Top Upwork Freelancers

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  1. Emilio Bustos

    Emilio Bustos

    Erlang and XMPP expert

    Argentina - Tests: 1

    If any of the following looks like what you need to be done, then I can help you reach your goal. * Add chat capabilities to your web site, social network or online game * Create a mobile chat application in the likes of WhatsApp / Line / Kakao / Telegram. * Obtain reliability and responsiveness on unstable network connections * Scale to millions of users * Unique features to you product * Need guidance on the next step to take * Someone who can deliver you a solution from start to finish Great expertise on Erlang, XMPP, Node.js, High-concurrency and Massive scalability. I have done custom developments for chat applications, including: * Ejabberd modules and core modifications * Web chat client (using strophe.js) * Android chat client (using aSmack) * Desktop XMPP clients (using XMPP4R, SleekXMPP)

    $45.00 /hr
    43 hours
    0.00
  2. Peter Akop

    Peter Akop

    Test Automation Engineer

    Ukraine - Tests: 1

    I have experience in creating automated tests both for back and front ends, using Java as the Programming language. Performed and managed all testing processes including test plan development, automation framework development, functional testing, continuous integration, regression testing, smoke testing, UI testing, specifications analysis and bugs reporting. Recently got interested in Android applications testing. Technical skills: - Languages: Java, Sql - Bugtracking and issue systems: Jira, DBOSS - System version control: GIT - Application integration server: TeamCity - Database: H2 , mysql, oracle - Application builder: Gradle - Testing frameworks : Junit, Spock, Selenium webdriver - TestingTools: SoapUI, ITKO Lisa - Test management systems: TestLink, Spira

    $11.11 /hr
    10 hours
    0.00
  3. John Cunningham

    John Cunningham

    Senior .Net Engineer

    United States - Tests: 2

    Accomplished New York City based Technical Architect/Lead Developer with over 10 years of experience in all aspects of the system development life cycle including requirements analysis, design, development, testing, debugging, and deployment. Proven track record of implementing enterprise scale database-driven web applications with a focus on .NET and Microsoft technologies.

    $59.00 /hr
    12 hours
    0.00
  4. Raj Gupta

    Raj Gupta

    Expert in Image Processing and Computer Vision

    India - Tests: 2 - Portfolio: 9

    I work on challenging problems which in turns helps in developing a systems. These systems will be built by using new directions and delivering exceptional results with high impact. I provide solutions for image processing and computer vision tasks. I have published research papers (in CVPR, ICCV, ECCV and ITSC) and hold several patents. My expertise is in service modals like Consultancy, Image Processing System Development, Data Visualization and Vision Based System using languages like C, C++, java and Matlab . I even help to create a unique selling point by innovating new idea to work on requirement.

    $44.44 /hr
    150 hours
    3.89
  5. Dmitriy Murashov

    Dmitriy Murashov

    Programmer PLC Step7 Beckhoff HMI SCADA

    Russia - Tests: 2

    •Highest education achieved: Master’s degree Total years of work experience: 6 years •Successful background in development of programs for Siemens PLC (Simatic S5,S7), Siemens HMI (ProTool Pro, WinCC), Mitsubishi PLC, Omron PLC, Allen Bradley PLC (SLC500), Wonderware SCADA (InTouch), Rockwell SCADA (RS VIEW32) in automobile and tobacco industry. Profound knowledge of Siemens, Omron, Mitsubishi and Allen Bradley PLC Networks, Flex I/Os, Operator Panels; installing, configuring, parametrizing, updating, troubleshooting Siemens, Omron, Mitsubishi, Allen Bradley Software for PLC. •Strong experience in developing, installing, setting up, troubleshooting, modernization of automation control systems, process visualization systems; making technical documentations; adjusting, tuning and repairing all kind of electronic and electrical equipment (Drive Control, Servo Drive Control, Step Drive Control, Motion Control, etc.) .

    $16.67 /hr
    19 hours
    0.00
  6. Krisel Aimee Mercado

    Krisel Aimee Mercado

    Software Developer / Web Developer (LAMP Stack)

    Philippines - Tests: 2 - Portfolio: 2

    - Worked in an Agile environment, - Designed and deployed ERP reporting for the construction industry from SQL queries to graphing - Experience with MySQL database development and Transact SQL statements - Experience with Linux/ Unix Administration and Development - Hands on web development experience in front-end and/or back-end - Hands on coding experience using JQuery, JavaScript, HTML and CSS - Hands on coding experience in PHP - Familiarity with responsive web design implementation - Comfortable in Object Oriented Programming (OOP) practices and use of design patterns - Well versed in cross–browser compatibility - Skilled at debugging web pages - Highly comfortable working within a LAMP stack - Experience working with SOAP and REST APIs - Excellent written and verbal English

    $15.00 /hr
    318 hours
    0.00
  7. Lilit Harutyunyan

    Lilit Harutyunyan

    Detail-oriented Project Manager and Translater

    Armenia - Tests: 1

    First let me say that I believe that nothing is impossible, as the word itself says - "I`M POSSIBLE" If you need a project manager who will manage multiple workers for a particular project, can be detail oriented and have great skills in English, than I am here at your desposal. I have Bachelor`s degree in English language. I have 2 years of experience in IT sphere as a project and marketing manager. I am object-oriented, hard-working, very cooperative and can be supportive all along. Any job I do, I do with passion to provide great results. I am a good communicator and always keep an open communication which makes me successful in my cooperation.

    $8.00 /hr
    91 hours
    0.00
  8. Lorenzo Chellini

    Lorenzo Chellini

    Expert Mobile App Developer

    Italy

    Over the last 5 year, I have developed mobile apps for iOS and Android using their native languages: Objective-C for iOS and Java for Android. I began my job experience for passion more than 15 years ago as a CD-Rom developer using Macromedia Director and I’m also a skilled Adobe Flash - AS3 developer. My applications use XML, SQLite database, WebServices and REST API. I have also experience in Javascript and PHP development. I still work with great passion and I am always ready for new challenges. "Pleasure in the job puts perfection in the work" (Aristotle)

    $20.00 /hr
    130 hours
    0.00
  9. Felix Mondelo

    Felix Mondelo

    Software Engineer

    Spain - Tests: 1

    Specialist in BizTalk Server solutions, since 2005, MCTS in Biztalk Server 2004 and Biztalk Server 2006, also MCSD in .NET. 9 year experience in Biztalk projects (Biztalk Server 2004, Biztalk Server 2006, Biztalk Server 2006 R2, Biztalk Server 2009, Biztalk Server 2010 and BizTalk Server 2013). My tech blog: http://felixmondelo.blogspot.com/

    Groups: Microsoft Certified Professionals

    $44.44 /hr
    158 hours
    0.00
  10. Michael Perrotto

    Michael Perrotto

    Software/Game Developer

    United States

    Mike is a software developer with 14+ years professional experience whom also enjoys voice over acting, cooking and project and development management. He has built and managed teams both onshore and offshore of over 30 developers, QA analysts and configuration managers. His heart is in the creation of video games and he is very excited to be focusing more time in that arena.

    $40.00 /hr
    1,061 hours
    0.00