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Sergey D.
Last update: 09 Aug 2019
SENIOR
Senior Android developer
- 5 years of application development and programming experience.
- 4 years of commercial Android application development.
- Experience in major programming languages, databases, operating hardware and software.
- Experience of object-oriented analysis and design.
- Solid mathematical background.
- Gathering requirements, estimating tasks and projects.
All rates are indicative, annual rate includes 10% discount
10% discount on yearly basis
GMT+2 East Europe
San Francisco/USA, Kharkiv/Ukraine

EXPERIENCE

Industry Experience

News & Media, Shopping & Loyalty programs, Business & Productivity

Product Experience

iOs apps, android application, News plaftorm, mobile app for smart shopping system, Android Apps

PORTFOLIO HIGHLIGHTS

Keen

Android developer

- Requirements gathering and analysis - Design designing components of the app - Business logic and GUI development - Communication with customer - Solving design issues - Source code development - Bug fixing

Keen is the world’s largest network of talented psychics, providing psychic readings to help you find answers to your most pressing questions about love, relationships, career, and more! With the Keen app, you will also receive a free daily horoscope!

Technologies Stack:

Java Kotlin Volley MVC Mixpanel MVVM patterns

Product:

iOs apps, android application

Works:

Apr `19 – Aug `19

4 months

Positive Black News Network

Android Project Lead Developer

Requirements gathering and analysis Design designing components of the app Business logic and GUI development Key Contributions: Communication with customer Solving design issues Source code development Bug fixing Distribution to Google Play

Positive Black News Network sends a knowledge building notification every Wednesday to help you feel better in your skin no matter what color it is.

Technologies Stack:

Java Twitter Volley Facebook SDK MVP patterns

Industry:

News & Media

Product:

News plaftorm

Works:

Omoda

Android developer

Business logic and GUI development Key Contributions: Solving design issues Source code development Bug fixing

Netherlands, Belgium

Shoe shopping mobile application. Shopping for the best shoe store in the Netherlands and Belgium is more fun and easier to Omoda app. Be inspired and shop within no time the best shoes, bags and accessories from over 250 brands.

Technologies Stack:

Java Picasso Volley Facebook SDK MVC

Industry:

Shopping & Loyalty programs

Product:

mobile app for smart shopping system

Works:

Elvn

Android Project Lead Developer

Requirements gathering and analysis Design designing components of the app Business logic and GUI development Key Contributions: Communication with customer Solving design issues Solving issues with Actor-core platform Adding bitcoin and platincoin currencies to messenger with possibility to send it between users Working with bitcoin SPV-node Source code development Bug fixing Distribution to Google Play

Elvn is a communication app with a focus on speed and security. It’s super-fast, simple, secure and free. Elvn seamlessly syncs across all of your devices and can be used on tablets and phones alike. You can send an unlimited amount of messages, documents of any type (.doc, .zip, .pdf, etc.), voice memos, images and videos. Elvn groups do not have any limits.

Technologies Stack:

Bitcoin Java Retrofit 2 WebSockets ZXing framework MVVM patterns

Industry:

Business & Productivity

Product:

iOs apps, Android Apps

Works:

EDUCATION

Kharkiv National University of Radioelectronics

BA Computer Software Engineering

Highly skilled digital agency agency #206

100-400
San Francisco/USA, Kharkiv/Ukraine
GMT+2

Industries

Education & Science, Business & Productivity, E-Commerce & Retail, Banking & Finance, Information services & Technologies, Advertising & Marketing, Fashion & Style, Healthcare & Medicine, Booking & Rent, Electronics & Equipment, Audio & Music, Films & TV

Our advantages are: • Easy and comfortable communication which is the basis for successful collaboration • Mature project management for getting apps done • Business analysis and strong elaboration requirements for making decent apps • Strong technology competency for doing apps solid • UX & UI design for making apps brilliant • Testing and quality assurance for doing apps excellent

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