sergkostrykin
Sergey Kostrykin
Kharkiv, Ukraine

iOS/macOS software engineer with 5+ years mobile development experience, strong knowledge OOP principles and design patterns, Xcode working practice. I am constantly striving to learn new technologies and look to ways to better myself in this rapidly changing industry. Results oriented with years of experience in early stage startups in industries ranging from social to finance. Among my projects US and Israeli startups in filed of financing, geolocation and navigation services, social networks, audio and video processing features. Passionate about building user-friendly mobile software that solves problems. I’m looking for a new challenge that lets me build fancy, responsive and stable iOS/macOS native applications. Specialties: Swift, Objective C Technologies/Knowledge Utilized (but not limited to): Full knowledge of software product development cycle in start-up and established companies with both waterfall and agile methodologies. Most Current: Swift, Objective-C, Dart, C++, PHP, SQL, HTML, CSS, XML, JSON, GraphQL Frameworks: Foundation, UIKit, Cocoa, CoreGraphics, CoreData, CoreLocation, User Notifications, Notification Service Extension, In-App Purchases, Socket I/O, AFNetworking, AVFoundation, AudioToolbox, CocoaPods, MapKit, Contact, Alamofire, FacebookSDK, Crashlytics, GooglePlacesAPI, GoogleMapsAPI, iBeacons, Google Firebase, ZendeskChat, Google Analytics, Google AdMob, Applovin, Flutter.

CodersRank Score

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This represents your current experience. It calculates by analyzing your connected repositories. By measuring your skills by your code, we are creating the ranking, so you can know how good are you comparing to another developers and what you have to improve to be better

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78.7
CodersRank Rank
Top 6%
Top 50
Objective-C
Objective-C
Developer
Ukraine
Top 50
Swift
Swift
Developer
Ukraine
Highest experience points: 0 points,

0 activities in the last year

List your work history, including any contracts or internships
MWDN Ltd
Jun 2015 - Aug 2020 (5 years 2 months)
Kharkiv, Ukraine
Senior iOS/macOS Developer
Design separate components, modules, classes, database tables etc.
Code, debug, document, and maintain portions of software
Participate in estimation and planning sessions
Individual
Nov 2014 - Aug 2020 (5 years 9 months)
Kharkiv, Ukraine
iOS Developer
Wader
Apr 2007 - Apr 2015 (8 years)
Kharkiv, Ukraine
Team Manager
Web Developing using CMS Drupal.

Projects: kiddyland.com.ua, wader.com.ua, die-cast.com.ua

Add some compelling projects here to demonstrate your experience
Wader Online Store
Jan 2013 - Jan 2013
This section lets you add any degrees or diplomas you have earned.
National Aerospace University -'Kharkiv Aviation Institute'
Master of Engineering (M.Eng.), Biomechanical Engeneering, Software Development
Dec 1999 - Dec 2005
Certificate of Completion
Sep 2015

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