DBA - Database Administrators & Developers

Showing 9,609 freelancers

DBA - Database Administrators & Developers

Showing 9,609 freelancers

  • Developper Web Font Office

    Web Development is a state of thinking. Always to move forward. Make the best of myself. I want to go ahead, go further in my knowledge of web technology. Master the web client side: (x) HTML/HTML5 - CSS/CSS2/CSS3 … more

    Web Development is a state of thinking. Always to move forward. Make the best of myself. I want to go ahead, go further in my knowledge of web technology. Master the web client side: (x) HTML/HTML5 - CSS/CSS2/CSS3 - JS - jQuery framework Master the web server side: PHP 5 - Zend framework - MYSQL - Smarty And master more and more web technology Do all these things with the fun ;)  less

    prestashop zend-framework typo3 jquery ajax drupal wordpress adobe-flex papervision3d adobe-flash adobe-photoshop adobe-dreamweaver apache-administration php mysql html5 css3 html css 00 more less
    • $11.11 HOURLY RATE
    • 5.0
    • 193 HOURS
    • MADAGASCAR
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 4 TESTS
  • PhD in Computer Science

    If you are stuck and the deadlines are near. If you need the job done fast - send me a message! I have 20 years experience leading Software Design and Software Development teams. I am results-driven, customer-focused, analytical Software Engineer. I … more

    If you are stuck and the deadlines are near. If you need the job done fast - send me a message! I have 20 years experience leading Software Design and Software Development teams. I am results-driven, customer-focused, analytical Software Engineer. I am strong in design, integration and problem solving skills. I have worked in various programming languages and platforms including social networking. I follow SDLC lifecycle process and methodologies. The end product is always highly scalable solution. http://githelp.us/  less

    postgresql php mysql tcp-ip data-structures cisco-ios cisco-routers database-modeling database-management microsoft-access firebird interbase jquery html html5 unix-shell database-programming sql t-sql virtualization javascript yii-framework linux-system-administration network-administration database-testing perl bash vpn selenium netbeans human-resource-management project-management windows-azure microsoft-project facebook-api amazon-ec2 amazon-web-services amazon-s3 phpmyadmin ajax saas venture-capital-consulting process-architect information-architecture information-design amazon-rds strategic-planning marketing-strategy couchdb startup-consulting business-valuation bgp hadoop data-mining machine-learning genetic-algorithms algorithms redis mongodb memcached database-administration database-design redmine artificial-intelligence management-development 00 more less
    • $50.00 HOURLY RATE
    • 5.0
    • 1342 HOURS
    • BULGARIA
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 13 TESTS
    GROUPS:
  • Master of GIS / Web Developer / Map Specialist/ Geospatial Expert

    - Master of Geoinformatics and Geodesy (MSc) - Bachelor of Geography (B.S.) - can work immediately - available for full time GIS job (8+ hours/day for $2000+/month) - very fast worker - Seeking position requiring excellent geoinformatics skills - Working from home, considering my … more

    - Master of Geoinformatics and Geodesy (MSc) - Bachelor of Geography (B.S.) - can work immediately - available for full time GIS job (8+ hours/day for $2000+/month) - very fast worker - Seeking position requiring excellent geoinformatics skills - Working from home, considering my location (Europe, Croatia) - mapping expert (all kind of maps) - Google Maps expert - web mapping: OpenLayers, Leaflet API, jQuery, jVectorMap, MapBox, CloudMade - HTML, CSS, Javascript - Sofware: AutoCAD Map 3D, ArcGIS, Geomedia, GRASS GIS, MapServer, GeoServer, Google SketchUp expert, Quantum GIS, uDig, MapGuide - GIS Work with Ortho & Raster Image - shapefiles expert - Adobe Photoshop and Adobe InDesign skills - work with databases (PostgreSQL and MySQL) - programming experience (PHP) - Geography education ( Economic, Cultural, Physical, Regional, Agricultural, Historical Geography; Planning Theory; Regional Development; Water Resources Planning; Latin America; African-American Migration and Settlement Patterns; Environmental Management) - fast typer (80 wpm)  less

    gis postgresql google-maps-api javascript arcgis digital-mapping mapinfo openlayers oracle-plsql python 00 more less
    • $16.67 HOURLY RATE
    • 4.7
    • 240 HOURS
    • CROATIA
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 5 TESTS
    GROUPS:
  • SQLServerBI\DW\BigData\Data Analyst\NoSQL\KDD\SoftwareEngineer\QCSE\ML

    As a Software Engineer, I have more than 12 years of experience covering all aspects of software development life cycle. Worked closely and effectively with all levels of management Involved in all system development lifecycles Completed project development from analysis … more

    As a Software Engineer, I have more than 12 years of experience covering all aspects of software development life cycle. Worked closely and effectively with all levels of management Involved in all system development lifecycles Completed project development from analysis, design and building through to implementation and live production. Used both Waterfall and Agile Methodologies (Scrum Development followed by Iteration / Product Backlog, Stories, Iteration, On time Release and so on) Able to adapt quickly to changing requirements, deadlines, priorities, and technologies Worked under extreme pressure to meet deadlines. Skills • Designing multi-tiered/distributed Web and Desktop applications using .Net (C #) v1.1, 2.0, 3.0, 3.5, 4, Visual Basic 6, Visual FoxPro 9, Classic. • Hands-on knowledge on ASP.NET, ASP.NET MVC Framework, Silverlight. SharePoint, Webpart, WPF, WCF, WF, XML Web Service, SOAP, REST, CSS, LESS, IIS, Telerik’s Web Controls, Entity Framework, ADO.Net Data Service, WPF PRISM-UNITY Framework. • Source Control: Visual SourceSafe, Star Team, TFS, SubVersion • Scripting Language JQuery, JavaScript, VBScript, HTML, XML, XSD, XSLT • Using various design pattern: Command Pattern, Factory Method, Abstract Factory, Repository, Template design, Singleton, MVC, MVVM • Knowledge about REST service, Iqueryable , IEnumerable, URI resource. • SOA experience • Design patterns experience • TDD and/or Unit testing experience • Experienced with MTS (COM+), MSMQ • Experienced in Designing Database objects with normalized\de-normalized form. • Designing effective and Vulnerable to SQL injection protective T-SQL queries, stored procedures and functions. • Performance tuning of the database (Good-Indexing, Index defrag) & Stored Procedures (Low cost & effective SQL). • Database Administrative work: backup, recovery, indexing, DBCC, performance tuning and so on • Designing Data warehousing and ETL Process using T-SQL and SQL Server Integration Service and SSAS • Writing Ad-hoc Query using OpenXML, OpenDatasource, OpenQuery to Export /Import text, CSV, xls file data. • Experienced with Extracting, transforming and loading data from various data source for data ware house and ODS (Operational Data Store) using SQL Server Integration Service and T-SQL. • Designing DTS package using SQL server 2000. • Creating Cube with Dimension and fact table with star schema and snowflake schema using SS Analysis Service • Writing MDX Query for various reporting purposes • Creating RDLs with SQL Server 2005/2008 Reporting Service including Sub Reports, KPI • Designing custom data processing extension and used embedded assembly to write business logic using C# in RDL • Experience with Oracle: PL-SQL, Packages, Triggers, Backup, Recovery • Sound Knowledge on C\C++, Visual C++, MFC, ATL • Experienced with Big Data analysis with NoSQL databases MongoDB, Hadoop HDFS/MapReduce, Hive, Pig, Oozie and so on. Sound knowledge on Statistical Language R, RHadoop and RHive. • Experienced on test automation software TestComplete, NameMapping, Jscript • Worked with HTML5, AngularJS  less

    data-warehousing asp.net 00 more less
    • $30.00 HOURLY RATE
    • 5.0
    • 71 HOURS
    • BANGLADESH
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 6 TESTS
  • Database Consultant

    Over the last 11 years, I have developed no. of Software using Oracle, MS SQL, Access as a back-end and Visual Basic, Java as a front-end and Crystal Report and Data Report as a reporting tool. I also have excellent … more

    Over the last 11 years, I have developed no. of Software using Oracle, MS SQL, Access as a back-end and Visual Basic, Java as a front-end and Crystal Report and Data Report as a reporting tool. I also have excellent experience on Oracle Administration. Here are the details of my few recent Oracle experience: #. Currently working as a Oracle DBA Consultant. 1. D2Hawkeye Services (U.S. Based Company), currently involved as Oracle DBA training consultant. Provide Oracle DBA training and technical support(like performance issues, code samples, SQL tuning, Backup strategy, creating Server Managed Backup Scripts, etc) to the working staffs. 2. Midas Technology (Local Software Company, specialized in Hospital Management System and Colleges, Schools Software), currently involved as Oracle Consultant. Task performed so far from this organization: a. Oracle DBA training to the staffs. b. Oracle Database Server configuration at Manipal Hospital for peak performance. Configured Oracle Data Guard (Physical Stand-by Database). c. Successfully recovered the critical databases of Neuro Hospital, Whitehouse College and Teaching Hospital, Syakar Co. Ltd. (Largest Vehicle importer of the country), Himal Iron & Steel Industries due to Media Failure. (Note:, the databases at Whitehouse College and Himal Iron and Steel Industries were running in no- archive mode and the database was successfully recovered to the point of failure). d. Configuration and installation of Oracle RAC database at Dulikhel Hospital. Also configured for Oracle Data Gurad. e. Has done performance tuning in no. of critical databases. 3. Has done number of Oracle Database Server customization, configuration for small organizations. I also have a lots of training experience on MS SQL, Oracle, Java and Visual Basic since 2000. I have been providing training to the working professionals. Hear are the few organization, I have given training at: • Nepal Bank Ltd. • Nepal Telecom • D2Hawkeye Services (U.S. Based company) • Nepal Investment Bank • Nepal Agriculture Bank • Lumbini Bank • National College of Computer Studies • Manipal Medical College • Midas Software • Designco Software  less

    sql microsoft-visual-basic java microsoft-access oracle-database vba php javascript html ajax mysql 00 more less
    • $33.33 HOURLY RATE
    • 4.7
    • 407 HOURS
    • NEPAL
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 7 TESTS
  • Systems and software specialist

    I like working on anything revolves around the IT ecosystem, and find the most fun in troubleshooting problems and working around strict requirements and deadlines. My peculiarity is discovering the root cause of a problem and working out the best … more

    I like working on anything revolves around the IT ecosystem, and find the most fun in troubleshooting problems and working around strict requirements and deadlines. My peculiarity is discovering the root cause of a problem and working out the best solution in a very short time. I'm a self-taught Linux systems administrator, full stack developer and jack of all trades in systems design and maintenance. I have experience in C and Python programming, software design and management, Linux and Solaris systems administration, and high expertise in maintaining and tuning MySQL databases. I also develop modern and rich web applications with HTML5, Javascript and AngularJS. Other interests in web design, typography and improving team processes and workflows.  less

    linux-system-administration python c go-programming-language javascript bash mysql html css ldap 00 more less
    • $44.44 HOURLY RATE
    • 5.0
    • 689 HOURS
    • UNITED KINGDOM
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 8 TESTS
  • Professional Java Developer

    I am an experienced and professional Java Developer. For the last 6 years I have been developing mainly enterprise solutions - both desktop and web oriented. I have a solid algorithmic background - won numerous awards from algorithm competitions. If you are … more

    I am an experienced and professional Java Developer. For the last 6 years I have been developing mainly enterprise solutions - both desktop and web oriented. I have a solid algorithmic background - won numerous awards from algorithm competitions. If you are interested for details - look at the "Other Experience" part of my profile. I am mainly seeking to develop complex and challenging Java applications - no matter if web or desktop.  less

    java swing spring-framework hibernate jsf facelets ejb jpa jdbc postgresql primefaces richfaces apache-maven apache-ant glassfish jboss apache-tomcat netbeans eclipse microsoft-visual-studio svn git 00 more less
    • $22.22 HOURLY RATE
    • 5.0
    • 1963 HOURS
    • BULGARIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 5 TESTS
  • RoR Lead Dev / Technical Architect: distributed apps / 11k oDesk hours

    Non-agency professional skilled in: * Ruby on Rails (2.x -- 4.x) * Complex background jobs processing (Sidekiq, Resque,..) * Message queuing with RabbitMQ * RDBMS (PostgreSQL, MySQL) * NoSQL databases (Redis, Riak) * Amazon Web Services (EC2, S3, Glacier, Redshift,..) * RESTful API implementation * RoR applications … more

    Non-agency professional skilled in: * Ruby on Rails (2.x -- 4.x) * Complex background jobs processing (Sidekiq, Resque,..) * Message queuing with RabbitMQ * RDBMS (PostgreSQL, MySQL) * NoSQL databases (Redis, Riak) * Amazon Web Services (EC2, S3, Glacier, Redshift,..) * RESTful API implementation * RoR applications deploy, monitoring, maintenance (on Windows and Linux) * Semistructured data parsing (ANTLR + custom parsers) * Facebook integration (authentication and FQL) * Column-oriented DBMS (MonetDB, InfiniDB, Infobright, Vertica) * Big data cloud-based solutions (Google BigQuery, Amazon Redshift) I can perform solution architecture design / redesign & refactoring / implementation. I'm also capable of performing thorough review of existing RoR applications and making a list of suggestions on how to improve — did that for several clients and they were all happy. ) Involved in professional programming since 2006, I have participated in development of several complex projects, including business intelligence web application for Nielsen (Nielsen Answers; C# / ASP.NET), contemporary art web portal ArtSlant.com (RoR / ASP.NET components, Amazon/Rackspace clouds), .NET-powered desktop software package and RoR-based web application for complex management of large statistical datasets, comprehensive web-based ERP system (Rails 4), and other projects. I like challenges, have solid skills of problem solving and do not require supervision to successfully perform my duties. My communication and planning skills are good enough to coordinate other people's work, and I'm ready to combine development responsibilities with project/product management (in agile way).  less

    ruby-on-rails ruby postgresql mysql git amazon-ec2 amazon-s3 object-oriented-design code-refactoring test-driven-development bdd javascript jquery css3 html5 xml data-analysis data-science statistics data-scraping data-backup rest sql lamp-administration linux-system-administration windows-administration database-administration .net-framework c# vertica 00 more less
    • $55.56 HOURLY RATE
    • 5.0
    • 11367 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 3 TESTS
  • I have experience in providing solutions in Higher education market. I have experience in developing and supporting MOOC systems for multiple customers and also provide customization for Canvas LMS, BigBlueButton open conference system and Kaltura open video platforms. I am … more

    I have experience in providing solutions in Higher education market. I have experience in developing and supporting MOOC systems for multiple customers and also provide customization for Canvas LMS, BigBlueButton open conference system and Kaltura open video platforms. I am currently working on Kuali rice and Kuali Student platforms and developing REST API based integration between Kuali Student Curriculum management system and Canvas LMS system to manage courses, program and Learning outscomes, etc. I am looking to for works related to education market, projects related to Alfresco documentation management system, Workflow Development using Activiti, Canvas LMS, BigBlueButton open conference system and Kaltura open video platforms, etc.  less

    ruby ruby-on-rails core-java 00 more less
    • $33.33 HOURLY RATE
    • 4.5
    • 10 HOURS
    • INDIA
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 2 TESTS
  • Senior developer

    With over 7 years of experience in many kind of projects, mainly in .Net technologies such as WPF, WCF, Biztalk, Asp.Net, SqlServer, ... as well as mobile platforms such as: Android/iPhone/WindowPhone. I am seeking for the opportunities to … more

    With over 7 years of experience in many kind of projects, mainly in .Net technologies such as WPF, WCF, Biztalk, Asp.Net, SqlServer, ... as well as mobile platforms such as: Android/iPhone/WindowPhone. I am seeking for the opportunities to develop challenge systems. I also consider freelance is my job. Please visit my site (personal page) for the updated portfolio http://duyanhth.com/?page_id=5  less

    android-app-development asp.net wpf wcf biztalk-server iphone-app-development database-programming windows-phone microsoft-sql-server-development 00 more less
    • $30.00 HOURLY RATE
    • 4.9
    • 982 HOURS
    • VIETNAM
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 2 TESTS
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