Top Upwork Freelancers

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  1. Kimani W.

    Kimani W.

    Expert Web developer with great backend and frontend skills

    Jamaica - Last active: 4 days ago - Tests: 4 - Portfolio: 3

    I am an expert developer with over 4 years professional web development experience. I have a deep interest in designing polished, secure, efficient, and user friendly web applications. I am knowledgeable about the different layers of the web stack, best practices, and current technologies such as HTML5, Ajax, REST, and NoSQL.

    $33.33 /hr
    1,088 hours
    4.99
  2. Khurram Nazir

    Khurram Nazir

    9+ years of experience in .NET, ASP.NET, SQL Server, Sharepoint, MIS

    Pakistan - Last active: 1 month ago - Tests: 1

    My foundation is as a developer, in multiple languages on MS Technologies. I am currently working with Asian Development Bank. If the situation requires getting code done, I deliver high quality, clean, working code, quickly and correctly. I'm comfortable with structured code, databases, OO programming, and "specialty" languages such as might be found in workflow or business rules systems. I have every confidence that to the extent the position requires actual coding, I can sling code with the best. During my last 9 years of development, I have worked on 50+ products/projects which includes Sharepoint based projects, ClickOVA, JourneyED B2B Portal, ERP Solutions, Static/Dynamic Web sites; using the most advance tools which includes MS Sharepoint Server 2007/2003, MS Sharepoint Designer, VS.NET 2008/2005/2003, SQL Server 2008/2000, ASP.NET e.t.c.

    $11.11 /hr
    1,086 hours
    4.11
  3. Andriy M.

    Andriy M.

    Web Developer / Programmer / Wikipedia expert

    Ukraine - Last active: 4 days ago - Portfolio: 8

    I'm a programmer and Wikipedia expert. I create websites and develop software with Python/PHP/C. In love with sophisticated algorithms and problem solving. I have a degree in computer science (with emphasis on applied math), and I successfully completed one year of masters program in economics. I edit Wikipedia in my spare time as a long-standing hobby (10+ years), but I do paid consulting and article writing as well. Will be glad to help with your issues on this! Graphic design tasks can be done by my good friend. And he is great!

    $15.00 /hr
    1,039 hours
    4.94
  4. Piotr C.

    Piotr C.

    Experienced web developer (Python, Postgres, Unix)

    Poland - Last active: 3 days ago - Tests: 5

    Experienced web developer and unix administrator. My best skills include: * good team communication and project management * agile web development using Python and relational databases * deep knlowledge of web applications security * freeride snowboarding ;-) * RESTful and SOAP webservices * unix systems administration (FreeBSD and GNU/Linux) * profiling and optimization of applications

    $35.00 /hr
    1,870 hours
    5.00
  5. Rostyslav Stepanyak

    Rostyslav Stepanyak

    mac / iOs, android software developer

    Ukraine - Last active: 20 hours ago - Tests: 3

    I've got 4 years experience in iOS development and 2 years in android. Over the last 3 years I've been working on retail, business and utility apps. My key responsibility is to manage the development process, design iOS app architecture, networking engines and data access layer, implement unit tests, handle the submission process. I used to be involved into cross-platform projects: Xamarin, phonegap, Appcelerator. Full list of iOS android technologies I'm dealing with: iOS: Core Data: modelling, testing, designing Data Access Layer Concurrency: (NSOperations, GCD, NSThread, Background fetch) Networking frameworks(NSURLSession, AFNetworking, MKNetworkKit, RestKit) Core Video: video filters, https livestreaming. iOs8 extensions: Keyboards Core Audio, Core Graphics. WatchKit Photos Framework Social sharing frameworks: Facebook, Twitter, Linkedin, Instagram, Flickr Webkit : javascript to native bridges Analytics and crash reporting: Google analytics, Crashlytics, Flurry, Mixpanel), MapKit ChatKit libSVG, vector graphics frameworks iAd, PDF Kit, UI kit, autolayouts, Quartz family frameworks, xCode profiling tools, external profiling tools. Asynchronous unit tests (xCode 6) Android: Google+ API Calendar API Google Maps API v2 Google Drive API Gmail API Contacts API

    $20.00 /hr
    2,229 hours
    5.00
  6. Farkas Imre

    Farkas Imre

    HTML,HTML5,CSS,CSS3,jQuery,Responsive,Bootstrap

    Romania - Last active: 20 hours ago - Portfolio: 8

    I'm a freelancer front-end developer with 7 years working experience in categories :HTML+CSS, JQuery, HTML5+CSS3, Twitter Bootstrap v2, Twitter Bootstrap v3, Mailchimp templates,Email templates, Responsive Email templates Responsive front-end developer. PSD to HTML5/CSS3 PSD to Bootstrap v2/v3 PSD, PNG, Ai Conversions -Top quality hand-coded webpages - W3C Valid coding - Clean code structure - SEO friendly code, well commented - Cross-browser compatibility - Optimized images/CSS/XHTML, CSS3,HTML5 code - Pixel-perfect design conversion - Fixed width or responsive layout Along with completing the project on time, I provide ongoing support and i'm always available to answer question and make quick adjustments.

    $30.00 /hr
    1,597 hours
    4.94
  7. Matthew Davids

    Matthew Davids

    Software Architect

    United States - Last active: 20 hours ago - Tests: 3

    Currently doing a few different things. Among them: - Cloudformation and infrastructure design on AWS: - Autoscaling, S3, couchbase, node applications, Chef - Javascript Single Page Application design: - React.js, gulp, semantic-ui - Fluid Dynamics/Modelling in Processing: - Side project, not professional. Navier-Stokes, numerical methods, computer graphics, etc. I previously developed provisioning and deployment solutions for a client's in-house automated testing infrastructure. The majority of this was done in Ruby, with some variations dictated by DSLs in Chef and Vagrant, as well as a number of scripting languages, as required. I've also managed a team of 3-5 software engineers working on provisioning automation/DevOps projects. Current Frameworks and JS tools: React.js, backbone.js, gulp.js, bower, browserify, node, etc... More to come shortly. Current Languages: JavaScript, Ruby, Chef, Batch, BASH, Powershell, XML, JSON, AutoIT Current Tools: Chef, Amazon Web Services, Vagrant, Ant, InstallAnywhere, Install4j Current Operating Systems (configuration, software deployment, etc): Windows Server (2003 - 2012) SLES 11 RedHat 6.4 CentOS 6.4 Ubuntu 12.04/14.04 Amazon Linux Past Languages: Processing, C++, Java, OpenGL, Octave, MATLAB, Mathematica, SQL, C, C#, LUA, R, and Python Other: Verilog, VHDL, Oculus Rift, Razer Hydra

    $60.00 /hr
    1,972 hours
    5.00
  8. Udana Udayanga

    Udana Udayanga

    Codeigniter / Zend | Joomla / WordPress |OpenCart/Magento| Amazon/eBay

    Sri Lanka - Last active: 23 days ago - Tests: 6 - Portfolio: 16

    I am in this field for more than Five years. I prefer using my qualities to be reflected through the work I do. I thoroughly enjoy what I do, especially observing the results alongside my clients. If you may like to work together, please get in touch. And don't worry; if I don't think I can do your job well, I won't take it .Expect high quality and low price from me. If I work well I will grow, thats the bottom line.

    Groups: CubeCart, Sun Certified Professionals

    $15.00 /hr
    1,503 hours
    4.27
  9. Vladimir Rybas

    Vladimir Rybas

    Expert Ruby on Rails Developer, Team Lead, PM

    Thailand - Last active: 9 days ago - Tests: 3

    70% of all software projects fail. Why is that happening? A few reasons: - Poor communication - Poor communication - Poor communication - Badly defined requirements - Wrong project's priorities - Sloppy development practices How do I address these issues: *Communication & Requirements clarification* - Monday to Friday daily status meetings at fixed time, suitable for all team members(customer is a team member). - Weekly iteration planning meetings. - Transparent and easy-to-use Project Management tools. *Project prioritization* - Complexity estimation - Short iterations & short feedback loop *Development practices* - Perfectly clean code - Test Driven Development (99% test coverage). - Obligatory code review & collective code ownership. - Domain Driven Design, Lean Architecture, GRASP, SOLID If this sounds good for you, let's get this done. LinkedIn: http://www.linkedin.com/pub/vladimir-rybas/13/901/1a9 Github: https://github.com/vrybas Tech Blog: http://vrybas.github.io/

    $100.00 /hr
    5,926 hours
    4.30
  10. Omar T.

    Omar T.

    PHP / Zend framework / CodeIgniter / AJAX / AngularJs / HTML5 / CSS

    Algeria - Last active: 1 month ago - Tests: 5 - Portfolio: 4

    Full time freelance PHP Full Stack Developer with strong knowledge of front-end technologies HTML5,AngularJs, CSS, AJAX and Flex. I'm also familiar with Adobe's design software Fireworks, Photoshop. I provide quality code in record time for you and your business. I want to work on challenging projects that utilizes the latest technologies.

    $33.33 /hr
    1,807 hours
    4.98