Top Upwork Freelancers

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  1. 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
  2. Bhavik Mehta

    Bhavik Mehta

    Android Application Developer

    India - Tests: 4 - Portfolio: 8

    I am an Android App Developer having 2 years of experience in developing wide range of Apps with various genres I simply follow AGILE and SCRUM as an App Development Strategy. Project Tracking through ASANA and TRELLO for a well-managed task scheduling and to give a better visual to client of what’s going on with the project. I also love debugging and resolving errors /issues in any kind of App Simple Work Strategy: -Skype conversation for requirement specification and understanding -Feasibility analysis -Cost & Time Estimation and Negotiation -Design / Mockups -Prototype implementation -Feedback and Updates -Final work submission Guaranteed 3 day Apk to deliver work progress as well as for feedbacks and improvements Here is a quick overview of my main skills --------------------------------------------------------------------------------------------------------------------- Frameworks - Android SDK --------------------------------------------------------------------------------------------------------------------- Software tools - Eclipse, Android Studio --------------------------------------------------------------------------------------------------------------------- Design - Complex & Pixel perfect UI implementation --------------------------------------------------------------------------------------------------------------------- Coding Strategy - Well optimized, clean, robust and well commented code with qualified naming conventions --------------------------------------------------------------------------------------------------------------------- Multi Language Support - Localization And Internationalization support --------------------------------------------------------------------------------------------------------------------- API /Web Service Integration - JSON And XML based API - REST & SOAP Based API --------------------------------------------------------------------------------------------------------------------- Third party library support - Google Map API - Google Place API - Google Plus API - Facebook API - Twitter API - PInterest API - Dropbox API --------------------------------------------------------------------------------------------------------------------- In App Payment Solutions - Google In App Purchase - Paypal Gateway Integration --------------------------------------------------------------------------------------------------------------------- Third party back-end support - Parse --------------------------------------------------------------------------------------------------------------------- Push Notification Support - GCM based push notification - Parse push notifications --------------------------------------------------------------------------------------------------------------------- Advertisement Support - ChartBoost - RevMob - AdMob - Vungle - NativeX (Including Offer-wall) - Tapjoy (Including Offer-wall) - Supersonic (including Offer-wall ) --------------------------------------------------------------------------------------------------------------------- Screen Size Support - Standard Screen size 3.7 Inch to 10 inch --------------------------------------------------------------------------------------------------------------------- Android Version Support - Android 2.3 to Android 5.1.2 (Stock OS only) --------------------------------------------------------------------------------------------------------------------- StackOverFlow : http://stackoverflow.com/users/4159043/bhavik-mehta?tab=profile 24x7 AVAILABILITY AND SUPPORT NO PAYMENTS UNTIL 100% JOB SATISFACTION

    $11.11 /hr
    3 hours
    4.99
  3. Pavel Gribov

    Pavel Gribov

    .net professional

    Russia - Tests: 5 - Portfolio: 4

    Hi, my name is Pavel Gribov. I'm fullstack developer and I've experience in IT since 2003. I live in Saint-Petersburg, Russia (UTC+3). You can find more information about me on my web site: http://gribov.pro/business/english-version In my portfolio you can find a few of the programs that I've developed. I believe my strong points are my Creativeness and Punctuality. My #1 goal will always be to meet your needs and deadline. When working on a new project, I like to communicate with the client, so that I can have a clear understanding of his/her needs and vision of the project. I'm honest and reliable. Listed below are my experience and skills: Experience in formation of both server-side (asp.net (MVC), PHP) and client-side (JavaScript, ActionScript) applications since 2003. Programming languages and technologies: • C# including .net 4.5 (asp.net (mvc), WCF, LINQ, ado.net, .net remoting, data crawling and parsing, Windows.Forms and WPF applications, multithreading, security including SSL Certificates ); • ActionScript; • JavaScript (the language itself + frameworks jQuery and AngularJs + vanilla ajax and json); • PHP; • SQL Styles and marking languages: • CSS + preprocessors (less and stylus); • HTML 5; • Microsoft XAML; • XML; • XSLT. Frontend technologies: • npm; • gulp; • jade; • Bower; • less; • stylus; • yandex.Bem; • jQuery; • AngularJs; Version control systems: • Git; • MS Team Foundation Server; • SVN; • MS Subversion. IDE: • MS Visual Studio; • Eclipse; • JetBrains PhpStorm. Bug/Issue trackers: • Jira; • MS Team Foundation Server; • Bugtracker .net; • Redmine. Database: • MS SQL Server (beginning from 2000); • MySql (beginning with 3.23); • SQL Lite (from the 3rd version). Unit tests: • NUnit; • MS unit. Experience in working with SQL Server includes shaping of inquiries in order to optimize the narrow parts, security configuration on the level of columns, administration over maintains plans and backups, including testing of efficient base restore in case of supernumerary situations. Seven-year experience in formation of distributed applications (DB + servers with client API + clients (thin and thick) on the platform .net. Interaction between program components is realized with WCF (both REST and SOAP). Experience in developing a system that administers users’ personal accounts. Money is deposited through electronic payment systems, check cards or by invoicing a bill to a legal person. Then users spend deposited money on services, provided by the system. All financial operations are realized transactional, taking into account ACID requirements. In the process of development, the set of requirement according to PCI DSS standard was considered. Experience in forming a team from scratch and administering it during a seven-year period. There were seven people in the team, some of them were in the staff (programmers, helpdesk) and others - freelancers (designers, imposers). Experience in administering employees of «adjacent» profile – journalists, promoting the project. Successful experience in negotiating with purveyors and counteragents in order to strike deals on the most advantageous for the company conditions (reduction of work cost, acceleration of deliveries, and work without prepayment). While working, I reach the goals in the most optimal way, changing the technological platform if necessary (for example, inserting AngularJs in addition to jQuery) with essential refactoring. I aim at manual labor minimizing, introducing autogenerating samples, macro project and similar elements. I value the relationships with colleagues and create a comfortable and productive working atmosphere.

    $35.00 /hr
    0 hours
    5.00
  4. 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
  5. Mladen Stevanovic

    Mladen Stevanovic

    Web developer

    Bosnia and Herzegovina - Tests: 3 - Portfolio: 5

    I have M. Sc degree in information Technology(Software engineering). I have passion for code writing. I was developing web games and web sites. In the last months i specialized Google maps api. I am looking forward to exciting tasks. I prefer using Javascript, HTML5, PHP, mySql and actionscript/Flash to make functional web sites, games and other products.

    $14.32 /hr
    10 hours
    5.00
  6. Anton V.

    Anton V. Agency Contractor

    ASP.NET,ASP.NET MVC,SilverLight,C#,VB.NET,MS SQL Senior developer

    Russia - Tests: 3

    I have 6+ years experience in developing desktop and web applications using ASP.NET C#, VB.NET, PHP. I use MS SQL Server 2000-2008, MySQL as a DBMS. Also I have strong skills in OOP, SQL, AJAX, JQuery. In my work I constantly use unit testing, test driven development, refactoring and agile methodologies. I always do my best, to feel proud for every application I develop.

    Groups: Application Developers Alliance, MailChimp Experts Group

    Associated with: RuNet

    $27.50 /hr
    11,826 hours
    4.88
  7. Artur Dudnik

    Artur Dudnik

    Senior Javascript/.Net Programmer

    Russia - Tests: 1 - Portfolio: 5

    All time (12+ years) I care about clients satisfaction. There is the reason why I have nice feedbacks. You can see it in my portfolio and linkedIn account https://ru.linkedin.com/in/adudnik I have nice stats: all of my clients had a stable solution and leave a positive feedback. about 30% return again when they have a new projects and a lot of them recommended me in his social network. Because I highly passionate and self-motivated person. I'm experienced javascript programmer (and not only) and my interests is professional way in software development in enterprise & web industry. Experience & Skills & Technology stack: * JS – Native, Node.JS, Angular, React, ExtJS, jQuery, Ember, Blackbone 12+ years * .Net C#, C++ (WCF, Entity Framework, SQL Server, Sync Framework, ADO.NET, DirectX, and etc.) 6+ years * SQL Server (T-SQL, Tuning) 10+ years * remote team management 6+ years * ASP.NET MVC from RC 5+ years * SVN, Git, CVS 10+ years * Business Intelligence (BI) OLAP 2 years * Dynamic Ax; CRM; SharePoint; AD 1 year https://github.com/Sigura?tab=repositories

    $166.67 /hr
    175 hours
    4.57
  8. Volodymyr S.

    Volodymyr S. Agency Contractor

    Senior front end developer (HTML, JavaScript(Angular, Ionic), Flex

    Ukraine - Tests: 2 - Portfolio: 3

    Over last 9 years I have been working in IT. Last 3 years I have been developing on JavaScript (angularjs, ionic, knockoutjs, backbonejs, jquery, jqueryUI, jquery mobile, google maps API etc) Before javascript I developed 6 years on Flex and ActionScript. I have been working on more than 10 projects (big teams) for big companies (from Great Britain, USA, Canada, Belgium) Small knowledge of Java, PHP, SQL. Have experience in SIP/Wowza/Red5/AMS/AMG

    Associated with: TSF Solutions Agency

    $27.78 /hr
    4,280 hours
    4.95
  9. Vitaliy Ivanov

    Vitaliy Ivanov Agency Contractor

    Mobile Applications Developer (iOS and Android)

    Ukraine - Tests: 2 - Portfolio: 12

    I have been developing apps for iOS since 2008 and for Android since 2010. I am passionate about what I do. I have a good knowledge of networks and web. Experienced in building games and applications that actively use network and social web integration. Familiar with OpenGL ES. In past I had experience with .NET platform, DirectX, Linux OS and Qt library.

    Associated with: Factorial Complexity

    $28.00 /hr
    260 hours
    4.93
  10. Ivan K.

    Ivan K. Agency Contractor

    Senior Coldfusion Developer, Dev Team Leader

    Russia - Tests: 4 - Portfolio: 16

    I have 13 years experience in software development. Coldfusion is my primary area of expertise. I am focused on web application development. Here is a list of my most recent and current work: 1. Developed Hackers trap subsystem. I came up with the algorithm to protect web applications from hackers. 2. Help reduce the cost of application maintenance. There are a lot of applications with bad code quality. It leads to a lot of defects while maintenance + clients over pay for adding new functionality. I rewrote a lot of applications with clear architecture, design and code reduce the cost of application maintenance. 3. Help improve web applications performance (page loading): code optimization, sql queries optimization, changing of settings in Coldfusion Administration and MS SQL, hardware upgrades. 4. Integrated eCommerce web applications with Amazom (AWS) to upload products to Amazon, receive orders and so on. Products like Gold Rings, Stones, Candles, Clothing. 5. Integrated eCommerce web apps with eBay to upload products to eBay, receive orders, etc. 6. Integrated eCommerce web apps with payment systems like Paypal (including credit cards via Paypal), Secure Trading, SagePay, Pay4Later 7. Developed mobile version of websites using Jquery Mobile or flexible version with Bootstrap. 8. Integrated schema.org into products page for eCommerce web apps 9. Resolved issues with indexing of pages and images on Google 10. Installed and configured Coldfusion 11/IIS 8 on Win 2012 by using Coldfusion 11 Lockdown guide (Secure Installation) My previous work experience includes working with Luxoft and Gehtsoft Companies. Developed and managed applications for Boeing and FXCM companies. - 4 years in project management (up to 25 specialists in my team: analysts, developers, architects, testers); - 6 years in developers team management (up to 15 specialists in team: developers and architects); - 6 years in code development. About 40 projects with content hours from 1000 to 10000 were successfully completed. I have an advanced knowledge in SDLC (Macroscope P+ methodology). Participated in preparing projects for CMMI auditing. I provide the following services: 1. Project schedule development 2. Risk management 3. Operative team management 4. Budget management 5. Requirements development 6. Architecture and design development 7. Code development 8. Test design development and testing 9. User guide development 10. Deployment documentation development

    Associated with: Handsoft

    $55.00 /hr
    8,917 hours
    5.00