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Sergey Z.
Last update: 13 Jun 2019
SENIOR
Senior iOS and Android Developer
Highly proficient in iOS, Android and related technologies development (Swift, Java, XML, SQL/SQLite, etc). Detail-oriented possesses a solid grasp of memory management, object-oriented programming, MVC programming.
All rates are indicative, annual rate includes 20% discount
20% discount on yearly basis
GMT+2 East Europe
Kharkiv/Ukraine

EXPERIENCE

Industry Experience

Business & Productivity, E-Commerce & Retail, News & Media, Social Media & Communication

Product Experience

online shopping application, Employment platform, Company's website, Application for communication platform based on SIP protocol

PORTFOLIO HIGHLIGHTS

Sep `17 – Mar `18

6 months

MyTI

Senior iOS Developer

Architectural design, core, and additional features implementation, management teamwork.

Trial Interactive provides the ability to complete clinical trial documentation, maintain and update this documentation in a secure online environment. Companies will also benefit by being able to stay in compliance with FDA and other regulatory requirements for sharing and tracking safety data with study investigators participating in the clinical trial.

Technologies Stack:

JSON Swift Alamofire Crashlytics Keychain Mixpanel

Industry:

Business & Productivity

Apr `16 – May `17

1 year

ShopFounder

iOS Developer

3rd party solutions research, core and additional features implementation, material design implementation.

Aimprosoft

ShopFounder is a system designed for quick, simple and simultaneous interaction with the clients via a website (demo.ict4apps.com) and mobile applications. Free Android and iOS native mobile apps can help owners to increase the income of their business and improve customer loyalty.

Technologies Stack:

Xcode Apple UIKit Framework Git JSON Swift Apple Push Notification Service CoreData

Industry:

E-Commerce & Retail

Product:

online shopping application

Aug `16 – Feb `17

6 months

GoGig

Team Leader

3rd party solutions research, app design changes, core, and additional features implementation.

GoGig is a service for job recruiters and job seekers. Using this app the actively seeking and currently employed candidates can match & network with hiring companies in their desired area.

Technologies Stack:

Google Analytics Objective-C JSON CoreData APNS

Industry:

Business & Productivity

Product:

Employment platform

Works:

Feb `16 – May `16

3 months

InnoCenter

iOS Developer

Requirements analysis, architectural design, data modeling on the client, 3rd party solutions research; core and additional features implementation, material design implementation.

T-Systems

This project is a business card of the company. New customers can learn about the services offered by the company and ask questions. Existing customers are able to keep track of new solutions, services, and shares of the company. Users get up-to-date information in the location where they need it by means of the Push Notifications messaging technology.

Technologies Stack:

Android SDK iBeacon Java Xcode Apple UIKit Framework JSON Swift Android Studio Apple Push Notification Service CoreData SQLite

Industry:

News & Media

Product:

Company's website

Works:

May `14 – Feb `15

9 months

Opticall

Android Developer

3rd party solutions research.

Optima Italia

Opticall is an application based on the PjSIP library which allows users to communicate through the SIP protocol. A user can make or accept a call. It is possible to send text messages. Opticall is integrated with a standard system contact list. Each contact has an indicator which shows whether the user is online or not.

Technologies Stack:

Android SDK SIP Picasso SQLite Android NDK

Industry:

Social Media & Communication

Product:

Application for communication platform based on SIP protocol

Works:

EDUCATION

National Technical University 'Kharkiv Polytechnic Institute'

Master’s degree in Computer Science

Web & mobile development agency #122

Since 2005 the company has been opening the doors of its tech pool with a customer-oriented approach. A stack of our expertise covers Liferay, Alfresco and Hybris platforms in the row with the web and mobile solutions to fill clients needs. Offering software development and customization services, consulting and quality assurance for both startups at their MVP steps and for enterprises, we keep contributing to the open-source community as well. We have a special offer for professional tech startups as dedicated developers for the team extension. Their bundle of knowledge and skills of both mature and hyped technologies are up for grabs. Our extensive and versatile portfolio covers Healthcare, Media, e‑Commerce, Travel & Local, Financial, Telecommunications, Productivity, IoT and other industries where newly minted ventures can get a chance to prove themselves to the world.

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Senior React Native and Mobile Android Developer
Highly proficient in Android/Java/React Native and related technologies development. Specialized at creating a different kind of application. Detail-oriented, exceptional problem-solver with deep anal...
5 Projects completed
GMT+2 East Europe
All rates are indicative, annual rate includes 20% discount
view Profile
Updated: 13 Jun 2019