

  • HopIN (via Toptal) (Development)

    I have merged existing paid and free versions of the app into one, polished the app into a production-ready state, and then guided customers through the App Store release process.

  • 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.
  • 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
  • Master's degree in Artificial Intelligence
    Czech Technical University in Prague - Czech Rep.
    2009 - 2013
  • Bachelor degree in Computer Science
    Czech Technical University in Prague - Prague
    2006 - 2009
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