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XMPP Upwork freelancers typically receive a client rating of 4.46.

Last updated: October 1, 2015

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Karan Dua

Karan Dua Agency Contractor

Iphone developer

India - Tests: 3 - Portfolio: 1

I have 5 years of experience in IT industry. I have good expertise in iPhone development, HTML, CSS, Javascript, xCode, Cocoa Touch, Corona, Cocos2D, Sencha Touch, PhoneGap, RestKit APIs, Coredata, VoIP, XMPP, SIP Server, Jabber, java, eclipse, Social networking web services, Google web services,etc. I like to program. I like complex and diverse assignments that keep my mind sharp and allow me to constantly learn new things.

Associated with: Logix Enterprise Solutions

$22.22 /hr
1,371 hours

Alexander C.

Alexander C. Agency Contractor

iOS Developer

Russia - Tests: 17 - Portfolio: 5

Hi, My name is Alexander Cherushnikov. In my portfolio, are a few of the programs that I've developed. I believe my strong points are my Creativeness and Punctuality. My #1 goal will always be to meet your needs and deadline. When working on a new project, I like to speak with the client, so that I can have a clear understanding of his/her needs and vision of the project. I'm honest and fair. Since 2011, I'm front-end developer and developed hight load project with difficult interface and architecture. Also from 2013, I develop iOS applications. Please take a look at my work history for comments from other clients. Thank you in advance for your time and consideration. I look forward to working with you soon. I have a Master Degree in Engineering from Omsk State Technical University, in the Russia. Listed below are my experience and skills. — iOS: integration API, Location API, SQLite, UIKit, Services, Social networks, MapKit, Google SD, Core Data etc; — Multithreading, Design Patterns etc; — Frameworks: AFNetworking, MagicRecord, JSONModel and etc; — Core web: XML, JSON, HTML/CSS, JavaScript; — IDE: Xcode; — OS: Windows, Mac OS X; — VCS: Git, Mercurial, SVN; — Bug/Issue trackers: Jira, Redmine, Trello;

Groups: Bluehost Developers and Designers, Corona Labs...

Associated with: IronHtml

100% Job Success
$25.00 /hr
1,434 hours

Arseniy Vasilyev

Arseniy Vasilyev Agency Contractor

Software Engineer

Russia - Tests: 1 - Portfolio: 4

Real-time communications software specialist From very beginning in my carrier as software developer i have concentrated on multi-user software architecture creation and development. Nothing good is cheap and nothing complex is fast. I prefere to work on R&D or very custom projects that will reflect my skill and knowledge when the client sees the results. Main specialization : WebRTC/Node.js/ActionScrip 3.0/Symfony 2 - Chat software - Whiteboards - Video conferencing software - Facebook games - Mobile applications

Associated with: Fora Soft LLC.

100% Job Success
$24.44 /hr
1,395 hours

Catalin P.

Catalin P.

C++ / Java dev here, without reluctance on new stuff

Romania - Tests: 11 - Portfolio: 16

Everything is possible, but I just do not spend time digging through hay to fetch the needle. Unless you really want me to! Update 2015.10.08: I have been with odesk since June '09. I am not an elancer.

Groups: Application Developers Alliance

96% Job Success
$28.89 /hr
3,220 hours

Panky Arora Agency Contractor

Senior iOS(iPhone/iPad) Developer | C#/C++/Objective-C/iOS8/Sqlite

India - Tests: 4 - Portfolio: 8

Over 4+ years of experience in the App Industry, I focus my talents and collaborate with companies that have meaningful missions and want to leverage mobile apps. Developing an App has taught me how to focus on a craft that you provide as a service and make a positive impact in this world. I’ve developed multiple mobile applications for iOS and Android, in small teams or alone plus different APIs to support mobile applications. Technical Skills and Specialties --------------------------------------------- * IPhone development using the iOS SDK, Objective C using X-code5. Experienced with Core Data, EventKit, iAd and concurrency through NSOperation. * API development (for mobile or web applications), servers architecture, frameworks development, prototyping, productivity enhancing hacks. * Mac OS X development using Cocoa application frameworks. Experienced with Core Data, CalendarStore, Bindings and Core Animation.


97% Job Success
$14.00 /hr
1,974 hours

Haris L.

Haris L.

Senior developer, software architect

Bosnia and Herzegovina - Tests: 2

I am senior sysadmin/developer with extremely "deep" and "wide" knowledge and understanding of IT platforms and solutions. I have 20+ years of experience working in IT industry including, system and networks administration, software architecture and development as well as IT systems design and implementation, both Linux and Windows based platforms. For last 10+ years my focus was on opensource based platforms, frameworks and software, so following are some of my experiences: - WEB and desktop based software/services architecture and development using many different languages: c, php, perl, python, javascript, html/css, java, vb/vba, vfp... and frameworks; zend, django, express... - sysadmin of different linux flavors (centos, debian, redhat, suse...) - implementation and support of different opensource software platforms: Asterisk/FreePBX VoIP, vTiger CRM, Kannel/PlaySMS SMS marketing services... - design, implementation, tuning and maintenance of PostgreSQL and MySQL RDMBS - design and development of WEB and desktop opensurce GIS/GPS solutions (GeoServer, PostGIS, OpenLayers, OSM...) - lecturing and training both IT professionals and regular users - IT projects management In addition to above, I am also experienced in working cooperatively and effectively with people from a wide range of nationalities asI was engaged in several national wide projects financed and supported by UN/UNDP/UNESCO and WB/IFC.

93% Job Success
$33.33 /hr
1,298 hours

Glenn C.

Glenn C.

Full-Stack Mobile ( IOS / Android ) Developer

Netherlands - Tests: 8 - Portfolio: 7

I’ve been a agile software engineer in the mobile space for 7 years with a proven track record of completing projects on time and exceeding client expectations. During this course,I was responsible for bringing several high profile apps and games on the market. I am a result oriented person, fully dedicated to my work. I am also a person to be trusted, honest and reliable,as well as I don’t need to be trained. Be warm and you’ll instantly stand I can and will deliver great results with a process that’s timely, Exactly will be your in house developer. I’m here to bring your ideas and vision to mobile market with success and I have lots of experiences in app building from scratch. I have recently published a few IOS8 apps to App store and all are approved successfully. Mobile device platform: ✔ iPhone 6 plus, iPhone 6, iPhone 5s, iPhone 5c, iPhone5, iPhone4s ✔ iPad Air, iPad4, iPad3, iPad mini ✔ Google Nexus 5, Samsung Galaxy S5, S4, S3, HTC One My core skill-set: ✔ Native: iOS and Android ✔ Web service: XML/JSON, REST/SOAP ✔ Cloud backend:, AWS, Firebase, Foodie, remoteStorage, Twillio, Plivio ✔ Chat & Messaging Engine: XMPP, Jabber, OpenFire, OpenTok WebRTC ✔ Video/audio/image processing: OpenCV, GPU Image, CoreAudio, AVFoundation ✔ MySQL, SQLite, Oracle, SQL Server, ODBC ✔ Facebook, Twitter, Linkedin, Instagram, Youtube, Pinterest, Vimeo ✔ Google Map, Foursquare, Geolocation, GPS, Open Street Maps ✔ iAd, Adwirl, Revmob, Admob, Chartboost, Tapjoy, Flurry, Testflight ✔ Mantis, JIRA, RedMine, BaseCamp, Github, BitBucket, SVN ✔ Online Payment Gateway: PayPal,, Stripe, Payleap My Availability: ✔ I can work in Pacific Time Zone and EST timezone. ✔ I can dedicate 50+ hours per week in full time. ✔ I can talk or chat with you on skype / email. My Experience : - Social Networking App, Dating App , Messaging App , Shopping App , Video & Voice Call, Tinder, IOS8 update, Facebook integration, Barcode and QRCode Scanning, UI/UX, GPS location based - Tinder Style App, Snapchat Style App Development - High quality and Money-Back Guarantee Looking forward to work with you. Thanks, Glenn

95% Job Success
$66.67 /hr
1,381 hours

Sergey P.

100% Job Success
$40.00 /hr
1,045 hours

Arcadie Trebis

Arcadie Trebis Agency Contractor

JAVA (SE, EE) , Android, SQL Developer

Moldova - Tests: 2

Over the last 5 years, I have developed a wide range of projects using JAVA SE, EE and SQL. I also have some experience in the following areas: OOP, UML, Database Modeling, XML, HTML, DHTML, SWING, JSF, JSP, EJB, MySQL, PostgreSQL, Tomcat, Struts, Hibernate, Spring, JBoss, Lucene, Crystal Reports, Jasper Reports, Feeds (RSS, RDF, Atom), XMPP (Smack API, OpenFire Server), Twitter API, LinkedIn API, Semantic WEB (OWL, Link Grammar (MorphAdorner), WordNet), Data mining..., Google Android

Associated with: SOFTREACTOR LLC

$15.56 /hr
3,423 hours