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Ivan T.

Ivan T.

Ruby / Rails Architect w/ scaling exp. 8 yrs, 12k...

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

Independent full-stack developer / technical architect skilled in: * Ruby / Ruby on Rails (from edge to legacy) * Scalable, decentralized (modular) applications architecture * Databases: relational (PostgreSQL, MySQL), NoSQL (Redis, Riak, MongoDB, Neo4j), big-data-specific (Google BigQuery, Amazon Redshift) * Background jobs processing: Sidekiq, Resque, delayed_job * Message queuing: RabbitMQ (AMQP) * Client-side tech (HTML5 / CSS3 / JavaScript [native / AngularJS]) * RESTful APIs implementation, integration with any third-party APIs, data harvesting from sites which do not provide an API * Social media integration (authentication, querying, publishing): Facebook, LinkedIn, YouTube, and more * Process: TDD/BDD with RSpec, Cucumber, Capybara, Zeus, Guard * Rails applications deploy, monitoring, maintenance: Heroku, Amazon EC2, Linode, Heroku) * Amazon Web Services infrastructure: EC2, S3, Glacier, Redshift,.. * Version control systems: svn, git (with GitFlow, GitHub Flow workflows) As a back-end technical architect / developer, I can develop scalable and stable multi-node server-side applications and also can evaluate your Ruby/Rails application and make suggestions on possible optimizations / refactoring / adopting best practices. As a team lead, I can divide, regroup, prioritize and delegate tasks to developers, consult developers on best practices, ensure high overal quality of software product. I like challenges, have solid skills of problem solving, do not require supervision to successfully perform my duties. Dependability is also one of my key strenghts (never left my work half-done / half-functioning). If my current rate fits your project's budget, contact me to discuss technical and other aspects — I'm looking forward to it.

$100.00 /hr
12,793 hours
5.00
Ketsia Poteau

Ketsia Poteau

Email Marketing

France - Last active: 2 days ago - Tests: 3

To obtain freelance positions in the email/internet marketing field. I have over 7 years of email and internet marketing experience including copywriting, web analytics, and basic sequel query functions. I managed over 20 weekly email campaigns, performed in-depth reviews to increase not only audience size but pageviews as well. I am also fluent in French.

$38.89 /hr
4,650 hours
5.00
Cameron Campbell

Cameron Campbell

Web Designer

United States - Last active: 4 days ago - Tests: 3 - Portfolio: 12

Design is about presenting your message to the world. Good design does this as simply and beautifully as possible. My goal is to help you present your message in a very modern and clean way; keeping the target market in mind every step of the way. Rather than get caught in trends, I prefer to focus on and perfect the fundamentals to make your site stand out. This includes: Clean designs based on a pixel–perfect grid, beautiful typography and well thought out color schemes. I work in Photoshop and Illustrator on the Mac to craft my designs. I create Responsive WordPress websites with lean, well–thought code in Coda. SEO and content–writing are also skills I bring to the table. Please feel free to view my personal site and contact me via the contact form: http://cameroncampbell.me *NOTE: I'm fully booked until April 27th. Contact me to be placed on the waiting list. Please, no template customizations or projects with under $2000 budgets*

Groups: LoginRadius
$50.00 /hr
1,268 hours
4.89
Merlijn B.

Merlijn B.

Freelance Translator (Dutch/English/Spanish)

Spain - Last active: 18 days ago - Tests: 6

My name is Merlijn and I'm a Dutch native freelance translator based in Spain. I hold a Bachelor's degree in Spanish Language and Literature from the Universiteit Utrecht and a Master's degree in Literary Translation from the Universidad Complutense de Madrid. I translate from both English and Spanish into Dutch and from Dutch into English. I'm also available for correction and revision of translations or articles. As a certified translator I will always deliver quality in a timely manner. Please have a look at the feedback I've received from other clients to get some insight in what they've liked best when working with me. As for translation experience, I've done many different subtitling projects, both films, documentaries and series. I have experience in literary translations, technical texts, such as manuals, tourism and travel brochures and websites, and webpages with a variety of topics. As you can see on my profile here, I've also been working for quite a while on a huge dictionary project. Besides translating, I'm currently also active as a certified English teacher on freelance basis both at an academy and private classes.

$42.00 /hr
820 hours
5.00
Andriy P.

Andriy P.

Senior Software Engineer (Ruby, Ruby on Rails, Jav...

Ukraine - Last active: 1 day ago - Tests: 8 - Portfolio: 4

Have 10 years of commercial software development experience. 6 years, I work with Adobe Flex 3/4 and AIR technologies. Using MVC, design patterns, PureMVC / Caingorm / Mate / Robotlegs frameworks, strong knowledge of performance issues solving, memory leaks, working with large data sets in Flex, custom components development, spark skinning. Last 4 years, I work as senior Ruby on Rails engineer. Using Ruby, Ruby Rails, Javascript / Coffeescript, CSS / SCSS, HTML5 / HAML, Bootstrap, Backbone, AngularJS, Handlebars, jQuery, Ajax.

$38.89 /hr
2,373 hours
4.91
Muhammad Asif

Muhammad Asif

Wordpress | Wishlist Members Expert | DAP Expert |...

Pakistan - Last active: 20 days ago - Tests: 4 - Portfolio: 19

I am expert in building websites using: Wordpress, Php, MySql, HTML/CSS, Technical Customer Support Management, Joomla, Woo Commerce, Wishlist members, Digital Access Pass (DAP), Optimize Press 1.0 and 2.0, Genesis Framework, Woo Framework.. Cloning and migration. Integration of 1shoppingcart, Premium Web Cart, 2co, Paypal Clickbank. Customization of: Aweber, MailChimp, GetResponse, IContact Form and setting up. I am a quality communicator and deliver project in time so far throughout the Odesk history. I have earned certificate for Woo Commerce sites setup and Creation and Managing Responsive templates.

$56.00 /hr
4,603 hours
4.99
Andrey B.

Andrey B.

html5/xhtml/css/css3 Developer, Smarty, Zend Frame...

Ukraine - Last active: 1 day ago - Tests: 3 - Portfolio: 31

I have over seven years experience of front-end. I live in Ukraine. Time zone GMT + 2:00. Completed over 1000+ projects, 250+ of them with implementation to the engine based on Ruby on Rails, Zend, Smarty, Codeigniter. Now my specialisation is a large projects (50+ models). I know how to properly organize work with a lot of styles. I am able to do modular structure of html elements. Whereby sites that I do becomes semantic constructor. This enables the project to grow freely. I can offer to you deep knowledge and experience of css3 animation, css3 3d transform, icon font creation, css sprites, data:uri, microformats. I know how make website load time and render time optimization. Specialties: HTML5, CSS2-3, jQuery, Zend/Smarty, Ruby on Rails Experience: HTML5/HTML/xhtml/CSS/CSS3 - excellent level (layers layout (div), semantically correct code, Handcrafted code) SASS, LESS, Stylus - fluency in Jade, Slim, Haml - fluency in SVN, GIT - fluency in jQuery - fluency in SVG, icon Fonts - fluency in Ruby on Rails, Zend, Smarty, CodeIgniter - layout implementation. I can write code right into sites engine, this save customers time and money. Photoshop - user level To create a page of average difficulty I spend 6-9 hours.

$44.44 /hr
253 hours
4.77
Alexey Pechnikov

Alexey Pechnikov

Computer Vision & Simulation, Algorithms & Statist...

Russia - Last active: 7 days ago - Tests: 6 - Portfolio: 7

I have a Master's degree in radiophysics and electronics. In addition to fundamental mathematics and physics knowledge I specialized in computer simulation and computer vision technics. My experience ranges from research to applications. I prefer simple solutions and reliable technologies. I make compact and fast applications having a vast background in producing firmware for embedded devices with relatively small RAM, slow CPU, and very long uptime. Cross-platform programming is not hard, it is the only way :) In addition, I am expirienced in full-stack development: C programming of RDBMS (SQLite), server-side programming (C/Tcl/shell scripting/etc.), client-side programming (Tcl/Tk), web programming (JavaScript, jQuery, HTML5, css), mobile programming (PhoneGap).

$49.99 /hr
268 hours
5.00
Humayun H.

Humayun H.

Expert iOS Dev

Pakistan - Last active: 2 days ago - Tests: 3 - Portfolio: 6

I'm an iOS developer skilled with all the tools required for the art of creating marvelous Apps. I have a passion to create wonderful and eye-catching Apps that appeal to both the users needs and senses. Having a Computer Science background, the basic blocks of designing and development come as second nature to me and that combined with my avid interest in exploring new techniques and technologies makes me someone you can count on to deliver quality products.

$60.00 /hr
1,443 hours
5.00
Maxim Vorobey

Maxim Vorobey

Senior Software Engineer/Architect

Russia - Last active: 2 days ago - Tests: 3

I am a web application developer specializing in PHP/JS with 15 years experience. strong OOP knowledge, MVC etc php, mysql, html, css, less, js, coffeescript twitter bootstrap, jquery, backbone.js, angular.js ajax, json, xml C/C++/Objective-C (just for fun) load balancing, big data, high traffic data scraping, data parsing saas, soap, rpc, rest phpunit, phpspec, tdd, bdd, xdebug symfony, symfony2, zend2, doctrine2, bitrix mysql, postgre, mongo (clustering, replications) memcached, redis, rabbitmq, sphinx ubuntu/debian/centos/archlinux/osx nginx, lighthttpd, node.js, apache2 git, mercurial, svn opengl, glsl api: paypal, facebook, twitter, livejournal, vkontakte, jira, mailchimp, mandrill, zendesk, amazon aws agile/scrum: jira, redmine

$69.00 /hr
2,254 hours
5.00