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Last updated: October 1, 2015
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Maxim Tsoy

Maxim Tsoy

Experienced Python Developer and Security Researcher

Russia - Tests: 7 - Portfolio: 2

1. Python development: Rich experience in distributed Python applications and web applications development using Django, Pyramid, and Celery. Released several mobile Python applications (kivy). 2. Security Assessment: I have a huge experience in vulnerability research and security assessment (currently this is my main occupation). Reached the top in many hacking contests, including DEF CON CTF. I usually specialize in web application security, however, I am experienced in network, database, cryptography and other security areas. Disclosed security advisories for many vendors including: - Cisco - Citrix - Yandex (Entered Bug Bounty Hall of Fame) - SAP - Qiwi 3. Game Development: Have an experience in game design and development using Game Maker Studio.

$75.00 /hr
249 hours

Muhammad Sahputra

Muhammad Sahputra Agency Contractor

Solution Architect and SysAdmin Specialist

Qatar - Tests: 1

I have more than 10 years experience dealing with system administration, spending most of the time maintaining, designing, and troubleshooting. Managing server farm and working with various people from different countries. My core competency lies in complete end-to-end management of a new software development project as well as DevOps, and I am seeking opportunities to work on challenging project from the ground up. My goals not only finishing the objective task given by client, but also understanding what the client need and if possible to give some suggested solution to make their system better. I also learn new stuff quickly. So, either you have requirement to design support system for your new shiny application / product, or having issue with current existing live production system, feel free to contact me and give some test first to make sure that my competence will satisfy your requirement. Skills Summary: - System Administration: Linux, Solaris - Programming Language: Ruby, Java, Shell Scripting, Python, R. - Programming Framework: Ruby On Rails, Sinatra. - System Orchestration: Capistrano, Chef, Puppet. - Cloud and Virtualisation: Google, AWS, Digital Ocean. - Bigdata: Hadoop and Its Ecosystem (ZooKeeper, Hive, Pig, etc), MapReduce, Cloudera + MapR + Hortonworks. - IT Security: Penetration Testing, Ethical Hacking. Cheers

Associated with: Curphoo

$10.00 /hr
194 hours

Reem B.

system admin


I'm currently working at University of Tartu in cloud computing field OpenStack, and i was working previously as Linux / window system admin, i have experience in technical support as freelancer since 2002.have knowledge in Database, SQL. Also my study was Computer Engineering so I know in Electrical/Electronic Engineering. I was designing implementing electronic circuits. I also took technical course in PLC design. I was studying embedded system last semester I was using AT&T and Arduino boards to write software for driving stepper motor.

$12.00 /hr
0 hours

Afzalul Haque

Afzalul Haque

Python addicted script junkie, WebDev, SysOp with focus on Security

India - Tests: 6

I prefer coding in Python, but am well versed in several languages including Java, PHP, C. Would love to code backends. Quite nostalgic about simple algorithm challenges (TopCoder anyone?). Apart from these general flair, have some experience in pentesting and reversing. I regard security as the first concern, and believe to protect from evil, you must know the tools of their trade. I don't stop till I provide what the employer wants, for which, I generally prefer an employer who knows what he wants. I look forward to learn and re-innovate in any task.

100% Job Success
$20.00 /hr
277 hours

Stamatis Kekes

Stamatis Kekes

Senior system administrator and PHP - C - Perl developer

Greece - Tests: 11 - Portfolio: 2

Very skilled Unix system administrator, with lot of experience in Linux ( Centos, Redhat, Fedora, Ubuntu, Debian, Gentoo, Slackware ), Solaris, xBSD ( FreeBSD, OpenBSD), vpn ( openswan - ipsec, openvpn, l2tp, pptp ), clustering ( LInux Virtual Server, Linux HA, vrrp, Solaris Cluster ), cloud computing, load balancing ( f5, haproxy ), VoIP ( asterisk ), databases ( MySQL, PostgreSQL), LDAP, web services ( Apache, Nginx, varnish ), security ( penetration testing, firewall policy design ), control panels ( CPanel, Plesk, Virtualmin, Ensim ), Virtualization ( VMWare Virtual infrastructure - VSphere, amazon EC2 ). As for Developing I am very experienced in C, PHP, Perl, javascript, ajax and many more to list.

98% Job Success
$16.67 /hr
1,838 hours

Taibouni Abdel Hafid

Taibouni Abdel Hafid

Hacking&security , Web programmer,Web Designer , Softwar&script

Germany - Tests: 5 - Portfolio: 3

Over the last 5 years, I have developed a wide range of websites using HTML,CSS, PHP, and MySQL including sites for startup companies and small businesses. My core competency lies in complete end-end management of a new website development project, and I am seeking opportunities to build websites from the ground up for you or your business. Fast Developer : PHP,HTML/xHTML,CSS,MYSQL,JAVASCRIPT,AJAX -PSD to XHTML / HTML5 -Website Development with html5 & css3 for all browser Softwar & script: - PHP scripts - Python scripts (iRC Bots, web bots ,...) - Security and penetration testing - C++ and Qt lib

100% Job Success
$25.00 /hr
22 hours

Shadab Shaikh

Shadab Shaikh

Lead Automation/Manual QA tester

India - Tests: 5 - Portfolio: 4

Dear All, My name is Shadab Shaikh, I am a web & Mobile app tester with 9+years of hands on experience in TESTING Web & Mobile Applications. I offer a five point promise so that you will know what to expect: * I'll listen to you: that's the best place to start in understanding your objectives * I'll avoid geek speak and talk to you in plain English * I'll use a common sense approach that's based on your business, not my agenda * I'll think outside of the box and encourage you to do so too * I'll be here whenever you have a question I use all the latest testing tools and techniques. I have strong knowledge of SDLC and different types of testing mythology (Black box testing, Regression, Smoke, sanity testing). I am very much familiar with ad hoc & Scrum (agile) testing mythology . I am using bug tracking tool mantis, Jira, Unfuddle, basecamp, Bugzilla. I have knowledge of W3C valid XHTML and CSS. After testing your application, I will write a report on found bugs and suggestions with screenshots and steps to reproduce them. So, you will have all necessary information to make your application the most stable, functional and user-friendly.

100% Job Success
$11.11 /hr
1,024 hours

Tushar K.

Tushar K.

Development and Testing

India - Tests: 2 - Portfolio: 9

5+ years of extensive experience in Manual and Automated testing of Client/Server, N-tier Distributed Architecture, Web-based, Mobile and Desktop Applications with focus on System Analysis, Verification and Validation. As a Quality Assurance and Principal Quality Control Consultant, over the years I have tested a wide range of web based, client-server, windows-based and multimedia applications, mobile applications. - Expertise in Manual and Automation Testing on Web based and Software applications. - Efficient in Smoke Testing, Black-box-testing, Regression-testing, Functional-testing, Usability-testing, Database-testing, User acceptance-testing,Load Testing,Security Testing, Cross-browser Testing - Checking compliance with requirements, finding defects, logging and tracking them, performing validations of fixes and regressions, logging enhancements, creating documents/tools to improve the testing processes - Expertise in all stages in testing SDLC (i.e,Scheduling, Test design which includes test case design, test execution, testreporting by using test summary report then analysis of the found defects). - Expert in Security Testing of web applications to test Web Security Vulnerabilities. - Well dressed with the MySQL to do back-end testing of web applications. Hands on experience of Test Planning with effective skills of Test Case development along with Scenario Matrix. - Tools: QTP, Selenium(Open sources), Mantis So, you will have all necessary information to make your application the most stable, functional and user-friendly.

85% Job Success
$11.11 /hr
457 hours