DBA - Database Administrators & Developers

Showing 6,455 freelancers

DBA - Database Administrators & Developers

Showing 6,455 freelancers

  • GIS Specialist | Data Analysis & Visualization

    Specialized in development of customized full stack webGIS solutions. Worked in GIS environments like ESRI, Google Maps, Mapbox, Geoserver, Mapserver, QGIS. Front end mapping using OpenLayers, Leaflet, MapBox, Google Maps / Fusion Table, D3JS, RaphaelJS and so on. Well efficient with … more

    Specialized in development of customized full stack webGIS solutions. Worked in GIS environments like ESRI, Google Maps, Mapbox, Geoserver, Mapserver, QGIS. Front end mapping using OpenLayers, Leaflet, MapBox, Google Maps / Fusion Table, D3JS, RaphaelJS and so on. Well efficient with DBMS like Oracle, MS-SQL, PostgreSQL for spatial database management. and also offer consulting services in all phases of the entire webGIS project life-cycle.  less

    arcgis google-maps-api google-places-api web-scraping digital-mapping openlayers raphael-js 00 more less
    • $30.00 HOURLY RATE
    • 4.8
    • 1578 HOURS
    • INDIA
    • LAST ACTIVE
    • 8 PORTFOLIO ITEMS
    • 1 TEST
    GROUPS:
  • GIS Specialist, Statistician and a Researcher

    I am an experienced GeoInformation, Statistics & Data Systems Specialist in research. I use a range of GIS and remote sensing software in research, mapping and development. These include, Esri ArcGIS, Erdas Imagine, ENVI, Mapwindow and Quantum GIS. For spatial database … more

    I am an experienced GeoInformation, Statistics & Data Systems Specialist in research. I use a range of GIS and remote sensing software in research, mapping and development. These include, Esri ArcGIS, Erdas Imagine, ENVI, Mapwindow and Quantum GIS. For spatial database management, I work with PostgreSQL, Multi-user Geodatabases of ArcGIS, SQL Server and MySQL. I am well conversant with Server applications for sharing geospatial data and use OpenGeo suite for applications development. My server applications include; Geoserver and ArcGIS server. As a researcher, I have a very good working experience in statistical analysis for spatial, social and bio-statistics. I use SPSS, R, Minitab, PAST and Excel software for various statistical data analysis. My career objective is to be the best GeoInformation specialist around the world with command in Desktop GIS, Geostatistics, Web Mapping and Spatial database management.  less

    gis arcgis digital-mapping cartography image-processing erdas-imagine statistics ibm-spss r microsoft-excel data-analysis database-management postgresql sql 00 more less
    • $22.22 HOURLY RATE
    • 4.8
    • 284 HOURS
    • NETHERLANDS
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 8 TESTS
  • Severe Siberian Software Engineer

    Hi, my name is Andrey Shestakov. I'm from Russia. Since 2007 I'm working in commercial software development. I have worked in different scaled projects. From little desktop applications to industrial solutions. And I was team leader on my … more

    Hi, my name is Andrey Shestakov. I'm from Russia. Since 2007 I'm working in commercial software development. I have worked in different scaled projects. From little desktop applications to industrial solutions. And I was team leader on my last big project. My strong points are responsibility and quality. You will get bad job from me never. I'm sure that any project must work and must be done carefully on every stage. Also you will lose me never. Usually I warn in advance if I need be absent and be offline long time. My English is not bad for chat or email (I hope so :) ). And I think that this variants are better then speaking. Just because any part of task discussion may be reread anytime and none detail will be lost. So, I prefer Skype chat for discuss project details. I have a Bachelors in Applied Mathematics and Computer Science from Novosibirsk State Technical University, in the Russia. Also my diploma passed nostrification in Czech Technical University in Prague and get education level on Master degree. I'm developing primarily on C/C++ and Python 2.x.x. Here are my skills. OOP/OOD: - OOP is main instrument on C++ and Python, design patterns need to know for good architecture and I know it. C/C++ skills: - STL - POSIX - multithreading - multiprocessing - Qt 4.x.x Python skills: - STL - Django - Flask - Tornado - Cherrypy - Sqlalchemy - Google API - Yahoo API SQL skills: - MySQL - PostgreSQL NoSQL skills: - Redis Also I have experience in administration UNIX-based operating systems since 2003.  less

    python django-framework tornado c++ stl qt freebsd nosql redis mysql postgresql lamp-administration linux-system-administration git opengl 00 more less
    • $33.33 HOURLY RATE
    • 4.6
    • 268 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • Expert Web App Developer & Manager

    Over the last 7 years, I have developed a wide range of websites using the below technologies, Front-end: HMTL5, Flex, jQuery, jQuery-Mobile, javascript, BootStrap, Foundation, Canvas Libraries Back-end: Java, Spring, Struts, iBatis, BlazeDS, Php, Magento, Yii Mobile App: Phonegap Database … more

    Over the last 7 years, I have developed a wide range of websites using the below technologies, Front-end: HMTL5, Flex, jQuery, jQuery-Mobile, javascript, BootStrap, Foundation, Canvas Libraries Back-end: Java, Spring, Struts, iBatis, BlazeDS, Php, Magento, Yii Mobile App: Phonegap Database: MySQL & MS-SQL Scripting: Perl, VB Script Other Expertise: Optimizing SQL query & web pages for performance, VB Macros My core competency lies in complete end-to-end management of the Project, and I am seeking opportunities to build websites from the ground up for you and your business. I have experience in the following areas: Online Designing Tool, Real-Time Data Push, Mobile App Development  less

    java sql javascript jquery adobe-flex spring-framework ibatis mysql css microsoft-excel actionscript-3 vba twitter-bootstrap yui css3 blazeds 00 more less
    • $30.00 HOURLY RATE
    • 5.0
    • 831 HOURS
    • INDIA
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 6 TESTS
    GROUPS:
  • Senior System/Network Administrator (devops)

    An ambitious *nix System and Network Administrator with eight years' experience working in ISPs and other service providers maintaining existing and designing new infrastructure. DevOps skills which help to bridge sysadmins' and developers' teams. Master's degree in Math Sciences … more

    An ambitious *nix System and Network Administrator with eight years' experience working in ISPs and other service providers maintaining existing and designing new infrastructure. DevOps skills which help to bridge sysadmins' and developers' teams. Master's degree in Math Sciences. I'm looking for interesting projects which use new/young technologies and provide new challenges. Would also be great to work with interesting people.  less

    linux-system-administration kvm-virtualization apache-administration openvpn unix-system-administration cisco-routers virtualization python django-framework c++ php qt asterisk sip 00 more less
    • $30.00 HOURLY RATE
    • 4.9
    • 571 HOURS
    • ARMENIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 8 TESTS
  • Expert PHP/MySQL, High-Load, AWS Architector, Troubleshooting

    I am a web developer, who comes from a system administrator. As a developer, I have a 10-years experience in PHP, MySQL, Linux, Troubleshooting, Redis, RESTful API, XML, JSON, etc. As a system administrator I have experience with advanced troubleshooting … more

    I am a web developer, who comes from a system administrator. As a developer, I have a 10-years experience in PHP, MySQL, Linux, Troubleshooting, Redis, RESTful API, XML, JSON, etc. As a system administrator I have experience with advanced troubleshooting, Linux, Nginx, Apache, PHP (also with FPM configuration) and much more. Why you can hire me? All my jobs ended successfully. I writes a strong, secure, fast and pretty code. I'm not a just coder, I am a programmer with a big internal knowledge. I have a 10 years experience in a development and troubleshooting complex projects, that requires caching, OS relations, big databases, analytic, etc. I have a government certificate for security development. I can write your application, support and debug it. Requited in a High-Load development? It's not a problem. Need to setup a new server for that? It's not a problem. It will be secure, fast and strong. Need to develop DBMS architecture? See my portfolio, it's not a problem too. Maybe you wish to get a documentation after development? It's not a problem. Most of my customers works with me permanently. I would like to develop your job and troubleshoot your job. You will be happy. I'm will not hide from you. I'm a responsible person who would be like to do your job! My Skype ID: "igor.zettich"  less

    php mysql laravel-framework linux-system-administration nginx amazon-web-services load-balancing clustering twitter-bootstrap sphinx 00 more less
    • $20.00 HOURLY RATE
    • 4.9
    • 402 HOURS
    • BELARUS
    • LAST ACTIVE
    • 7 PORTFOLIO ITEMS
    • 10 TESTS
    GROUPS:
  • Web, Desktop & Mobile Applications Developer

    I have more then 3 years of experience of working as a software engineer i have worked on variety of projects.During my career i have worked for more then two dozen clients and have successfully attained their 100% satisfaction … more

    I have more then 3 years of experience of working as a software engineer i have worked on variety of projects.During my career i have worked for more then two dozen clients and have successfully attained their 100% satisfaction. I have full command on following programming languages & databases: 1. PHP 2. MySQL & SQL Server 2008 3. C# 4. ASP.NET 5. C++ 6. JAVA 7. Android app development.  less

    c# java php html5 mysql javascript c++ asp.net ajax android-app-development 00 more less
    • $7.78 HOURLY RATE
    • 5.0
    • 747 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 11 PORTFOLIO ITEMS
    • 7 TESTS
    GROUPS:
  • Penetration tester / Network Administrator

    Over the last 13 years i have worked as network administrator. Allways trying to improve my networking skills. I have implemented various solutions for the company i work in , like - Active Driectory - Exchange Server - Network Antivirus solutions - Wireless Networks. - Web … more

    Over the last 13 years i have worked as network administrator. Allways trying to improve my networking skills. I have implemented various solutions for the company i work in , like - Active Driectory - Exchange Server - Network Antivirus solutions - Wireless Networks. - Web Server - Internal / External DNS.... - Gateway - DFS-R File Server In the last 3 years i have oriented myself in the security / penetration testing area. I have achived 2 certifications in security : Offensive Security Wireless Proffesional , and Certified Ethical Hacker My site regarding penetration tests can be found at the following link: https://sites.google.com/site/be4hacked  less

    network-administration firewalls penetration-testing black-box-testing network-security wireless-security microsoft-active-directory microsoft-exchange-server windows-administration windows-7-administration 00 more less
    • $16.67 HOURLY RATE
    • 5.0
    • 0 HOURS
    • ROMANIA
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 9 TESTS
  • Linux Administrator

    I'm fully working from the last 5+ years as a Linux Administrator .I'm well experienced in Linux Server administration tasks in the production and development environments - Have excellent knowledge and hands on experience in Apache, Tomcat ,Nginx, Qmail … more

    I'm fully working from the last 5+ years as a Linux Administrator .I'm well experienced in Linux Server administration tasks in the production and development environments - Have excellent knowledge and hands on experience in Apache, Tomcat ,Nginx, Qmail, Sendmail, postfix, Mysql, Postgresql, FTP, Samba, SVN, Git, Asterisk, Elastix, CouchDB, Pfsense firewalls,load balancers, Amazon EC2, HP cloud, Openfire chat, Nagios servers, Mysql replication, Squid proxies etc.., Good knowledge in shell scripting. Also can perform server auditing, optimizing and tunings. Also provide Linux Training for freshers and others who wanted to well familiarize with the Linux server administration core areas.  less

    linux-system-administration 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 6 HOURS
    • INDIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 2 TESTS
  • QlikView Developer

    Hi, I am Alex from Romania, new to odesk.com but eager to start earning both reputation and money. I am a university graduate, my area of expertise is control engineering but curently I am working in business inteligence. My … more

    Hi, I am Alex from Romania, new to odesk.com but eager to start earning both reputation and money. I am a university graduate, my area of expertise is control engineering but curently I am working in business inteligence. My basic Skills are : Qlikview, Word, Excel, Powerpoint, Administration Windows, MySQL, Oracle, Simatic Manager Step 7, Delphi 7, Eagle, Microsoft SQL Server.  less

    database-design microsoft-excel mysql database-administration frontend-development qliktech-qlikview database-modeling sql 00 more less
    • $11.11 HOURLY RATE
    • 5.0
    • 0 HOURS
    • ROMANIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 7 TESTS
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