Top Upwork Freelancers

Clear all filters
  1. Ledisi N.

    Ledisi N.

    Java Developer

    Nigeria - Last active: 4 days ago - Tests: 2 - Portfolio: 1

    I am an experienced Java developer. I look at problems and find best possible solutions to those problems. i love challenging projects and never give up on providing the best. I have the following skills sets: java, j2ee, springframework, Hibernate, maven, jenkins, playframework, grails e.t.c I have worked on several projects ranging from desktop to web, and mobile, webscrapers, file parsers e.t.c, here are a few of them: 1)PlanSimulator : A simulator that displays movement of people within a shopping mall. The essence of this application is to help provide insights on user behaviours withing a shopping mall, as well as help to 2)PaymentBot : This is a bot that was developed to automate the process of adding items to cart and making payments on the Ministry of corporate affairs site in india(http://mca.gov.in). The site made use of captcha for login. I was able to overcome this by using the deathbycaptcha service.

    $25.00 /hr
    0 hours
    5.00
  2. Sergiy Z.

    Sergiy Z.

    iOS 8 (iPhone/iPad), Xcode, Objective-C, UI/UX

    Ukraine - Last active: 9 days ago - Tests: 5

    Category: - Mobile Apps Skills: * Xcode, * Objective-C * iOS(iPhone/iPad) - development * Multi iOS versions support. * Converting to automatic reference counting * Converting to iOS 8.0 design * Fix memory leaks * Performance improvement Category: - Application Interface Design - Engineering & Technical Design Skills: * iOS(iPhone/iPad) UI/UX - user interface any difficulty. Architecture of user interface design. Category: - Scripts & Utilities: Skills: * bash-shell-scripting - for basic automatization of build process (copy resources), auto .plist modifications (bundle version, icon files, app protocols support etc.). * javascript - to improve user experience with UIWebView. Category: - Software Project Management Skills: * Full iTunes Connect Application creation process (https://itunesconnect.apple.com) * Full developer portal app settings process (https://developer.apple.com) * Experience with small projects * Provide detailed requirements to projects (client-server applications, standalone applications) Category: - Software QA Skills: * software design * coding * source code control * code reviewing (high requirements to code style) * testing * release management And more: Consulting, solve single problem during Your development procces.

    $30.00 /hr
    6 hours
    5.00
  3. Aleksandr Shushpanov

    Aleksandr Shushpanov

    Software Engineer

    Russia - Last active: 1 month ago - Tests: 2 - Portfolio: 1

    I have great experience in developing and maintaining multiplatform applications running both on Linux/Windows. I prefer to use C++ because it is a perfect language for a lot of tasks, it provides maximum flexibility and performance. However, I have necessary knowledge in scripting languages to use them efficiently and I am able to study any technology required for a particular task to be completed.

    $25.00 /hr
    0 hours
    5.00
  4. Alexis ravi kumar J.

    Alexis ravi kumar J.

    Excel VBA developer

    India - Last active: 16 days ago - Tests: 3 - Portfolio: 1

    I am a Excel VBA developer, have experience and expertise in following: - Macro creation - Report automation - Creating Excel add-ins - Dashboard creation and advance Excel formulas. - Data analyzing And I have very good experience in Word and PowerPoint. I assure you will get a quality result in a timely manner.

    $8.89 /hr
    0 hours
    5.00
  5. Petras Liumparas

    Petras Liumparas

    Expert of UNIX/LINUX shell scripting

    Lithuania - Last active: 1 month ago - Tests: 2

    I have more than 15 years experience as system administrator with AIX, Solaris, SCO unix, Linux I am good at shell scripting, live support. I am also able to write/fix scripts wtritten in ksh, bash, sh, awk, python, perl, php Databases which i am able to suport is mysql, sqlite and oracle Have a bit expirience with Oracle GRID, RAC and Dataguard. I am familiar with Veritas (Symantec) Netbackup, Veritas cluster, volume manager. I have written custom agents for veritas cluster. I am familiar with BigBrother monitoring system. More details about me you can find in LinkedIn Regards

    $10.00 /hr
    6 hours
    5.00
  6. Milos Ljumovic

    Milos Ljumovic

    Operating system specialist. C++ / C# / SQL expert

    Montenegro - Last active: 2 days ago - Tests: 5

    Over the last 7 years, I have developed a wide range of applications using C++, C#, SQL, which are used from government of Montenegro to University of Montenegro, as well as in Montenegro Telecom and many, many more. I also used HTML, JQuery and CSS while creating sites for startup companies and small businesses. My core competency lies in understanding development process in designing and building software due to serious applications that I have worked on, as well as long years of experience. I also run classes in C++, Compilers and Object Oriented programming techniques.

    $33.33 /hr
    0 hours
    5.00
  7. Pavel Gribov

    Pavel Gribov

    .net professional

    Russia - Last active: 9 days ago - 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). 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
  8. Katsuro Inoue

    Katsuro Inoue

    Top Mobile Developer

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

    Hello Welcome to visit my profile As the title indicate,I am a top mobile developer I have been developing program for 10+ years and I have full experience of program development Recently I have been developing mobile app & games I have developed many mobile apps & games for 4 years If you have any idea, I can make Best Product My main skills 1 IOS development (iPhone,iPad,object-c swift) 2 Android development(Android SDK,Java) 3 Backend and Web Service 4 Social SDK 5 Desktop development My best happy is to make client satisfaction I will always work hard and hope successful on oDesk Thanks Katsuro Inoue

    $50.00 /hr
    3 hours
    5.00
  9. Patrick F.

    Patrick F.

    iPhone / iPad / Game Development Rockstar

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

    I'm a regular jack of all trades. I've worked on games for PC/Mac, games for the web, games for consoles, and games for mobile devices. I have experience in senior and lead roles and a track record of successfully shipping products. I enjoy working on challenging problems and helping bring projects to life. Specialties: Game programming, performance analysis, optimization, SIMD programming, Unity3D, iOS & mobile LinkedIn: http://www.linkedin.com/in/patrickflanagan

    $85.00 /hr
    7 hours
    5.00
  10. Bhavik Mehta

    Bhavik Mehta

    Android Application Developer

    India - Last active: 4 days ago - 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