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Web Services Upwork freelancers typically receive a client rating of 4.70.

Last updated: October 1, 2015
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Rodrigo Bravo

Rodrigo Bravo

Web Developer and Project Manager

Venezuela - Portfolio: 3

I have 5 years of professional programming experience, I am analytical and creative problem solving, and have worked on small projects grades and always trying to achieve maximum customer satisfaction. I have solid knowledge of Python, Django, Unix shell-scripting, HTML, CSS, SQL, Javascript, PostgreSQL and Linux expert.

$15.00 /hr
0 hours

David Codesido

David Codesido Agency Contractor

Linux Systems Administrator

Spain - Tests: 3

Over more than 15 years I've been a GNU/Linux fanatic while I was studying my Computing Science Engineering career. After that I have worked for 8 years as a Systems administrator and DevOps for an IPTV company. During these years I've mastered on server side administration oriented to web services and web backends (Tomcat, Nginx, Apache, Postgresql, MySQL) and with Cloud oriented services (CDNs, High Availability, Clustering). As part of my job I also have knowledge of a whole set of tools on GNU/Linux for debugging networking and OS issues and both Bash and Python good programming and scripting skills. As a result of my career tesis and years on IPTV, I have a deep understanding on video technologies, transcoding and streaming. As a DevOps I have a good understanding on software design and testing, customer relationships and project managing which gives me a new angle on approaching projects on time phocusing on customer satisfaction and Quality Assurance.

Associated with: Treitos

100% Job Success
$33.33 /hr
222 hours

Ryan Saul

Automation Engineer and QA specialist with REST API

United States

QA engineer specializing in writing automation tests and testing frameworks. Experience creating frameworks in Python. I have written web services tests using the Locust library for Python as well as front-end tests using selenium. I also work on side-projects in django and am looking to gain more experience with the platform.

$20.00 /hr
0 hours

Victor Emanouilov

Victor Emanouilov

Senior Web Developer

Bulgaria - Tests: 3 - Portfolio: 9

With over a decade of professional web development experience, I can bring a variety of skills, quality code, technology consulting and fast turnaround times to your project. My primary field of expertise is web development. I have participated in building numerous web sites and web applications both - from scratch and refactoring existing code - from small to large-scale projects. Typical steps I take in fulfilling a project: 1. Requirements analysis, discussion with clients, UML/use case diagrams, documentation preparation. Technology consulting to choose the most appropriate framework/solution for the project. 2. Database design, data modeling, ERD/sql schema creation. 3. Rapid prototyping or building core functionalities. Several turnarounds with client to ensure proper development direction. 4. Building all project parts using different project management models depending on the client - I have used scrum, milestones, pivotal tracker and other more simple methods. 5. Client testing and bug fixing. Normally, clients have 3 to 6 months of free bug fixing support after project is delivered. Being freelancer means being versatile. I also work in a team with other freelancers offering web design and programming as a team for larger projects. Please contact me for specific quotes on your project. What we value most is communication, delivery on time and code quality. Please check my portfolio for some of the web applications I have built or participated in building in the last several years. Each example includes details on the technology solutions taken and relevant experience needed to fulfill the project. Technologies I am proficient in (this is the more technical stuff): 1. PHP. I have been using it from 2002 from the time PHP4 was the standard. Extensive experience in OOP and functional programming, building own frameworks, configuration challenges in apache or nginx environments. Also used Symfony2, Laravel, CodeIgniter, CakePHP, Akelos frameworks and built plugins for Wordpress, Joomla, Typo3, Magento and Oscommerce. 2. Mysql/Postgresql - extensive experience with sql language, database schemas, translating project requirements to database design, optimizing sql queries, configuration and setup of mysql on linux servers. 3. XHTML/CSS - being the front-end of the web, every web project involves creation or modification of these - my experience range from adapting existing xhtml/css templates into a framework to complete page slicing from an image to working code compatible with modern browsers. Also worked in day-to-day life with HAML, LESS, SASS, CSS frameworks like compass, twitter bootstrap. 4. Javascript - I have been working with javascript from the time jquery, prototype and the other frameworks did not exist. I am familiar with DOM, javascript v.3 and above, jquery, prototype, mootools and sencha (touch). I have been using extensively coffeescript lately as well as building node.js server-side apps. 5. SOAP, web services, XML - I have used web services via SOAP, REST or HTTP/XML on numerous projects (e.g. amazon and sears web services). I have created web services via SOAP and REST to be accessible for other developers on a few projects. I have made custom implementations of Paypal payments (standard and advanced), SIM/AIM, direct connections with bank payment processors (like Elavon) and others. I have designed custom web services using JSON and REST for several Rails and PHP applications. 6. Linux - administration and configuration of web server machine - amazon EC2/rackspace cloud services. I have administered several servers in the cloud including installation and configuration from bare-bone CentOS/Ubuntu installation of web server (apache/nginx), php, mysql, ruby on rails, mail server, cron, bash shell scripts, logging, security and firewall. 7. Ruby on rails - from v.2.1 up to 4.2 - I have used it in numerous web applications and deployed it in different environments from Heroku to custom cloud servers. I am proficient with Ruby language, rails principles like convention over configuration and DRY, MVC, REST, migrations, automatic tests, code coverage, gems ecosystem. 8. Version control systems - I have used CVS, Subversion and GIT. I have created and administered a lot of subversion repositories. 9. Android Java development - I have built two Java based android applications and am familiar with android API and application development.

$35.00 /hr
32 hours

Naveen B.

Naveen B.

Developer & Systems Administrator


I'm Naveen, a freelance developer from India. I have been working on software and web application development (mostly .NET) for quite a few years now. I am sure that my expertise will provide you with satisfaction and the best quality of products. I'm pretty selective in the kind of projects I work on. I'm most likely to jump on development work that I can stand behind, Projects that provide a great addition to my portfolio and help me grow as a developer. I will be fast in communication and getting the Work done. If you are not satisfied, I will provide 100% refund.

$22.22 /hr
5 hours

Chris Giddings

Chris Giddings

Experienced 20yr Technology Veteran - Achiever

United States - Tests: 1

As an experienced veteran of a complex and often misinterpreted industry I can guide you through almost any technology project. Those limited parts which I cannot handle on my own I have others who I work with to complete at no additional cost to you. Whether you're looking to build a simple web page, design a complex web or mobile application or are looking for someone to fill in and help you complete or manage a project I'm your guy!

$88.89 /hr
0 hours

Mohit Gupta

Mohit Gupta Agency Contractor

Cloud, Mobile, Web, Windows, Programming

India - Portfolio: 16

Azure, Xamarin (iOS, Android), PhoneGap, AWS, ASP.NET, PHP, MS SQL Server, MySQL, WCF, WPF, SQL Server Integration Service, SQL Server Reporting Service, CodeIgniter, CakePHP, ASP.NET MVC, Wordpress, Magento, nopCommerce SKG Infosolutions is based in India and provides software services. We develop Cloud, Web, Mobile and Windows applications as per client's requirements. We follow SDLC process to develop any software application. To ensure requirements and development are on same page, we develop detailed mockups/wireframes for client's to approve. Our core expertise include developing and architecting any kind of application. We are maintaining and enhancing various applications for our clients. Out team keeps updating themselves with latest technologies. We will meet all your requirements, maintaining quality and your expectations. Our motto is "QUALITY FIRST".

Associated with: SKG Infosolutions India Pvt. Ltd.

87% Job Success
$12.00 /hr
0 hours