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SIP Job Cost Overview

Typical total cost of Upwork SIP projects based on completed and fixed-price jobs.

Upwork SIP Jobs Completed Quarterly

On average, 39 SIP projects are completed every quarter on Upwork.

39

Time to Complete Upwork SIP Jobs

Time needed to complete a SIP project on Upwork.

Average SIP Freelancer Feedback Score

SIP Upwork freelancers typically receive a client rating of 4.48.

4.48
Last updated: July 1, 2015

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  1. Junaid Rehmat

    Junaid Rehmat Agency Contractor

    Experienced C/C++/Objective C Developer/iPhone Application Developer

    Pakistan - Last active: 4 months ago - Tests: 3 - Portfolio: 5

    Over the last 4 years, I have developed a wide range of projects using C, C++, Objective C, and Java. My core competency lies in iPhone Application Development. I have developed more than 15 major applications, including VOIP applications, social networking apps, drawing apps and/or a few apps with custom UI and self management features. I have hands on experience in iOS Application Development. I have developed many live applications. - Expertise in iOS (6.x, 5.x, 4.x) - Expertise in xCode (4.x, 3.x) - Expertise in VOIP applications using PJSIP and Doubango. - Expertise in XMPP Framework. - Expertise in Facebook, Twitter and LinkedIn APIs - UIKit Framework - UIMapKit Framework - Addressbook Framework - QuartzCore Framework - CoreAnimation Framework - AudioPlayer/MoviePlayer Frameworks - Client‐Server communication - Database designing using SQLite - PDF document reading - Inapp Purchase integration - MessageUI and MailUI Frameworks - JSON and XML Parsing. - Using GET, POST and SOAP web services. - Using Gesture Recognizer and UITouch controls. - Customizing User Interface.

    Associated with: AgileOne

    $20.00 /hr
    1,512 hours
    5.00
  2. Basit azeem S.

    Basit azeem S.

    OCPJP, Expert in Spring/Hibernat/Java/JEE based Projects

    India - Last active: 2 days ago - Tests: 6 - Portfolio: 10

    I am having 7+ years of professional experience in Design and Development of Java Technology based Desktop and Web Applications starting from Requirement Gathering phase to Testing and Delivery Phase. I have worked with giants like Tech Mahindra, Ericsson etc. as Software Engineer. My Skill set include - Core & Advanced Java, J2EE, Spring (All Modules), Struts 1&2, MVC 1&2, JSP, Servlets, JSTL, EJB, JSF, SIP Servlets, Web Services, Hibernate, MySql, Oracle, PL/SQL, JQuery, AJAX, DHTML, GWT. I worked extensively on many servers like JBoss, Sailfin/Glassfish, Tomcat, Weblogic on Windows and UNIX environment. I extensively worked on Eclipse and Netbeans and well aware of many Eclipse plug-ins like Debugger, JUnit, SVN/HG Plugin, WTP etc. I have good experience is SCM packages like GIT (GitHub, BitBucket), SVN, Mercurial (Hg). I am well versed with several build tools like MAVEN, ANT.

    $27.78 /hr
    2,283 hours
    4.76
  3. Vahram M.

    Vahram M. Agency Contractor

    Expert of Streaming Technology for iOS | Android | WP

    Armenia - Last active: 2 months ago - Tests: 4 - Portfolio: 2

    My profession is: SIP, RTP, RTMP, XMPP protocols; VP9, VP8, H.265, H.264, Opus, Speex, AMR, GSM, G.7xx Video and Voice encoding and transmission; OpenFire, Red5, Asterisk, OpenSips Servers; TLS, SSH, RSA security; TCP and UDP sockets, Tunneling, TCP over UDP. My experience in software development is 15+ years. Last 6 years I am working in mobile application development, especially with Video Chat, Audio Calling, Instant Messaging and other Multimedia solutions.

    Associated with: Be Interactive

    $33.00 /hr
    6,500 hours
    4.79
  4. Tom Thomas

    Tom Thomas Agency Contractor

    CTO -14 Yr Exp - C++ ,QT/VC++,COM,C#, Rasp PI,Plugin,Dev Driver,SNMP

    India - Last active: 5 days ago - Tests: 6 - Portfolio: 8

    I am a 15 year experienced Professional C/C++/VC++/C#.NET/Java/ASP.NET Developer with Design and Management Experience. My core competency lies in the end to end development of C++ (especially VC++ and QT C++) and C#.NET based applications. I also have very good experience in managing a team of size 5 to 25. I helped many start-ups to make their dream a reality and I am happy to say that most of my customers are repeat customers. My oDesk profile and customer feedback reflects exactly the same story. Please go though my oDesk work history for more details. I am willing to work on both Fixed Price ( Milestone Based) as well as Hourly based Projects. The key skills which distinguishes me form other developers are given below. VC++/ATL/COM, Raspberry PI,Android, Device Driver, Video Streaming,DirectX, SNMP, Protocol Development, Plugin development, Plugin Frameworks, Artificial Intelligence,Video Analytics, Scientific and Engineering Software, Computer Interfacing software. RESUME ==================== => More than 14 years of commercial software development experience with exclusive focus on Client Server/ Networking/Graphics/Robotics Technology. => In-depth knowledge in developing softwares with tools and technologies like VC++, Unix/Linux C++, .NET , C#.NET, VB.NET, ASP.NET and Java.' TECHNICAL EXPERTISE ==================== => The key technical Architect behind the Shareware products, KTS InfoMate, VideoManager +, MoneyCare +, SalesMate +, KTS InfoMate, CampusMate + and other products (with Plug-in Support) developed with tools VC++, ADO, MFC and ATL => The key Architect behind the extensible Web Content Management and Backup system KTS webCloud developed with tools VC++,VC#.NET, ASP.NET and SQL Server. => Worked for fortune 500 companies and MNC clients like GE, HP, Fujitsu,Toshiba, Hitachi, ISO. End To End Software Products Development Experience ============================================ Digital Signage Management Software (Tools and Technologies VC++, COM, ActiveX, QT C++, C#.NET, Java, ASP.NET, Web Services, Android , Linux, Raspberry PI, Windows, SQL Server/ MySQL, MS Access, Cross Platform ) Personal Accounting Software (Tools and Technologies : VC++, MFC, ATL , COM) Point of sales Software (Tools and Technologies : VC++, MFC, ATL , COM) Web Content Management System Software Framework (Tools and Technologies : ASP.NET, C#.NET ) Time Table Creation Software (Tools and Technologies : VC++, MFC, ATL , COM) Video Rental Software (Tools and Technologies : VC++, MFC, ATL , COM) Campus Management Software: (Tools and Technologies : ASP.NET , MySQL) Software Skills: Software Product Engineering, VC++, ATL, COM, DCOM, MFC , ActiveX, DirectX, DirectShow, FFMPEG, FFDShow, Win 32, .NET, C#.NET, VB.NET, ASP.NET,ASP, AutoIT, Bugzilla, ISAPI, Boost, Device Driver, NDIS Driver, Printer Driver, ModBus TCP, ModBus Protocol, SNMP, CMIP, HTTP,SMTP, FTP, TFTP, HTTPS, RTSP, SAP, SIP, H 264, MP4, MPEG2, AVI, Video Streaming, Flash Streaming, RS 232, USB, Firewire, Image Processing, Packet Sniffer, Ethreal, Video Analytics, Object Tracking, Aforge.NET, Vehicle Identification, Medical Imaging, Optical Networking, Mathematics, Physics, Game Physics, Simulation, Scientific Software, Linux , Unix C++, ObjectStore, SQL Server, MySQL, MS Access, Web Services, SOAP, gSOAP, JSON, Compiler, Lex,Yac, ASM, Data Structure, Fiber Optics, Embedded System, Raspberry Pi, Plugins, Excel Plugins, Office Plugins, Word Plugins, Plugin Framework, PhotoShop Plugins, Photoshop SDK, 3DS Max Plugin, Intelligent Transportation Systems, New Port Stepper Motor, Galil Motion Controllers, CRO, EDBA, WDM, SONET, SDH, SEO, SEO Tools Development.

    Associated with: KTS InfoTech Pvt Ltd, KTS InfoTech Private Limited, Santhisoft Technologies

    $40.00 /hr
    994 hours
    4.97
  5. Amit Sharma

    Amit Sharma Agency Contractor

    Senior Android Specialist

    India - Last active: 11 hours ago - Tests: 4 - Portfolio: 3

    More than 6 years of experience in software development. Created complex back-end management systems including content management, e-commerce, customer relations and communication interfaces. My name is Amit. I am currently working as a Lead Android Developer at CS Soft Solutions. I am an expert in the following mobility solutions: 1) Making your website iPhone/ Android/ Smartphone compatible using responsive design 2) Developing iPhone apps (including guidance through Apple’s approval process and business consulting) 3) Developing Android apps (including guidance through Google’s hoops and business consulting) Please review my technology skill chart for your assessment. Programming Languages: Java, C/C++, ASP.NET, JavaScript Mobile platforms : Android, iPhone Mobile Knowledge : Custom UI, Internet, Games Development, Databases, Multimedia, Maps & Location-Based Services, Messaging, Facebook Android SDK, Flurry Network protocols: SOAP, JSON, XML Development Tools: Eclipse, Net Beans, Git, Subversion, SVN Development methodologies: Agile/Scrum, Waterfall Operating Systems: - Microsoft Windows - DOS, - Linux, - OS X, - MAC OSx Databases: - MySQL, - PostgreSQL, - SQLite Applications: - Photoshop, - Dreamweaver, - Word, - Excel, - Access Others : - MapKit, - FB connect, - Twitter,Foursquare, - Web Services, - Push Notifications , - Camera, - Web synchronization, - GPS, - Quartz, - Instrument Testing - and Memory Leak Prevention etc. I love to solve problems. I am a hardcore coder. I hope you give me a chance to talk to you.

    Associated with: CS Soft Solutions Pvt. Ltd.

    $18.00 /hr
    537 hours
    4.74
  6. Raoul W

    Raoul W

    I am a mobile app developer

    Sweden - Last active: 22 days ago - Tests: 2 - Portfolio: 10

    Hello, Sir. I am a passionate mobile app developer with 5+ years rich experience. I am developing mobile apps since the first iPhone GPS tracker in April, 2010. I have several iOS and Android devices and developed apps compatible with all devices. Over all these years, I have accomplished amazing mobile projects successfully. Here is my skills and experiences in mobile development. - location tracking by GPS on iPhone/Android - Integrate Map using Apple MapKit and Google Map API - find location by geolocation - chat & message engine by XMPP Protocol - voice / video call using SIP Protocol - video streaming by HLS Protocol - photo / video processing - e-Commerce solution integrated with payment gateway - local and push notification As a skilled mobile developer, I will provide professional advice and perfect development solution. There is no problem to build mobile app with any idea or sketch. Thanks.

    $49.99 /hr
    43 hours
    5.00
  7. Jin B.

    Jin B.

    iOS/Android Mobile eCommerce App Developer

    China - Last active: 16 days ago - Tests: 3 - Portfolio: 3

    I have developed many mobile applications with photo/video sharing and social networking(FaceBook, Twitter, linked in and so on), front-end and back-end Web Service, management DataBase(sqlite,..), service based on location using GPS/Google Map, fitness app, audio/video streaming services. My expertise in Deliver the Quality of Apps in Required Time Frame. My key skills and abilities include (NOT limited to) + Text messaging and video/voice chatting - XMPP, OpenTok, Pusher, APN, VOIP/SIP + Networking framework - AFNetworking, Web RTC, Socket.io TCP/IP + iOS SDK (Foundation, UIKit, Core Data,AVFoundation, MoviePlayer,Quartz Core,Core Animation, etc) and iOS programming languages (X-code, Swift, Objective-C) + Map integration(GPS Location) /Google Map API, MapKit Framework + e-Commerce payment system - Paypal, Authorize.net, Stripe, Saleforce, card.io + ad serving or ad network SDKs (iAds, Google admob, etc) + Web service integrating - JSON RESTful API, Parse.com, especially integrating with ROR + Team Work - SVN, GitHub, Bitbucket + Various library development using C/C++

    $33.33 /hr
    335 hours
    5.00
  8. Muhammad Omer

    Muhammad Omer

    Programmer (C/C++, Android (SDK, NDK), Java/J2ME/J2EE, Mobile VoIP)

    Pakistan - Last active: 2 months ago - Tests: 10 - Portfolio: 10

    To help my clients meet their creative objectives relying on my sound software engineering and programming experience. I create consistent yet flexible software that stands out. I have 6+ year experience of software engineering and programming. I have good command over C/C++, Java, Android and other related technologies.

    $27.78 /hr
    125 hours
    5.00
  9. Rahul S.

    Software Engineer / Web Developer (C#/PHP/MySQL WordPress/ XMPP)

    India - Last active: 2 days ago - Tests: 4 - Portfolio: 1

    I have 2+ years of experience in ASP.NET/C#, and 2.5+ years of extensive javascript and jQuery development. My skills include building .NET sites from the scratch, writing custom modules, their maintenance and migration.

    $36.67 /hr
    28 hours
    5.00