Top Upwork Freelancers

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  1. Tabraiz J.

    Tabraiz J.

    Software Architect

    Pakistan - Last active: 1 day ago - Tests: 6 - Portfolio: 7

    To give the very best to my Customers in terms of execution of ideas, honesty and integrity during the application development cycle - perseverance to help them get what they ‘really’ want and never backing out of my commitments. Have been working in the field of IT for the past 15+ years in different roles as programmer, system analyst, software architect and consultant. Expert in most of Microsoft Stack. Well versed in Windows Internals, CLR framework, multi-tier application design and development, threading, Windows systems programming - have been recently working on Android and iOS.

    Groups: Crossrider

    $27.78 /hr
    1,246 hours
    4.98
  2. Riadh C.

    Riadh C.

    Expert in web automation

    Tunisia - Last active: 2 days ago - Tests: 2 - Portfolio: 9

    Expert in web automation, creating bots and scraping websites. With more then 6 years experiences in this field i can automate any process you want with the maximum accuracy and speed possible to a Machine. I use Java for multi-platform development so no matter what OS you got the bot will work for you. I can create light bot that do there task really quick or Human emulation bot which is the revolution of web automation field. I can bypass any kind of security from detecting ip to Captcha..

    $15.00 /hr
    378 hours
    4.93
  3. Ajit Rajthala

    Ajit Rajthala

    Expert Android Developer

    Nepal - Last active: 8 days ago - Tests: 3 - Portfolio: 6

    With 4+ years of experience in android application development, I have successfully developed wide range of android applications. My expertise lies in front end development as well as architectural design of the applications. I have proven my expertise in application development for the classifieds and e-commerce websites as well as utility, reader applications. My first concern is the customer satisfaction and to deliver top quality product on time. I'm always open to new ideas and experiments and I'm readily available to answer your queries. My skill set include: - Wireframe designing and ui interface - REST API - Google maps API - Facebook and Twitter API - YouTube API - Push notification(GCM, Parse SDK) - Google Analytics, Distimo SDK - bar-code scanning - Ad Integration(Google AdMob) - app performance and memory optimization - Android SDK Programming

    $25.00 /hr
    212 hours
    4.88
  4. Trimech S.

    Trimech S.

    Computer Engineer/ Senior Mobile (iOS and Android) developer

    Tunisia - Last active: 10 days ago - Tests: 3 - Portfolio: 4

    "Quality Service within deadline" I'm a mobile developer and i have managed and developed many iOS and android apps which run now on store successfully. • 3+ years of experience with Objective-C and the iOS platform • Excellent knowledge of the iOS SDK (Foundation, UIKit, Core Data,AVFoundation, MoviePlayer,Quartz Core,Core Animation, etc) • Extensive experience with implementing ad serving or ad network SDKs (iAds, Google admob, etc) • Knowledge of Facebook mobile SDK and open graph • Familiarity with SQL Lite and relational databases • Also i have expertise in iOS 7. • Map integration(GPS Location) /Google Map API, MapKit Framework • JSON/XML/KML Parsing, REST API • Chat App,... • Client/Server Communication ====> Please feel free to contact me.

    $30.00 /hr
    753 hours
    5.00
  5. Daniel J.

    Daniel J.

    Senior Systems Administrator

    United States - Last active: 1 day ago - Tests: 4 - Portfolio: 1

    I am a Linux expert. I have been a linux user for 16 years and have used it professionally for 14 years. I was an early adopter of the Nginx web server and over the last 4 years I have been using it exclusively to manage high traffic web sites. I specialize in Linux security and have professional experience securing a web server using methods such-as but not limited to; chroot/jail environments, hardened kernel patches, and role-based access policies. I am an expert at tracking down even the most difficult of problems and most of my clients believe that I have a crystal ball under my desk. I am fluent in Python and PHP and can write everything from small scripts to automate tasks to a full blown command line application.

    $50.00 /hr
    32 hours
    5.00
  6. Wallace Ferreira

    Wallace Ferreira

    Software Analyst/Developer

    Brazil - Last active: 2 days ago - Tests: 10 - Portfolio: 2

    Hello, my name is Wallace. I've been working with software development for over 9 years. I acquired a lot of experience developing applications using Visual Basic, C/C++, PHP and Java. My expertise is analyzing and developing Desktop and Web Applications such as: + Crawlers/Web Crawlers - Collecting and storing data from sites, documents, videos, photos, social media sites, classified ads sites, etc. + Web Data Scrappers - Extracting, parsing, filtering and storing relevant data from web pages to readable and manageable formats like Excel, CSV, HTML, etc. + Bots and Automation scripts - Extracting and making business decisions out of data from documents like PDFs, Excel, CSV, XML, TXT, etc. - Sending email reports automatically - Auto filling forms - Price comparison apps - Event notifiers + Data conversion/transformation - Transforming/Converting data between formats for import/export in different applications. - Feed generation - Report construction + API development/integration - Adding support for third parts services - Creating interfaces for communication between systems. I have developed dozens of applications for a wide range of application domains including: - E-Commerce sites (like Amazon.com, Walmart.com, ToysRus.com, etc) - Financial market - Market research groups - Medical related groups - Shipping companies - And several other personal applications. Some formats I have expertise in are: - JSON - XML - SQL - CSV - PDF - TXT - HTML - XSL - XSLX - And others Acting as an analyst and developer, I gained experience with modeling relational databases and SQL, with a focus on MySQL DBMS. Since 2009, I have been working for a company that develops software for the financial market - EconoInfo (http://www.econoinfo.com.br). In 2012, I graduated in Computer Science at the Pontifical Catholic University of Minas Gerais - PUC Minas. Over the past four years, I specialized in Java development, especially Java EE 6.0, focusing on technologies EJB, JPA, JSF, JMS and JCR. Acting as an analyst and developer, I gained experience with modeling relational databases and SQL, with a focus on MySQL DBMS. As a developer in charge of creating the EconoInfo website's interface, I also specialized in Servlets, HTML, JavaScript and CSS.

    $27.78 /hr
    999 hours
    4.95
  7. Pradipsinh Vadher

    Pradipsinh Vadher

    Web & Software Developer. Hardcore Coder. Full-time Freelancer.

    India - Last active: 6 days ago - Tests: 3 - Portfolio: 13

    I write the code which is easily readable, modern, clean and well-commented. Optimized for better performance, security and memory management. As of April 2013, I have total 3.4 years of experience as PHP Developer in Facing Solution in Jamnagar, IN. During this time I worked on several websites using PHP & CodeIgniter. I also made Android & J2ME apps for websites. I specialize in several programming languages. I have developed hundreds of desktop applications using C-Win32, VB and C#, firefox extensions+scripts using JavaScript and mobile applications+mods using J2ME. What I offer: • Web Development using PHP, CodeIgniter, JavaScript, jQuery, HTML5, CSS3, JSP, Servlets. • Web Scrapping from any site to MySQL, Excel, XML. Highly accurate and fast bot run on top of browser for data extraction. • Firefox, Chrome, Opera and Internet Explorer userscript extension/addon development using JavaScript. • Firefox extension/addon development using XUL. • Windows Software Development using C#, Visual Basic (6, .NET), C++ (Win32), C • Cross-platform Software Development with Java, Mono.NET. • Linux Software Development with Gambas2. • Mobile Application Development using Android, J2ME.

    $29.99 /hr
    1,028 hours
    5.00
  8. Alexander I.

    Alexander I.

    C++/C# Developer

    Ukraine - Last active: 3 days ago - Portfolio: 4

    Software developer with 6 years experience and excellent feedbacks. Skills: C# (3 years), WinForms, Linq, ADO.Net; C++ (3 years), VCL, STL, WinAPI, Winsock; SQL, VB, HTML, Java Script, AutoIt, Autohotkey. When working with me: • I track only actual working time, so you'll not see screenshots unrelated to the job, but full working day is considered 3 hours (charged accordingly 3*16$, not 8*16$). • I provide 1 week trial with full refund, in case client is not satisfied. But this is also a trial for me. • I accept only hourly projects. The project itself can be fixed-price (so that the client is not charged automatically), but with hourly approch to the payment. • I don't accept urgent jobs. Additional notes: Curretnly available for 10 hours per week.

    $16.00 /hr
    933 hours
    4.97
  9. Kostia B.

    Kostia B.

    Python developer

    Ukraine - Last active: 1 month ago - Tests: 4

    Over the last 5 years I've studied Computer Science at Kyiv National Taras Shevchenko University. During this time I took part in a final and a semifinal of All-Ukrainian Student ACM Olympiad, two finals of All-Ukrainian Programming Contest (one of them I won). Worked as an outsourcer for one German company for one year. My obligations were to develop XQuery/XPath scripts for a big framework, based on Web-Harvest. Also I have prepared a number of presentations for talks on scientific and introductory Python.

    $22.22 /hr
    3,312 hours
    5.00
  10. Diana Elena Trifan

    Diana Elena Trifan

    QA Manager, QA Engineer

    Romania - Last active: 1 month ago - Tests: 1 - Portfolio: 4

    Over the last 7 years, I tested a wide range of web applications using tools like SOAP UI, Putty, Core FTP, Jira/Bugzilla. I also tested Android and iOS applications. In my experience I performed different types of testing like: smoke, regression, integration, acceptance. I'm also managing a small QA team and I'm coordinating the QA process using Agile methodology

    $20.00 /hr
    2,330 hours
    4.85