Top Upwork Freelancers

Clear all filters
  1. Aleksey Zhuravlev

    Aleksey Zhuravlev

    Responsible skilled Web Developer, Javascript and PHP expert

    Russia - Last active: 4 months ago - Tests: 4 - Portfolio: 1

    I have over 5 years of experience in Software Development. Excellent in web application and data warehousing. • Deep knowledge of JavaScript, PHP and HTML/CSS (jQuery, Backbone, Handlebars, Express, Silex, Kohana, Smarty, Twig) • High experience in SQL and PL/SQL (MySQL, Oracle 11g) • High experience in VCS (subversion and git) • Experience in node.js • Experience in Apache httpd and nginx • Experience in mongoDB • Experience UNIX/Linux and Windows operating systems administration

    $27.99 /hr
    354 hours
    5.00
  2. Aleksey Khazov

    Aleksey Khazov

    Embedded Soft | Desktop Application | Trading System | Web Development

    Russia - Last active: 2 months ago - Tests: 1

    Development of the system software for microcontrollers and digital signal processors (DSP) from Texas Instruments, ATMEL, Analog Devices. IDE: Code Composer Studio, Visual DSP ++, IAR Embedded Workbench. Development of the different periphery as ADC, DAC, RS-485, EEPROM, RAM, GPS, USB, PCI, real time clock (RTC) and others. Languages C and C ++. Development of software under Windows in environments C ++ Builder and Microsoft Visual C ++ (console and Windows Form.NET application) in languages C and C ++. Writing of drivers in WinDriver. Development of help systems in HTML Help Workshop, installers in InstallShield and Smart Install Maker. Creation the menu autostart of CD. Development of documentation - specification, instructions. Web programming (HTML, PHP, CSS, MySQL, Ruby). Programs: Microsoft Office, Visio, Adobe Photoshop, Corel Draw, 3D Max, Subversion and others. Development of automatic trading systems on the MQL 4 language (Development of Expert Advisors, Custom Indicators, Scripts, Libraries).

    $11.11 /hr
    180 hours
    5.00
  3. Yura Lukashik

    Yura Lukashik

    Symfony2 / Python / PostgreSQL / Node.js / ReactJS

    Belarus - Last active: 5 months ago - Tests: 3 - Portfolio: 1

    Over 5 years of experience in: - PHP - PHP Frameworks - Symfony2 - Yii - Python(Django, etc.) - PostgreSQL - API Building(FullRest, JSON RPC) - OOP Design Patterns Good knowledges in(over 2 years of experience): - JS - NodeJS - C/C++ - RabbitMQ - SCRUM - Testing(BDD) - Gherkin language - Functional testing - Unit testing - Continuous Integration - Codeship - TravisCI - Game Development

    $27.78 /hr
    354 hours
    5.00
  4. Majorvin T.

    Majorvin T.

    Senior QA Developer/Selenium Developer/Mobile Tester

    Canada - Last active: 10/20/2014 - Tests: 5 - Portfolio: 1

    • More than 3 years of IT experience specialized in quality assurance in multiple industries and environment • Creates Selenium C# API to turn manual web process into web automation • Strong testing experience in automation testing, regression testing, user acceptance testing, functional testing, performance testing, integration testing and load testing • Involve in entire QA process including defining, designing, creating and executing test cases; Experienced in test result and defect analysis • Well versed with QA Methodology and QA process to ensure high quality product • Proven hands-on experience in testing java and web-based applications • Creative problem solver with advanced analytical and planning skills; Exceptionally high attention to details • Working towards CSQA designation • Open to new challenges and opportunities, fast learner, self-motivate, and hardworking

    $33.33 /hr
    1,818 hours
    4.45
  5. Carlos C.

    Carlos C.

    J2EE/PHP5/SQL Developer. Linux SysAdmin. Brainbench certified

    Spain - Last active: 11/19/2014 - Tests: 6

    More than 7 years of experience coding in PHP using many SQL databases (MySQL/PostgreSQL/MSSQL). I have worked in many projects as a project leader. I feel very confortable in managing my work time to complete the schedule. Experience with Zend Framework; MVC and Singleton patterns. Expert in use of XML technologies, APIs, AJAX and coding using OO (Objects). Skills using design software (Fireworks, Photoshop, Gimp). GNU/Linux system's administrator for more than 6 years.

    $17.78 /hr
    26 hours
    4.99
  6. Monis Rizvi

    Monis Rizvi

    Experienced Remote Technical and Live Chat Support, Ticket Support.

    Pakistan - Last active: 4 months ago - Tests: 4

    With more than 2 years of experience in customer service and technical support via live chat and tickets, I'm confident in my ability to find an amiable solution to any challenge I may encounter. As a self-motivated and determined person, with a strong capacity for learning, I thrive in virtual work environments - taking on new challenging and multi-tasking with ease. I've worked hard to foster strong working relationships and if I don't immediately have an answer to a question, I definitely have the skills and resources to know where to find it. As a naturally empathetic person with a solutions oriented attitude, I am able to relate to customers; helping them to feel comfortable and understood, while finding the appropriate solution for all parties involved. I am known for my commitment, superior work ethics, attention to detail and excellence in customer care.

    Groups: Microsoft Certified Professionals

    $6.67 /hr
    2,600 hours
    4.95
  7. Muhammad Raffay

    Muhammad Raffay

    Sr. Server Support Engineer / Consultant

    Pakistan - Last active: 08/31/2014 - Tests: 2 - Portfolio: 5

    I am result-oriented IT Professional (having more than 7 years of Experience) focused towards company’s operational goals by keeping abreast with current and emerging IT technologies. Core competency attribute as the management experience of supervising team of skilled human resources responsible for smooth IT operations; nevertheless has the ability to work as team member or in individual capacity. Substantial Project Management aptitude of planning, designing, and implementing large-scale Enterprise Network / System Infrastructure, Security Operations Center (CCTV/Bio-Metric appliances), Windows Active Directory, Microsoft Messaging and Collaboration and Back office Application Services along with different emerging technologies as per organization need. Also, have the knowledge of deliver cost effective solutions which meets the business requirement. And, ability to conduct AS-IS, TO-BE and GAP analysis to enhance business processes. Some of my salient achievements: • Bachelors of Engineering in Information Technology (B.E. IT) • Cisco Certified [CCNA 640-802, CCNP Cisco ID: CSCO13826485] • Juniper Certified [JNCIA-EX, JNCIA-ER, JNCIS, JNCIP Juniper ID: JPR81316] • Microsoft Certified System Engineer (MCSE 2003, Coursework) • Corporate IT Security- (Computer Networks Security) Design Experience: • Active Directory 2003/2008 • Microsoft Exchange 2003/2007/2010 • Microsoft System Center Operations Manager 2007 • Firewall (Cisco ASA, PIX525, Sonicwall NSA 3500, Juniper SSG 140) • Cisco Routers 800, 1600, 1800, 2800 • Cisco Switches 2900, 3500, 4500, and Extreme BD6800, x450, Summit 48si, HP ProCurve 2810, 1800 Specialties • Data Center Development • Network infrastructure design • System infrastructure Integration • Point-to-Point Wireless Solution • Unified messaging • Custom software development • Risk management and data security • Disaster recovery planning • Structured Cabling Solutions

    $16.67 /hr
    37 hours
    4.99
  8. Sergey Mikayelyan

    Sergey Mikayelyan

    Flash/Flex/AS3, Starling, Feathers Developer

    Armenia - Last active: 9 hours ago - Portfolio: 4

    Worked on complex Desktop implemented based on Flash/Flex/AIR/AS3 . Working on mobile (web) game using Flash/AS3 starling feathers frameworks.

    $13.33 /hr
    5,443 hours
    4.50
  9. Badr-eddine Dekraoui

    Badr-eddine Dekraoui Agency Contractor

    live streaming, video conferancing, web developer

    Morocco - Last active: 9 days ago - Tests: 8

    I am computer science student enthusiastic about the domain. Most of my projects had to do with visuals, the first one was a personal project about rebik's cube : -getting each face state using a webcam (openCV liberary) -creating a 3D model of the real life cube (openGL liberary) the developpement was using C++ and the Qt liberary for the UI I created and configured a video streaming server for both: -pseudo streaming (upload videos and share them like youtube) -real streaming (watch live video bieng streamed from a webcam) and of cource a database and website to manage all these services using: html , css , ajax , jquery , flash (AS 3) , pretty much the whole web package I also developed an application for my university using Zend Framework 2, allowing me to further deepen my web skills adding to that learning a professional working methodologie: the MVC architecture. I am always ready to learn new stuff and new liberaries

    Associated with: Royalty Designs Interactive

    $22.22 /hr
    0 hours
    5.00