IT & Networking Administrators

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  1. Samir Nassar

    Samir Nassar

    iOS/Android/Xamarin/.NET/Asterisk Developer

    Germany - Last active: 15 hours ago - Tests: 9 - Portfolio: 14

    Great thanks for viewing my profile. I have 7 years experience in ANDROID, IOS and .NET developing. I have developed several smart type of MOBILE apps(20+) and WEBSITES(10+) using .NET. I can develop mobile app with NATIVE language or using XAMARIN. I have also lots of experience in other WEB SKILLs(HTML5/jQuery/CSS, PHP) and Database Administration(MySQL, Oracle, Sqlite) I also have full experience in Asterisk and softphone calling apps. The 5 things made me different from other oDesk contractors. 1. I feel I am the best fit for this job, because I am a team player, very energetic. 2. I’m an Expert, Honest, Sincere and Responsible worker as I’m taking my work like my Responsibility. 3. Great communication with my Clients.(via Skype, Google Talk, Yahoo Messenger or direct phone, email) 4. I love to juggle multiple tasks; will go the extra mile to get the job done. 5. 100% GURANTEED Satisfaction. Respectfully, Samir Nassar.

    $55.56 /hr
    1,175 hours
    4.92
  2. Robert M.

    Robert M.

    Networking/VoIP/Build/Test/SQA Professional

    United States - Last active: 1 day ago - Tests: 4 - Portfolio: 1

    I'm proficient in networking (Cisco - working on CCNA), operating systems (Linux, UNIX, Windows, MacOS and a few others) as well as Open Source PBX systems such as Asterisk, Trixbox, FreePBX, Elastix and PBXInAFlash. I have done extensive SQA (software testing) as well as scripting (bash) for administration of various servers. I can code in Python, PHP and some Java and Java Enterprise. I've worked extensively with Jenkins for build/deployment environments. I'm quite skilled with web application type servers, including Apache, Tomcat, JBoss, as well as various mail relays - Postfix and Sendmail. When it comes to security, I'm quite proficient at the command line with iptables as well as some open source type firewalls (Sonicwall). I am no stranger to packet analysis/sniffing a network with tools such as Wireshark, ettercap and nmap.

    $25.56 /hr
    118 hours
    4.60
  3. Dmitriy S.

    Dmitriy S.

    Senior Web Developer (PHP/MySql, Wordpress, Laravel/Symfony, LAMP)

    Ukraine - Last active: 15 hours ago - Tests: 4 - Portfolio: 4

    I am a flexible and creative Senior PHP Developer, with 5 years experience working on high-traffic sites for large organizations. My current focus is on complex plugins and themes for ecommerce solutions oriented on clients needs. I am always looking to push forward best-practice for development and ensure a high level of attention to detail. Expert in PHP - CMS - Wordpress, Prestashop - MVC Frameworks - Codeigniter, Kohana, Laravel/Symfony, Yii and others MySQL skills - database engineering - query optimization - InnoDb tunning Expert Javascript - jQuery - jQuery UI - AngularJS Expert semantic, accessible HTML5, CSS3 Tooling: Subversion, Git, Linux terminal

    $25.00 /hr
    2,992 hours
    5.00
  4. Ali Anwaar

    Ali Anwaar

    Senior Designer and UI/UX Developer

    Pakistan - Last active: 3 days ago - Tests: 1 - Portfolio: 39

    I am a Professional web designer and UI/UX Developer with more than 6 years of experience in designing and developing websites that not only fulfill the business purposes of my clients but are also fine pieces or aesthetics, creativeness, and craft. I am quite adept at HTML5 and CSS3 and have worked on more than 200 website mocks So far. I have initial knowledge of Flash work and JavaScript and jQuery. In addition, I have a firm grasp over the English language which helps me in understanding the employer's objectives so that I can convey their business message through my designs and images. I am quite passionate about designing and try to put my heart and soul into my work. I am fully cognizant of the value of time in today’s highly competitive marketplace; that is the reason I have a quick turnaround time. If you are looking for great design, affordable pricing, and fast delivery, you have arrived at the right place.

    $22.00 /hr
    608 hours
    4.74
  5. Roman H.

    Roman H.

    Database consultant | SQL Server Developer | DBA | BI | SSIS | SSRS

    Russia - Last active: 15 hours ago - Tests: 5 - Portfolio: 1

    Part-time or full-time work in following areas. Available for onsite meetings in Toronto. - SQL Server 2000\2005\2008\2008R2\2012\2014 - Big Data - SQL Azure - ASP.NET MVC - SSIS - SSRS - SSAS - VLDB (Databases around 7 Tb size) - Data Warehouses - Database architecture, management, development, optimization. - Data centric .NET applications and Sites (C#.NET, WPF,WCF,ASP.NET , SilverLight). - Distributed teams management (Agile, SCRUM, TFS, SDLC, defining and controlling processes) More than 8 years in software development using Microsoft technologies. Solid experience of managing distributed teams.

    Groups: Application Developers Alliance

    $27.78 /hr
    1,078 hours
    5.00
  6. Xiu H.

    Xiu H.

    Mobile(iphone and ipad-IOS) , Android , Web back-end developer

    China - Last active: 15 hours ago - Tests: 11 - Portfolio: 4

    Hello , Dear. I have more than 5 years experiences for mobile application development(iPhone , iPad - 5 years Android - 3 years). Especially , I can build the fantastic social apps or social games. I had worked at Juangua Network company located in China. I am able to build mobile development for iOS(iPhone and iPad) and android platforms as well as offer backend services. If you're looking for an honest and reliable contractor, I would be happy if you could give me a chance to work with. I know there are several ways to test one's ability, however I do believe it would be the best way if you could test me with demo project. You can check the build via TestFlight as everybody does. I put an importance to the quality of product and take it as top priority in development. As much as product is great, as high as your revenue would be.

    $36.00 /hr
    1,692 hours
    5.00
  7. Muhammad Asif Tasleem

    Muhammad Asif Tasleem

    EMR Consultant, Java EE, RoR, Linux Developer & Architect

    Saudi Arabia - Last active: 15 hours ago - Tests: 11 - Portfolio: 4

    Over the past 12 years, I have developed solutions ranging from mobile applications to large enterprise systems including business domains like Mobile and Branchless Banking, VoIP Telecom, Healthcare, Operations Management and Messaging Systems. Following are the details of my experience: Experience of Application life cycle from development, deployment and operations Working on EMR, Billing, CPOE, Master Patient Index, Patient Profile Worked on several business domains including Healthcare, Telecom & VoIP, Mobile and Branchless Banking, Operations & Projects Management Worked in multi-cultural teams and various development methodologies including Waterfall, Incremental, Agile (SCRUM) Worked in CMMI level 5 and ISO Certified companies Extensive knowledge of developing scalable and highly available systems. Worked on BigMemory, Ehcache, Hibernate L2 Cache, Hibernate Search and Lucene Indexing Worked on MongoDB with Hibernate OGM and Spring Data Experience in Apache Tomcat Load Balancing with Apache Web Server & Clustering providing session replication, JBoss Application Server Clustering Worked on integration with Payment Gateways including Apple App Store, Google Wallet Play Store, integration with SMSC's & USSDC's using Kannel (SMPP) and integration with GCM, APNS, MPNS Developed multiple solutions using Openfire, XMPP and Kraken, ActiveMQ, JMS and Queueing Solutions, Configured clustered and embedded ActiveMQ Servers Externalized logic using Drool Expert and Drools Guvnor Server Hands on Linux (Ubuntu, CentOS, RHEL), AWS, EC2 and other cloud environments Hands on experience on Web & Enterprise Application using multiple stacks: jQuery UI, jQuery, JSP, Spring MVC/Struts2, Spring, EJB, JPA/Hibernate, Apache Tomcat/JBoss AS and Oracle/MySQL ASP.net, WCF, NHibernate, IIS7 and MS SQL Server Bootstrap, jQuery, Rails 4, Nginx and MySQL Key Skills: Java EE Web & Application Profile: JSP, Servlet, JPA, EJB 3, JMS, JAX-RS, JAX-WS, Spring Framework (Core, MVC, JMS, JDBC, Batch, Security), Hibernate (Core, Validators, Envers, Search), Struts2, jQuery, JasperReports (iReport), Android, Java ME, Ruby on Rails (RoR), Bootstrap, Drools 5.5, Quartz, XML (DOM, SAX, JAXB, JAXP), Apache CXF, Logging (Log4J, slf4j), Maven, Ant, Apache Commons Servers: Tomcat 6 & 7, JBoss AS 7, Apache 2.2, Nginx, Kannel SMS & USSD Integration over SMPP, Openfire (XMPP) server, Drools Guvnor 5.5, ActiveMQ 5.x, Funambol, High Availability: Tomcat Clustering, Apache Load Balancing, JBoss Clustering, Tomcat Embedded ActiveMQ, Clustered Quartz Mobile Applications: Android, Android NDK, Java ME, MIDP 2.0, J2mePolish, LWUIT, J2MEUnit, Windows Mobile 6.0, Cobertura, XML Pull Parsers, kXML Parser, BlackBerry .Net Technologies: .Net 3.5, C#, WCF, NHibernate, Log4net, NUnit, Enterprise Library 5 Network Programming: C#, Java, C & C++ (POSIX), C# Asynchronous Sockets, Kannel SMS & USSD Integration over SMPP, RIP protocol Databases: MySQL 5.x, Oracle 11g R2, Microsoft SQL Server 2008, MS Access 2003, Inter System Caché 5.0, Cassandra (NoSQL), DML, DDL & DCL, Partioning, Federation Operating Systems: Linux (CentOS 5, RHE Linux 4, Ubuntu Server 12.04), Windows 2008 Server, Solaris, Mac OSX Leopard 10.5.8 Tools Used: Eclipse, Spring Tools Suite, EclipseME, NetBeans, MS Visual Studio, Rational Rose, MS Visio, MS Project, Visual Source Safe, Tortoise SVN, Emacs, GCC, PhpMyAdmin, MySQL Utilities, CodeSmith Code generator, Enterprise Architect, Notepad++, Project.Net, MySQL Workbench, SQL Designer, SQLyog, WinSCP, FileZilla Data Warehousing: Pentaho (BI Server, Mondrian, Kettle, Weka), FastLoad scripting, Data Cleansing, Data Staging in Teradata, OLAP and ETL techniques, Star Schema Modeling, MySQL InfoBright Documentation: Proposal Writing, Requirements Specification, Functional Specification, Use Case Analysis, UML Standards: CMMI, ISO 9000, ISO27000, W3C, OWASP, Jabber Standard Training and Workshops: PMP Training @ PMI Chapter, Lahore: Attended a four days workshop at PMI Chapter, Lahore to earn required PDU’s for PMP Certification exam. Workshop on Cryptography: Attended a two days workshop at LUMS on Basis of Cryptography on Number Theory, Block Ciphers, Stream Ciphers and Private and Public Key Cryptography ISO 9001:2000, QMS and CMMI: Received a two days training for working as Internal Auditor for ISO 9001:2000 and CMMI based QMS SCAMPI-A: Participated in SCAMPI-A evaluations at Descon Information Systems & NetSol Technologies Trainings on Organizational Standard Software Process: • Software Product Engineering (SPE) • Verification & Peer Reviews • Code Baseline and Release Management • Software Configuration Management, Project Tracking & Oversight

    $35.00 /hr
    628 hours
    5.00
  8. Gaston P.

    Gaston P.

    VOIP Cloud, Plivo, Twilio,AWS, Flask, Python, Developer and Architect

    Argentina - Last active: 1 day ago - Tests: 6

    Hi, my name is Gaston Pisacco, I live in Buenos Aires and have long experience with large deployments and high availability apps and technologies like python, j2ee, provisioning systems , messaging middleware , devops, AWS, Unix/Linux admin and legacy systems integration all of them developed while working on first line companies like Network Solutions, IBM, Telefonica and Citibank. I've long experience developing large scale software, I spend several years working in the telco industry and have experience integrating IVR with CRM systems. I've experience integrating phone and apps, most of them integrating Plivo or Twilio with Asterisk and internal apps as SugarCRM/Zendesk to retrieve users/tickets info and IVR workflow managements (actually I wrote a workflow engine based on Amazon SWF to handle IVR integration including a workflow editing javascript front end). I also have experience using WebRTC since it's beta times, so integration could be 100% web based solution Also I have several years of work in big telcos integrating software with pstn, isdn and legacy traditional telephony systems I've lead development and sysadmin teams during several years and I speak English, Spanish and some basic Portuguese. I like cutting edge technology, innovative solutions, travel and work with offshore teams. I can program java,perl, python, java script ,bash among other languages, help you with your apps and infrastructure architecture, adapt them to run on cloud infrastructure like Google App Engine or Amazon AWS.

    $38.89 /hr
    510 hours
    5.00
  9. Artem Rumyantsev

    Artem Rumyantsev

    Scraping Master

    Germany - Last active: 15 hours ago - Tests: 3

    Senior Web Developer Over the last 5 years, I have developed a wide range of projects in web, using HTML, PHP, Javascript, MySQL, MSSQL and MongoDB. I am full-stack programmer, who can speak with others in design patterns language, aesthete, who likes beautiful code, experimenter, who likes new technologies and professional, who can accurately plan time.

    $35.00 /hr
    153 hours
    4.74
  10. Nathan S.

    Nathan S.

    DevOps | AWS | Chef | Puppet | Win/Linux/Embedded/iOS/MacOSx Developer

    Netherlands - Last active: 2 days ago - Tests: 14 - Portfolio: 5

    Hello everyone. Thanks for your visiting. Here is my skill: DevOps Code Versioning (cvs, svn, git) Monitoring (nagios, snort, newrelic) AWS Virtualization (vmware, virtualbox, vagrant, xen, kvm) Agile (deployment, kanban, scrum, agile) Automation (puppet, chef, cfengine, capistrano) OS Linux (Ubuntu, Debian, Redhat) *BSD (OpenBSD, FreeBSD, NetBSD, OS X) Unix (Solaris) Ms Windows 7/8 x86/x64 Network Security HTTP (Apache, Tomcat, IIS, nginx, lighttpd) FTP (wu-ftpd, proftpd, ncftpd, vsftpd) NTP (unix ntpd, nettime) SSH (ssh-fi, openssh) Proxy (squid, microsoft proxy server, varnish) Firewalls (Nat, ipfilter, ipchains, ipfw, fw-1, ifw) radius (Cistron, Telefonica, Radiator) VPN (IPSec, PPTP, L2TP, FreeSWAN, OpenSWAN, StrongSWAN) SMTP (sendmail, postfix, qmail, exim) Openwrt ,TCP/IP stack Mail (cyrus, courier, qpopper) Databases MySQL/PostgreSQL/Hadoop/Redis/MongoDB/Cassandra Programming Languages C/C++/C#/QT/QML/Objective-c Unix Shell (bash, csh, ksh) Ruby/PHP (3 to 5)/SQL (MySQL, Postgres PSQL)/Perl/Java Best Regards. Nathan.

    $35.00 /hr
    553 hours
    4.56