IT & Networking Administrators

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Andrey R.

Andrey R.

System Administrator

Ukraine - Tests: 1

I have more than seven years of practical experience in administration of the UNIX systems. Technology skills: cPanel/WHM, Plesk, ISPmanager; Apache, Nginx, Varnish, Squid; MySQL, bind, FTP, Exim, sendmail, dovecot, courier, CSF, iptables, NFS, R1soft, bash scripting, php 5.x, memcached/memcache, redis, APC, spawn-fcgi, php-fpm; OpenVZ, KVM, SolusVM; Nagios, Zabbix; WordPress, Joomla; AWS. Work Experience: Administration of the servers based on CentOS 5.x/6.x and Ubuntu 12.04 * Server installation/configuration/optimization * Server monitoring * Install/Update software * Backup (NFS, R1soft) * DDoS protection * Security

$22.22 /hr
2,344 hours

Ioannis M.

Ioannis M.

Challenged by custom coding

Greece - Tests: 2 - Portfolio: 1

Over the last 12 years, I have developed a wide range of business logic using PHP and MySQL including data handling from stockmarket, e-commerce, betting. My core competency lies in complete end-to-end management of a new development project, and I am seeking opportunities to build from the ground up for you or your business. Especially in the last 5 years, I am developing web application in Ruby on Rails. I also have good experience in the following areas: MySQL, Postgresql, XML handling and RESTfull apps . Looking for stable cooperation and a satisfy partner. I am always open for new challenges by participating in new ideas and fully customized coding pojects.

$20.00 /hr
258 hours

Mykola D.

Mykola D.

wide specialization

Ukraine - Portfolio: 1

I have been programming over 15 years. Studied all applications of programming, but had no job in C++, so i was working with databases and accounting system (development, programming, support e.t.c.) in production and retail. Now I want to be engaged in freelance creating web sites and web. But if any interesting kind of job will be like "Creating Apache module on C++" i will be interested.

$11.11 /hr
302 hours

Manoj Tiwari

Manoj Tiwari

Product/Sustenance engineering, Application Software Development

India - Tests: 3 - Portfolio: 2

My goal is customer satisfaction and building long term business relationship in a cost effective manner. Consistent track record of delivering project within the timeline and intend to maintain the consistency. Ability to solve complex issues. Have provided ongoing support and technical consultancy on mission critical projects. Have more than 15 years of experience in software development field, which includes core competencies in C/C++ and Java programming on Windows and Linux platform and SNMP Agent extension using Net-SNMP 5.x an open source software on Linux platform respectively. Also have experience in Grails/Groovy, JavaScript and Web Application development using Hibernate and Spring framework on the server side and dojo JavaScript Library on the client. A proactive and responsible team player. May be contacted for CRM implementation, Desktop Application Development using Java and C++, Windows API, Microsoft Foundation Class library and Web application development using Grails framework and/or Hibernate and Spring framework.

$21.00 /hr
136 hours

Jason S.

Jason S. & Web Consultant/Deverloper with an MBA

United States - Tests: 8

I am a Los Angeles-based consultant specializing in development, administration and integration. I have also completed my MBA with UCLA Anderson focusing on marketing, finance and IT/operations management. I have over 5 years of development and architecture experience in advanced administration, cross-platform integration, web integration and workflow process design. I have also designed and built integrations between and PHP websites, VerticalResponse and Marketo utilizing native integration tools as well as custom-development with the SOAP API. Unlike other "IT-only" contractors who do not have an MBA or a business background, I'm well equipped to advise your business or project on process engineering/design and business strategy. During my last 3 years at my previous employer, I used both my technical skills and business knowledge to build a new platform and business division adding 20% to annual revenues. As you can see from my profile, I have tested in either the top 10%-20% for, PHP and business strategy, marketing and management. Skills: Admin, APEX Development, Visualforce, Webservice API MySQL PHP HTML Javascript

$90.00 /hr
76 hours

Mate Gabri

Mate Gabri

GNU/Linux and BSD administrator.

Hungary - Tests: 1 - Portfolio: 1

I have 8 years experience in operating GNU/Linux and BSD based servers in a wide range of environments. I have experience starting from single machine LAMP/LEMP stacks to high availability distributed systems running hundreds of virtual machines and services. My expertise (and passion) is in solving complex problems efficiently. I don't mind if it is a Wordpress hosting performance optimisation project or it is the planning and deployment of a service running on a Docker based infrastructure. I am willing to deliver a working and stable solution tailored to your needs.

$20.00 /hr
63 hours

Daniel Guillermo Bareiro

Daniel Guillermo Bareiro

GNU/Linux and Unix system administrator

Argentina - 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
66 hours

Arkadiusz S.

Arkadiusz S.

Front-end Developer

Poland - Tests: 2 - Portfolio: 1

Hi there, I’m Arek! I am an passionate Front-end Developer and Architect from Poland. I help companies from Europe and USA write good quality, scalable software. I can do my best at front end topics: - Python and Django (as backend) - Backbone.js / Marionette - Twitter Bootstrap - JavaScript (Phonegap, node.js, winJS and many smaller libs.) - SCSS, LESS and CSS3 (performance, resposive design, scale) - Jasmine - unit tests In my workflow I prefer to use GIT. Please feel free to ask me a question. I can send you some code from my previous work.

$50.00 /hr
20 hours

Amaouche K.

Amaouche K.

Microsoft Dynamics CRM Technical and Functional Consultant

Algeria - Tests: 4 - Portfolio: 4

A Certified Microsoft Dynamics CRM Consultant with extensive 6 years of experience in Microsoft Dynamics CRM implementations and extension in different business sectors like Manufacturing, Banking, Insurance. My aim is to provide the best solution to my customer to fulfill their business requirement. CRM Versions: 1. CRM 2015 2. CRM 2013 3. CRM 2011 4. CRM 4.0 Certification: Microsoft Dynamics CRM 2011 Customization and Configuration Sep 10, 2014 MB2-632 Microsoft Dynamics™ CRM 4.0 Applications Jan 31, 2011 528 TS: Microsoft .NET Framework 2.0 - Web-based Client Development Jun 01, 2009 432 Microsoft SQL Server 2008, Implementation and Maintenance Apr 05, 2011 431 TS: Microsoft SQL Server™ 2005 - Implementation and Maintenance Jun 29, 2009 229 Designing and Implementing Databases with Microsoft SQL Server™ 2000 Enterprise Edition • Expertise in implementing CRM solutions to help companies to become more productive using Microsoft CRM as a development platform. • Strong experience in Plug-in writing, custom workflow development, Javascript coding, HTML programming, sharepoint integration, Webservice integration, SSRS reporting. • Strong experience in system & business analysis, designing, implementation, system migration & development of business applications using N-tier architecture with Microsoft Dynamics CRM • Advanced skills in integrating and implementing Microsoft Dynamics CRM 2013/CRM 2011/4.0 with, C#, XML, HTML, JavaScript, SQL Connectors using ADO.NET applications • Providing training on MS CRM (Basic/Advanced) to End users, new comers. • Complete problem solving and troubleshooting abilities • Integration with dynamics Nav using dynamics connector I’m well versed with: • Business and Requirement Analysis • Plug-g, Workflow, Outlook & Web service Integration development • System & UI Design • Customer Interfacing • Project Management • SQL Server Database design and implementation. • Jet Report.

$25.00 /hr
404 hours

M Faisal Nurnoby

M Faisal Nurnoby

Software Developer (PHP/ Codeigniter/ Symfony)

Bangladesh - Tests: 2 - Portfolio: 4

Currently developing few HRIS applications with CodeIgniter/ Symfony for some local & overseas companies. Looking for a potential Clients for software development and thus to broaden the horizon of experience. I believe in my competencies and ultimate success, which can only be achieved through best in class development for clients.

$13.89 /hr
472 hours