Top Upwork Freelancers

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  1. Szabolcs S.

    Szabolcs S.

    VoIP specialist and Linux guru

    Romania - Tests: 1 - Portfolio: 2

    Over the last 10 years I have managed a wide range of IT projects and provider grade infrastructures, including VoIP platforms, VPNs, Linux servers, firewalls. My main profile is Linux servers and building VoIP platforms with opensource components as Opensips, Asterisk, MySQL, Radius, CDRTool, Mediaproxy, RTPProxy. I also have experience in KVM virtualization, Cacti and Nagios monitoring.

    $15.00 /hr
    0 hours
    5.00
  2. Arnel C.

    Arnel C.

    Phonegap, iOS, Android, HTML5, Angularjs, Nodejs and php

    Philippines - Tests: 3 - Portfolio: 6

    I am a professional programmer with more than 9 years experience of handling POS, desktop, mobile and web applications. My technical skills and experiences include the following: Mobile Development: Phonegap/Cordova Web Development: PHP (Structured, OOP, From Scratch), AJAX (Jquery, Moo Tools, prototype, Scriptaculous), CSS, XML Database Administration: MySQL, MSSQL, Mongo Open source: Joomla, Wordpress, Smarty, Zend, Magento, MVC (Model View Controller), SQL, Apache/Nginx Web Server, Sendmail, Git, CentOS, RedHat, Ubuntu, ezPDF, Backbone.js, Node.js, less CSS I joined Odesk to share my expertise and help buyers/employers with their business. Please see my portfolio for some of my completed work. I have Skype and a reliable Internet connection; therefore communicating with the client is never going to be a problem.

    $15.00 /hr
    1 hours
    5.00
  3. Md. Asaduzzaman Noor

    Md. Asaduzzaman Noor

    Android Application Developer - Expert on Functional Programming

    Bangladesh - Tests: 4 - Portfolio: 5

    Having a Bachelors Degree in Computer Engineering, my knowledge in IT ranges from experience with Java and Software Engineering, to Android application development and many other skills mentioned in the list bellow. The links of my best working published on Google Play Store https://play.google.com/store/apps/details?id=jumoke.lagos.shortestroute Programming Languages: - Java - C/C++ My Services: - GCM - Push Notification (Parse.com or other) - Google MAP API v2 - Camera Functionality - Reverse Engineering (APK Extraction using Algorithms) - PlaceAutoCompleteView

    $6.67 /hr
    0 hours
    5.00
  4. Alexander Kuznetsov

    Alexander Kuznetsov

    Alexander Kuznetsov

    Russia - Tests: 4

    My name is Alexander Kuznetsov! I'm from Russia. Over the last 3 years, I have developed software for PC (Windows), RTOS, Cross Platform, National Instruments hardware platform and PLC. My specialization is: C/C++ (Visual Studio, Qt (+QML), CodeBlock, LabWindows) C#, VB, VB .NET, VBA, VB Sctripts SQL/MySQL/SQLite OpenCV (I'm graduate student of computer vision systems department) Scripts for Microsoft Office. LabView (incudin NI hardware platform PXI, PXIE and Compact Rio). I have National Instruments certificates (2+ Years experience). Programming OMRON PLC, OMRON Graphic Tuch Panels and OMRON SCADA. I have Omron certificates. Programming scripts for Zuken E3 Software.

    $7.78 /hr
    0 hours
    5.00
  5. Benjamin Mayo

    Benjamin Mayo

    Benjamin Mayo

    United Kingdom - Tests: 5 - Portfolio: 2

    I have developed several iOS apps and projects for myself and others over the course of my career. These include "Bingo Machine" and most recently "Cloudier", a collaboration with esteemed designer Jackie Tran. I have impeccable care over details. I blog about incredible, and terrible, design aesthetics at http://benjaminmayo.co.uk and I hold myself to the same high standards with which I critique others.

    $25.00 /hr
    0 hours
    5.00
  6. Aram B.

    Aram B.

    C#/.NET Winforms/Java SE and Android Developer

    Armenia - Tests: 6 - Portfolio: 5

    Hi, my name is Aram. I believe that the core understanding of the problem is the 90% of work done, so I'm always trying first to understand what client wants and then start development process. As I didn't have a time to work remotely before I don't have any job done here so I don't have any feedback. I'll be appreciate to you if you'll give me a chance to show my professional skills and punctuality. Thank you! Below are my skills: .NET and C#: Winforms, Collections, Multithreading, Sockets, etc. Java SE: Swing, Collections, Multithreading, Sockets, etc. Android (2.x+): Activities, Fragments, Location APIs, Multithreading, SQLite, etc. Technologies/Protocols: WCF, XML, XML-RPC, JSON, SOAP, SMPP, etc. Databases: SQL Server, MySql, SQLite, Oracle IDE: Visual Studio, NetBeans, Intellij Idea, Eclipse, Notepad++ OS: Windows, Linux VCS: Git, Mercurial, SVN.

    $16.67 /hr
    0 hours
    5.00
  7. Oleh K.

    Oleh K.

    C# Developer

    Ukraine - Tests: 5

    Hi. My name is Oleh. I love to solve problems and create architectures that prevent them. I'm driven, if not obsessed, by solving different technical challenges. When I don't have one to solve at work, I invent them on the side to keep my development skills sharp and give myself a reason to get out of bed, or even sometimes stay up all night. I have good experience in: - Desktop development on WPF and Windows Forms; - Web development on ASP.NET/ASP.NET MVC; - Metro development (Windows 8 apps); - Have good database knowledge (SQL Server, MySQL, SQLite etc) and ORM (Entity Framework); Feel free to contact me if you need help implementing your next idea using cutting-edge technology.

    $14.99 /hr
    0 hours
    5.00
  8. Chandan K.

    Chandan K.

    sugarcrm expert web developer

    India - Tests: 1

    PenguinCRM is the leading SugarCRM consulting company in India. PenguinCRM follows a well proven implementation approach which includes - functional gathering (where it understands the exact requirement and followed by screen designing), development and Customization, Testing, Data migration, user acceptance and testing, users training and prolonged support. Most of our employees/ consultants are young yet experianced and have served many companies across the world with optimum client satisfaction. We believe that the successful deployment of CRM depends on user compliance. Thus we are committed to provide you an exactly customized CRM for your specific requirements. We have also performed various integrations like "Asterisk - SugarCRM integration, Wordpress/Drupal/Joomla integration with SugarCRM, outlook integrations" and many more... In Addition of SugarCRM services we also provide Joomla related services, custom web development, php based development, Magento development etc. We also have an experienced team working on php custom web development, who have in depth knowledge on PHP, Cake framework, Zend framework, Y framework etc.

    $12.22 /hr
    3 hours
    5.00
  9. Andrey Ogurtsov

    Andrey Ogurtsov

    Biostatistician / R programmer

    Ukraine - Tests: 1

    Biostatistician with 3 years of experience. Favourite programming tools - R and SPSS. Performed works: • definitions of primary and secondary variables; • sample size calculations; • writing statistical analysis plans for phase I-IV and bioequivalence trials; • performing statistical analysis and writing statistical reports; • creating CRF; • data input and verification; • developing correspondent SOPs. STATISTICAL AND MACHINE LEARNING SKILLS: • classical methods of analysis; • general and generalized linear models; • non-linear modeling (splines, GAMs); • tree-based methods (bagging, random forests, boosting); • dimension reduction (PCA); • clustering (hierarchical, K-means); • cross-validation; • bootstrap; • multiple comparisons adjustments. PROGRAMMING SKILLS: • using R functions for wide range of statistical methods; • writing new R functions to implement desired functionality; • data wrangling with basic R functions and packages like reshape2; • data visualization (basic graphs and ggplot2); • automated report generation and reproducible research (knitr with R Markdown or LaTeX); • interactive presentations with shiny, rpanel and googleVis; • SPSS (both GUI and syntax); • SQL (basic knowledge).

    $10.00 /hr
    0 hours
    5.00
  10. Scott Holmes

    Scott Holmes

    App Tester, Reviewer & Marketer

    United States

    I've been testing and reviewing apps as a freelancer since September 2013. I work freelance for 5 different Companies as a Tester and Reviewer. I have created some simple apps and look forward to providing an app development, testing and reviewing service of my own once I get some more experience! My company name is SphereApps I do Twitter and Facebook Marketing...

    $8.00 /hr
    0 hours
    5.00