Top Upwork Freelancers

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  1. Munir A.

    Munir A.

    Windows, Mac OSx/iOS and Unix Developer

    Pakistan - Tests: 4 - Portfolio: 7

    I'm in love writing code since I discovered that I've passion for developing Software. I've passion for developing apps for desktop and mobile platforms. Since last more than 12 years, I've been in software industry, and have made some stuff successful which make me really proud of. Through working with more than 100 client on Up work, I've managed to increase my skill set to C++, Objective-C, Swift, JAVA, PERL. I didn't confine myself developing code for Desktops, but I also increased my knowledge to write apps for mobile platforms(iOS & Android). I love to talk about new ideas, and help people realise their idea in software industry. For last few year, I've great focus to improve code quality to help me deliver high quality product to my clients. I welcome you to have a look through my profile if you have new ideas, and looking for a reliable developer. I'm sure once you have done it, we will have a lot to talk about, and possibly work together as well.

    $45.00 /hr
    11,152 hours
    4.90
  2. Antonio J.

    Antonio J.

    Senior .NET Developer and Project Manager

    Portugal - Tests: 1 - Portfolio: 13

    I'm a seasoned Senior .NET Developer and Project Manager. I've been Developing Web Based Applications and Websites for the last 15 years, in both small and large companies. I'm proficient not only in several Development tools, but also in Database Design, Administration and Functional & Technical Analysis. In order to complement my technical skills I've also acquired Project Management skills, that help me plan, organize and control small and Large Development Projects. My Technical skills can deliver a job well done, I work on a daily basis in .NET, Jquery, BootStrap, Jquery, VB.NET, C#, Colfusion, SQL 2005/2008, Javascript, HTML, XML, XSL, XSLT, VB6, ASP and VB.NET. However I've also worked with PHP, MySql, Metatrader, VBScript, Access and several other technologies. The broad range of skills and technologies I've gathered in the past years, is the key to provide a very good work.

    $45.00 /hr
    1,866 hours
    5.00
  3. Kerwin Ang

    Kerwin Ang

    IOS Developer, Netsuite Consultant, C#.Net Consultant, SQL Consultant

    Philippines - Tests: 7 - Portfolio: 7

    6 Years in Software Development Over 3 years of Netsuite ERP, CRM, Website, Scripting Consulting. - Netsuite API (Server and Client), Webservices(PHP, JAVA, C#), Workflow - Reference Cart, Checkout Development, My Account, ShopFlow, customizations and development (from scratch and enhancements) - Netsuite Form Customizations, and others - Netsuite Implementation and Migration - Saved Searches - SEO Optimization - HTML Email template compatible for all mail servers - Website Template creation, SSP Applications. Javascript framework - backbone MVC, underscore, require, templates, common.js, bootstrap, jquery, JSON Over 2 and a half Years in C# development and support - WPF, Sharepoint, ASP.Net MVC 5 , Winforms Over 2 and a half Years of MS SQL development 1 Year in IOS development with 2 apps in the apps store Programming Skills - C#, C++, JAVA, SQL, TSQL, PLSQL, Javascript, JQuery, JSON, Lua, IOS3.5-7, PHP, CSS3, HTML5, Google API

    Groups: AspDotNetStorefront

    $42.00 /hr
    2,208 hours
    4.81
  4. Roman Chernyak

    Roman Chernyak

    Android/iOS Developer

    Russia - Tests: 4 - Portfolio: 2

    I specialize in Android and iOS app development. In addition my past projects also included working with complex UI with custom views and animations, web services and REST API's, Push notifications/Google Cloud Messaging, SQLite databases/Content providers, background services, synchronisation (Sync Adapters), and integration with social networks (Facebook, Twitter), billing and in-app purchases. I have experience in using GIT, different crash reporting and analysis tools like Crashlytics, Flurry, Crittercism. I have also successfully developed several mobile applications, among them Chess.com mobile app (as a team member) and Easy Call launcher app. My strong suit is experience in designing architecture of applications, choosing best suited technologies. I pay special attention to the code readability and expansibility. I like to produce good, bug-free code and software.

    $44.44 /hr
    1,909 hours
    5.00
  5. John B.

    John B.

    Microsoft Certified | Senior Developer | Team Leader

    Australia - Tests: 9 - Portfolio: 3

    Over the last 15 years I have continued to develop my career, skillset, knowledge and experience. The last couple of years, upwork has introduced me to a great number of great people and projects. Two of these projects will be briefly outlined below. The first was designing and implementing a 4 million hits / day infrastructure to handle advertising banners. This client had a business requirement to greatly extend the reach of the live infrastructure. This project was completed in PHP / MySQL and is currently hosted on a cloud platform. This project scales automatically as required to handle any variation in the daily load. The final project was a hospital scheduling task. This client worked for a hospital and had over 30 different scheduling rules for every time-slot. The client used to do this manually and it took hours every week. I came up with a VBA based solution that would automate this task. On completion, the task took about 20 seconds to execute and correctly assigned all time-slots to the correct hospital resources. I would like to continue to be exposed to new and different challenges, that will further develop my skills and career. I also really enjoy making new contacts on the upwork network. I look forward to the many varied opportunities and roles that upwork offers.

    $44.44 /hr
    2,592 hours
    4.92
  6. Robert C.

    Robert C.

    TIBCO Consultant & E-Commerce Architect

    United States - Tests: 2 - Portfolio: 2

    Good Day and thank you for taking a moment to read my profile! I started working in IT about four years ago as a technical support representative for Simple Helix, a Magento specialist web hosting company. From there, I had the opportunity to spend a year as a Network Analyst for a local, carrier class, ISP before moving on to a position as a Linux Systems Engineer with a Magento development firm. In the present, I work as an Applications Engineer with a focus on the TIBCO stack, most notably AMX, BusinessWorks, EMS, and SilverFabric. I have a very strong background in Linux/Unix administration and have worked extensively with CentOS, Red Hat, and Debian. I've worked with networks from a physical perspective, as a NOC Technican, as well as logical perspective troubleshooting complex application issues. Over the past few months I've taken the opportunity to learn to code in Java and I've recently attended Red Hat training for JBoss EAP 6. I'm a CPTE (Certified Penetration Testing Engineer) and would happily pursue projects as an E-Commerce Architect, Systems Engineer, TIBCO Engineer, JBoss Administrator, entry-level Programmer, or entry-level Ethical Hacker. I am available for new jobs immediately outside of US business hours.

    $33.33 /hr
    474 hours
    4.86
  7. Chalitha Wickramathilaka

    Chalitha Wickramathilaka

    Senior Backend Programmer / Tech Lead

    Sri Lanka - Tests: 2 - Portfolio: 15

    From almost 12 years I have been working with php based web applications. MVC, and Zend Framework 1/2 development environments. I have the same experience with java scripts /jQuery/extjs frameworks. I have more than 7 yrs experience on load balancing . Clustering , and replication over debian, centos and redhat systems. I use Oracle and mysql databases on most of my projects. As a code collaboration tool I am using Gforge with svn/git for my projects. also I have strong experience with iptv application such as tvguides, epg, music applications etc etc. I have been working on high loaded websites, application databases for my work. I have strong knowledge of optimizing web applications smooth run on a very high load. Also I have experience with hardware Visualization on VMware boxes. I have additional experience in ETL Jobs / Mysql clustering / Piranha / php heavy load balancing / caching nodes. Android / FB apps/ REDIS/VMware ESX configuration

    $33.33 /hr
    4,942 hours
    5.00
  8. Maya Milusheva

    Maya Milusheva

    Top 10 Mobile Game Developer

    Bulgaria - Tests: 3 - Portfolio: 13

    I aim to create addictive and high quality games. Several of the games that I developed for clients got featured by Apple and I am in top 10 in the "Game Programming Concepts Test". I have deep knowledge in the whole process of developing and releasing a game and I always strive to educate my clients in all steps of the game development process so that we make a great product. I have experience with game logic, engine development, graphics programming and tools. My primary languages are C/C++ and Objective-C and I'm proficient in various iOS game engines, DirectX and GPU programming. oDesk has recognized me as one of their top Mobile Developers. See the badge on the right of my profile for more information.

    $38.89 /hr
    73 hours
    5.00
  9. Dmitry Sheiko

    Dmitry Sheiko

    Android Developer

    Ukraine - Tests: 2 - Portfolio: 2

    If you would like high quality work with a fast turn around for a fair price, contact me. You won't be disappointed. I have an excellent reputation as a hard worker and talented programmer and would be happy to provide references upon request. My technical skills: - Operating Systems: Android OS (3 years), Windows, Linux; - Programming Languages: JAVA, C, C#, C++, JavaScript, PHP, HTML, SQL; - Knowledge: Networking - TCP/IP, Socket Programming,Data communications, Telematics.

    $33.00 /hr
    690 hours
    5.00