Top Upwork Freelancers

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  1. Fawad Qureshi

    Fawad Qureshi Agency Contractor

    Senior Ruby On Rails Expert - 6+ Years of Experience

    Pakistan - Last active: 14 days ago - Tests: 1 - Portfolio: 3

    An experienced Ruby on Rails developer with more than five years of experience in the field. I have an experience of working and publishing various projects in Ruby and Rails (from version 1 to the current release, version 3) using web 2.0 standards. I have experience of developing Rails Plugins. I have an extensive experience of designing, managing and deploying rails applications. The kind of work I have done involves UI intensive web applications with REST API’s, high performance application, payment gateways and back end applications talking to third party libraries, mobile apps, database migrations etc.

    Associated with: VeriTech

    $30.00 /hr
    272 hours
    0.00
  2. H Albano

    H Albano Agency Contractor

    PhoneGap Developer

    Uruguay - Last active: 1 month ago - Tests: 4 - Portfolio: 26

    Over the past 4 years, I have developed a wide range of apps (both PhoneGap and iOS) websites and games. My specialty is comprehensive work, developing everything from scratch, through Project Management. Some of my work includes: - PhoneGap development - iPhone Application with Google App Engine Backend - 3D Graphic Artist & Web Game Design I'm now seeking opportunities that will allow me to develop my professional skills by providing creative and high quality solutions to my clients. I enjoy new challenges on a daily basis, looking to overcome my own high standard goals.

    Associated with: CodigoDelSur Agency

    $61.11 /hr
    195 hours
    0.00
  3. Ralph R.

    Ralph R. Agency Contractor

    Engineer building with Rails, Ruby, Django & Python Experience

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

    Specialising in Wordpress, Ruby on Rails & Djanjo application development. Over the last 6 years, I have developed a wide range of web applications & sites using Python, Django, JavaScript HTML, Rails, Wordpress, SharePoint, PHP, and MySQL including sites for startup companies and small businesses. I have also extensive experience administrating systems including DevOps, Linux, Amazon OpsWorks & AWS, SharePoint, SalesForce, Zendesk & Jira. My core competency lies in extending existing codebase to incorporate new web site features, administer content management systems (CMS) & collaboration systems. I am seeking opportunities to maintain websites or systems for you or your business. I also have some experience in the following areas: SQL, SaaS, Agile, OOP, and software design and testing.

    Associated with: Lava Agency

    $65.00 /hr
    226 hours
    0.00
  4. Michal H.

    Michal H. Agency Contractor

    Web and UX Designer

    Denmark - Last active: 5 days ago - Tests: 2 - Portfolio: 13

    I am a WEB and UX designer running a small digital agency called UX Nova. In my work I strive to create beautiful and user friendly interfaces for websites and applications. To achieve this I have gained all my design skills freelancing for various clients while completing my Master´s in Psychology. In 2012 I have started freelancing full time and had a chance to design and build websites and apps for wide range of clients from Europe, USA & Asia. My big success last year was an opportunity to solely design a big execution management web app for a Danish company which is going to be launched in 2015. You are very welcome to check my work at WWW.UXNOVA.DK My Workflow for new website: 1. Listening and learning about client vision, business goals and audience 2. Using this information to design a beautiful website that keeps in mind business goals 3. Testing the website with real users to ensure maximum user experience and avoid surprises 4. Fine tuning the website based on user and client feedback 5. Building the website with skilled developers from my network 6. Launching the project and enjoying the view 7. Keeping eye on the project and its performance

    Associated with: UX Nova

    $30.00 /hr
    125 hours
    0.00
  5. Sumit Kumar Roy

    Sumit Kumar Roy Agency Contractor

    Data Warehousing,Business Intelligence and Big Data Scientist

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

    Sumit have worked in the It industry for over 17 years. He has vast experience developing software from Supply Chain Management, POS, E-Commerce, BFSI, manufacturing etc. He holds a post graduate degree in IT and E-Commerce. Customer-focused, highly organized self-starter with effective customer-service skills and demonstrated ability to manage technical aspects and per-sales projects, architect tailor-made customer solutions, build relationships, communicate solution strategy and product offerings, and provide technical expertise, support, and training to sales and customers. For over seven years, career focus has been centered on Business Intelligence and Data Warehouse system design, development and deployment. The application of extensive experience across multiple DBMS' and platforms has provided a strong aptitude for multidimensional data base design coupled with robust operational architectures. Have 8 years’ experience in BI Data analysis and generation of complex Analytical/Statistical report for Finance/Marketing/Supply Chain Management.

    Associated with: Octocube Consulting

    $38.89 /hr
    221 hours
    0.00
  6. Rodney Caston

    Rodney Caston Agency Contractor

    Systems Engineer

    United States - Last active: 2 days ago - Tests: 3

    I have over fifteen years experience in linux systems administration and development, having managed large environments composed of many thousands of systems. I believe I bring with me a valuable perspective on how to provide solutions for efficiently managing extremely large, and distributed environments without scaling headcount. Some of my accomplishments include having built site reliability/network operations centers from the ground up, from the development of the fault and performance management systems to the management of the staff. I have built up and administered large scale email infrastructures which would send and receive millions of emails daily. I have managed datacenter migration projects consisting of thousands of servers running live services. I have extensive experience in the online gaming industry, focusing on adminsitration, server engineering, and DevOps. I have even worked in a creative capacity as a writer and creative designer in the past, having co-created the MegaTokyo™ intellectual properties. Given the variety of roles I've had in my career, I consider myself a jack-of-all-trades. What I enjoy most is being able to provide value to the organizations that I am able to support, regardless of what role that places me in at the time. Specialties: Amazon Web Services, Apache, Backtrack 5, Bind/DNS, Cacti, Chef, Cloud, Drupal, Elasticsearch, Ganglia, Glusterfs, HAProxy, Heartbeat, Kibana, LDirectord, Linux (Ubuntu, Debian, Redhat, CentOS, Kali), Logstash, Memcache, Metasploit, Monit, MongoDB, MRTG, Munin, MySQL Server, Nagios, Netcool, Nginx, Offensive Security, OpenVAS, OpenVPN, OSSEC, OSX, Penetration Testing, Postfix, PowerDNS, Puppet, Ruby, RRDTool, SAN, Samba, Sendmail, Shell Scripting, Splunk, Squid, Syslog, SMTP, SNMP, SSL, Squid, TCP/IP, VMWare, Windows, and Xen.

    Associated with: Caston Consulting LLC

    $91.11 /hr
    1,516 hours
    0.00
  7. Igor T.

    Igor T. Agency Contractor

    FULL STACK EXPERT. 5+ years exp. Live projects

    Russia - Last active: 12 hours ago - Tests: 1 - Portfolio: 2

    I'm a professional web developer with a strong mathematical education. I took 24th place at All-Russian Mathematical Olympiad in 2008. My main principals are: ✓ to keep your deadlines (to be working as much as need if need) ✓ to keep code clear ✓ to keep application stable I was working with enough clients. One of them was a Russian bank(I have developed a security inner system for them). Also I was working with market force international group. I know how to have a professional approach to what I'm doing. And my live projects are evidence that I'm pro and my clients are satisfied. So I'm looking forward new interesting suggestions.

    Associated with: ILike

    $30.00 /hr
    1,428 hours
    0.00
  8. Vasiliy Maluk

    Vasiliy Maluk Agency Contractor

    Backend developer - Symfony2/Wordpress, MySQL/NoSQL, AngularJS, HTML

    Russia - Last active: 1 day ago - Tests: 8 - Portfolio: 3

    I am a backend developer, and I am always looking for challenging projects to apply my skills to. I did complex projects, and I know how to plan architecture for projects flexible for changes, and bug free. When I work on project - I use a motto - quality is nothing if deadline failed. So you can be sure that your project will be done in time and with best quality. Looking for your interesting project!

    Associated with: Umbrella Outsource

    $35.00 /hr
    1,036 hours
    0.00
  9. Sanjin Matusan

    Sanjin Matusan Agency Contractor

    Senior .NET developer

    Croatia - Last active: 2 days ago - Tests: 2 - Portfolio: 1

    I am a senior .NET developer with 10 years of experience that delivers work on time with high quality. My preferred way on doing job is working closely with customer on daily basis, proposing and discussing business requirements and various use cases to find the best solutions for the customer. I have experience in the following areas: .NET C#, ASP MVC, WPF, WCF, SQL, SQL Server and ETL, software design and team leading. My experience also include working on project sponsored by the World Bank.

    Associated with: Blue Shark

    $30.00 /hr
    530 hours
    0.00
  10. Kalpna Thakur

    Kalpna Thakur Agency Contractor

    Senior Wordpress Developer

    India - Last active: 6 days ago - Tests: 1 - Portfolio: 9

    Exceptional experience in WordPress Huge knowledge of WordPress plugins and architecture Wide knowledge of Social Media Customized WordPress plugins and built new custom plugins. Customized WordPress themes. Proficient in PHP, HTML and CSS, MySQL, Ajax, jQuery and JavaScript Integrated WordPress based websites with other websites. Thorough understanding of best practices and industry standards Good Organization skills

    Associated with: Intelligaia Technologies Pvt Ltd

    $30.00 /hr
    1,045 hours
    0.00