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Vitaly Gulyaev

Vitaly Gulyaev Agency Contractor

C# VB.NET MVC LINQ EF WPF WCF Azure SQL Server developer

Russia - Tests: 1 - Portfolio: 3

#1 result in SQL skill test @ Upwork! High skilled software developer with experience in many areas of software applications. Have been working on large projects for more then 10 years. Having knowlege of different languages and technologies starting from classic ASP, I'm specializing on in MS technics now, namely: .NET C# and VB.NET ASP.NET MVC, WPF, WCF, LINQ SQL Server* *Have strong ability and experience in data processing optimization in SQL and NOSQL approaches.

$30.00 /hr
37 hours

Amitabh R.

Amitabh R. Agency Contractor

Web application architect

India - Tests: 2 - Portfolio: 1

I am a web application consultant specializing in developing critical and practical web applications for both established businesses and startups. I have extensive experience in programming in PHP frameworks like YII, CakePHP, Symfony and Codeigniter. I have been developing SAAS application for startups and also have extensive experience in taking over an existing web application , run various audits on it and maintain them for the owner. My main application domains are: -> Application for real estate and mortgage companies -> building CRM for companies -> Financial and statistical applications interfacing with R -> Creating MVP (Minimal Viable Product) for startups -> Real time web applications for stock markets -> Real time geo-location application -> Background check systems -> Social media application based on twitter, facebook, youtube etc APIS. I am very good at understanding and deciphering complex business logic and solve them programatically. I also have very good knowledge of algorithms. I have extensive experience in handling large MYSQL database with high volume traffic. I can write optimized sql queries and can audit sql queries to fix slow running queries. I have practical and in-depth knowledge about code quality, various testing (unit testing, security testing, stress testing). I am very comfortable in setting up full stack application on bare-bone servers. I am also very comfortable working on terminal. I have extensive experience in working in remote team and leading multi-member teams and managing source code through assembla and Bit Bucket. I am comfortable at working in both supervised and unsupervised environment. Below are some area I have gained expertise over the years ********************************************************************** Programming Languages: PHP, Python, Javascript, Node.js, R language Version management : SVN, Git Web servers: Apache, Lighthttpd Relational database : MYSQL, PostGresql Nosql databases : Mongodb PHP frameworks : YII, CakePHP, Symfony2, Codeigniter Javascript frameworks : Jquery, express.js, knockout.js, backbone.js Open source application : Wordpress, Joomla, Open cart Debugging : XDebug, KcacheGrind, Fiddler, Wireshark Job queue: Beanstalkd Caching : APC, file based caching Testing Tools : Manual and automated testing using PhpUnit, Apache Jmeter, Load UI, Rapid7, Burp suite. We cover Functional, Security, Stress, Compatibility and Usability testing Design tools : MYSQL workbench, Freemind, Visio, Pencil Internet protocols : HTTP, TCP/IP, SSL/TLS, POP3, IMAP Third Party APIs: Amazon, Facebook, Twitter, LinkedIn, Google +, Google Maps, Flickr Server management : Ability to setup barebone servers. Comfortable with Linux terminal. Use Cpanel, Plesk and Zpanel Payment gateways : Paypal, Stripe,, Google checkout, Amazon payment, Zombaio Technologies : AWS, Ajax , REST, OAuth2, Design patterns, JSON, Web-Services/SOAP, HTML/XHTML, CSS, Smarty, PEAR, Composer Background check and Drug testing API : NationalBackgroundData, RapidCount, TradeHouseData,, Labcorp, Escreen

$22.00 /hr
908 hours

Paul Ghiuzan

Paul Ghiuzan Agency Contractor

Business Development Manager

Romania - Tests: 7

We are a web agency founded by a very experienced team, which offers high-quality services for a wide range of clients with extremely different needs. We mainly provide web design and development services for customers all over the world, but we are also focused on many fields in Romania such as public relations, advertising, marketing and sales. Using creative and up-to-date tools, our team assures the excellent quality of the services and their delivery in time. We want to establish strong and long term business relationships with web agencies and direct clients who are looking for custom made or open-source solutions in the IT field. We have a young and skillful team with a large experience on all web related projects. It consists of web designers, web and mobile developers, project managers as well as consulting, marketing, SEO and sales experts. We also have a high number of collaborators ready to help us any time. The main fields our team covers are: * Technical Consulting * Web & Graphic Design * Logo, Identity & Branding * Search Engine Optimization * Business Solutions & Websites * Social Networking Development * Mobile Websites & Applications * E-commerce Solutions * Real Estate Websites * Dating Websites * Auto/Moto Websites * Job Portals * Web Directories * Blogs We provide custom solutions written using PHP programming language and driven by MySQL databases. As the delivery time and budget are very important for our clients, we are using PHP frameworks in order to reduce the costs and time-frame: * CakePHP * Zend Framework * CodeIgniter * Smarty Template Engine * Symfony We are also specialized in the most common open-source Content Management Systems and E-Commerce Platforms such as: * Magento * WordPress * Drupal * PrestaShop * Joomla! * osCommerce * X-Cart * Concrete5 * TYPOlight * phpBB * PHPList In the design area, we provide creative and fully customized solutions using Adobe products: InDesign and Illustrator for print materials and Photoshop for web, photography and other graphic related materials.

$35.00 /hr
343 hours

Kamrul Hasan

Kamrul Hasan Agency Contractor

PHP5| Wordpress | Responsive | HTML5 | Project Management

Bangladesh - Portfolio: 37

A group of experts on Web Design, Programming, CSS, HTML5, CSS3, PHP, Mysql Magento, Joomla, Wordpress, Creloaded,Javascript, Jquery and Facebook application. The House of total web excellence a pioneer in its field, DropnDot. This pioneering status offers the company a unique and strategic edge in terms of futuristic vision and a hands-on knowledge of the industry. As a proactive web-enterprise, DropnDot has set a benchmark of quality products and dependable performance in its core focus areas of web development & web design services. On the strengths of its varied products and services, the company has built up a growing base of loyal customers from all over the world. Core Competencies: Web Development Web Designing Custom Shopping Cart Graphic Designing Logo Designing Stay with professionals and try DropnDot.

$18.00 /hr
17 hours

Arnab Bhattacharyya

Arnab Bhattacharyya Agency Contractor

Ios || Android || C#, Mvc, Angular js || php, wp, Magento

India - Portfolio: 13

I have 6 years experience on HTML/CSS/JS, Raw PHP, WordPress, CodeIgniter, C# and ASP.NET MVC, Magento. I developed a lot of sites alone with its custom extensions (component, module, plugin, template) with MVC structure. Now providing responsive design. Support: After I finished the project, if you found any bugs then I still fix for you as free. I am glad I have a chance to work with you. SERVICE DESCRIPTION =================== MOBILE APPS & ENTERPRISE SOFTWARE DEVELOPMENT : ================================================= 1. Android Application Development 2. iOS Application Development 3. ERP, CMS & CRM WEBSITE DEVELOPMENT & WEB APPS: ================================= 1. Server side Development. 2. Website Design 3. Website Development ( PHP all framework, WORDPRESS, MAGENTO ETC ) 4. Java, C#, ASP.NET MVC 5. Maintenance Project. I am available on SKYPE to discuss to discuss any project with you.

$8.00 /hr
211 hours

Brajesh Khare

Brajesh Khare Agency Contractor

Sugar CRM / Zend Developer

India - Tests: 1 - Portfolio: 2

Working as Sr.Developer over the past years. Have built several high level web applications using the following technologies/languages - PHP - Sugar CRM - Javascript - mysql - css - html - jquery - ajax - smarty php - Ajax - Javascript. Have more than 5 years experience in Sugar CRM, Zend & Cake PHP. Extensive experience in XHTML, Php, JavaScript, jQuery, XML, RSS and CSS.

$15.00 /hr
12 hours

Ravi S

Ravi S Agency Contractor

ROR Developer

India - Portfolio: 6

I am Senior RUBY ON RAILS Developer and I have 6 years of experience in web technology. I had been integrating the web application in Ruby on Rails and had played with it since version 1. I have experience on design and integration in relation databases like PostgreSQL, MySQL and MongoDB. And also I have experience in deployment on Heroku, Digital Ocean, Rackspace and AWS servers. I have accomplished customization projects using on Spree(e-Commerce), Sharetribe frameworks.

$20.00 /hr
804 hours

Srinivasan I

Srinivasan I Agency Contractor

Professional ROR Developer

India - Portfolio: 5

I have been working in ROR around 4 years during that time I have completed several web development projects using ROR, and different databases like mysql, postgresql. I am expertise in e-Commerce development using Spree. Proficiency with an ability to integrate with latest technologies in all fields of excellence. Experienced in developing social networking sites, project management tool, eCommerce applications, crowd funding sites and CMS sites. Measuring performance with Rails best practices & Brakeman gems. Strong knowledge in GITHUB, Heroku, SVN Deployment.

$20.00 /hr
72 hours

Senthil Kumar

Senthil Kumar Agency Contractor

Ruby on Rails developer

India - Portfolio: 7

I have 6 years of extensive hands on experience in website development. Experienced in developing applications using Ruby On Rails technologies An experienced team player with interpersonal skills and has the ability to work independently. I am expertise in e-Commerce development using Spree and Sharetribe. Proficiency with an ability to integrate with latest technologies in all fields of excellence. Experienced in developing social networking sites, project management tool, eCommerce applications, crowd funding sites and CMS sites.

$20.00 /hr
817 hours

Rohit Rehan

Rohit Rehan Agency Contractor

Web Development | Web Design | Web scrapping | HTML5 | CSS3 | jQuery

India - Tests: 8

A professional with 4+ years experience in designing and development of websites/web applications. A brief about my skills: - HTML5 - CSS3 - jQuery - AJAX - WordPress - PHP - BootStrap - JAVA (JSP, Servlets) Solutions provided by me: - Responsive Design - PSD to HTML conversion - Designing and development of wordpress themes/plugins. - HTML5/CSS3 Template Designing - web application development using JSP, servlets.

$15.00 /hr
66 hours