Other Software Development Freelancers

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  1. Daniel Guillermo Bareiro

    Daniel Guillermo Bareiro

    GNU/Linux and Unix system administrator

    Argentina - Last active: 1 day ago - Tests: 2 - Portfolio: 2

    I manage and use free/open source software and GNU/Linux (most experienced Debian) since 2000. I have also participated in numerous conventions related to these themes (some of them as speaker) and collaborating with the discovery of bugs in applications for contribute with the community. Specialties: Networks and operating systems security, monitoring technologies. Advanced knowledge of GNU/Linux environments and virtualization platforms. LANs, WANs, VPNs, Firewalls, TCP/IP. Description of services: ---------------------------------- Servers: ====== Installations, configurations and maintenance plans for servers running GNU/Linux or free BSD operating systems range. * Planning, installation and configuration of GNU/Linux systems as both free and open source systems. * Installation, configuration and maintenance of servers of BSD range: FreeBSD and OpenBSD. * Print servers. * Mail servers with spam and virus filters. * Proxy servers. * Fax servers. * Corporate instant messaging servers. * Install and configure DNS servers. Procedures for domain management. * Management servers for uninterruptible power supplies. * Web servers (Apache, PHP, MySQL and PostgreSQL). * Database servers (MySQL and PostgreSQL). * DHCP servers. Networks and Infrastructure: ===================== Installation, maintenance and failure analysis of networks. High-availability systems, mass storage, remote backup, and monitoring equipment and services. * Installation and maintenance. * Firewalls. * VPNs. * DMZs. * RAID, SAN and NAS systems. * Implementation of VoIP telephony systems. * Virtualization systems (for production systems, development and testing). * Remote backup systems. * Monitoring systems. * Control, preventive analysis and resolution of faults in networks. * Installing and configuring high availability clusters. Consultancy: ========== My main goal is to provide a work environment based on trust, integrity and transparency, in order to become your strategic partner to help you realize your projects. My experience in the field of free/open source technologies allows me to offer a wide range of consulting services for your business, which include audit and analysis of systems, applications and networks, migration to free and open source systems, and systems integration, among others. * Migrating to free and open source systems. * Network analysis. * Security analysis. * Configuring applications. * Systems integration.

    $36.67 /hr
    34 hours
    4.92
  2. Sergei Kintsel

    Sergei Kintsel

    Ruby on Rails/AngularJS/Ionic developer

    Russia - Last active: 19 hours ago - Tests: 6 - Portfolio: 3

    _  I am a passionate Ruby on Rails/JavaScript programmer and analyst working through TDD and BDD. I have 4 years of experience in developing web applications. My main skills are Ruby on Rails, Sinatra, CoffeeScript. In my projects I've used JS Frameworks like Backbone.js and AngularJS. I have big experience in creating mobile applications based on Ionic Framework. I am good in both HTML5 and CSS3. I've been working on Responsive and Flexible layouts. I have been working with much count of databases including relational, document oriented, graph databases. For example: MySQL, PostgreSQL, MongoDB, Neo4j etc. I pay great attention to provide regular communication with my customers being online as long as possible every day. While I work on a project my main task is providing great fast flexible software and make my client be happy with the results.

    $44.44 /hr
    1,962 hours
    4.50
  3. Pete Littlewood

    Pete Littlewood

    Web Applications Developer

    United Kingdom - Last active: 6 months ago - Tests: 7 - Portfolio: 3

    I primarily develop bespoke web applications and systems that integrate with desktop applications, however have used my web programming skills to create custom web scraping/data mining utilities for a variety of clients, both on oDesk and offline with other clients. I am strongest coding with web technologies such as PHP, Ajax, jQuery etc however have also completed tasks in lesser known languages such as Coldfusion. Away from web development I am also a proficient Visual Foxpro developer and currently in the process of progressing in C# which is one of the most popular desktop programming languages currently.

    $17.78 /hr
    86 hours
    5.00
  4. Vasily S.

    Vasily S.

    Project Manager with development and system administration skills

    Russia - Last active: 12/11/2010 - Tests: 4 - Portfolio: 3

    I'm IT geek and from 2004 I developed a huge amount of various software products and services. Most of all I'm experienced in Product and Project Management, Ruby and Ruby on Rails development and Linux administration. If you need a man to solve tough technical or architectural problems you are welcome.

    $50.00 /hr
    14 hours
    5.00
  5. Anatoliy V.

    Anatoliy V. Agency Contractor

    Full Stack Web Developer

    Ukraine - Last active: 1 day ago - Tests: 8 - Portfolio: 7

    I have consistent experience of 6+ years in Web Development. And overall experience with Internet and PC more than 20 years. My first site I've created 15 years ago. I have following knowledges & experience: Front End development: • Pure HTML & CSS responsive design coding (using media queries, etc.) • Coding responsive HTML layouts using frameworks Zubr Foundation and Twitter Bootstrap • Using popular components: sliders, carousels, etc. Possible to make modification in design and in workflow. • Pure JavaScript coding (Vanilla JS), and coding using jQuery, jQuery UI. • Coding jQuery plugins (multi-instance and accessible by element after init) • RegEx, Ajax, JSON, XML. Back End development: • PHP coding • Wordpress: plugins, templates, experience with coding themes for Theme Forest • MySql, PostgreSQL, Sqlite databases • HTTP protocol - requests, responses, headers, codes, mimes • Laravel Framework, Kohana Framework, Codeigniter Framework • Prestashop, Joomla (templates), Magenta (templates) • Experience with custom hand-made CMSs • Developing RESTful Web Services API (XML, JSON) • Composer and Packagist for project package dependencies • Experience with popular social networks API (Google, Youtube, Twitter, Facebook, Vimeo, Instagram, Vine) • Knowledges in different payment system APIs (Paypal, Stripe, Fastspring, Webmoney, Yandex Money, LiqPay) Additionally I have experience in following: • Linux based OS server administration • Apache, Nginx, SFTP, PHP-FPM secure virtual hosts server configuration • Photoshop - experienced user • Android Java applications development (some basic knowledges, several app developed, just to enlarge my scope, not my main area) • Delphi development for Windows (some experience, but was long ago, not my main area)

    Groups: Coding Champs

    Associated with: AZELAB

    $23.00 /hr
    2,296 hours
    4.98
  6. Petru C.

    Petru C. Agency Contractor

    Web Application Architect / PHP - Symfony Specialist

    Romania - Last active: 9 days ago - Tests: 2 - Portfolio: 5

    - Full stack web application developer / web application architecture - IT consultant specialized in enterprise web application development using PHP frameworks(Symfony, Zend, Propel, Doctrine) and Javascript frameworks (AngularJS, JQuery) - SPA, SAAS architecture and modern design patterns evangelist - User and supporter of Open Source Technologies - Debian Linux fan & promoter - Experienced in SEO/SEM (Search Engine Optimization/Search Engine Marketing) and building SEO/SEM tools - Data wizard - integration of 3rd party data systems (requesting/parsing/deploying data) - Well-versed in Internet Marketing tactics and online advertising - Huge fan of XP (Extreme Programming) philosophy and Agile Development practices Specialties: Programming languages(and related): - PHP ✔ - PL / SQL ✔ - HTML5 / XML ✔ - CSS ✔ - JavaScript ✔ - Shell scripting ✔ Frameworks: - Symfony ✔ - Propell ✔ - Doctrine ✔ - ZendFramework ✔ - AngularJS ✔ - JQuery ✔ - AutobahnJS ✔ Platforms and technologies: - Ajax ✔ - Web Sockets ✔ - MySQL ✔ - PostgreSQL ✔ - MongoDB ✔ - SVN / CVS ✔ - Apache ✔ - REST / SOAP / XML-POST / XML-RPC ✔ - CMS/BLOGS(Wordpress) ✔ - PayPal SDK and API integration ✔ - Linux(Debian, RedHat/Centos, Ubuntu, OpenSuse) ✔

    Associated with: AtomPulse Works

    $30.00 /hr
    0 hours
    5.00
  7. Pavels J.

    Pavels J.

    Highly skilled C/C++/Linux server-side developer

    Spain - Last active: 5 days ago - Portfolio: 1

    Highly skilled C / C++ / Python server-side developer, with over 12 years experience. My area of interests is in developing high-available, multi-threaded, high-performance Linux network applications. I'm the lead developer, maintainer and the active participant of several popular OpenSource projects.

    $60.00 /hr
    2,470 hours
    4.77