Network Security Developers & Programmers

Showing 357 freelancers

Network Security Developers & Programmers

Showing 357 freelancers

  • Software Engineer.

    I have extensive experience developing Software using Delphi,C#,C++, JAVA, PHP, MS SQL and MySQL. I also have many years of experience developing desktop applications with C/Win32, C++/MFC, COM, C#, VB 6.0, and VB.NET. I … more

    I have extensive experience developing Software using Delphi,C#,C++, JAVA, PHP, MS SQL and MySQL. I also have many years of experience developing desktop applications with C/Win32, C++/MFC, COM, C#, VB 6.0, and VB.NET. I am seeking new opportunities to create software application from scratch or to add advanced functionality to pre-existing softwares. I'm also interested in creating desktop and mobile applications in any language that your project requires. Various .NET related skills include: WCF, WPF, Workflow Foundation, MVC, ADO.NET Entity Framework, LINQ, LINQ to SQL, LINQ to XML, COM and Win32 interoperability. C++ skills: STL, templates, data structures, analysis of algorithms, interprocess communications, multithreading and parallelism with Windows Threads, Intel Threading Building Blocks and network programming with WinSock using TCP/IP and UDP. Mobile skills: Development of Windows and Android phone apps. Enterprise services development skills: asynchronous order processing with MSMQ and Windows Services, distributed transactions. Management/Finance Skills: Accounting, Inventory, Trading, Microsoft Navision, Metatrader 4, mql4 Miscellaneous skills: AJAX, jQuery, SVN, CVS, Git, Security/Hacking .. Preferred OS: Unix, OpenSource Mind .. Hobbies & Research : Automatism, Robotics, NAO, NXT 2.0 , V-REP, OpenCV ..  less

    c# .net-framework linux-system-administration java php perl delphi c++ microsoft-dynamics eclipse microsoft-visual-studio embedded-systems tcp-ip mysql network-security drupal elgg ffmpeg android-app-development html css ajax jquery javascript robotics opencv sip facebook-api twitter-api skype-development linkedin-api uml agile-software-development svn cvs git multithreaded-programming socket-programming mql4 sql 00 more less
    • $22.22 HOURLY RATE
    • 4.9
    • 111 HOURS
    • GERMANY
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 4 TESTS
    GROUPS:
  • Senior Automation QA / Selenium / ISTQB / Load / Performance

    I have about 7 years of QA experience. I started as a tester and now I am Senior QA. I have a big experience in automation testing using different solutions and practises(Selenium Webdriver, MS CodedUI, Telerik WebAii, CI, BDD … more

    I have about 7 years of QA experience. I started as a tester and now I am Senior QA. I have a big experience in automation testing using different solutions and practises(Selenium Webdriver, MS CodedUI, Telerik WebAii, CI, BDD etc). Also I've performed the development process streamlining, requirements creation, managing of human resource, test documentation development, etc. I passed successfully ISTQB Foundation level exams and received ISTQB certificate.  less

    selenium-webdriver java software-testing continuous-integration ruby automated-testing test-automation jenkins performance-testing load-testing cucumber jmeter manual-testing testng-framework software-qa-testing test-case-design c# telerik bdd scrum linux-system-administration atlassian-jira test-driven-development penetration-testing agile-software-development regression-testing redmine usability-testing black-box-testing web-testing functional-testing testcomplete network-security user-acceptance-testing sqa 00 more less
    • $22.21 HOURLY RATE
    • 5.0
    • 8772 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 9 PORTFOLIO ITEMS
    • 2 TESTS
  • Computer Engineer

    My mission is " to achieve and maintain the highest possible standard of professionalism and excellence." I am hardworking, task oriented, solution-oriented, dependable, motivated, independent , not so quick but eager learner and pays attention to details. Another face of my personality … more

    My mission is " to achieve and maintain the highest possible standard of professionalism and excellence." I am hardworking, task oriented, solution-oriented, dependable, motivated, independent , not so quick but eager learner and pays attention to details. Another face of my personality consists in the fact that I am strongly determined.  less

    ruby python curl php html5 css c c++ java javascript xml delphi vbscript ajax unity-3d 3d-design autodesk-3d-studio-max android-app-development autodesk-maya microsoft-word microsoft-powerpoint 3d-modeling 3d-animation systems-development network-security assembly-language sql sqlite mysql bash ksh-korn-shell soap computer-assembly 00 more less
    • $12.22 HOURLY RATE
    • 4.9
    • 24 HOURS
    • TUNISIA
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 5 TESTS
  • Senior Linux Sysadmin, LAMP,Databases,Automation,Senior Programmer

    - Linux/Unix Senior System Administrator (10 years) - Big seniority in shell programming (10 years) - Data manipulation / Environments Automation ( Linux/Unix and databases) - Debian/Ubuntu/CentOS/RHEL (RHCE certified) - Mysql/MSSQL dba - Technical/Article/Blog writer with big seniority - Network administrator … more

    - Linux/Unix Senior System Administrator (10 years) - Big seniority in shell programming (10 years) - Data manipulation / Environments Automation ( Linux/Unix and databases) - Debian/Ubuntu/CentOS/RHEL (RHCE certified) - Mysql/MSSQL dba - Technical/Article/Blog writer with big seniority - Network administrator (Firewall/Iptables/Acl) - Backup/Monitor/database automation (Linux/Unix) Major companies in which I worked: Olivetti S.p.A, Nike IT, ADR (Rome Airports), Alitalia Servizi (Skyteam), Ericsson, H3G, Telecom Italia,IBM About Me: I like to face new challenges and I'm happy to provide my technical features for solving problems, always ensuring maximum availability and professionalism.  less

    bash lamp-administration mysql dbase aix c# hp-ux data-warehousing data-entry data-structures defect-tracking network-security technical-writing article-writing embedded-linux sql stored-procedure-development windows-administration apache-administration awk database-administration database-design database-testing data-analysis ldap microsoft-sql-server-administration tcp-ip zend-framework vmware-administration 00 more less
    • $20.00 HOURLY RATE
    • 4.9
    • 20 HOURS
    • ITALY
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 4 TESTS
  • FOSS Consultant

    Hello, My name is Renich Bon Ciric (yeah, I know it's up there...). I'm a FOSS professional and expert GNU & Linux Systems Administrator and Integrator; specialized in RedHat/Fedora. I live in Guadalajara, Jalisco, México. I was wondering … more

    Hello, My name is Renich Bon Ciric (yeah, I know it's up there...). I'm a FOSS professional and expert GNU & Linux Systems Administrator and Integrator; specialized in RedHat/Fedora. I live in Guadalajara, Jalisco, México. I was wondering if we could work together. I can offer my skills remotely. I am willing to work by project, part time or full time. My favorite time of day are evenings. I am a night owl and am happy to work on odd shifts. # Experience - CloudSigma: Recently. I was in charge of integrating their current software stack for the cloud. Basically KVM/Qemu hosts. - (xpert) creations: I was in charge of their LAMP servers; all successfully migrated from several ISPs into KVM/Qemu virtualized servers. - Tools Net: I was in charge of their infrastructure. Migrated from a very old VMWare installation into a KVM/Qemu setup. - Mexican Foodbank Association (AMBA): Was in charge of the infrastructure; including mail, dns and LAMP. - Fedora: I am, currently, a Fedora packager. - LinuxCabal: I started the PHP and Python groups. In charge of new projects for this non-for-profit organization. I'll synthesize a skillset for you and am happy to answer any queries or question regarding these subjects: # Basis - Systemd and SysV - Puppet - Bacula (automated backup system) # Networking and Security - DHCP and DNS (ISC of course) - iptables, firewalld, tcp wrappers, SELinux, etc # Virtualization - KVM/Qemu/Libvirt - OpenStack - GlusterFS, XtreemFS and Ceph # Web - NginX, Apache and Cherokee - MySQL/MariaDB and a little Postgress # Programming and scripting - Bash/Dash, Perl, PHP, Ruby and Python - C and C++ # Misc - Fedora Packaging (RPM) and repo generation I am happy to learn whatever is needed with a few exceptions: - Java - Oracle # Contact Data Rene "Renich" Bon Ciric Ignacio Ramírez #171 Villaseñor, 44600, Guadalajara, Jalisco, México # CV http://cv.woralelandia.com/ # References https://www.google.com/#q=renich  less

    linux-system-administration dhcp iptables kvm-virtualization fedora centos nginx apache-administration php ruby python bash bash-shell-scripting mysql virtualization firewalls security network-administration network-security computer-networking lamp-administration redhat-administration music-arrangement music-composition music-producer ableton-live propellerhead-reason avid-pro-tools sinatra-framwork bacula data-backup google-apps 00 more less
    • $50.00 HOURLY RATE
    • 5.0
    • 48 HOURS
    • MEXICO
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 3 TESTS
  • QA Lead/Selenium/QTP/JMeter/iOS/Android/C#/Java/JUnit/NUnit/UAT/UX Exp

    Last 10 years, I have been working as a Software Professional to many software development companies. As a Software Quality Assurance Engineer, I have performed manual as well as automated testing and develop test plan and prepare test cases to … more

    Last 10 years, I have been working as a Software Professional to many software development companies. As a Software Quality Assurance Engineer, I have performed manual as well as automated testing and develop test plan and prepare test cases to many desktop and web application like Tax Management Expert (TME) for USA client (www.orbitax.com), YourView (www.yourview.com) for USA customer, ITE (International Tax Expert) and Document Search Tool for Dutch client and Health Insurance Brokerâs Portal. As a Desktop and Web Application Developer I have been working more than two years at the very beginning of my career. As a System Analyst and Software Architect, I have developed many applications like Electricity Billing System of an International Sea Port, Performance Monitoring System of British American Tobacco Bangladesh, Microfinance Accounting System of âBandhanâ, an Indian NGO and Telephone Billing System of AsiaDigicall, Australia. I have been playing a key role as a Team Leader, Project Co-ordinator and Software Implementation Analyst to implement our product to many local and multinational companies. As a technical writer, I have developed many technical documents such as Technical proposal, User manual and analytical documents. Expertise Manual Testing : Smoke & Sanity Testing, Black Box Testing, White Box Testing, Integration Testing, Regression Testing, Load Testing, Security Testing, UAT, Performance testing, Non-function testing, Database testing, exploratory testing. Automated Testing Tools : Selenium (IDE and Web Driver), QTP, Sahi, Visual Studio Test Professional, TestComplete, WinRunner Load Testing Tools : LoadRunner, WebLoad, JMeter White Box Testing tools : NUnit, JUnit, TestNG, MS Test Bug Reporting Tools : TestTrack Pro, Bugzilla, Trac, Trello Programming Language : C++, C#, Java, Python, Visual Basic Web Based Language : HTML, ASP.Net, PHP Bug Analysis Tools : FireBug, Xpath Checker, Fiddler, FileMon, Burp Proxy Test Case Management Tools : Microsoft Test Manager, Test Link Version Control System : Microsoft Visual SourceSafe, SVN, Team Foundation Server, Git Database : MS SQL Server, PostgreSQL Server, ORACLE, MySQL Operating System : Windows Server, Windows 98/2000/Xp/Vista/Win7, Linux Project Management : Microsoft Project, Visual Studio Application Lifecycle Management, Basecamp, JIRA  less

    software-testing functional-testing automated-testing test-automation selenium-webdriver hp-qtp performance-testing load-testing sqa jmeter manual-testing black-box-testing regression-testing usability-testing user-acceptance-testing game-testing web-testing database-testing test-case-design quantitative-analysis technical-documentation project-management ab-testing network-security unit-testing penetration-testing test-driven-development testlink testng-framework localization 00 more less
    • $15.00 HOURLY RATE
    • 4.5
    • 2848 HOURS
    • BANGLADESH
    • LAST ACTIVE
    • 9 PORTFOLIO ITEMS
    • 4 TESTS
    GROUPS:
  • QA | with 6 years of exprience

    Quality testing and quality delivery is my specialty. With expertise in manual testing have experience in testing web applications, client-server, stand alone applications and many websites for usability testing. I have testing experience at all levels of application development life … more

    Quality testing and quality delivery is my specialty. With expertise in manual testing have experience in testing web applications, client-server, stand alone applications and many websites for usability testing. I have testing experience at all levels of application development life cycle. I have been part of Test Case designing, Test Execution, and Defect Management. Also good at documentation. Have been into testing & QA for over 6 years. Was working with as a Senior Test Engineer. Have experience in various types of testing and QA like Functional, performance, Regression testing Service Description Expert in Usability testing for website and applications. Good at defect tracking, logging and triaging. Written around 9000 test cases, worked on test plans. My responsibility in the team also included reviewing test cases. Along with this over the last 3 years, I am doing data entry job in a college as a part time.My main objective is to achieve the best quality of work to be delivered to satisfied clients. To provide excellent customer service and aiming for quality administrative work. Role Summary: --------------------- Quick Work Delivery with utmost Quality Understanding the Functional Requirements Test Cases Writing and Execution Defect verification & Logging Bug triaging Testing Handled: ------------------------ Localization Testing Games Testing Application compatibility Testing Client-Server application Testing Cross Browser Compatibility Functionality Website Usability Regression Scenarios Exploratory Functional testing Regression testing Integration testing Functional Automation testing Performance automation testing Smoke and Sanity testing compatibility Testing Data Testing Installation testing Black box & White box testing  less

    usability-testing manual-testing performance-testing software-testing user-acceptance-testing functional-testing black-box-testing database-testing penetration-testing regression-testing load-testing atlassian-jira bugzilla game-testing network-security test-case-design testlink unit-testing web-testing test-automation mantis scrum agile-software-development android-app-development issue-tracking-systems technical-documentation internet-research data-analysis software-qa-testing sqa quantitative-analysis 00 more less
    • $7.78 HOURLY RATE
    • 4.2
    • 1039 HOURS
    • INDIA
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 2 TESTS
  • Ethical Hacker, Website Malware Removal Specialist & Security Expert

    I provide IT Security Consulting to small businesses while also conducting Penetration Testing and Vulnerability research to such sites as Google, Facebook and Zero Day Initiative. I have over 17+ years of experience in IT and over 10+ years of … more

    I provide IT Security Consulting to small businesses while also conducting Penetration Testing and Vulnerability research to such sites as Google, Facebook and Zero Day Initiative. I have over 17+ years of experience in IT and over 10+ years of experience in the specality of IT Security. I am a member of OWASP (http://www.owasp.org) and a regular contributor on badwarebusters.org, https://www.badwarebusters.org/dashboard/cchamberland I specialize in researching and finding vulnerabilities in open source software such as wordpress, osCommerce, Joomla, mediaWiki, vBulletin, etc. as well as securing these systems for clients. My main objective is to utlize oDesk to find work in my area of expertise, which includes working as an Ethical Hacker, Penetration tester, Security Auditor and securing web based applications, such as custom systems and Open source systems such as Wordpress, osCommerce, Joomla, mediaWiki, etc. My years of experience as a developer and security professional have allowed me to create my own proprietary tools that I use when cleaning up sites that are infected with malware. I can do a site clean-up in about 1/4 the time the average contractor would take. ***NOTE**** I do NOT do development work - please do not contact me to work on your theme, plugin, code, database etc. unless it is a security issue. Thank you!!  less

    security wordpress virus-removal penetration-testing network-security lamp-administration project-management php mysql oscommerce drupal paypal-api ajax jquery asp javascript microsoft-visual-basic html 00 more less
    • $40.00 HOURLY RATE
    • 5.0
    • 307 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 9 TESTS
    ASSOCIATED WITH:
  • Senior UNIX/Linux Administrator; DevOps specialist; Security Analyst

    Mariusz is professional Linux Security Administrator & Web Application Penetration Tester with almost 7 years of experience in this field. His expertise ranges from designing, building and maintaining highly available systems to analysis of subtle performance and security related issues. .:: High … more

    Mariusz is professional Linux Security Administrator & Web Application Penetration Tester with almost 7 years of experience in this field. His expertise ranges from designing, building and maintaining highly available systems to analysis of subtle performance and security related issues. .:: High availability ::. Building robust and reliable web servers based on such technologies as: UNIX/Linux (CentOS, Debian, Ubuntu, Solaris, FreeBSD); apache2/nginx + php-fpm; php-apc; varnish; mysql/postgresql; mongoDB; memcached; openVZ; Amazon web services (EC2, S3, ELB). .:: Linux hardening & intrusion detection ::. php-suoshin; chrooting (jailkit, mod_chroot); mod_security; mod_evasive; snort; clamav; logwatch; aide; OSSEC; iptables; web server configuration hardening. .:: Troubleshooting & performance tunning ::. Server analysis under high loads and identifying performance bottlenecks: siege; ab; mod_info; mod_status; strace; application analysis: xdebug + kcachegrind .:: Security analysis ::. experience in black-box testing: using such tools like: nikto2; skipfish; ratproxy; sqlmap; nmap; custom test cases: bash + curl; SPIKE Proxy; preaparing meaningful report. Post-intrusion analysis: malware removal; investigating break-ins; remedation recommendations; network forensics. .:: Programming skills ::. strong knowledge of: bash, C, PHP, python  less

    linux-system-administration lamp-administration apache-administration nginx mysql nagios puppet-administration amazon-web-services rackspace-cloudservers tcp-ip unix-shell security bash c php penetration-testing network-security virus-removal 00 more less
    • $14.00 HOURLY RATE
    • 4.8
    • 40 HOURS
    • POLAND
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 8 TESTS
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