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Yuriy P.

Yuriy P.

Web-developer (PHP/Python + Frontend)

Russia - Tests: 11 - Portfolio: 7

Hi, I developed web applications for last 4 years using PHP, MySQL, xHTML, CSS, JS (native and with framework). I worked on absolutely new projects and maintained existed ones. I also have some experience in SQL, Ajax, OOP, JSON, XML and worked with different php frameworks (I prefer Kohana to build websites from the ground up).I'm seeking work to create awesome web applications. If you have some work for me - let's discuss collaboration.

$33.00 /hr
3,810 hours

Veselin K.

Veselin K.

Software Engineer - JavaScript / CSS, Java / C++, PHP, MySQL

Bulgaria - Tests: 7 - Portfolio: 8

Over the last years I was involved in developing a wide range of web applications. I prefer to concentrate on providing a nice web 2.0 user experience by developing sophisticated JavaScript front-end. Nevertheless I'm good at developing a full website solution on top of LAMP stack. Before going to web I have gathered extensive experience developing desktop applications in Java or C++

$40.00 /hr
9,660 hours

Zbigniew Pieslak

Zbigniew Pieslak

Expert Ruby on Rails & Javascript Web Developer

Poland - Tests: 8 - Portfolio: 8

Over the last 7 years I have acted as a web developer and a Ruby on Rails expert, having the privilege of working with large international enterprises (NBCUniversal, Comcast) as well as many promising startup companies. I consider myself to be a hard-worker motivated to deliver only a well-tested, scalable and performance-wise code that meets the current programming standards. During my career, I learned that understanding client's needs, good planning, proper programming experience as well as regular and honest communication are the key factors to build a successful relationship. Please have a look at my portfolio and the feedback I got from my clients. I’m passionate about learning new tools and programming languages and I quickly adapt to new environments. I’m seeking long-term relationships and new challenges. I am looking forward to hearing from you about your next project!

$45.00 /hr
4,374 hours

Diego Blanco

Diego Blanco

Linux Systems Administrator

Spain - Tests: 7 - Portfolio: 3

I'm an expert in GNU/Linux systems and other UNIX flavors. I have experience in CDN deployment, Cloud Computing, High Availability, Monitoring and Video Transcoding and Streaming. I've been working with GNU/Linux since I was 14, what makes more than 10 years of experience so I have a good background in its evolution, tools and administration. I also use to implement tools in shell script and python and I use to code my applications in python. In the last 6 years I've been working as systems administrator and Integrator for an IPTV company that offers streaming and web services. I directed projects regarding software distribution and upgrades automatization, product deployment architecture design and products monitorization. I co-designed and co-deployed the cloud computing platform for the company, its CDN with High Availability, its telephony system and other projects. I really like to learn new technologies, test its capabilities and see what can they do. I like to meet new people, work with them and share knowledge and opinions.

$33.33 /hr
749 hours

Andrey E.

Andrey E.

Web Developer (NodeJS, Javascript, Redis) | Problem solver

Russia - Tests: 5 - Portfolio: 16

I’m software developer with over 7 years of commercial experience with a passion for technology, science and all things web-related. I have worked on broad range of projects and worn many hats. Over the years I did backend and frontend web development, set up webservers, designed and tuned databases, created single page applications and embeddable javascript widgets, implemented game logic and automated websites. My skills and experiences include PHP, Javascript (ES6, ES7, promises, generators, async await), CoffeeScript, Java, Node.js, PhantomJS/SlimerJS, LUA, Laravel/Lumen frameworks, Express, HTML5, CSS3, LESS, Bootstrap Framework, MySQL, MongoDB, Redis, Memcached, SocketIO, Websockets, REST, working with 3rd party APIs, GIT, Apache, Nginx, AWS, OpenShift, IBM Bluemix, Linux, Software Design Patterns and SOLID principles. Currently I enjoy working with Node.js/Javascript. I love solving challenging problems and my strong mathematical background allows me to think outside the box and see the big picture. I’m currently freelancing while I pursue new opportunities and can be reached through this profile.

$50.00 /hr
305 hours

Wallace Ferreira

Wallace Ferreira

Software Analyst/Developer

Brazil - Tests: 10 - Portfolio: 2

Hello, my name is Wallace. I've been working with software development for over 9 years. I acquired a lot of experience developing applications using Visual Basic, C/C++, PHP and Java. My expertise is analyzing and developing Desktop and Web Applications such as: + Crawlers/Web Crawlers - Collecting and storing data from sites, documents, videos, photos, social media sites, classified ads sites, etc. + Web Data Scrappers - Extracting, parsing, filtering and storing relevant data from web pages to readable and manageable formats like Excel, CSV, HTML, etc. + Bots and Automation scripts - Extracting and making business decisions out of data from documents like PDFs, Excel, CSV, XML, TXT, etc. - Sending email reports automatically - Auto filling forms - Price comparison apps - Event notifiers + Data conversion/transformation - Transforming/Converting data between formats for import/export in different applications. - Feed generation - Report construction + API development/integration - Adding support for third parts services - Creating interfaces for communication between systems. I have developed dozens of applications for a wide range of application domains including: - E-Commerce sites (like Amazon.com, Walmart.com, ToysRus.com, etc) - Financial market - Market research groups - Medical related groups - Shipping companies - And several other personal applications. Some formats I have expertise in are: - JSON - XML - SQL - CSV - PDF - TXT - HTML - XSL - XSLX - And others Acting as an analyst and developer, I gained experience with modeling relational databases and SQL, with a focus on MySQL DBMS. Since 2009, I have been working for a company that develops software for the financial market - EconoInfo (http://www.econoinfo.com.br). In 2012, I graduated in Computer Science at the Pontifical Catholic University of Minas Gerais - PUC Minas. Over the past four years, I specialized in Java development, especially Java EE 6.0, focusing on technologies EJB, JPA, JSF, JMS and JCR. Acting as an analyst and developer, I gained experience with modeling relational databases and SQL, with a focus on MySQL DBMS. As a developer in charge of creating the EconoInfo website's interface, I also specialized in Servlets, HTML, JavaScript and CSS.

$33.33 /hr
1,297 hours

Stephane Travostino

Stephane Travostino

Systems and software specialist

United Kingdom - Tests: 8 - Portfolio: 3

I like working on anything revolves around the IT ecosystem, and find the most fun in troubleshooting problems and working around strict requirements and deadlines. My main skill is discovering the root cause of a problem and working out the best solution in a very short time. I am a very fast learner and have a vast skill set to assist in any kind of necessity, as long as it runs on a computer. I'm a self-taught Linux systems administrator, full stack developer and jack of all trades in systems design and maintenance. I have experience with system internals and administration, C and Python programming, software design and management, Linux and Solaris operating systems, and high expertise in maintaining and tuning MySQL databases. I also develop modern and rich web applications with HTML5 and modern Javascript. Other interests in web design, typography and improving team processes and workflows.

$66.67 /hr
1,089 hours

Shageevan Sachithanandan

Shageevan Sachithanandan

CMS and Ecommerce solutions provider

Sri Lanka - Tests: 9 - Portfolio: 15

Upwork Freelancer plus the CEO of a successful E-Commerce store in Sri Lanka which did more than $1million revenue within an year of launching and still going strong. My core skills include HTML, CSS, Javascript, PHP, MySQL, WordPress, Shopify, BigCommerce, cPanel/WHM, JIRA/Confluence Administration plus anything related to web developement and server configuration. I will be available every weekday 3:30PM GMT to 5:30PM GMT and you can contact me via Skype or oDesk messages.

$55.56 /hr
2,028 hours

Darren Davies

Darren Davies

Software Engineer

United Kingdom - Tests: 2 - Portfolio: 2

A professional Software Engineer based in the England (North East). BSc (Hons) Computer Science, Microsoft Certified Professional and Microsoft Specialist. Experience in the following technologies: C#, C, C++, Delphi, VB6, VB.NET, ASP.NET MVC (nHibernate, Fluent nHibernate, Entity Framework), ASP.NET, Java, PHP, SQL, T-SQL, SQL Server, MySQL, SSRS, SSIS, SharePoint (2007, 2010, 2013), mIRC Scripting, Workflow, K2 BlackPearl, HTML, HTML5, CSS, jQuery and JavaScript.

$70.00 /hr
935 hours