Top Upwork Freelancers

More options
Clear all filters
  1. Dorin Duminica

    Dorin Duminica

    Software Developer

    Romania - Last active: 1 day ago - Tests: 12 - Portfolio: 1

    Over the past 6+ years as a Delphi developer I have worked on database, desktop and web applications. I'm proficient in Delphi(version. 7 to 2010) and PostgreSQL. I have a very good analytical thinking and elegant taste for user interface. I also have experience with RTL, VCL(shipped, DevExpress, TMS), OOP, SQL. I'm constantly doing my best to improve my skills and learn new technologies.

    $38.89 /hr
    8,635 hours
    4.90
  2. Emil Ajdyna

    Emil Ajdyna

    Full-Stack JavaScript Developer

    Poland - Last active: 1 month ago - Tests: 9

    I am seeking opportunities to build robust, well tested front-end solutions that require a lot of JavaScript. Here's a short list of bigger projects I have worked on over the last few years: - ING Developing a single page banking application in Backbone/Marionette. We're also using jasmine, karma, nodejs, express.js, gulp, requirejs, d3.js, jquery and many more. I'm a technical team leader of one of the Scrum teams, responsible for the transfer's section of the app. - William Hill William Hill is one of the largest bookmakers in the United Kingdom. I have developed a wide range of websites that required a lot of front-end scripting. I had a chance to work on a truly scalable solutions as the websites were in 24 languague versions. - AQA AQA is one of five Awarding Bodies which are recognised by the regulators of the public exams systems for England, Wales and Northern Ireland. I had the privilege of working in the AQA office in Guildford directly with the kind and professional AQA team who had a really positive attitude about the project. My work focused mainly on the implementation of a cut-up, which involved converting an HTML and CSS template into the proper syntax for the CMS, provided by a third-party company whilst reporting to the Project Manager for AQA's project.

    $40.00 /hr
    548 hours
    4.98
  3. Vlad Mikhailov

    Vlad Mikhailov

    Ruby/Rails Sotware Engineer

    Russia - Last active: 1 day ago - Tests: 4

    I am a senior software engineer with over 7 years of experience. I love to work with ruby/rails and whole stuck. I really like to do projects that rely on good API design, complex client/server interaction and provide real value to their customers. My key skills: * Ruby, Rails 3/4, Sinatra/Padrino, Adhearsion, Minitest, Rspec, Capybara * PostgreSQL, MySQL, NoSQL ( MongoDB, Redis, Memcached) * RabbitMQ, Beanstalkd, Sidekiq, Eventmachine * Javascript, Coffescript, HAML/SLIM, HTML5, CSS, SASS * TDD, BDD, Continous Integration (TeamCity), Nant, Rake, Git, SVN, Capybara, Nginx, * DevOps, Chef, Ansible, Docker. * Amazon AWS (EC2, RDS, S3, ELB), Heroku, Engine Yard, Rackspace I also have experience in UX, product and project management (was a head of development with 15 developers and two QA engineers in a my team)

    Groups: Coding Champs, Engine Yard Ruby on Rails Professionals Network

    $50.00 /hr
    2,697 hours
    4.87
  4. Derek Harrington

    Derek Harrington

    Ruby on Rails Developer

    United States - Last active: 4 days ago - Tests: 2 - Portfolio: 8

    I am a talented and experienced full-stack web application developer. I work almost exclusively in Ruby on Rails. I love developing applications “the Rails way”. I appreciate the brilliance of the Rails architecture and enjoy using it to build world-class applications. I’ve created a number of complex systems using Rails including e-commerce sites, inventory management systems, scheduling systems, forum applications, internal organizational systems, and order fulfillment systems. My rails knowledge is also augmented with intimate knowledge of HTML5, CSS3, Sass, SQL, and jQuery.

    $105.56 /hr
    1,154 hours
    4.86
  5. Alan W.

    Alan W.

    Web Design | Web Development | Logo Design

    New Zealand - Last active: 25 days ago - Tests: 5 - Portfolio: 13

    I offer a range of graphic design, web design and web development services for my clients. I work hard to provide clients, like you, with the best quality projects. It doesn’t matter if you hire me for a small graphic design job – or a large ecommerce website – I won’t stop work until you’re 100% happy with what I do for you. I maintain strong communication with clients at all times, I know it’s important for you to be kept “in the loop”. I also adhere to all deadlines set, allowing for a smooth workflow on every project I undertake. Web design & development I work with an array of content management systems, including WordPress. To date, I have designed over fifty different websites – including ecommerce websites, corporate sites, and lead generation websites. If you’re looking for a professional, attractive website design built on an easy-to-use CMS, I can help you. Logo design I’ve designed an array of logos for my clients, including logos for ecommerce websites, startup businesses and more. Before commencing work on your logo design, I will consult carefully with you to ensure the design embodies your specific requirements. Typically I will provide you with multiple concepts, allowing you to choose the best design for your business. If you’re looking for a professional logo design that won’t break the bank, let me take care of it for you! Graphic design I have a strong track record of providing my clients with quality graphic designs – from letterheads and business cards, to website concepts and infographics. I have a close eye for detail, I’ll work hard until everything looks the way it should – creating a graphic that you’ll be proud of. No matter how big or small your design task happens to be, I’m your man! If you’re caught in two minds about hiring me, why not check out my feedback? You’ll see pages of positive comments from lots of satisfied clients I’ve worked with in the past. I’d really like the opportunity to work on your project, so get in touch now and let’s discuss your requirements.

    $40.00 /hr
    433 hours
    4.84
  6. Ursula Murphy

    Ursula Murphy

    Experienced Researcher and Information Professional

    United States - Last active: 1 day ago - Tests: 3 - Portfolio: 2

    To see more about me, please visit my website: www.ujmservices.com My experience includes: Educational marketing and business research Providing clients with customized research services to help them prove their value to their own target market with authoritative statistics and sources. Researching, analyzing and compiling authoritative, targeted statistics and market research based on identified topics. Writing compelling and organized summaries of findings, outlining key issues of project objectives. Past projects have included 100+ page targeted reports for manufacturing, high-tech, small business, healthcare, and energy industries among others for use in marketing, sales, promotional and educational materials. On a smaller scale, I have also provided topic reports for use in social media marketing, startup business research, sourced and updated information for infographics, and created targeted contact lists. Specialized business database subscriptions held include IBISWorld, Standard & Poor's, Business Monitor, Gale Research, EBSCOHost, Proquest, ABI/INFORM, etc. Writing and Editing Experience writing and editing web content and blogs, copy for infographics, marketing and promotional materials, instructional and training materials, business presentations, business and industry reports, resumes, creative and non-fiction writing, book proposals, resumes, etc.

    $30.00 /hr
    427 hours
    5.00
  7. Novita Rahardjo

    Novita Rahardjo

    Graphic / Web Designer

    Indonesia - Last active: 12 hours ago - Tests: 4 - Portfolio: 29

    I am a Graphic Designer based in Surabaya, Indonesia, specializing in User Interface Design and Development. I build clean, appealing, and functional interfaces which comply with the latest web standards. But that's just a part of it. Design is my life. It's something I do before I go to bed, and something I can't wait to do in the mornings. Without it, my world would be black and white. I design with Photoshop, Illustrator, Dreamweaver, and Flash. I code sites with XHTML and CSS, using a little of JavaScript, Actionscript, and PHP.

    $55.56 /hr
    4,705 hours
    4.99
  8. Md. ziaul H.

    Md. ziaul H.

    Sr. Frontend Developer(JavaScript, jQuery, AngularJS, Backbone, HTML5)

    Bangladesh - Last active: 2 days ago - Tests: 5 - Portfolio: 5

    Currently I am working with a well known web application, where my technologies are OOP based JavaScript, jQuery, AngularJS, BackboneJS with AMD, nodeJS, JSON, SASS/COMPASS, HTML5, CSS3. I am also working with some mobile prototype web app, where my technologies are jquery-mobile, backbone with AMD and nodeJS. These days I would like to work as frontend developer though I have handy skill on backend as well, where I work with some MVC based php framework like CakePHP, ZendFramework with MySQL as relational database and MongoDB as NoSQL. My future interest is to work on Ruby, Ruby-on-Rails and develop some cool app with AngularJS. I have developed a wide range of web application using XHTML, CSS2, jQuery, AJAX, PHP and MySQL for various kind of clients from all over the world. I have very good experience on developing jQuery plugin based on requirements.

    $38.89 /hr
    5,329 hours
    4.99
  9. Andrew B.

    Andrew B.

    Data Specialist

    United States - Last active: 12 hours ago - Tests: 4 - Portfolio: 3

    Over the last 8 years, I've been involved in a wide range of research projects performing statistical analyses, database management, technical writing, and business analytics. I'm highly proficient in Microsoft Office suite (with a special focus on Microsoft Excel), SPSS, and SAS statistical software, research writing and editing. My core competency lies in complete end-to-end management of research and data projects, from collecting/analyzing data, to creating high quality and clean graphs, to writing finished technical reports. I am well-versed in both parametric and non-parametric tests. I am seeking opportunities to organize, analyze, and interpret data from all sizes of projects. I also have experience in the following areas: HTML5, CSS3, social media, graphing data, and teaching.

    $40.00 /hr
    235 hours
    4.92
  10. James Hughes

    James Hughes

    Excel/VBA Consultant

    United States - Last active: 1 month ago - Tests: 6

    I am a full-time, home based IT consultant in Arkansas. I have extensive experience working with Excel and many other computer based programs. I have six months experience working with companies on a consulting basis, implementing custom business solutions. I work 40 hours a week, and I can do work on any size job. I am always in the process of familiarizing myself with newer and up-to-date technologies and up to the challenge of taking on any projects that you may have. I am very familiar in helping people with their technical needs, as I have eight years of experience working as a supervisor at a large telecommunications company in Las Vegas, NV. I enjoy helping people with their technical needs and try to go above and beyond for them in any way that I can. Business solutions is my specialty and I place a high value on honesty, integrity, and getting the job done right.

    $35.00 /hr
    429 hours
    4.92