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Last updated: October 1, 2015
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Yaroslav Mykhailov

Yaroslav Mykhailov

BigData Expert | Senior Java, Python Developer

Ukraine - Tests: 5 - Portfolio: 3

You are feel free to contact me in skype: jaroslav.mikhaylov Overview: ---------------- Hi, my name is Yaroslav. I believe my strong points are my Creativeness and Punctuality. My #1 goal will always be to meet your needs and deadline. When working on a new project, I like to speak with the client, so that I can have a clear understanding of his/her needs and vision of the project. I'm honest and fair. I work as Java/Python developer during 5 years. To be a developer, it is my dream from childhood. When i played in computer games, i dream to have skills that to write bot programs. Therefore i graduated master degree in Software Engineering. I worked as Software Developer at Ukrainian mobile operator on high load web service, July 2011 - May 2012. Since June 2012, I work at EPAM Systems as Software Engineer on project goal is migration part of data analysis workflow from traditional relational database to Hadoop framework. Customer face constant significant increasing of data amount to analyse and traditional relational databases as DB2 may stop meet all needs (price, speed, maintenance ease). Software being developed is designed to provide all needed data warehousing, analysis and ETL functionality on base of Big Data framework Hadoop including Hadoop Core, Hadoop File System, Hive, writing Restful services, clients for services and others. Please take a look at my work history for comments from other clients. Thank you in advance for your time and consideration. I look forward to working with you soon. I have a Master degree in Software Engineering, faculty of Cybernetics, from Taras Shevchenko National University of Kyiv, in the Ukraine. Listed below are my experience and skills. Python (I like use for data mining and bot programs :) Django, Crawler, Scrapy, Grab I prefer tasks in algorithms and artificial intelligence, that contains hard logic. Hobby: Ethnical hacking and CTF competitions :) Summary: ----------------- • 5 years of software development experience • 4 years of Java development experience • Strong Java background • English (Upper-intermediate) • Fun-loving and sociable

93% Job Success
$45.00 /hr
177 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

Sahar Technologies

Sahar Technologies


India - Portfolio: 9

Sahar Technologies is a software company which design, develop websites, web applications for small retail and social business needs. It focuses in delivering high quality, scalable and reliable software solutions applications. It designs & delivers mobile applications targeting iOS & Android platforms too. Sahar Technologies also delivers enterprise portals and applications based on Sharepoint, IBM Websphere and Oracle technologies.

$7.00 /hr
203 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

Nawab Asghar

Nawab Asghar Agency Contractor

MD / Founder

Pakistan - Portfolio: 7

DELIVERED SERVICES WORTH $10,000/- PLUS ! Over a decade of professional services extended to international marketplace; in-depth experience of IT Solutions. Sound expertise on Core IP Networks, TDM, VoIP Solutions, Software Development, Database Development & Implementation, ERP implementations and much more. Skills: 1. Cisco / Juniper 2. Linux / Unix 3. Microsoft Environment 4. VoIP Solutions 5. Web Development (HTML, Java Scripting, PHP, WordPress) 6. Databases (Oracle, SQL) 7. VPN 8. Mikrotik (RouterBoards)

Associated with: dgtel Consulting (Pvt.) LTD.

78% Job Success
$30.00 /hr
471 hours