Summary

Expertise

Project Highlights

Education

Agency

KS

English:

Upper Intermediate

Kristina S.

vetted by Youteam

Vetted by YouTeam

Ukraine

UTC +02:00

Ukraine/Kyiv

English:

Upper Intermediate

Senior Android Developer with over 9 years of solid experience in software development.

Senior Android Developer with over 9 years of solid experience in software development. Experienced in Java, Web and Mobile Development. Hard-working, punctual and detail-oriented. Good team player.

Want to hire this engineer?

Check if Kristina is available

Expertise

Years of commercial development experience

9 years of experience

Core technologies

Android 9 years
Java 9 years
Kotlin 9 years

Other technologies

Google Maps
Java
Kotlin
Android
Gradle
CouchDB
ORM Lite
RxJava
SQLite
Realm
fastlane
MVP patterns
AndroidX
Firebase
Room database

Project Highlights

icon
Android developer

Social media and dating platform

Nov `19 - Present

5 years

Development of social media platform, in which users can upload a photo, video content, tag each other, find subscribers, send messages etc.

Responsibilities & achievements

Mobile app development with a bit of back end work.

Kotlin
Laravel Framework
Retrofit
RxJava
SQLite
fastlane
MVVM Light
AndroidX
Firebase
icon
Sofyware Engineer

Social TV Portal

A social TV portal is an interactive platform for TV and movie fans that allows people to monitor broadcasting of preferred channels, following favorite actors, shows, series. The portal is a TV-addicts’ social network, it enables connecting people with similar interests on the site or via external social accounts like Facebook and Twitter.

Responsibilities & achievements

Server-side logic development

CSS
Java
JavaScript
jQuery
JSP
Liferay
MySQL
Struts
icon
Sofyware Engineer

Enterprise App Store

The Enterprise App Store links 'supply and demand' in the Enterprise app market. There was an increasing demand from the market of suppliers to get in touch with these potential clients (public and private organizations) to present the value of their app (Business Intelligence, Mobile Device Management (MDM), Mobile Application Management MAM etc) in a clear effective way.

Responsibilities & achievements

Server-side logic development

CSS
Java
JavaScript
jQuery
JSP
Liferay
MySQL
Struts
icon
Sofyware Engineer

Sailboat Race Application

The tracking app which helps a user to record and replay a sailboat race. The apps for yachtsman allows tracking the way of vessels, save this info and share it to social networks.

Responsibilities & achievements

Android application development Technologies: Android SDK, Android Google Map API"

Android
Google Maps API
icon
Senior Software Engineer, Architect

Stand-To

A solution that includes a server-side and a mobile client for the Android platform. The product is SAP-based automation of logistic processes for the Ukrainian Ministry of Defence. This solution allows managing the logistic system of military stuff without the constant connection to the central system.

Responsibilities & achievements

Android client-side development, Architecture Design

Android
Gradle
GSON
icon
Android Developer

Gift Application

A mobile app (iOS, Android) that allows users to create unique wish items, making lists of things they want to get for their birthday, anniversary or some other events, share items with their friends, relatives or acquaintances and get money for their wishes. Also, the user can see wish lists of their friends and make contributions for them. This app solves the problem of choosing and buying a present. You can easily see what your friend wants and contribute money for his most desired gift.

Responsibilities & achievements

Android app development Technologies: Android SDK "

Android
icon
Android Developer

Social Mobile App for Contributing Presents

Developing social features for a mobile app (iOS, Android) that allows users to create unique wish items, making lists of things they want to get for their birthday, anniversary or some other events, share items with their friends, relatives or acquaintances and get money for their wishes. This app solves the problem of choosing and buying a present. You can easily see what your friend wants and contribute money for his most desired gift.

Responsibilities & achievements

management, development

Grails
MySQL
Android
GCM
Firebase
icon
Android Developer

Eventor

A mobile guide for conference organizers. It provides a conference attendee with all the necessary data about an event. Attendees have an option to manage their personal agenda, check schedule, talks, speakers, venue and sponsors information in a single place as well as create and update their personal agenda. The application is customizable for different events and can be labeled with a logo and branding of a customer.

Responsibilities & achievements

Frontend development, android client development, UI development

Apache
Grails
Hibernate
Java
jQuery
SQL
Android
icon
Android Developer

Location-based marketplace

A location-based mobile marketplace that allows users to sell and buy things. It combines the usual marketplace features with geolocation and social network features. The app has Facebook or email for authorization and allows picking any photo from the web to make a post. The chosen picture will redirect to the origin web page. A user can create a profile or use the app anonymously, follow others and share an item with followers.

Responsibilities & achievements

Android development

Xcode
Android
Facebook SDK
extensions
icon
Android Developer

Baby formula shopping app

A user-centered application for shopping milk-based children’s formula. The application allows a user to order the kids powder mixtures, schedule the deliveries, pay for the orders and track shipment history and statuses.

Responsibilities & achievements

Android app development

PayPal
Android
Retrofit
RxJava
SQLite
Firebase
icon
Senior Android Developer

Nirvfone

The Nirvfone app is a convenient way to monitor the usage of your phone. Through analytics, you can view the hours each day you spend interacting with your device.

Responsibilities & achievements

Android App Developer

Android
icon
Senior Android Developer

Online Grocery Shopping App

An online grocery shopping mobile application for ordering and delivering goods from the nearest store of the supermarkets’ chain.

Responsibilities & achievements

Android App Developer

Android
Firebase
icon
Senior Android Developer

Real Estate Analysis App

A mobile application to analyze potential investments, risks, and revenue from real estate property acquisition. It is a hybrid mobile application with a great animated UI and pleasant UX created for iOS and Android. Real estate analyzer helps users to calculate several metrics (Rent Growth, Vacancy, Loan Type, LTV, Inflation, Discount Rate and others) on the basis of custom input data and analyze them.

Responsibilities & achievements

Android App Developer

Google API
Android
Firebase
icon
Senior Android Developer

Social App

The Social App is a Minimum Viable Product to show how social features such as posting, comments, likes, views, and others can be implemented using Firebase. Being the open-source code, the application can be used by developers as the reference for several functions like building queries, data pagination, and counters. This application uses authorization via Facebook and Google. The examples of animation usage are applied to the opening screen of details and a user profile.

Responsibilities & achievements

Android App Developer

Facebook API
Google API
Android
Firebase

Education

Higher education in Computer Science

Agency

Web & Mobile development agency #12

50-100

GMT+2

Kyiv/Ukraine, Austin/TX

Core Expertise

AngularJS
AWS
Azure
CSS
Express.js
Grails
Groovy
HTML5
Java
JavaScript
Kotlin
Meteor
MongoDB
MySQL
.NET
Node.js
OpenCart
Oracle
PHP
PostgreSQL
Python
React.js
React Native
Ruby
Ruby on Rails
Selenium
Sinatra
Spring
SQL
Symfony
Vaadin
Yii
Amazon Relational Database Service
Bitrix
CSS3
Elasticsearch
HTML
Jenkins
JMeter
Laravel Framework
NoSQL
QA Management
Redis
Swift
CouchDB
MS SQL Server
Postman
TeamCity
Webpack
Zabbix
Zookeeper
MariaDB
Quality Management
CircleCI
Polymer
Vue.js
Bamboo
Flutter
Nest
Google Cloud Platform
InfluxDB
Koa.js
Firebase
Sonarqube
Rollbar

Industries

Education & Science, Business & Productivity, Logistics & Transportation, E-Commerce & Retail, Banking & Finance, Information services & Technologies, Entertainment & Games, Construction & Real estate, Human Resources & Career, Mapping & Navigation, Internet & Telecom, Law & Government, Social Media & Communication, Travel & Tourism, Healthcare & Medicine, Safety & Security, Booking & Rent, Food & Drink, Electronics & Equipment, Books & Catalogs, Home & Garden

Want to hire this engineer?

Check if Kristina is available