Network & System Administrators

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Juan Manuel Mejia Correa

Juan Manuel Mejia Correa

WEB and DBA professional

Colombia - Tests: 1

Over the last 4 years, I've been working as a software developer and consultant which gives me knowledge and experience in some of the most cutting edge technologies and methodologies. I have experience working with .Net C#, JQuery, Javascript, Ajax, LinQ to SQL, Spring, HTML, XML, Bizagi, BPM and many more. I also have worked with several design patterns approachs such as MVP and MVC. I'm fully compromised with following the best practices in all scenarios in my work to achieve the best quality and deliver excellent products.

$22.22 /hr
2,125 hours

Miguel G.

Miguel G.


Dominican Republic - Tests: 2 - Portfolio: 1

I am a salesforce administrator-developer wanting to learn and resolve problems. I am a very proficient English speaker,writer,and reader. I like to resolve users concerns and issues, making them feel satisfied with the work and I like to continuously keep up with the projects that I'm doing trying to find a way to better them and make the user feel comfortable. I am an experienced programmer in Java,C,and C#. Also I have managed different type of database managers like Oracle,MySql,Postgresql,and SQL. I also have skills as System Administrator in Linux Operating system.

$25.00 /hr
2,344 hours

Rui Pimentel

Rui Pimentel

Web Developer with more than 8 years of experience


Looking for a fast, viable and cheap web application? I have the solution for you! I'm an expert with more than 8 years of experience in development of all kinds of web applications, using PHP, Mysql, HTML 5, CSS 3, Jquery/Ajax... My main area is Web Crawling, based on PHP + cURL scripts developed from source, having already worked in thousands of different crawlers. Contact me, and I can assure you wont regret!

$12.79 /hr
2,454 hours

Rodney Caston

Rodney Caston Agency Contractor

OSCP - Penetration Tester, DevOps Engineer

United States - Tests: 3

OSCP - Offensive Security Certified Professional I have over twenty of years experience in linux systems administration and development, having managed large environments composed of many thousands of systems. I believe I bring with me a valuable perspective on how to provide solutions for efficiently managing extremely large, and distributed environments without scaling headcount. Some of my accomplishments include having built site reliability/network operations centers from the ground up, from the development of the fault and performance management systems to the management of the staff. I have built up and administered large scale email infrastructures which would send and receive millions of emails daily. I have managed datacenter migration projects consisting of thousands of servers running live services. I have extensive experience in the online gaming industry, focusing on adminsitration, server engineering, and DevOps. I have even worked in a creative capacity as a writer and creative designer in the past, having co-created the MegaTokyo™ intellectual properties. Given the variety of roles I've had in my career, I consider myself a jack-of-all-trades. What I enjoy most is being able to provide value to the organizations that I am able to support, regardless of what role that places me in at the time. Specialties: Amazon Web Services, Apache, Backtrack 5, Bind/DNS, Cacti, Chef, Cloud, Drupal, Elasticsearch, Ganglia, Glusterfs, HAProxy, Heartbeat, Kibana, LDirectord, Linux (Ubuntu, Debian, Redhat, CentOS, Kali), Logstash, Memcache, Metasploit, Monit, MongoDB, MRTG, Munin, MySQL Server, Nagios, Netcool, Nginx, Offensive Security, OpenVAS, OpenVPN, OSSEC, OSX, Penetration Testing, Postfix, PowerDNS, Puppet, Ruby, RRDTool, SAN, Samba, Sendmail, Shell Scripting, Splunk, Squid, Syslog, SMTP, SNMP, SSL, Squid, TCP/IP, VMWare, Windows, and Xen.

$91.11 /hr
1,634 hours

Wilson P.

Wilson P. Agency Contractor

C/C++/OpenGL/Network Programmer

India - Tests: 3 - Portfolio: 5

I am a C/C++ programmer with fair experience in Java and HTML/CSS/Javascript. I specialize in algorithm intensive game physics and ai, desktop applications using wxWidgets, machine learning and C++ based web development targetted for ASPs. Over past 2 years I have 1) Developed from scratch the physics and character maker for a 2D massively multiplayer game. 2) Developed Opensource web application framework in C++ which implements the fastcgi protocol and is designed to solve the c10k problem. 3) GUI for several desktop trading applications using wxWidgets.

$22.22 /hr
2,883 hours

Kristoffer Santos

Kristoffer Santos

SEO Manager


Kristoffer Santos currently works as a SEO Manager. He has been in the industry for 7 years now. He does have an experience in search engine optimization from keyword research & analysis, site analysis to link building campaign. He is highly motivated with strong personality and has a sense of responsibility. He is an excellent team member and a leader with a good planning and project management. He manages client's business websites and reputation standing of client's business site. Has expertise on the On-page and Off-Page Optimization. Proficient in Wordpress, Webmaster Tools, Google Analytic, MS Office and excel, Rank Tracker, Raven Tools, Scrapebox, Dreamweaver and Photoshop. Excellent in client's report creation and recommendations. He handles various client niches such as Home, Technology, SEO, Entertainment, Medical, Health and Fitness, Fashion, Business & Finance, and Travel to name a few. He can also manage local SE Optimization. Outstanding strategies and techniques on the Post-Panda and Post-Penguin Updates. Website Analysis * Code Optimization * Information Structure Optimization * Content Optimization Area of Expertise (On-Site Optimization): 1. Keyword Research 2. Extensive Site Analysis 3. Meta Tags Optimization 4. Competitor Analysis 5. Content Optimization 6. Website Audit 8. Image Optimization 9. Sitemap Creation 10. RSS Feeds Creation 11. Integration 12. Local SEO 13. Link Audit Area of Off-Page Expertise: 1. Manual Submissions 2. High Quality Links (100%) 3. Guest Posting / Sponsored Post He has a basic knowledge in (PPC)Pay-Per-Click Campaign a. Google Adwords b. Microsoft Adcenter c. Social Media Ads and Affiliations Technical Expertise: • Proficient in Microsoft Windows 7, XP/Vista and Microsoft Office Applications (2007), HTML, Web 2.0, DreamWeaver, Bookmarking Demon, Thunderbird, SEnuke X, Scrapebox Specialties: Keyword Research, Competitor Analysis, Site Analysis, On-page Optimization, Off-page Optimization (Post-Penguin Link Building), Local SEO

$14.44 /hr
1,584 hours

Matthew Hedrick

Matthew Hedrick

Computer Technican

United States - Tests: 4

I have 20 years of computer experience in the US Air Force and have have been building and repairing computers since the early 80's. I also have 15 years experience in Emergency Management I can create forms, reports, presentations using Microsoft; Excel, Word, and Power Point. Can trouble shoot hardware problems and walk people through how to fix the problem.

$16.67 /hr
4,158 hours