Have 9+ years experience in Mobile Applications development. I started as Junior developer and had the opportunity to work with very qualified leads. After graduating I started working as individual and have successfully completed many different projects for clients from different countries. Currently I work with iOS and Android mobile platforms.  

Mobile devices: 

✔ iPhoneX, iPhone7, iPhone 6 plus, iPhone 6, iPhone 5s, iPhone5, iPhone4s 

✔ iPad Air, iPad4, iPad3, iPad mini 

✔ Samsung Galaxy S9, S6, S5, S4, S3, Google Nexus 5, HTC One  

My skill-set: 

✔ Native: iOS, Android (Swift5, Objective-C, Java, Kotlin) 

✔ Hybrid: React Native, Ionic, PhoneGap, Xamarin

 ✔ Web service: XML/JSON, REST/SOAP 

✔ Cloud backend: Amazon S3 EC2 AWS, Firebase, Parse,Twillio, Plivio 

✔ Facebook, Twitter, Linkedin, Instagram, Youtube, Pinterest, Vimeo 

✔ Google Map, Foursquare, Geolocation, GPS, Open Street Maps 

✔ Chat & Messaging Engine: XMPP, Jabber, OpenFire, OpenTok WebRTC ✔ Media Streaming: Wowza, SoundCloud 

✔ Video/audio/image processing: OpenCV, GPU Image, CoreAudio, Pitch Control, AVFoundation ✔ VOIP, Cloud Communication: Twillio, Heroku, Tokbox 

✔ PHP, HTML5, Ruby on Rails, ASP, JSP and their frameworks 

✔ Realm, MySQL, SQLite, Room 

✔ Device, Kit: Bluetooth Low Energy (BLE), iBeacon 

✔ Game Center, In-App Purchase, RPG server 

✔ iAd, Adwirl, Revmob, Admob, Chartboost, Tapjoy, Flurry, Testflight 

✔ Mantis, JIRA, RedMine, BaseCamp, Huddle, Sprint.ly, Github, BitBucket, SVN 

✔ Cloud services: iCloud, Rackspace, Zoho CRM, Salesforce, Azure, AWS, EC2, Dropbox 

✔ Enterprise Resource Planning (ERP), Cloud POS, Warehouse Management 

✔ P2P Payments: Bitcoin, Guldencoin, hivewallet, breadwallet 

✔ Online Payment Gateway: PayPal, Authorize.net, Stripe, Venmo, Braintree, Payleap  

If we work together, I can complete your project successfully.

Thanks.

Roman Gold.