Top Upwork Freelancers

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  1. David L.

    David L.

    Senior J2SE/J2EE, Javascript developer, Dojo Expert, AngularJS.

    China - Last active: 10 hours ago - Tests: 3 - Portfolio: 2

    Over the last 8 years, I have developed a wide range of web applications using Java, J2EE, WebService, Applet, HTML, DHTML, Javascript and MySQL, MSSQL, Oracle . I am seeking opportunities to build websites from the ground up for you or your business. Technical Skills: - Java - Core Java, J2EE - JDBC, JTA, JMS, Java Servlet, JSP - Web Services, XFire - Struts, Hibernate - JavaScript - Dojo Toolkit - Extjs - jQuery - AngularJS I also have some experience in the following areas: DOJO, SQL, Ajax, OOP, and software design and testing.

    Groups: Crossrider

    $55.56 /hr
    4,070 hours
    4.87
  2. Rich Murphy

    Rich Murphy

    Freelance Writer & Author

    United States - Last active: 2 days ago - Tests: 8 - Portfolio: 6

    I believe in excellence. Writing isn't about just putting words on paper, it's about expressing ideas. Like any art, the writer has only been successful if the reader sees what he sees, hears what he hears, and feels what he feels. I am an experienced writer with over 180 books published; in addition to my 500+ page web site and 3 blogs. Let's just say, I've been writing for a while. I started writing as an engineer, writing proposals for the company I worked for. As such, my writing had to be clear, concise and answer the questions before they were asked. My writing had to convince the higher-ups in the company to spend money, make changes and believe in what I was saying. When I write, I strive for clarity, simplicity and something that will stir the reader to action. Any subject, no matter how dull it seems, has something in it that can excite; otherwise it would die from apathy. I want to find that thing which excites and express it to others. I have Five general areas in which I consider myself a strong writer. While each of them seem totally separate from each other, they form the structure of who I am, and where I've come from. 2 - Survival and Prepping - I started out as a survivalist as a teen, in the 1970s. That was the latter days of the Cold War and along with some friends, I had plans to head for the Colorado Rockies. Seeing the need, I started studying survival. I guess that just never left me. With the resurgence of interest in survival brought about in the modern prepping movement, I decided that my knowledge was needed. There is too much being written by people who don't know survival, to sell to this niche. When I write about it, it's from the viewpoint of personal experience. When I explain how to do something, it's because I've already done it. 1 - Technical subjects - I'm not talking about product reviews here, I'm talking about engineering technical subjects. As a former engineer, I can grasp technical issues, and explain them in a way that others can grasp what I am saying. Although not normally considered "technical" I must include the building trades amongst this, as I have also been a contractor. If you need "how-to" articles written on the building trades, I can almost do it in my sleep. I find that very few technical people can write well, and very few writers understand technical issues well. I guess that makes me the oddball. Maybe I'm the oddball you need. 2 - Education - I am passionate about the need to educate our children; to bring about reform in our schools; and to bring technology into the classroom. If something isn't done about our educational system, the United States will no longer be able to be world leader, we'll slide back into being a third world country. 3 - Marriage and Family - Amongst my personal writing, there is a fairly large section dealing with marriage, family issues, child raising, and maintaining a healthy marriage relationship. Of my three blogs, one is a daily posting; it is called: "Romantic Act of the Day." Need I say any more? 4 - Christianity and the Bible - Most of the books I have written are for Christians, the Church and teaching about the Bible. I hold a masters degree in Biblical Studies, and an honorary doctorate degree, awarded to me for my writing. No, I don't know it all, I'm just trying to learn it all. I won't say that I can't write about other areas, because I can. I have written a fair amount about business as well. But these four areas are my strengths. The question is, are those the strengths you need?

    $44.44 /hr
    278 hours
    4.95
  3. Shrikrishna M.

    Shrikrishna M.

    Programming is my addiction. Software is the winner.

    India - Last active: 12 days ago - Tests: 2

    Applying to your job posting is the first thing that I could do to prove my skill set :). Okay, Below is the list in which I'm comfortable to work diligently. 1) Hire me for integrating APIs of Google, Facebook, Twitter, PayPal, Authorize.Net, Skrill (MoneyBookers), Aweber, MailChimp, ZenDesk, Twilio (VOIP, SMS and other telecommunication services provider) and similar. I love doing this and I'm very good in this. All time favorite. 2) Hire me for WP (WordPress) Development & Customization's. Plugins, Themes, whatever be the task/work it is. I do have very good experience in dealing with & using its API (WP action hooks & filters). 3) Executed (Developed) some bigger projects from scratch (start to end) in PHP individually. So, grabbing the concepts and customizing any existing portal, CMS, eCommerce store developed in PHP is very easy for me. Hire me for this type of works. I know my way around's. Walked a lot on this. 4) Chrome Extensions, Firefox add-on's, Android apps (using PhoneGap) and Data scrappers. Lacks experience in Android APPS else all is perfect. Yours truly, Krishna

    $33.33 /hr
    920 hours
    5.00
  4. Aldrin L.

    Aldrin L.

    Architect, Backend Engineer (Scala, Java, Hadoop)

    Brazil - Last active: 7 days ago - Tests: 12 - Portfolio: 1

    Over the past 15 years I've worked with projects ranging from Startups to Fortune 100s. From C++ to Scala, past assignments involved: - Protocol Design in C++/Delphi - Java API Publishing - Maven Plugin Development - Distributed Systems using RESTful backends - Scala / Akka Design - Jenkins Plugins Writing On a daily basis, I spend between Systems Architecture, Build Planning, for Hadoop and Restful Backends, specially under Amazon Web Services. Oh, I'm also a Cloudera Certified Administrator and Developer. Favorite platforms include Scala, Python and General Java. See my full profile for more descriptions and feel free to browse my github and bitbucket profiles at the addresses below: http://github.com/ingenieux http://bitbucket.org/aldrinleal Favourite customers involve pragmatic teams, with contant online presence, and direct involvement with the end customer, and a problem involving legacy and the next generation Feel free to discuss our next project - I'm always looking for the next challenge!

    Groups: LoginRadius, Microsoft Certified Professionals

    $55.56 /hr
    3,112 hours
    4.82
  5. Martyn Shuttleworth

    Martyn Shuttleworth

    Experienced technical and academic writer. Native English speaker.

    Greece - Last active: 5 days ago - Tests: 8 - Portfolio: 20

    As a graduate with many years experience of writing and proof-reading academic papers, I am familiar with all major citation practices. I am able to write papers for most subjects, from philosophy to physics. Without complaint, I adapt to any topic and style of writing, and I am thorough in my research. I firmly believe in going the extra mile required for completing the task to a high standard. As a perfectionist, I never compromise upon quality, whatever the size of the task.

    $33.33 /hr
    52 hours
    4.97
  6. Marek Bogatek

    Marek Bogatek

    Fullstack developer with inclination towards non trivial problems

    Poland - Last active: 2 days ago - Tests: 9 - Portfolio: 1

    I am a wizard. Seriously. I use rare combination of talent, skills and hard earned knowledge and experience to solve others' unsolvable problems. Wonders and miracles done immediately, impossible stuff with minor delay. Upwork is an opportunity to learn more, faster, and get myself involved in much more interesting, diverse projects that I would thought possible previously. Such cases were, for example, helping Panama based company OSOP with systems they use to predict (and provide warnings for) earthquakes in mid-America region; or a web crawling problem that was neglected by everyone passing through the Chegg Courserank project (creating the general solution for this took me to senior engineer position... and further, to team management); lately I was able to provide candidate and code reviews and design basic specifications for entirely novel software - and surely, such contracts showed up as well. You can see some of my previous private/hobby projects on github: http://github.com/zencodism ... and some social programmer activity at stackexchange sites under the same 'zencodism' login. So far, I've created numerous utilities and scripts (C / C++ / Python), a complex image manipulation and postproduction suite (C++ / asm / CUDA, worked on this as a member of a team), some visualisation software: for custom equipment (Java) and voice emotion recognition (Node.js), and a few web based projects (Python with Django, PHP, Perl, Groovy - working with a team on huge CRM system) including also long team Java-based web scraping suite I both developed and managed the team involved. Further down the road I'm turning to web applications along with their server counterparts - everything from designing communication protocols with cryptography and some redundancy to a space simulation game I'm writing as a hobby. I can work in and administer various operating systems (Windows, Linux, *BSD, Solaris... this came in handy lately when web development job turned into disaster recovery of remote server), use several databases (mySQL, PL-SQL) and quite a few programming languages; even created one myself, just for fun. What will be next, may be up to you. Feel invited.

    $34.00 /hr
    2,352 hours
    4.72
  7. Andrey B.

    Andrey B.

    html5/xhtml/css/css3 Developer, Smarty, Zend Framework, Ruby on Rails

    Ukraine - Last active: 3 days ago - Tests: 3 - Portfolio: 35

    I have over seven years experience of front-end. I live in Ukraine. Time zone GMT + 2:00. Completed over 1000+ projects, 250+ of them with implementation to the engine based on Ruby on Rails, Zend, Smarty, Codeigniter. Now my specialisation is a large projects (50+ models). I know how to properly organize work with a lot of styles. I am able to do modular structure of html elements. Whereby sites that I do becomes semantic constructor. This enables the project to grow freely. I can offer to you deep knowledge and experience of css3 animation, css3 3d transform, icon font creation, css sprites, data:uri, microformats. I know how make website load time and render time optimization. Specialties: HTML5, CSS2-3, jQuery, Zend/Smarty, Ruby on Rails Experience: HTML5/HTML/xhtml/CSS/CSS3 - excellent level (layers layout (div), semantically correct code, Handcrafted code) SASS, LESS, Stylus - fluency in Jade, Slim, Haml - fluency in SVN, GIT - fluency in jQuery - fluency in SVG, icon Fonts - fluency in Ruby on Rails, Zend, Smarty, CodeIgniter - layout implementation. I can write code right into sites engine, this save customers time and money. Photoshop - user level To create a page of average difficulty I spend 6-9 hours.

    $44.44 /hr
    529 hours
    4.77
  8. Robert L.

    Robert L.

    Lead Front-End Developer | Bootstrap Developer CSS | Membership Sites

    United Kingdom - Last active: 1 day ago - Tests: 3 - Portfolio: 8

    My main occupation is Web Developer and Graphic Designer, but I am not afraid to delve into other areas with an extreme passion for: video editing, photography and digital art. I have experience working in a professional environment, I am always keen to expand and seek out more opportunities to improve my skills and develop as a designer. I would like to contribute in your company when the opportunity arises.

    $55.56 /hr
    4,344 hours
    4.68
  9. Christopher James

    Christopher James

    PHP Web App Developer: Any Framework, APIs and UI. 15+ years (USA)

    United States - Last active: 6 days ago - Tests: 6 - Portfolio: 12

    Since 1998 I have developed dozens of web applications focusing on a wide-range of industries including custom search engines, affiliate marketing, real estate solutions and worker safety. As an autodidact, I pride myself on learning new technologies and continually improving my skill-set. As a freelancer, I believe in professionalism, clean code and representing my craft to the highest degree possible. On the server-side, Laravel is my current PHP framework of choice, although I am comfortable working with Zend, CodeIgniter, Cake and Yii. For the database layer, I have 14 years of experience with MySQL. On the client-side, I prefer jQuery, Backbone and Twitter Bootstrap. Although I am not a graphic designer, I know my way around the Adobe software suite. I write standard compliant HTML5 and CSS3. I have an eye for useable, clean and obvious functionality. I have experience with many APIs, including Amazon, Box.net, Infusionsoft, Facebook, Twitter, PayPal, eWay, Authorize.net and Google. I can write APIs from scratch and give your application a RESTful interface. I am seeking opportunities to build custom web applications from the ground up or taking an existing code base and improving upon it.

    $110.00 /hr
    6,809 hours
    5.00
  10. Marina Janeiko

    Marina Janeiko

    UX & Product Design

    United States - Last active: 19 days ago - Tests: 5

    Portfolio site (WIP): www.marinajaneiko.com I am looking for a new exciting product design opportunity in a creative, innovative and enthusiastic virtual environment, and I am eager to join a fast moving and fast learning, constantly improving and experimenting team. I am a vibrant and self-motivated individual with passion for self development, learning new things and creating meaningful experiences through my work.

    $69.00 /hr
    4,187 hours
    5.00