Oleksii Sosevych, Developer in Berlin, Germany
Oleksii is available for hire
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Oleksii Sosevych

Verified Expert  in Engineering

Software Developer

Location
Berlin, Germany
Toptal Member Since
January 10, 2017

Oleksii is a talented Android Developer with over five years of software development experience in a broad range of industries, including telecommunications, search engines, and mobile phone manufacturing. He's dedicated to continuously developing and adopting new technologies to maximize development efficiency.

Availability

Part-time

Preferred Environment

Slack, Jira, GitHub, Android Studio

The most amazing...

...thing I've made is Vurb (www.vurb.com), winner of TechCrunch Disrupt NY.

Work Experience

iOS Developer

2016 - PRESENT
Ayuda GmbH
  • Designed and built advanced applications for the iOS platform.
  • Collaborated with cross-functional teams to define, design, and ship new features.
  • Wrote unit-test code for robustness, including edge cases, usability, and general reliability.
  • Worked on fixing bugs and improving application performance.
  • Continuously discovered, evaluated, and implemented new technologies to maximize development efficiency.
Technologies: Android, Java, iOS, Swift 3

Senior Android Developer, Team Leader

2015 - 2016
Affinitas GmbH
  • Built, led, and continuously developed a team of high-caliber, experienced engineers.
  • Worked closely with the server development teams to influence the API design to ensure its fit for the purpose.
  • Developed for Android: Coded, debugged and unit tested systems per requirements and technical design.
  • Designed the app architecture and selected necessary tools, frameworks, and design patterns.
Technologies: Java

Android Developer

2014 - 2015
Ciklum
  • Collaborated with cross-functional teams to define, design, and ship new features.
  • Worked with outside data sources and API's.
  • Built up unit test code coverage, including edge cases, usability, and general reliability.
  • Continuously discovered, evaluated, and implemented new technologies to maximize development efficiency.
Technologies: Android, Java

Senior Android Developer and Distributed Team Leader

2014 - 2015
Silicon Valley Insight, LLC
  • Translated the needs of the product and business to ensure that they are aligned with team priorities.
  • Built, led, and continuously developed a team of high-caliber, experienced engineers.
  • Coded, debugged, and unit-tested Android systems per requirements and technical design.
Technologies: Java

Multimedia Apps Team Leader

2012 - 2014
Samsung Electronics Ukraine R&D Center
  • Built, led, and continuously developed a team of high-caliber, experienced engineers.
  • Leveraged previous development expertise, taking part in the delivery process.
  • Played a key role in architectural and strategic decisions.
Technologies: Java, Android

Ayuda Juice

Manage contacts, leads, and sales pipeline on-the-go.

Juice, part of the Ayuda Platform, is the only customer relationship management tool completely tailored to the OOH media salesperson’s daily workflow.

With Juice for iOS/iPad you can:
- Quickly review your favorite customers, opportunities pipeline, and upcoming activities.
- See all existing customers from across your business and add new customers directly via the map.
- Track your daily activities and set up meetings, calls, emails, and reminders.
- Create sales opportunities on the go.

eDarling

https://play.google.com/store/apps/details?id=net.edarling.mobile&hl=en
eDarling is one of the leading European online partner agencies and is aimed at discerning singles that are looking for a long term relationship. Take the personality test and find truly compatible matches. Receive match suggestions, enjoy unlimited communication, view all photos, and meet people in your area.

How to use eDarling' free dating app:
▸ Take the personality test
▸ Fill in your profile and preferences
▸ Get highly compatible matches daily
▸ Get access to your matches' complete profile
▸ Send smiles and likes

Vurb

Voted ‘Best New App’ by Apple and TIME, Vurb is the only search app that gives you suggestions and results tailored to what you love. It’s the best way to search, save, and get things done—in one simple app. With Vurb you can:
- Search restaurants, sights, nightlife, movies, TV shows, music, videos, and events.
- Save your favorite finds into lists to remember them for later—like “Paris Vacation” or “Brunch Spots.”
- Explore entertainment, travel, and restaurant ideas curated from Vurb and its community—tailored for you.
- Make plans or share your favorite finds with friends on Vurb Chat, text, or email.

You can also take a variety of actions, including:
- Make reservations
- See reviews
- Get a ride with Uber or Lyft
- Stream movies on Netflix or Amazon
- Buy tickets to movies and events
- Listen to music

My Tele2

https://play.google.com/store/apps/details?id=swe.tele2.mittTele2
With My Tele2 app, you can view billing information, your consumption, and additional services for mobile telephony and mobile broadband subscriptions.

With the app you can:
- Subscribe to your account
- See subscription information
- See consumption
- See supplementary services
- See your invoices

Comviq

https://play.google.com/store/apps/details?id=se.comviq.android&hl=en
What does it cost? How much more can I surf the web? How do I call abroad?

With Comviq app you get full control of your mobile service. You can change your settings and even pay directly in the app. Quick, easy and secure. The app is, of course, completely free!

Subscription
- View and pay the invoice directly in the app
- Keep track of expenses
- See how much data you have left
- Buy extra data directly
- Change settings

Prepaid card
- Keep track of your balance and data
- Refuel quickly, smoothly and easily
- Buy extra data directly
- Change settings

Mobile Broadband
- Keep an eye on your data
- Buy more data directly

Dropsend Android

DropSend is a cloud service that lets you send and receive large files without any hassle. With DropSend for Android, you can upload files of up to 8GB each to your DropSend online storage, send them to anyone in the world, and manage your DropSend account.

When you install DropSend for Android, you will forget all about oversized email attachments and slow file uploads. Send and receive large files on the go and manage your online storage with DropSend for Android.

Features:
- Send files of up to 8GB each to anyone in the world
- Upload files to your DropSend online storage
- Download files from your DropSend online storage
- Manage your DropSend account on the go
- Works with slow connections
- Resume interrupted uploads
- Works on Android 2.3.7 and higher
2007 - 2010

Master's Degree in Applied Economics

Taras Shevchenko National University of Kyiv - Kyiv, Ukraine

2008 - 2009

Exchange Program in Informatics and Computing Sciences

Utrecht University - Utrecht, Netherlands

2003 - 2007

Bachelor's Degree in Economic Cybernetics

Taras Shevchenko National University of Kyiv - Kyiv, Ukraine

Libraries/APIs

Butterknife, Picasso, Retrofit, Flickr API, Firebase Android SDK, iOS Charts

Tools

Git, Jira, GitHub, Adobe Photoshop, Bitbucket, CircleCI, GitLab, Android Studio, Slack

Languages

Java, Swift 3

Platforms

Android, MacOS, Firebase, iOS, Linux

Frameworks

Espresso, Mockito, Dagger 2, JUnit

Paradigms

Unit Testing, Agile Software Development, Dependency Injection, Test-driven Development (TDD)

Other

UI Testing

Collaboration That Works

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