Top Upwork Freelancers

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  1. Mariusz Plucinski

    Mariusz Plucinski

    C++/Java/Python programmer

    Poland - Last active: 10/25/2014 - Tests: 7

    I am enthusiast programmer, focused on innovation. Being interested in wide area of IT-related jobs, including development of desktop applications, mobile applications, distributed systems and embedded systems. I have 4 years of experience in C/C++ programming. 3 years of experience in Python programming, 2 year experience in JavaSE and Android programming. Good knowledge of Linux, Android and OS X operating systems. Knowledge of many databases (MySQL, SQLite, PostgreSQL, Redis), various network protocols (HTTP, OpenID, OAuth, KNX, DNS, SAML), control version systems (Git, Subversion, Mercurial). I consider testing (both automatic and manual) as very important part of software development.

    $20.00 /hr
    868 hours
    4.88
  2. Roman S.

    Roman S.

    Java/Android Software Engineer

    Ukraine - Last active: 07/01/2014 - Tests: 3

    Over the last 5 years I've developed a wide range of Android apps. Currently participates in the development of applications for the Android and BlackBerry mobile platforms. Successfully participated in the design and development of many small-sized, medium and large projects. Apart from development, was also responsible for project management, in particular these were healthcare, entertainment, and educational development projects.

    $20.00 /hr
    170 hours
    5.00
  3. Bigyan Shrestha

    Bigyan Shrestha

    Software Engineer

    Nepal - Last active: 2 months ago - Tests: 4 - Portfolio: 2

    I have 2+ years experience in software development as a Software Engineer. * Languages: Java, PHP, Common LISP, C/C++, python * OS: Linux (Redhat, Debian), Windows * Databases: MySQL,Oracle, MsSQL, SQLite, Berkeley DB * Miscellaneous: # HTTP, SOAP, Web services # JBoss, Apache Tomcat, Slide (WebDAV) # Ant, Maven, Bamboo, SVN, CVS, GIT ** Specialties: Research, design, development, and testing of enterprise and desktop applications. Release engineering and tools development more info: http://np.linkedin.com/in/bigee

    $44.44 /hr
    13 hours
    4.94
  4. Artem T.

    Artem T.

    Expert Web developer

    Ukraine - Last active: 5 months ago - Tests: 10 - Portfolio: 7

    Hi, I'm Artem, a freelancer from Ukraine (UTC +2) In my portfolio, there are a few projects that I've developed. I believe that my strong points are my Creativeness and Punctuality. Over the last 7 years, I have developed many interested projects using html5, css3, php, mysql, javascript, jquery, etc. While working on a new project, I like to chat with the client, so that I can have a clear understanding of his/her needs and vision of the project. I'm honest and fair. I also have some experience in the following areas: SEO optimization, product management and QA management Thank you in advance for your time and consideration. I look forward to working with you soon.

    $13.33 /hr
    53 hours
    5.00
  5. Stefano Fratini

    Stefano Fratini

    Software Engineer / Java / PHP / Cloud / NoSQL / Cryptography

    Australia - Last active: 11/18/2013 - Tests: 6 - Portfolio: 8

    I'm a software engineer based in Sydney I'm always after the simplest solution that deliver value to the business Areas of expertise - Web development (Java & Php) - Cloud computing (paas and saas) Google/AWS - API development - Security and Network Security - Mobile applications development (Android) with scalable Cloud Backends - NoSQL solutions - Mentoring and team management - Binary protocols (Hessian / Apache Thrift) Skills Programming languages: Php / Java Core / JEE / Android /Struts / Guice / Spring / Spring MVC, Hibernate / Google Application Engine / C/C++ Databases: MySql / MongoDB / Google Bigtable / Bigdata / CouchDB Interests: Cryptography / Secure API development Platforms: Windows / Linux (Ubuntu) / Linux ARM

    $55.56 /hr
    1,288 hours
    4.86
  6. Filips Kostins

    Filips Kostins

    Expert Flash / Flex / AIR developer, 12 years of experience

    Austria - Last active: 09/23/2014 - Tests: 1

    I am an expert Flash / Flex developer with over 12 years of experience in Actionscript programming. Over the past years, i have worked for several corporate clients in the print, media, gaming, sports betting and financial industries as contractor and freelancer. Extensive experience with complex data driven Flex / Flash applications and game programming as well as custom components. It's important for me to deliver great code of high quality and make sure it is easily maintainable and extendable in the future. On the other hand, i have an eye for the graphical details and also want to deliver a great looking project that i can be proud of. If you need someone who can provide great quality within a short time and who can keep the agreed deadlines, I would be glad to help. My strengths are: - Actionscript 3 and 2 programming (over 12 years of experience so I can do pretty much everything possible with it) - Programming with adobe Flex including data integration, custom components, skinning etc (5 years of experience) - Custom components in Flash and custom UIComponents in Flex - Strong understanding of OOP, MVC models, design patterns etc - Dynamic data integration - SOAP, RTMP, Sockets, XML, JSON etc - Lots of experience with streaming media - Video on demand, Live streaming, OSMF - Experience with 3D libraries such as Away3D and Papervision 3D - Creating multilanguage applications with easy to maintain translation files - UI designs with strong understanding of user experience - Knowledge of PHP, MySQL, HTML, XML, CSS, JSON, JavaScript, Photoshop - Good eye for design, user interfaces, code optimization and performance What i can do for you: - Programming in Actionscript 3.0 / 2.0, Flex and AIR (both desktop and mobile) - Port your Flash / Flex application for iOS and Android - Change or extend your existing application to your needs - Debug and fix your existing application - Consult you to choose the right technologies and approach. I fluently speak english, german and russian. The hourly rate is negotiable for larger projects or can be discussed on a per project rate for smaller ones.

    $90.00 /hr
    841 hours
    5.00
  7. Suranga Herath

    Suranga Herath Agency Contractor

    Java / PHP / Android Developer

    Sri Lanka - Last active: 15 days ago - Tests: 3 - Portfolio: 2

    IT professional with over 9 years of experience in software design and development for leading software companies across diverse industries. - Expert in Software design and development. Proven ability to deliver software on time by means of production quality standard. - Java follower, Sun Certified Java Programmer and a key resource for an organization, always become as a technical asset. Key Strength Scalable Software design and development Excellent knowledge of Java technologies Performance tuning Effective code review Ability to take architectural decisions Ability to choose suitable technologies Approach to possible best technical solution Excellent Leadership skills Excellent trouble shooting skills

    Associated with: senich

    $15.00 /hr
    0 hours
    5.00
  8. Srinivasarao P.

    Srinivasarao P. Agency Contractor

    8+ Years-Asp.Net, MVC3/4/5,C#,AngularJS,Web API,EF6,WPF,WCF,Bootstrap

    India - Last active: 2 days ago - Tests: 8 - Portfolio: 3

    **TOP RATED FREELANCER BADGE WITH 100% JOB SUCCESS** Having Over 8+ years of experience in developing wide range of software applications in different domains such as ERP, Real Estate, Retail, Telecom and Insurance using MVC 3/4, Asp.Net3.5/4.0, C#, Entity Framework5/6, Twitter-Boostrap 3.2 including sites for start-up companies and small businesses . Technical Expertise : MVC 3/4, Asp.Net3.5/4.0, C#, Entity Framework5/6, WCF, WPF (MVVM), WebAPI 2.0, AngularJS, KnockoutJS, JQuery, TwitterBoostrap 3.2 ,CSS3, HTML5, SQL Server 2005/2008 Other areas of expertise are : Log4Net, Enterprise Library, Castle Frame Work,Unity Framework, CSS3 and HTML5 for developing rich and high responsive web applications. External APIs Integration : Google Charts , Social Networks , SignalR for Live Chat, Twilio API for text Messaging, SendGrid for Mail Communication. I have involved in different phases of a typical software life cycle right from Requirement Analysis,Designing, Development to Application maintenance. Having excellent knowledge of application design using different Architectural Design Patterns and Database design from scratch. Having good experience in developing the application for better code reuse, legible , maintainable and well tested solutions with highly cohesive modules with minimal coupling. Having experience in designing Relational Database and writing optimized Stores Procs, triggers & functions and ability to tune long running database queries and creating the indexes. I am here to fulfill your business need through my expertise and serving you in a best and cost effective manner. My motto is 100% customer satisfaction. Thanks.

    Associated with: Developers Organism

    $15.00 /hr
    0 hours
    5.00
  9. Nigam Vakharia

    Nigam Vakharia Agency Contractor

    Java 4+ Yrs of Exp, iOS & Android 2+ Yrs of Exp

    India - Last active: 22 days ago - Tests: 6 - Portfolio: 6

    I have strong knowledge in the following areas: Android SDK/Java, iOS, JavaScript, AJAX, JSON, PHP, J2EE, Postgraysql, Oracle  and MySQL. Based on my knowledge I am creating WEB oriented client-server solutions for mobile platforms. The quality of my work is confirmed by my clients. Well understanding of other mobile platforms (iOS, Naive knowledge of Blackberry) and experience with data-driven web development has been great asset in successful mobile app development Before starting Android development I had been involved in Networking and HRMS domain based product development for about 4+ years and i also work with PHP. What I can ensure to you: - produce high quality product in timely manner - meet your deadline always, - responsible for bug fixes or future updates - always available to contact you via Skype anytime

    Associated with: eTechMavens

    $16.67 /hr
    0 hours
    5.00