SR
Ukraine
UTC+02:00 (Europe/Kiev)
Sergii R.
Skilled iOS App Developer with a strong current background in industry technology.
Higher Education Computer Science
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£77,700£62,200/YEAR
20% discount on yearly basis
All rates are indicative, annual rate includes 20% discount
£5,800/MONTH
£39/HOUR

Expertise

Core technologies

Objective-C 5 years
Python 5 years
SQL 5 years
Swift 5 years
Bash 5 years
REST API 5 years

Portfolio Highlights

Mar `18 – Present
2 years

YChamp

The YChamp application is an activity tracking program that selects users for ideal opponents in competitions, considering and comparing their capabilities.

iOS developer

- designing API together with the backend developer; - working out UX/UI with the designer.

Objective-C
JSON
Swift
CoreData
Realm
REST API
Aug `17 – Present
2 years

Rodnik

Application for a network of gas fueling stations.

iOS developer

Design and build iOS mobile applications. Collaborate with cross-functional teams to analyze, design, and ship new features. Fully responsible for mobile app development in the team Build and publish applications in app stores. Implement new technologies to maximize application performance.

Objective-C
Swift
REST API
Dec `17 – Jan `18
1 month

JustSnap

The mobile application allows you to scan documents and recognize text.

iOS developer

UI development, page scanning framework for integration into a third-party application, working with open CV

Objective-C
JSON
Swift
CoreData
Realm
REST API
Apr `17 – May `17
1 month

CodePDS

The app has built-in OCR-functionality to recognize the unique ID of a shipping container.

iOS developer

Developing new user-facing features using React Native. Collaborate with cross-functional teams to analyze, design, and ship new features.

Objective-C
Swift
REST API
Apr `17 – Apr `17
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Avtozvuk.ua

Application for the sale of car accessories. We Integrated Google Analytics with full customization and finalized small functions, after previous developers.

iOS developer

Design and build iOS mobile applications. Collaborate with cross-functional teams to analyze, design, and ship new features. Fully responsible for mobile app development in the team Build and publish applications in app stores. Implement new technologies to maximize application performance.

Objective-C
Swift
Firebase database
Sep `14 – Mar `16
1 year

DriverNotes

DriverNotes is startup project for drivers, which helps keep track of all the costs, costs and events occurring with the car.

iOS developer

Design and build iOS mobile applications. Collaborate with cross-functional teams to analyze, design, and ship new features. Fully responsible for mobile app development in the team Build and publish applications in app stores. Implement new technologies to maximize application performance.

Objective-C
Python
SQL
Bash
REST API
Dec `12 – May `13
5 months

Different projects for training and fixing bugs in existing projects

Intersog - is a software development company of Ukraine. It is a team a full-cycle web, mobile and enterprise application development. There are many different projects, lke "Mitsubishi Motors", "The Universiy of Chicago" etc.

iOS developer

Objective-C
Python
SQL
Swift
Bash
REST API

About me

Proven ability to work independently or as part of a team. Adept at technical troubleshooting and anticipating future potential problems. Team player with strong communication skills.

Mobile & Web development agency #200

50-100
Kiev/Ukraine; Irvine, CAL/USA
GMT+2
Core Expertise
Android SDK
HTML5
Java
JavaScript
JIRA
Kotlin
MySQL
.NET
Objective-C
PHP
Python
SQL
UI
UX
Xcode
XML
CSS3
CVS
Git
JSON
Swift
Adobe Creative Suite
Mobile UI Design
Sketch
Angular 2x
Bash
Confluence
CoreData
RESTful API
SQLite
Trello
Realm
InVision
Industries
Logistics & Transportation, E-Commerce & Retail, Advertising & Marketing, Automotive
CoreTeka is a team of highly experienced software developers and marketing experts focused on consulting, development and implementation of innovations in retail industry, transportation and automotive business. CoreTeka is focused on 3 main industry sectors: Transportation, Automotive, Retail but also ready to implement projects of any complexity in other industry sectors. Сlients: KIA Motors, Phillip Morris, Toyota, Chevrolet, Gaztron (LPG Trading), UkrAVTO (Ukraine's largest automobile distributor), Raben Group, Technology stack: - UX / UI Design (Mobile app design, Web design); - Front-End development; - Back-End development; - Mobile App development. Experience in Retail: - Loyalty programs; - Real-time sales analytics; - Mobile applications. Experience in Transportations: - Transport Management Systems (TMS); - Mobile apps for logistics and couriers services; - Ticketing systems, complex logistics projects.