Database Administration Freelancers

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  1. Marc Coderre

    Marc Coderre

    GeoSpatialInfo Services

    Canada - Last active: 1 month ago - Portfolio: 10

    GIS\Database Analyst & Developer specializing in designing, building and maintenance of custom Geospatial Information solutions to real world data. I have extensive experience in the design, development and data loading of datasets, both GIS focused or other databases. I specialize in helping clients get access to their data in easy to digest formats utilizing custom report development tools to create intuitive user interfaces. I provide on demand digitizing and georeferencing services on soft or hard copy inputs and deliver finished products in client specified formats. I am a fully integrated ESRI shop with access to all extensions and can import/export data across a wide spectrum of platforms. Visit GeoSpatialInfo.ca for more information and featured projects.

    $37.00 /hr
    627 hours
    0.00
  2. Farkas Balázs

    Farkas Balázs

    Microsoft Certified SQL Server / BI Expert

    Hungary - Last active: 2 days ago - Tests: 3 - Portfolio: 2

    I am a SQL Server Expert with 9+ years of experience. My primary skills include database management and development, performance tuning, BI and data warehousing, statistics, data mining and reporting. I have a Masters Degree in Mathematics, I am very adaptive, I can quickly understand any problems and deliver an accurate solution. My work experience includes several high profile companies in finance & banking, telecommunications, as well as high traffic internet companies, using the mentioned systems and methods on an everyday basis. Client feedbacks: "so, after your first work, our DBs are FLYING!" S.W. - MySQL database performance tuning "You've done a really excellent job. It's a weight off my shoulders and I really appreciate it." C.L. - SQL Server management and optimization

    $38.89 /hr
    171 hours
    0.00
  3. Oriol Buxarrais

    Oriol Buxarrais

    Consultant & Systems Administrator

    Spain - Last active: 2 days ago - Tests: 2

    I'm a Systems Administrator & Consultant & Architecture in IT Services I'm currently working with different technologies such as : -Vmware vSphere (3.0, 3.5, 4, 5) -Windows Server OS (2000, 2003, 2008 R2, 2012 R2) -Linux Servers (CentOS, Debian, Ubuntu) -SQL Servers (2000, 2005, 2008) -Sharepoint Servers (2007, 2010, 2013) -McAfee Epolicy (3.6, 4, 4.5, 4.6,5) -Cisco Systems I can design you infrastucture and keep it up to date. I'm certified on MCSE, MCITP EA, MCITP DBA, MCSA/MCSE 2012, Sharepoint 2010 Administrator. If you need help, don't hesitate to contact me.

    $39.00 /hr
    22 hours
    0.00
  4. Maxim Korolyov

    Maxim Korolyov

    Scala / Java expert

    Belarus - Last active: 2 days ago - Tests: 1 - Portfolio: 2

    Short story: Seasoned expert in the fields of software architecture. Passionate about Big Data, scalable, responsible, reactive and fault tolerance systems. Long story: - highly experienced in enterprise/web-scale software design and enterprise application integration; - experienced in Big Data: traditional data-warehousing and cutting-edge noSQL/noETL; - proficient in distributed and concurrent programming; - skilled infrastructure engineer (devops); - seasoned front-end developer; - proficient in BI, CRM, marketing automation and social/casual gaming domains, Ad platforms; - advanced in Scala / Typesafe Stack; - advanced in core Java / countless mainstream frameworks;

    $44.44 /hr
    143 hours
    0.00
  5. Tobias M.

    Tobias M.

    Software-Developer (PHP, MySQL, Javascript, AJAX, Symfony, jQuery)

    Germany - Last active: 2 days ago - Tests: 4 - Portfolio: 18

    Since 2006 I implement PHP/MySQL Database Applications - starting with the simple CMS-Website over Online Shops with backend interface to existing software, ending with high-demanding customized business applications - with established languages and techniques like XML, HTML, CSS, AJAX and Javascript and several CMS- and E-Commerce systems as well as Frameworks. In the last years Pimcore, AngularJS, Symfony2 and Knockout were my regular tools of occupation, but I'm able to quickly read myself into other systems. Also I was able to extend my knowledge about Mobile Development with Objective-C for iPhone/iPad/iPod-Apps, as well as Java for Android. In addition to that I realized several Database Publishing projects – automatized catalog production - with direct, standardized PDF- Creation or with Indesign-Plugins e.g. Werk II's priint:comet oder DATAFORM.

    $49.00 /hr
    61 hours
    0.00
  6. Panayotis Tsiamis

    Panayotis Tsiamis

    Senior Systems and Software Engineer

    Greece - Last active: 1 day ago - Tests: 7 - Portfolio: 14

    Systems and Services Engineer, with 12+ years of working experience. Interested in researching, administrating, debugging, tuning and developing platforms running on UNIX like Operating Systems. Able to troubleshoot, identify and solve problems in software, network or kernel layer. Always willing to learn and experiment new technologies for creating high availliability platforms, that could described as "state of the art" or "cutting edge" technology. Specialties: • Unix Like Operating Systems Specialist (Solaris / Linux ). • TCP/IP Network technology • Very deep level of knowledge on Machines hardware and OS Kernels internals. • Troubleshoot/Tune/Debug; System Services, Operating Systems • Mail Services Expert, Qmail-Ldap Specialist. • Network: Cacti/MRTG, Nagios, Cisco Netflow • Databases: PostgreSQL / MySQL / Oracle / LDAP. • Programming: Perl, Ansi C, bash, awk, sed, php etc • Internet Services: mail, http, radius, ftp, ssh, irc etc.

    $30.00 /hr
    301 hours
    0.00
  7. Andrey Feoktistov

    Andrey Feoktistov

    Scala Developer

    Russia - Last active: 1 day ago

    Scala experience since 2011: core, Akka (actor, agent, clustering, pubsub, streams, extensions, testing, event sourcing), Spray (can, routing, client), Play, Zipkin, Ostrich, Specs2, Shapeless. Java experience since 2007: SE (core, concurrency, JDBC,), EE (Servlets, CDI, JPA, EJB, JAX-RS), Spring (core, IoC, Web), Hibernate, MyBatis, JSP, Servlets, Struts, JMS, JUnit, TestNG. Android Java/C++ experience more than 2 years: closed applications for intracorporate usage: call capture, VoIP, video, Android core, NDK C/C++ experience more than 5 years: STL, Boost, Loki-lib, Qt, OpenCV, libc, POSIX API, SYSTEM V API, sockets, threads, make, CMake, Autotools, SCons; UI, backend services, Linux kernel modules/drivers, embedded software, plugins, networking protocols. Java-Script experience: Ajax, ExtJS UI. OCaml: embedded software development (management/configuration/operation software for highway network routers), backend services. Python experience: web development (using self developed framework), Qt UI development, various tools and utilities for development. Haskell experience: development and interpreters and shells, web development using self developed framework. Common Lisp experience: data mining, backend services. Other experience includes: Other languages: Scheme, Erlang, Perl, Object Pascal, Shell scripting (Sh, Bash, Zsh). Database architecture, query optimization. SQL DB: PostgreSQL, MySQL, Firebird. NO SQL DB: Riak, Cassandra, MongoDB, Elasticsearch. Linux software development. Linux server administration. Amazon services: S3, EC2, Glacier etc. Web: HTML, JS, DOM, CSS, SASS. VCS: Git, Mercurial, Subversion. Other: Jira, Confluence, Redmine, Trac.

    $38.89 /hr
    352 hours
    0.00
  8. Nikolaos L.

    Nikolaos L.

    Nikolaos L.

    Greece - Last active: 2 days ago - Tests: 2 - Portfolio: 7

    Self-employed Web Developer / Administrator with strong background in both Linux & Windows Systems, specializing in Elgg / Joomla / PHP / MySQL powered solutions. I am web developer since 1999 using PHP, JSP, HTML5, CSS3, Javascript, jQuery. I am specialized on Elgg social networking engine, developing custom plugins. I am expert in Joomla from J!1.0x to J!3.x. I can develop all kind of Joomla! extensions and i have experience in performance optimization, website usability and SEO for Joomla. Beside developments, I use to bring support to Joomla webmasters to fix/customize/enhance their Joomla websites. I am also well familiar with Drupal, Magento, Wordpress, Moodle. I can provide large range of services like simple blog installation & maintenance, custom plugins & CMS / eShop integration to fully scalable like installation and configuration of Linux based servers, DNS, Mail Server, Web Server, Apache Tomcat, FTP Server, LMS, CMS

    $35.00 /hr
    85 hours
    0.00
  9. Jeremiah S.

    Jeremiah S.

    Senior Systems and Network Administrator

    United States - Last active: 29 days ago - Tests: 5

    I have experience in Cisco, Juniper, Zyxel, HP, Brocade, and Ubiquiti Network Devices and Windows Server and Desktop editions. I have 10 years of CentOS, Ubuntu, Debian, Free/OpenBSD Experience as well. Some of the management panels I am familiar with is cPanel/WHM, Webmin/Virtualmin, and SolusVM. I am a virtulization expert with experience in VMWare, Xen, KVM, and OpenVZ.

    $60.00 /hr
    18 hours
    0.00
  10. Muhammad Saad

    Muhammad Saad

    Software Engineer

    Pakistan - Last active: 6 days ago - Tests: 1

    7+ years building client/server, web-based application and infrastructures.  Architected, designed and built solutions using Microsoft, Java and Open Source tools. Led development of complete suites of products including Desktop and Web platform. Developed high volume transaction application. I have an expertise in : Asp.net C# , Ext.net, Ext JS, Java, PHP, AJAX, JQuery and open source software integration.

    $30.00 /hr
    1,160 hours
    0.00