Top Upwork Freelancers

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  1. Uladzislau L.

    Uladzislau L. Agency Contractor

    Stone labs - Java, RoR, PHP, Golang development, Android, iOS

    Lithuania - Last active: 1 day ago - Tests: 7 - Portfolio: 39

    I work at Stone Labs as a Sales manager, representing company's web and mobile development services, which include RoR, Java, PhP - based web-programming and iOS/ Android full-scope development. Also, we're exploring Golang at the moment. I'm interested in finding the projects that comply with our core competences which are Social networks, Web portals, Enterprise web-solutions and Mobile solutions for various business spheres as Retail, Real estate, Mass media, Tourism etc. I can boast good English communication skills, both oral and written. Also I have some command of Spanish.

    Associated with: Stone Labs Agency

    $38.00 /hr
    1,497 hours
    5.00
  2. Andrey Chorniy

    Andrey Chorniy Agency Contractor

    Senior Java (JEE and Android) Developer

    Ukraine - Last active: 9 days ago - Tests: 3 - Portfolio: 7

    During my 11 years experience I've worked with a lot of java technologies and frameworks, performed a lot of refactorings and system re-deisgns and application performance tuning. My latest experience include application development for Android platform and web-applications with Java/Jboss-Seam/JSF/Hibernate/Spring. System integration with CMS systems like Alfresco, Artesia (OpenText) I have strong background in application performance tuning. Follow the best OOP principles and Design-Patterns. I also have an experience in developing information retrieval systems, datamining, textmining, evolutionary/genetic algorithms. I'm looking for challenging Java/JEE/Android projects.

    Groups: Android, Sun Certified Professionals

    Associated with: Texus

    $30.00 /hr
    2,826 hours
    4.83
  3. Elena K.

    Elena K. Agency Contractor

    Graphic designer, Illustrator

    Russia - Last active: 3 days ago - Tests: 1 - Portfolio: 7

    I’m a Graphic designer and an illustrator since 2003. I have extensive experience in the development of Identity for different companies. Also I make website creation. I am looking for the opportunity to create illustrations for various projects. I also take care of the development of Identity & website for your company. You can see my portfolio: on behance http://www.behance.net/zhishi/frame on flickr http://www.flickr.com/photos/zhishi/ on my website http://zhishi.ru/portfolio/

    Associated with: zhishi

    $30.00 /hr
    464 hours
    4.96
  4. Konstantin S.

    Konstantin S. Agency Contractor

    bug free software development, fine art and illustration

    United States - Last active: 3 days ago - Tests: 7 - Portfolio: 5

    I am a software design engineer with extensive experience in design and implementation of desktop and web applications. During my career I have worked with many different technologies, both proprietary and open source. Most importantly, I know how to write code that has a solid theoretical foundation. If your project requires high quality, "bullet-proof" code, I can help you. I am also a fine artist and I would be very much interested to get involved in to an illustration project or a computer animation project, in particular, HTML5 canvas animation. If you would like to hire me for a fixed-price job, please make the job hourly and set the job's limit on hours to be equivalent to the value of your fixed price.

    Associated with: k design

    $66.67 /hr
    2,368 hours
    4.99
  5. Leon Levstik

    Leon Levstik Agency Contractor

    Furniture and industrial designer and engineer, 20+ y. of experience

    Slovenia - Last active: 1 day ago - Tests: 2 - Portfolio: 5

    I am well experienced interior, furniture and industrial designer with 20 years of experience in designing, engineering and drafting furniture and 8+ years of experience in industrial designing. To have DESIGNING and ENGINEERING skills and knowledge in ONE PERSON is very rare. I use latest software (SolidWorks, Rhino, T-splines, COMSOL, Autocad) to design, draft and calculate if necessary my designs.

    Associated with: Sansio Agency

    $33.33 /hr
    54 hours
    5.00
  6. Alexey Rodin

    Alexey Rodin Agency Contractor

    Web developer - Symfony(laravel)/Node.js, Backbone/Angular

    Russia - Last active: 1 month ago - Tests: 16 - Portfolio: 5

    My specialization - Symfony 2/ laravel 4/Node.js, Backbone/Angular development. If you work with me, you will be sure in code quality, and scalability of project for hi-load traffic, and your project will make a real profit for you. My portfolio 3000+ hours with 5.0 feedbacks only proofs it. I did from scratch the start-up http://mobaff.com - SAAS tracker project, with traffic over 30 millions per month, that has been sold for $ 6 millions to Matomy. Proof: http://www.globes.co.il/en/article-1000860936 http://www.crunchbase.com/organization/matomy-media-group I like to use CoffeeScript in any JS. I am good familiar with Сassandra, MongoDB. As hosting I usually use Amazon Web Services.

    Associated with: Umbrella Enterprise

    $50.00 /hr
    3,244 hours
    5.00
  7. John H.

    John H. Agency Contractor

    Concept Development Expert, let me bring your ideas to life

    Australia - Last active: 3 days ago - Tests: 7 - Portfolio: 6

    Most of my 30 year career has been spent in heavy industry with some forays into industrial design and light industry. Much of the work has entailed the detailed design of mechanical equipment and structures with some sheet metal and plastics included. I have operated in a 3D environment with Inventor and Solidworks software for the past 15 years including some FEA analysis. My main strengths are in ideation and concept development for which I have a gift having invented a number of unique devices. I am the go-to person if you have an idea that you want to bring to market in a hurry.

    Associated with: Zzee Ds MechanicZ

    $35.00 /hr
    135 hours
    5.00
  8. Usama Riaz

    Usama Riaz Agency Contractor

    Expert Android Developer

    United States - Last active: 23 hours ago - Tests: 8 - Portfolio: 11

    I am driven, ambitious, and intensely interested in what I do. I taught myself how to program five years ago and have since become an expert in numerous programming languages and technologies such as Java, C++, PHP, Objective-C, and MySQL. My programming expertise paved the way for me to start a software development company called Minibit Technologies, where I have had the pleasure of working with clients from around the world on numerous interesting and challenging projects such as Twitter-like social media sharing apps, real-time multiplayer games, and ultrasonic communications systems. I don't want to bore you with a comprehensive list of my skills, so I'll just list a few of the more notable ones: Languages: Java, C++, PHP, Objective-C, Javascript, Octave Platforms: Android, iOS, Web Game Development: Libgdx, Box2d, Native Android Miscellaneous: Machine Learning, Git, Parse Talk is cheap, though. Please take a look at my portfolio projects, my oDesk test scores, and my review ratings for a more thorough assessment of my abilities. You will quickly find that I do not merely develop software - I develop highly maintainable, elegant code that will save you enormous sums in the long run. In short, if you need an app, website, or other software developed, look no further. My coding skills are incredible, my work ethic unparalleled.

    Associated with: Minibit Technologies

    $70.00 /hr
    428 hours
    5.00
  9. Hasham Malik

    Hasham Malik Agency Contractor

    Most Experienced Ruby on Rails Developer on odesk

    Pakistan - Last active: 15 days ago - Tests: 5 - Portfolio: 6

    With over the decade of experience in developing and maintaining successful web applications, I have developed deep expertise in delivering and maintaining high quality well tested code written in cutting edge web technologies. I have been writing Ruby on Rails applications since 2005 as a core technology. I like to write applications with comprehensive test coverage and using TDD/BDD. I also specialize in high availability deployments on various cloud platforms. I can communicate well in English and would love to report progress frequently. I have expertise in these technologies: Languages: Ruby, Python, Javascript Frontend: Haml, Jquery, AngularJS, Knockoutjs, Sass Frameworks: Ruby on Rails, Sinatra, Flask, PhoneGap Persistence: MySQL, Postgresql and MongoDB Testing: Rspec, Cucumber & Jasmine Deployment: Capistrano, AWS, GAE

    Associated with: Zen of Ruby, Ballista Labs

    $30.00 /hr
    160 hours
    5.00
  10. Vladimir Myskov

    Vladimir Myskov Agency Contractor

    Web Developer - Ruby, Python, Javascript, Phonegap

    Ukraine - Last active: 23 hours ago - Tests: 10 - Portfolio: 3

    I'm a Ruby on Rails developer, with a good experience in Python (Django/Tornado/Scrappy) and PHP (Typo3, Drupal, CodeIgniter) as well. Basically, I prefer Ruby and Python for back end development now. Besides, I was a front end LD in the past, in a team dealing with eDetailing solutions development for mobile devices (mostly for iPad) based on web technologies, specifically html5/css3. I've got a good experience in building javascript-based application and their optimization for mobile devices that way. We were using the raw javascript (no frameworks) to be flexible enough, but in the mean time I've got the Backbone, Knockout, SenchaTouch and jQuery experience. Here's my technologies/frameworks/libraries skills summary: Javascript: Ajax, WebSockets, SVG, RaphaelJS, Touch devices. Php: Typo3, Drupal, CodeIgniter Python: PyQt4, NumPy Ruby: Rails SCM: git, svn

    Associated with: CodeArt

    $33.00 /hr
    1,044 hours
    4.96