Top Upwork Freelancers

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  1. Eugene Shershen

    Eugene Shershen Agency Contractor

    Python/Django/Node.js Developer

    Ukraine - Portfolio: 4

    - Python (Django, Flask, twisted, tornado, gevent) - Node.js (Express, sailsjs, socket.io) - Golang - Experience in developing of highload REST-services - Excellent knowledges and experience in developing in Linux/FreeBSD/OS X - MongoDB, PostgreSQL, MySQL, Firebird, SQLite, redis, memcachedb, tarantool - Experience in developing of multithreading (pthereads) and asynchronus servers and daemons - Development with git version control systems

    Associated with: SOFTREACTOR LLC

    $15.56 /hr
    0 hours
    0.00
  2. Ratko Flajpan

    Ratko Flajpan

    DOS, WINDOWS, VIRUS CELAN EXPERT

    Croatia

    I cam programmer in DOS, WINDOWS and can help you to clean your computer of all virus in the world. I can do your computer faster, can connect to it from my own so I do not need to come to your office. Can be written small and large programs more or less demanding, I'm either with my team of programmers to maintain the entire database or individual needs. I'm working on a smaller virus cleaning, speeding up computers, but also demanding applications to specify helicopter on platforms or small yacht taking into account all weather conditions as well as the waves of the sea. Can do any program !

    $38.89 /hr
    54 hours
    0.00
  3. Joan-Alexander Grigorov

    Joan-Alexander Grigorov

    OMG-Certified UML Professional

    Bulgaria - Tests: 3 - Portfolio: 2

    Software Engineer over here! Domain-driven design enthusiast with passion for structuring flexible OO design with PHP. Certified as UML Professional (Fundamentals) by Object Management Group on December 2013. For the last 4 years I've been actively developing web applications using Zend Framework (since July 2012 I'm Zend Framework Certified Engineer). Expert in design patterns with over 4 years of professional experience. I'm developing enterprise web applications, file sharing systems, websites, web application frameworks, etc. Achieving high quality of code, good performance and reusable object-oriented software design is my primary goal when working. I don't underestimate documentation as my source code is always well documented, with end-user manuals when needed. In the last two years I've gained rich experience with Dependency Injection and Service Locators and successfully applied those approaches my projects. I'm always ready to learn new approaches, if they could make my work quicker and easier. I have experience in educating developers. I've been teaching students PHP, Zend Framework(basic and advanced levels), MySQL, jQuery, Design Patterns and etc. I'm seeking to develop big and complex web applications using the last technologies and software development methodologies.

    Groups: Zend Certified Engineers

    $20.00 /hr
    3,373 hours
    0.00
  4. David Becker

    David Becker

    Experienced Web Master

    United States - Tests: 4

    Over the course of ten years, I have developed and maintained a wide variety of websites and online content. Some of which basic, static sites that are there only to inform, to the truly dynamic and changing sites that fully use the power of PHP, Flash, and MySQL. I have also written over 400 articles for as well as edited and managed over 1500 articles from my team of writers over the last year. All of which driving massive amounts of traffic to the website in forms of new readers and socializing members.

    $27.78 /hr
    235 hours
    0.00
  5. Ivan N.

    Ivan N.

    SAP-ABAP, C#, SQL Developer

    Moldova - Tests: 3

    My core competency and objective is to get one of the following C/C++, C#, SQL or SAP-ABAP jobs: The responsibilities would be: 1) Maintenance of existing software: * design and develop new features; * find, analyze and fix all bugs; * technical documentation. 2) Software development: * participate as a team member in work; * analyze and define requirements; * design, code and test entire software; * design, code and test modules assigned to me; * technical documentation. Over the last 5 years I have developed a lot of ABAP applications for start up companies and for the big ones. My competency lies in complete software development and its thorough testing. I have developed a lot of applications for insurance companies and retail companies. The main responsibilities during my career were: 1. Creating / modifying reports using simple listing, ALV Grid, ALV Tree 2. Creating / modifying / testing custom applications 3. Creating/modifying Smart Forms, SAP Scripts 4. Extracting programs (creating files and simple listing reports with the data extracted both on local & application server) 5. Defining and maintaining data types, domains, database structures, database tables, maintenance & cluster views 6. Interfaces for major data transfer using Batch Input/Call Transactions, BAPIs 7. Defining and Calling Screens/Selection Screens 8. Creating Search Helps, Search Help Exits 9. Creating / modifying ABAP Queries 10. Working with ABAP objects. Creating/modifying ABAP classes/interfaces 11. Creating/Modifying Function Modules, RFC functions, Update Functions 12. Creating/Implementing/Modifying User Exits, BADIs 13. Creating/Calling Web Services. Use SAP Web Application Server as a provider and as a consumer 14. XML->SAP & SAP->XML transformations I also have experience in SQL, C#, C++, software design and testing.

    $17.78 /hr
    43 hours
    0.00
  6. Vadym Shmorgun

    Vadym Shmorgun

    QA Engineer

    Ukraine - Tests: 3 - Portfolio: 2

    • Work experience on outsource resources where I was testing small-scale projects. The purpose of my testing was a verification, validation and error detection. • I have some experience in testing web-sites (functional, usability, GUI, regression testing), testing mobile applications on Android and IOS, and small experience in writing test cases. • understanding of testing processes, methodologies; • theoretical knowledge of basic concepts of testing, types of testing; • ability to work with test documentation; • English pre-intermediate level; • experience with the Bug tracking systems (Mantis); • advanced user of OS Windows, MS Office; • confident user browsers IE, Google Chrome, Fire Fox, Opera;

    $3.00 /hr
    20 hours
    0.00
  7. Andrey Markin

    Andrey Markin

    Developer

    Russia - Tests: 3

    I'm a Java developer moved from financial markets modeling and algorithmic trading to software development and integration architecture. My experience varies from data analysis to python, java and javascript web frameworks to java backend development and server configurations. Long term relationships with clients are number one priority, but this doesn't mean I'm not interested in just-do-it monthly projects. As a selfish egoist I'm primarily looking for interesting ones.))) I'm flexible with my working hours and am able to work closely with any existing coworkers you work with. Making a contact is a perfect and surprisingly the shortest way to start cooperating. Yours Andrey).

    $12.00 /hr
    87 hours
    0.00
  8. Dusan K.

    Dusan K.

    Customer Service & Support|Data Entry|Data Analysis|

    Serbia - Tests: 7 - Portfolio: 2

    I finished "Singidunum" University in Belgrade, Serbia. There I studied fast typing, marketing, trade, monetary policy, accounting, commerce etc. Gained experience on email and over phone support while working for Amazon, as Seller Support agent for UK marketplace. Furthermore, I worked for The Body Shop UK, USA and Canada as Customer Care Representative. I also have good experience in the following areas: Microsoft Office, SAP, JIRA, CyberSource, Customer Service Central, Customer Support, Seller Central, Seller Support (phone and email).

    $5.00 /hr
    999 hours
    0.00
  9. Rose C.

    Rose C.

    Self-Employed Freelance Writer from Milwaukee, WI

    United States - Portfolio: 4

    I have a bachelor's degree in elementary education and a master's degree in special education. I taught special education for four years while my husband was in med school before pursuing freelance work. I've been freelance writing full-time since June 2011. My liberal arts higher education has prepared me to write professionally on a wide variety of topics. This includes completing my writing in a timely manner and proofing it to ensure that it is error free and ready for publication.

    $27.00 /hr
    54 hours
    0.00
  10. Rui Pimentel

    Rui Pimentel

    Web Developer with more than 6 years of experience

    Portugal

    Looking for a fast, viable and cheap web application? I have the solution for you! I'm an expert with more than 6 years of experience in development of all kinds of web applications, using PHP, Mysql, HTML 5, CSS 3, Jquery/Ajax... My main area is Web Crawling, based on PHP + cURL scripts developed from source, having already worked in thousands of different crawlers. Contact me, and I can assure you wont regret!

    $12.79 /hr
    2,000 hours
    0.00