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Christian Gutierrez Sierra

Christian Gutierrez Sierra

Real Time Driven Developer

Colombia - Tests: 3 - Portfolio: 2

I have been working on several fields of technology, starting with Unix Servers Management for differents services including VoIP with Asterisk in which I developed many solutions using Dialplan, Asterisk Gateway Interface and Asterisk Manager Interface. I developed many scripts using Bash Scripting, PHP and Python. I had used MySQL, PostgreSQL, SQLite, Oracle and MSSQL. I decided to move to development and I started developing Web Applications with Java and PHP. I met Node JS developing a RealTime Web Application and using the Express framework, MongoDB and connected to Asterisk Manager Interface. I have been working with Node JS from this moment. Currently I'm working with Python using Django framework, NodeJS with Coffeescript and Javascript connected to several backends like Celery Framework, RabbitMQ, Redis, MySQL, etc.

$30.00 /hr
2,837 hours

Timur Birsh

Timur Birsh

Unix Systems Expert and Oracle DBA

Kazakhstan - Tests: 7

Hello, Over the last 15 years, I am working with the following Unix systems: BSD based systems, Solaris and Linux distributions including Debian, RedHat Enterprise Linux, CentOS, Oracle Linux and Ubuntu. Over the past years I have developed a wide range of solutions: VPN, proxy, mail, web, file, Samba, DNS, DHCP, SSO, database, monitoring, backup, virtualization and high availability servers. I am Oracle DBA with the 5 years of experience. I work for financial institution. On my control a 21 databases. Mission critical and big databases runs on the IBM hardware and AIX operating system. Other databases runs under control of Solaris (SPARC) and Linux operating systems. For data protection we use Data Guard. One of the best products of the Oracle is Enterprise Manager Cloud Control. We use it for the databases and hosts monitoring. Its management repository contains a lot of information. It is very useful in building of custom applications (reports, etc). I have work experience with the following Oracle RDBMS versions: 8i/9i/10g/11g. I am big fan of a tasks automation. For small jobs I use shell scripts. For jobs that have complex logic I use Python or Perl. For complex text processing I use awk, sed and shell scripts as a glue. I have 5+ experience of C language programming for Unix. Hardware administration of the following vendors: Oracle (Sun), HP, Dell. I am contributor of the following free software projects: Debian (, Transmission Bittorrent Client, inadyn Dyndns client. I maintain the following opensource programs: * sXid - * cd-discid - I use Git for source code management. I would be happy to help you. Please do not hesitate to contact me.

$33.33 /hr
18 hours

Viktor I.

Viktor I.

pleasures in life: design / programming / airsoft

Ukraine - Portfolio: 5

I am a flexible and determined developer with over 5 years of experience working on a multitude of web development, which began their work in accordance with the stringent requirements of government agencies to the quality, performance strictly on time, high responsibility for the outcome. Success of my projects of different complexity and scope gave me confidence in the high quality of the services that I can offer as a freelancer. Speed, quality and creativity are my words. Why choose me? - I have over five years of experience working with stringent requirements to the quality, performance strictly on time, high responsibility for the outcome, strong discipline; - I am very committed to my projects and I focus on quality-driven development; - I am an individual freelancer

$15.00 /hr
4 hours

Rolandas S.

Rolandas S.

Trusted Freelance IT engineer


I am a trusted freelance IT engineer with Fourteen Years Experience of using PHP, MySQL, PostgreSQL, JSON, AJAX, Linux, Google Maps API, subversion, git, HTML and CSS, SPARQL. I have strong skills of Database Design, Problem solving, Web scraping, web hosting administration and Cron Jobs. My motto - "Life is full of challenges and surprises".

$16.00 /hr
1 hours

Millie Lutz

Millie Lutz

Fiction/Non Fiction, Article, Business/CopyWriting

United States - Portfolio: 11

Fiction and Non-fiction author. Experience in research, copywriting, proofreading, resume and article writing. Fiction novelist with emphasis on Clean & Wholesome Historical Romance. Extensive period and location research. Debut novel 'Patina' available on Amazon Sept. 4th. Owner/author of a historical non-fiction publishing company, with considerable experience in page design, content writing, and ancestral/historical research. Expo experience w/PowerPoint and print promotional material creation. Previously a district manager over three counties for a national non-profit; working closely with volunteers, donors, businesses, government officials, and the general public. Prior owner/operator of a laundry service performing or monitoring all aspects of the business: human resources, accounting/collections, promotional materials/marketing, cold calling/sales presentations, and product processing as needed. Skills included ability to relate to all levels of clients, staff, and execu

$11.26 /hr
3 hours

Ilya O.

Ilya O.

Android Developer

Russia - Tests: 3 - Portfolio: 2

Reasons to hire me: * my goal is a satisfy you needs due to my specialty * actually i like my work * highest quality * I am friendly and sociable Skills what i have: * Programming Languages: Java, Python, Ruby, Lua * Android Development skills * Git, Subversion * Setup linux software and services * System administration

$5.00 /hr
3 hours

Rashid Ali Khan

Rashid Ali Khan Agency Contractor

Senior Software Engineer (DOTNET)

Pakistan - Tests: 6

I have been developing systems in .NET Technologies for last 7 years. I have participated in the development of both web and desktop based applications of variety of nature. I took part in the development of reporting module of a product named eTarget which is a CRM based application used by various clients in UK. I have also developed a utility which is currently in use for synchronizing the data of two databases to enable desktop application and website to work on the same data in parallel. I have also participated in the development of web based system for Pakistan Customs, which is currently in use, by using ASP.NET and SQL server 2005. I have mainly used C# and VB.NET as programming language, .NET as framework and SQL Server 2000/2005/2008 for databases. I can handle the projects which involves development in C#, VB.NET, ASP.NET and SQL Server 2005, 2008.

Groups: AspDotNetStorefront

$17.78 /hr
9,493 hours

Ankur Bansal

Ankur Bansal Agency Contractor

R, SQL, Excel VBA Modeler - Specialist Modeling, Statistical Analysis

India - Tests: 5 - Portfolio: 5

I am an engineer from IIT Delhi and have worked for 8+ years as a process modeler and automation engineer. I have strong appetite of mathematics, statistical & analytical techniques and can work with ease on tools like Excel Data Analysis, SQL R-Project. I can provide support in creating models for engineering and business process from scratch. My expertise are in data modeling, process automation, statistical analysis and design. Please check detailed work history on my website

$30.00 /hr
560 hours

Rana Muhammad Iqbal

Rana Muhammad Iqbal Agency Contractor

Expert Drupal Developer

Pakistan - Portfolio: 10

FIGOVER is a Web Development Team. FIGOVER is a team with an aim of providing web development to client in today's highly competitive, and innovative environment. We are skilled in PHP, MySQL, Jquery, HTML and CSS. We focus on the following areas: * Drupal * Drupal 7 * MySQL Administration * PHP * CSS * HTML * Javascript * jQuery * Ecommerce * LAMP We develop Drupal Themes and Modules, develop shopping sites using Ubercart. We also provide support to Drupal community. We will work with you to develop your web presence and make sure you have the right online features to accomplish your goals.

$15.00 /hr
108 hours

Tusk Software

Tusk Software Agency Contractor

Agile, American based web-centric .NET development

United States - Portfolio: 3

Finding a software development partner is a headache. At Tusk, we want to make that process easy for you. Our passion is bringing your ideas to life and delivering an excellent customer experience along with excellent quality. Our expertise lies in enterprise ASP.NET development, and our processes allow us to deliver the most business value to you in the shortest amount of time. We can take web applications further than you imagined possible, unifying desktop, tablet, and mobile under a single platform. More often than not, we find that we can replace your need for a native mobile or desktop application with a web based solution, which not only increases accessibility to your software, but ultimately saves you time and money. We'd love to talk with you and see how we can make your concept a reality.

$110.00 /hr
61 hours