Sergo is available for hire

Sergo Beruashvili

Verified Expert in Engineering

iOS Developer

Location

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.

iOS Xcode iOS SDK Objective-C Core Data Swift AdMob SQL SQLite Lottie-iOS Vapor Git PHP PL/SQL MySQL

Portfolio

Tandem

Objective-C, Swift, iOS

Mobility LLC

Objective-C, Swift, iOS

Silknet

JavaScript, Java, MySQL, PL/SQL, PHP

Experience

SQL - 12 years iOS - 6 years Objective-C - 6 years Xcode - 6 years Swift - 4 years In-app Messaging Systems - 4 years Core Data - 4 years Encryption - 2 years

Availability

Part-time

Preferred Environment

Git, Xcode

The most amazing...

...app 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

Tandem

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

Silknet

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

Experience

Tandem

https://itunes.apple.com/us/app/tandem-language-exchange/id959001619

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

Skills

Languages

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

Frameworks

Core Data, iOS SDK, Realtime, Vapor

Libraries/APIs

Core Animation, Firebase iOS SDK, Lottie-iOS

Tools

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

Platforms

iOS, iOS 11

Paradigms

REST

Storage

SQLite, PL/SQL, MySQL

Other

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

Education

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

Collaboration That Works

How to Work with Toptal

Toptal matches you directly with global industry experts from our network in hours—not weeks or months.

Share your needs

Discuss your requirements and refine your scope in a call with a Toptal domain expert.

Choose your talent

Get a short list of expertly matched talent within 24 hours to review, interview, and choose from.

Start your risk-free talent trial

Work with your chosen talent on a trial basis for up to two weeks. Pay only if you decide to hire them.

Top talent is in high demand.

Start hiring