Sergo Beruashvili, Developer in Berlin, Germany
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Sergo Beruashvili

Verified Expert  in Engineering

iOS Developer

Berlin, Germany
Toptal Member Since
November 30, 2018

Sergo has several years of experience in iOS development and has shipped more than 20 apps to the App Store. He is passionate about creating pixel-perfect and fluid user interfaces that run smoothly with at least 60 FPS. He also has experience with end-to-end encryption, data protection and security, real-time messaging systems, debugging performance issues, and back-end/server-side development.



Preferred Environment

Git, Xcode

The most amazing... I've developed was Tandem, an app that facilitates matching people up who want to do a language exchange.

Work Experience

Senior iOS Engineer

2013 - PRESENT
  • Rated as one of the "Best 25 Apps of 2015" by Apple.
  • Was chosen as "Editor's Choice" and featured in "App of the Day" multiple times.
  • Integrated multiple payment systems.
  • Installed real-time messaging and synchronization systems.
  • Implemented end-to-end encryption to secure traffic.
Technologies: Objective-C, Swift, iOS

iOS Engineer

2012 - 2015
Mobility LLC
  • Shipped multiple projects in the App Store e.g., pharmacy app, a tourist guide, a job searching app, and an internet service provider's customer app.
  • Built a code generator tool that allowed us to reuse high amount of code among projects.
  • Implemented an in-app payment system.
  • Worked on B2B/B2C projects.
Technologies: Objective-C, Swift, iOS

Software Engineer

2011 - 2013
  • Created an SMS system and API.
  • Built a monitoring and reporting tool for internet transmitting devices.
  • Developed in-house software including a CRM, HR, and warehouse.
  • Created a time-management system for employees.
Technologies: JavaScript, Java, MySQL, PL/SQL, PHP

This is an app that helps you find native speakers of almost any language who want to learn your language in exchange.
2012 - 2014

Master's Degree in Information Technology

Tbilisi State University - Tbilisi, Georgia

2008 - 2012

Bachelor's Degree in Business Administration

Tbilisi State University - Tbilisi, Georgia


Core Animation, Firebase iOS SDK, Lottie-iOS


Xcode, MQTT, Facebook Ads SDK, Firebase Analytics, Apple Push Notifications, Git


Core Data, iOS SDK, Realtime, Vapor


Objective-C, Swift, SQL, PHP, Java, JavaScript


iOS, iOS 11






In-app Messaging Systems, AdMob, Networks, Encryption, HTTP REST

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