#erlang (Ejabberd, MongooseIM, Cowboy) #C++ (Qt framework) #nosql DB (Cassandra, Solr) Excellent understanding of XMPP from client to server. I have implemented XMPP client for web app (using Strophe), android app (using Smack), desktop app (using libjingle). On ejabberd/mongooseIM, I have implemented many modules that defines own presence, iq, message, even I can define own stanza. Execellent understanding WebRTC. I have implemented Linux application that uses XMPP or Websocket for signaling and WebRTC for media transport to establish p2p audio&video call. Source code of Android WebRTC application are public on github. In these days, I spend free time on + Cowboy web server and Alice AIML chat bot. + forex trading and indicators implementation for MT5.

I'm an expert in developing iOS, WatchOS and TVOs based mobile apps with more than 5 years of experience in Objective-C, Swift, and C/C++, as well as implementing web services, architecture design and enterprise mobile environments. Working at "Wegile" is like being a member of a winning team where innovation is “meaning of life”, motive is “progress through learning” and "there is always a better way of doing things" is the common belief. Expertise: • Native mobile app development for iPhone & iPad - iOS, Apple Watch - WatchOS, Apple TV - TVOs • Mobile Backend development (Parse, AWS API Gateway, Google App Engine, REST Web Service API, XML/JSON) • WatchKit, Xcode 7, UIStoryboard, AutoLayout • Development languages: Swift 2.x and 3.x, Objective-C, C/C++, AngularJS, NodeJS, JavaScript, Ionic, Cardova, HTML5 • Database: MySQL, SQLite, PostgreSQL, MongoDB, Core Data, AWS Dynmo DB • Social network integration: Facebook, Twitter, Foursquare, LinkedIn, Google+, Instagram • Chatting protocol: XMPP, Open Fire, AMQP, MQTT • Geolocation services: GPS, Google Maps, Yandex Maps, OpenStreetMap • Payment services: PayPal, In-App Purchase, Stripe • Misfit API, FitBit API, Expedia API, other 3rd Party BLE 4.X device integration API's • Version control: Git, Subversion • Analytics services: Flurry, Google Analytics, Mixpanel, Localytics • Distributing services: TestFlight, HockeyApp, Crashlytics • Design Tools: Adobe Photoshop, Sketch • UIKit framework, Core Graphics for customized UI components • Core Data, iCloud integration for data storage • AV Foundation, Core image • iAd, In-App purchase • Offline Map using route-me library If you have any questions, please send me a contact request on UpWork and I'd be happy to collaborate with you on your next project. Thanks, Som

I am a full-stack web developer. Here are languages, stacks that I have experience: - MEAN (MongoDB, ExpressJS, Angular, NodeJS) - NestJs - Javascript, Jquery, Ajax - CSS, Twitter Bootstrap - Python - PostgreSQL - PHP, MySQL - GIT I also write unit testing with karma and E2E test with protractor. With real time applications, I worked with websocket, socket.io, XMPP. I worked for web companies for years, now I want to start working as a freelancer. I'm looking for client that want to build a web app with quality over quantity.

Get noticed with e.g. Mobile Apps Stand out from the crowd with a simple yet striking Mobile Apps. First impressions matter. Make sure your customers remember you with a tailored APP that reflects you and your business. Using Native iOS and Android as a spring board, I’ll create your unique APPS where your customers get the full story, with simple navigation and elegant design. I have very sound experience of following - React Native - iOS app development - Social App development - Chat Integration - XMPP Integration - Location based services and many more. Please provide me a chance to show my potential and I am sure that you will never get disappointed from my work and communication process. Thanks for giving your time to read out my profile overview.

I have over 2+ years of experience in iOS Application Development. **Core Expertise and Skills** FrontEnd Language- Objective C, Swift UI Designing - Storyboard, Segues Framework - UIKit, Firebase, Cocoa Touch, Core Data Web Services - Web Services (REST and SOAP) Parsing - JSON Parsing, XML Parsing Database - SQLite Database, Mysql API Integration - Google Maps, Apple Maps, XMPP IDE - Xcode Library - Socket.io, Alamofire Webhosting Server - Git, Bitbucket, Svn Dedication, the Constant learner is what defines me.

Dear Clients!!! I have rich experience in System Integration for 10 years over. I am a Network and Cloud System expert. I have developed many OpenWRT, DD-WRT, ASUSWRT, CarrierWRT firmware by my customers's suggestion. I love Twilio/OpenSIPs/XMPP. Main Skills - OpenWRT, DD-WRT, ASUSWRT, CarrierWRT, Pfsense - Embedded C, Embedded Linux - AWS(EC2, S3, Route53, OpsWork, Cognitor, RDS, DynamoDB), Godaddy, 1&1, Serverloft, Hostgator - Network Security & Design - Oracle(9i, 10g, 11g, 12c), SQL Server(2005, 2008, 2012, 2014), MySQL, MariaDB, Sybase, PostgreSQL, MongoDB, NoSQL, ArangoDB) - OpenSIPs, OpenVBX, Twilio, Pilivo, GoAutoDial, RADIUS, AWSTATS, Nagios, Nginx - GIT, Bitbucket, SVN, Trello - Ciso Router&Switch&Firewall - Web Server Management(wordpress, phpBB, phpNuke, magento, drupal, larabel, joomla, nodejs, python/django, ruby on rails, jsp, asp) Thanks.

I have been working as an iOS developer for the last 6 years. I develop apps for iPhone, iPad and iWatch devices and also design different user interface for different devices for the same project so user can take benefit of his/her device. I develop many apps. I also lead android developers and web developers so client can get the full solution from me for their business and ideas. I offer XMPP app development, mobile ERP solution, social media integration, analytics reports integration, custom API integration, website creation. I work on Swift, Objective-C, Android, XMPP, Openfire, Sqlite, PHP (codeigniter/laravel framework), Node.JS. I have good knowledge in XMPP framework & Opefire server. I have developed chat application using XMPP framework & Opefire server which work similar to Whatsapp And also integrated custom Opefire server API into app as per client needs. This app send & receive simple messages, files, photos, audios, videos, broadcast messages, etc. I visited South Korea in September 2016 for DIYGame company. I worked there two months and I completed two project successfully during this period, one for TV news channel and second app is used to create business card. I made one iWatch application for golf players and this project is also for Korean company. Using this app, player can monitor there swing, his/her speed, etc. I am self motivated, enthusiastic, self-learner so I can convert any idea & business model into good application as well.

I am Kamil C. from Moscow,Russia. https://www.facebook.com/profile.php?id=100011193570400 https://ru.linkedin.com/in/kamil-chanas-4b3792111 I am a professional iOS and Android expert who has huge expertise and rich experience of Mobile app development over 7 years. I have developed various kinds of iOS and Android apps such as social networking app, lifestyle app, fitness app and etc. These apps was developed by myself when I was working in a mobile software company and I played role as a main developer there. Now I work as an individual developer with full time. I have been developing Web application using PHP, Html and CSS since 2003, Android applications since 2005 and iPhone/iPad applications since 2007. Most of my Web applications were eCommerce and CMS related. My main field of Mobile development is the native application development(iOS & Android, Swift). I mastered all parts of mobile technologies with full experience and I am able to work on web service which is also an essential part of mobile app development. I wanna be a Top Upwork developer with my high programming skills and endless efforts by providing "Quality" works to my clients. I love creative and quality works and challenging big projects. -Mobile device platform: ★ iPhone 6 plus, iPhone 6, iPhone 5s, iPhone5, iPhone4s ★ iPad Air, iPad4, iPad3, iPad mini ★ Google Nexus 5, Samsung Galaxy S5, S4, S3, HTC One -My skill set: ★ Native: iOS, Android (Objective-C, Swift, Java), JNI, NDK (C/C++) ★ Web service: XML/JSON, REST/SOAP ★ Cloud backend: Parse, Amazon, Firebase, Foodie, Twillio, Plivio ★Chat & Messaging Engine: XMPP, OpenFire, OpenTok WebRTC ★MySQL, SQLite, Oracle, SQL Server, ODBC Facebook, Twitter, Linkedin, Instagram, Youtube, Pinterest, Vimeo ★ Google Map, Foursquare, Geolocation, GPS, Open Street Maps ★ Online Payment Gateway: PayPal, Stripe, Venmo, Braintree ★ Mantis, JIRA, RedMine, BaseCamp, Huddle, Sprint.ly, Github, BitBucket, SVN Now I am looking for the great jobs what I can implement my perfect skills. I will help all of clients with my high skills and endless efforts who have desire to make their ideas come true. Thanks for your visiting.

Hi, I’m Anisur Rahman, a professional Mobile app developer with expertise in Kotlin, Java, Jetpack Compose, Flutter, React Native, with 5+ years of experience. I create modern, scalable, and high-performance mobile apps for both native Android and iOS as well as cross-platform needs. From custom UI to API integration, I handle everything—bug fixes, new features, or full app development. I ensure clean code, on-time delivery, and full support. Let’s build your next great app together!

Hello, I am a, IOS application developer, Web Developer. I have strong knowledge on Responsive Design, UI / UX.