BACK to search results
Serhii N.
Last update: 16 Jan 2018
SENIOR
Senior iOS Developer
Competent engineer with 5+ years of commercial experience in design and development of iOS-based solutions using Swift, Objective-C, Xcode, AppCode, and Xamarin.
Commercial experience centers around the development of AI-powered products mainly for the eLearning industry.
Hands-on expertise in the integration of RESTful API into iOS apps.
Consulting and bug fixing experience with Android solutions.
Solid knowledge of networking, concurrency, and multithreading.
All rates are indicative, annual rate includes 20% discount
20% discount on yearly basis
Usually responds within 1 hour
GMT+3 Middle East
Lviv,Kyiv,Odesa/Ukraine

EXPERIENCE

Industry Experience

Education & Science, Sports & Fitness, Information services & Technologies

Product Experience

Mobile apps for learning English, e-learning solutions, Healthcare and fitness app for iOS, Live calendar

PORTFOLIO HIGHLIGHTS

Feb `15 – May `17

2 years

AI- and NLP-driven language learning solution

Senior iOS Developer

- Designed the core business logic for the iOS platform architecture - Implemented MVVM architecture for the entire application - Configured the project structure - Developed the cross-platform UI using Xamarin Forms - Designed and implemented animation and graphics - Designed and implemented interface for accessing the network - Implemented audio player - Implemented custom animation

Austrian company providing software solutions for foreign language learners

The customer requested to develop a groundbreaking application that would combine high quality content, artificial intelligence, natural language processing technologies, and an automatic corrective feedback functionality based on the Leitner methodology. The mobile application was built from scratch using Xamarin and was supported on Android and iOS devices. Also, it came with a portable backend and platform-specific UI.

Technologies Stack:

C# Cassandra Objective-C Xamarin HTML JSON SQLite Lucene iOS Operating System Android Operating System

Industry:

Education & Science

Product:

Mobile apps for learning English

Feb `13 – Feb `15

2 years

Multi-platform vocabulary e-learning application

iOS Developer

- Designed the system architecture for the iOS and Android platforms - Developed and integrated functionality to ensure the communication between the in-house hardware devises and mobiles via TCP and HTTP - Implemented the gyroscope modules - Developed the functionality for huge size data processing on mobile devices - Developed and implemented features for the data (audio tracks) fetching - Implemented the functionality for heavy video streaming via slow Wi-Fi

German provider of eLearning software solutions.

It was a multi-language vocabulary training application that used the methodology of flashcards with specific practice intervals. Users could enrich their lexicon and lock vocabulary into a long-term memory by choosing from a variety of digital content files in the In-App Store. The client-server solution was built on a layered architecture and supported on the most popular platforms: Android, iOS, macOS, and Windows.

Technologies Stack:

JavaScript JIRA Objective-C Xcode Apache Subversion (SVN) Git Swift RESTful API SQLite CocoaPods AppCode iOS SDK

Industry:

Education & Science

Product:

e-learning solutions

Jun `12 – Feb `13

8 months

Suite of healthcare and fitness apps for iOS

iOS Developer

- Integrated the auto layouts support - Implemented the XML Parsing logic using the DOM approach - Developed the layout using Interface Builder - Set up the build process using TestFlight

Software company

The challenge was to enhance the capabilities of a suite of iOS applications for a Switzerland-based healthcare companies. - Health app: Arranges appointments in health centers across Switzerland, looking for therapists and fitness centers, as well as provides exhaustive information on the most important emergency numbers. - Invoice app: Processes invoices after a doctor's visit. - Fitness app: Provides regular health tips on wellness, fitness, and nutrition to adopt a healthier lifestyle.

Technologies Stack:

Objective-C Xcode Apache Subversion (SVN) RESTful API SQLite iOS SDK

Industry:

Sports & Fitness

Product:

Healthcare and fitness app for iOS

Oct `11 – Feb `13

1 year

iPhone live calendar

iOS Developer

- Developed the UI, including animation effects - Implemented skins support - Developed the 3D tag cloud for contact search - Implemented drop-down typing suggestions for the contact search functionality - Performed bug fixing of complex technical issues - Dealt with high performance drawing of routes on maps using Google Direction RESTful API

Software company

Live calendar was a full-featured calendar with extended events and Google synchronization. The application functionality included events notifications, synchronization among user devices, and free time finder.

Technologies Stack:

Objective-C Xcode Apache Subversion (SVN) SQLite Google Maps SDK iOS SDK

Industry:

Information services & Technologies

Product:

Live calendar

EDUCATION

Lviv Polytechnic National University

Master’s degree – Engineering Mechanics

Web & mobile development agency #105

400+
Lviv,Kyiv,Odesa/Ukraine
GMT+3

Industries

Education & Science, E-Commerce & Retail, Entertainment & Games, Construction & Real estate, Advertising & Marketing, Internet & Telecom, Law & Government, News & Media, Healthcare & Medicine

Cloud-based web and desktop solutions

MORE TALENT AVAILABLE AT THIS AGENCY

All rates are indicative, annual rate includes 20% discount
view Profile
Updated: 16 Jan 2018
iOS Developer
Qualified software engineer with 4.7 years of practical experience in Objective-C programming using Xcode, Xamarin, SourceTree, SvnX, and UIKit. Hands-on background in the RESTful API integration int...
4 Projects completed
GMT+3 Middle East
All rates are indicative, annual rate includes 20% discount
view Profile
Updated: 16 Jan 2018
Senior Web Developer
Versed full-stack developer with over 7 years of commercial experience in development of CMS, web shop engines, and Zend Framework-based applications. Core technology stack spans JavaScript, HTML, CSS...
4 Projects completed
GMT+3 Middle East
All rates are indicative, annual rate includes 20% discount
view Profile
Updated: 16 Jan 2018
All rates are indicative, annual rate includes 20% discount
view Profile
Updated: 16 Jan 2018
IY
Full-Stack Developer
All rates are indicative, annual rate includes 20% discount
view Profile
Updated: 16 Apr 2018
NK
Senior Java developer
9 years in Software Development: • Java programming language and Java related frameworks and technologies • Solid background in Object Oriented Programming and Software Development • Database desig...
12 Projects completed
GMT+3 Middle East
All rates are indicative, annual rate includes 20% discount
view Profile
Updated: 18 May 2018