Rostyslav Holovko

L'viv, L'vivs'ka Oblast', Ukraine

Yearly Stats: $1,300 Earned |

The guru of

Services




Work Terms

I'm senior software engineer with 7 years of experiences with mobile application development.
I can make anything from small mobile app to full large-scale mobile app.
I am skilled in all aspects of the full software development cycle, from requirements gathering and planning through development, release, and maintenance.
In other words, I can do everything you need to build your app from the ground up and get it on the market.
I can turn your conceptual idea to real working software.
Whether you are starting with a rough concept or already have extensive specifications and wireframes, I can work with you to turn your idea into a reality.

I can learn your codebase quickly, fix bugs, refactor messy code, and add new features as needed, so you can get your desired perfect result in time for sure.

My expertise fields:
• Native Android, Native iOS, React Native
• Java, Kotlin, Swift, Objective-C, React.js
• Google Map, OpenStreetMap, CartoDB
• Firebase, Realm, MySQL, PostgreSQL, SQLite, JSON, XML
• VOIP and XMPP
• Social networks API: Facebook, Twitter, LinkedIn, Instagram, Google+, Tumblr, Foursquare, Flickr
• Retrofit2, Volley, AFNetworking
• Fabric, Flurry, TestFlight, Crashlytics, Mixpanel, Google Analytics, Admob, Push Notification, Dropbox SDK
• In-App Purchase, Stripe SDK, PayPal