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Summary

Expertise

Project Highlights

Agency

OS

English:

Upper Intermediate

Oleksandr S.

vetted by Youteam

Vetted by YouTeam

Ukraine

UTC +02:00

Ukraine/Kyiv

English:

Upper Intermediate

9 year(s) of experience Experience in major programming languages, databases, operating hardware and software.

Want to hire this engineer?

Check if Oleksandr is available

Expertise

Years of commercial development experience

9 years of experience

Core technologies

Java 8 years
Kotlin 8 years
Android 8 years

Other technologies

Gradle
JUnit
Dagger 2
Espresso
Glide
Picasso
Retrofit
Volley
Flurry
Mapbox

Project Highlights

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Android Developer

KYC SDK [Android]

SDK which allows customers integrate configurable KYC flow into their application. This is unicorn company which provide this SDK.

Responsibilities & achievements

Project refactoring New features implementation Migration to new UI tests tool

Java
Kotlin
Dagger 2
Retrofit
CircleCI
Allure
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Android Developer

NDA

SDK which allows customers integrate configurable KYC flow into their application. This is unicorn company which provide this SDK.

Responsibilities & achievements

Project refactoring New features implementation Migration to new UI tests tool Selfie camera flashing feature implemented Refactored codebase for single activity approach Migrate to ActivityScenario for UI testing

Java
Kotlin
Dagger 2
Retrofit
CircleCI
Allure
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Android Developer

ELVN

Elvn crypto messenger combines crypto wallet functionality with cryptocurrency exchange platform and social media network to promote and facilitate the use of cryptocurrency, bring together the advocates, and provide them with a convenient communication tool. Dashdevs pioneered this type of fintech product development since no one else before had combined several crypto apps in one mobile product to solve business and customer needs. Our team worked under tight deadlines and delivered the product in just three weeks without compromising on quality and functionality. We helped Elvn to build a communication app with a focus on speed and security. It’s super-fast, simple, secure and free. One of the first crypto messengers. Allows to send money through the chats.

Responsibilities & achievements

Requirements gathering and analysis Design designing components of the app Business logic and GUI development 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

Java
Retrofit
WebSockets
ZXing framework
MVVM Light
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Android developer

NDA

Application that help to create comics using photo or video frames

Responsibilities & achievements

Implementation UI and animation Implementation of client-server networking Work with the java language Development Android client from scratch

Java
Kotlin
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Android Developer

Dozens

Dozens app is a branchless financial institution that comes with a full line of banking products and services to help every individual invest, manage, spend, and earn more efficiently and wisely. It's set to transform the global financial industry and make financial services transparent and affordable to everyone. Our team of 80+ experts took on full responsibility for the technical implementation of native apps for iOS and Android platforms. We made it possible to present a fully-fledged Dozens challenger bank to the public in only nine months. Dozens is a turnkey solution. We provide all the architecture, technical solutions from our side. Know Your Customer (document validation, government databases, sanction list, PEP list, cybercrime list). Ledger System (keeps information about balances, transactions and internal money movements). Customer Support (authorizes the user, checks users’ details, user actions, card actions). User Management (admin panels that allows your back office to work efficiently). We cooperate with a great amount of partners for the best results: Comply Advantage, onfido, jumio (KYC). GPS, Stripe, Modulr, Transferwise, Currencycloud (Payments). Zendesk, Intercom (Customer Support).

Responsibilities & achievements

Implementation UI and animation Work with third-party libraries (databinding, lifecycle, crashlytics, glide, retrofit2, firebase, saferoom, Room, zendesk, stripe, Google Play, mockito 2) Work with MVVM architecture Work with java/kotlin language Implementation of the payment system Implementation Nearby Messages API

Java
Kotlin
Zendesk
Mockito
Glide
Retrofit
Firebase
Room database
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Android Deeloper

Jti

Japan Tobacco International​ app

Responsibilities & achievements

Implementation UI and simple animation Implementation of client-server networking Implementation of models and data of the application Work with third-party libraries (SingleActivity, lifecycle, play-services, navigation-fragment, retrofit2) Work with the java language

Java
Kotlin
Retrofit
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Android Developer

FitGrid Client

FitGrid is the only smart community management software that helps fitness studio owners drive success. By connecting staff, instructors, and clients through a powerful learning and recommendation grid, we help you leverage the power of your community to drive your studio’s profitability.

Responsibilities & achievements

Implementation UI and animation Work with third-party libraries(apollographql,facebook-login,glide,firebase,espresso, crashlytics,smack,lifecycle,room,fabric,google-services) Work with MVP architecture Work with java language

Espresso
Glide
Fabric SDK
Crashlytics
Firebase
Room database
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Android Developer

Wallet

Wallet app for financial services

Responsibilities & achievements

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 Distribution to Google Play

Java
Dagger 2
Picasso
Retrofit
ZXing framework

Agency

Highly skilled digital agency agency #105

100-400

GMT+1

San Francisco/USA,London/United Kingdom

Core Expertise

Ajax
AngularJS
AWS
C#
CakePHP
Java
JavaScript
Kotlin
MongoDB
MySQL
.NET
Node.js
Objective-C
React.js
React Native
SQL
Symfony
TypeScript
UI
UX
XML
Yii
Zend
Android
CSS3
HTML
Laravel Framework
Swift
Adobe After Effects
Adobe Photoshop
Illustration
Angular 2x
UIUX Design
Vue.js
.NET Core

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

Want to hire this engineer?

Check if Oleksandr is available