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Last updated: May 1, 2015

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  1. Joaquín González Carrasco

    Joaquín González Carrasco

    Oracle performance tuning DBA/developer

    Spain - Last active: 14 days ago - Tests: 4

    I am an experienced Oracle DBA/developer. I've been working in jobs related with Oracle Database since 2002. I've been focused around managing Oracle DB, troubleshooting Oracle performance, tuning Oracle instance, relational database design and development and tuning of SQL and PL/SQL to improve performance. Also SQLServer, MySQL and MongoDB Knowledge. You can check my linkedin full profile at: You can check my pl/sql & database design knowledge at: Currently ranked 42th among 10.000 players all over the world, playing daily quizzes about PL/SQL since 2010. Currently ranked 4th among 500 players over the world, playing weekly quizzes about Database Design since 2013. I'm currently available only for part time jobs.

    $15.00 /hr
    0 hours
  2. Aleksey Emelianovich

    Aleksey Emelianovich

    Oracle Developer(PL\SQL), Oracle Performance Tuning

    Belarus - Last active: 06/02/2014 - Tests: 1

    SUMMARY: • Over 4 years of experience in system analysis and software development based on Oracle products and technologies • Designing and developing database structure (OLTP systems, data warehouses) • SQL performance tuning. • Development of stored procedures/functions/triggers/packages/etc.(PL/SQL). • Analyzing and working out solutions for business objectives. • Administrating and maintaining Oracle database. • Working with Oracle EBS (creating and implementing Oracle Forms,Concurrent Programs etc.) – since November, 2013 TECHNICAL BACKGROUND Programming languages: PL/SQL, SQL DBMS: Oracle(9i-11g) IDEs: PL/SQL Developer, Toad, SQL Developer Requirements Development and Management tools: ERWin, Balsamic Mockups, SVN, Bugzilla Text and spreadsheet processors: Microsoft Office (Word, Excel, Power Point) Operating systems: Windows (expert user), Linux(novice)

    $34.72 /hr
    0 hours
  3. Jarod Sun

    Jarod Sun

    Oracle Senior DBA & Performance Tuning expert

    China - Last active: 11/05/2013 - Tests: 1

    5 years application development experience focus on web application and website build. like coding with PHP and Python language. familiar business knowledge about finance and telecommunication industry. more that 10 years Oracle database administration and performance tuning experience in finance industry and telecommunication industry with very Large Database and 7x24 huge DB. have 3 years work experience in oracle china delivery team.

    $66.67 /hr
    0 hours
  4. Oleksii Glukhanyk

    Oleksii Glukhanyk

    Oracle DBA, Oracle Performance Tuning

    Ukraine - Last active: 14 days ago - Tests: 5

    I am a Oracle DBA with 5 years of experience. I have administer databases with different requirements and have experience in dealing with developers, system and network administrators and customers. My core competency lies in complete end-end management of a databases. I have experience in: - Installing, updating and patching database - Using imp/exp and data pump utilities - SQL tuning - Backup and restore planing using rman, cold backups and dumps - Writing scripts to automate work (Batch files and Shell scripts) - Setup RAC and standby systems - Monitoring and tuning of databases - Build heterogeneous systems with other databases (MySQL, MSSQL, Excel etc.) - Loading data from flat files and other sources - Make trace files and analyze it Work with both Windows and Linux operation systems.

    $15.00 /hr
    0 hours
  5. Praful S.

    Praful S.

    Expert in Oracle Performance Tuning, Oracle Architect

    India - Last active: 1 month ago - Tests: 2

    worked on Oracle based technologies. Having strong technical skills in Oracle Performance Engineering/Tuning, Oracle Applications Finance modules, and good conceptual knowledge on Oracle Middleware technology (SOA) tool – Oracle BPEL & Integration architecture. Excellent skills in Oracle Performance Engineering. Prepared Oracle Best practices with Oracle 11g/10g new advance features. Given many Oracle based training on Oracle Performance Tuning & Oracle PL/SQL Best Practices . Worked on new ideas/ initiatives using Oracle Technologies to solve business problems and automation of business processes. Written Technical White Paper on Oracle Performance Engineering, Oracle Report Server Architecture. • Worked on Oracle Applications financials 11.0.3/11i Expertise in oracle forms, reports, pl/sql , Toad Working as a Sr Architect on multiple Oracle Performance projects to fix any performance issues related with Oracle Applications (ERP) on Oracle 11g/10g databases. I am responsible to execute, manage & delivery of multiple PE projects. - helped organization to find & get right business opportunities in Oracle Performance area to achieve organizational growth. - helped client to improve their oracle customizations having more than 150+ programs performance over 85% . - Defined overall PE process / guidelines/ approach / PE checklist - Mentoring to teams on Oracle Performance techniques & advance features. - proving assistance to development team on how to write effective code to avoid any performance issues. - guided business proactively on how to improve scalability of any oracle based program/ database/appln in design , development and on live environment. following Oracle Performance techniques have been used for these projects : - Oracle SQL Tuning - Oracle Optimizer, statistics , Cost based optimizer - Indexes , selectivity , full table scan, cardinality, costs - Access path , Join orders , Join methods - EXIST operator, set based operators - SQL Plan management , SQL Profiles on Oracle upgrade projects - TKPROF, Trace, ADDM , SQL Tuning Advisor, Explain plan - All wait events, consistence reads, physical reads, response time, - SQL Parsing, execute, fetch operations - Function result cache, Pipeline functions - Materialized views, Global Temporary tables, With Clause - Bulk collect with limit , For All to avoid context switches - Analysis of explain plan , Row source operations - Histograms (frequency & height balance) , - Oracle Hints, Oracle pl/sql best practices - Business Requirement Tuning, Design , Integration - reduce work load on OLTP/ operational database. - Other performance improvement techniques like purging / archiving / change frequency timing, usage of reporting database.

    $25.00 /hr
    0 hours
  6. Marcin Rydz

    Marcin Rydz

    Oracle Professional

    Poland - Last active: 4 months ago - Tests: 1

    An Oracle professional with experience acquired during a wide range of projects in Banking, Insurance, Retail and Geodesy industries; Eight years of experience in analysis, design and implementation of IT solutions based on Oracle technologies and products: Oracle RDBMS 11g/10g/9i, SQL, PL/SQL, Oracle Forms/Reports, BI Publisher, E-Business Suite 11i, FlexCube 10, Oracle Retail; A solid background in the database and application performance tuning, database architecture design and solutions for data warehousing and ETL processes; Extensive experience in delivering comprehensive solutions for business – beginning with analysis and design through application programming and finishing with end-user trainings; A good learner, well-organized and committed enthusiast of Oracle technologies, particularly interested in ETL processes, data warehousing and business intelligence; Job type: Contract Contact: LinkedIn: Certificates: Oracle Database SQL Certified Expert Oracle PL/SQL Developer Certified Professional Oracle Database 11g Administrator Certified Professional Specialties: • Oracle SQL, analytical SQL, PL/SQL, BI Publisher, Oracle Forms/Reports, Oracle XML, Oracle APEX • Oracle Data Warehousing, OLAP, ETL, Business Intelligence • Oracle RDBMS 9i/10g/11g administration, performance tuning, SQL and PL/SQL tuning • Oracle e-Business Suite 11i/R12 customizations: AP, AR, FA, PO, GL, OM • Oracle Customer Care & Billing • Oracle FlexCube Core and Direct Banking: CASA, IC, PC, FT, CL, EOC • UML, Enterprise Architect, Agile, JIRA, Mercury Quality Center, Mantis • SQL Developer, PL/SQL Developer, TOAD, SVN, CVS • Linux(Red Hat, OEL), Windows, Unix(Aix, Solaris)

    $50.00 /hr
    0 hours
  7. Rade Pobulić

    Rade Pobulić Agency Contractor

    Oracle database and eBusiness Suite customization expert

    Serbia - Last active: 09/17/2014 - Tests: 3 - Portfolio: 1

    A leading regional Oracle expert since 1987. Top system and solution architect. Highest level of SQL, PL/SQL, database design, performance tuning and BI Publisher skills. Good in XML (XQuery, XPath, XSLT) knowledge. Good in Oracle Apex, Oracle Forms. Good in Oracle EBS (EAM, Financials, Inventory, Purchasing, Order Management, HRMS, Service Contracts, Workflow), excellent customization skills. Basic Oracle BI, Endeca, BPM, Primavera, Fusion CRM skills.

    Associated with: Parallel Belgrade

    $60.00 /hr
    0 hours
  8. Avinash Sinha

    Avinash Sinha

    Expert in Oracle performance optimization,sql tuning, plsql

    India - Last active: 4 months ago - Portfolio: 2

    Around Five years of experience in the IT industry. Expertise in Oracle Performance Consultant, Unix Shell scripting, SQL,PL/SQL development. In depth knowledge of of Oracle Architecture. Expertise in performance tuning of Oracle databases, applications and SQL's. Proven knowledge of data management and architecture techniques. Demonstrated indepth experience in database tuning, oracle performance optimisation. Expertise in production support, data analyst in BFS domain. Strong sql skills. Expert in database programming skills. Good analytical ability, conceptual thinking, planning and organisational skills. Demonstrates expert knowledge and understanding of AML Process, Sanction process and life-cycle of compliance systems and related technology.

    $50.00 /hr
    0 hours
  9. Kiranbabu K.

    Kiranbabu K.

    System / Database Administrator

    India - Last active: 2 months ago

    Database professional with over 13 years of experience with required Project management skills Handled Databases of Fortune 500 companies with diverse knowledge in Database Administration activities from Development to Support Provided Optimal Database designs to International clients to smoothen their operations Performance Tuning expert in fine tuning critical Database applications Good at using project management techniques to improve current processes or to establish reliable approach to start-ups

    $99.00 /hr
    0 hours
  10. Ayo Akingbulu

    Ayo Akingbulu

    Oracle Applications/E-Business Suite DBA Consultant

    Nigeria - Last active: 1 month ago

    a passionate and self-motivated Oracle E-business suite professional who possesses the ability to work with minimum supervision and also has the ability to meet business objectives for quality solutions. My focus is to continue to build on a successful career as an Oracle Applications Database Consultant utilizing strong technical and communication skills I have gained from previous work experience, which will enable me to bring immediate practical benefit to an employer. I am a team player and possess the self-discipline to meet deadlines and develop detailed technical specifications for client requirements. SKILLS: Programming: C, Java, Python, MATLAB, JavaScript, Oracle SQL, PL/SQL. Application Packages: Eclipse IDE, Visual Studio, Microsoft Office Packages – Word, PowerPoint, Excel, Toad for Oracle, PL/SQL Developer, Oracle JDeveloper, Oracle Workflow builder, Oracle Developer Suite. Database/Server Packages: Oracle 9i/10g/11g Database, Linux, HP-Unix (HP-UX 11.23 and HP-UX 11.31), Oracle Solaris for SPARC Super Cluster, Windows Server 2008. Microsoft Operating System Software Installation and maintenance for Windows XP and Windows 7. Oracle ERP - HRMS (Human Resource Management System) , Financials and CRM Techno-Functional Support Skills. Good working knowledge of Oracle Business intelligence and weblogic server administration. Good Knowledge and Support of Oracle SOA Administration and OA Framework development. Expert knowledge and Administration of Oracle E-business Suite Release 11 and 12 on RAC. Expert Knowledge on High-availability RAC/RMAN/Dataguard. Knowledge of OEM, Diagnostic, Tuning, Configuration and Change Management Packs. Strong knowledge and usage of RMAN, Data Pump, Oracle Enterprise Manager and Data Guard, HP SAN(Storage Area Network), HP Data Protector and Replication Service Manager. PROJECTS: Oracle ERP Migration Projects Oracle E-business Suite R12 Upgrade Project Treasury project - Oracle EBS Installation and configuration Oracle E-business Suite Platform Migration Project Oracle ERP implementation projects( Phase 1 and Phase 2) Activities: Oracle E-business suite Release 11i and 12 and Database Monitoring and Performance tuning to ensure peak performance. Installation and Upgrade of application, database and security patches for Oracle Applications Release 11i and 12 and Oracle 10g and 11g databases. Administration and support for oracle IDM database for identity management project. 24/7 technical support for oracle ERP development teams. Installation of Oracle Applications release 12 on Red-hat Linux and Solaris Operating systems. Implementation of RAC and configuration of clusterware, grid and replication. Provide detailed capacity planning for the Oracle ERP Infrastructure. Daily Monitoring and Administration for all Oracle Applications systems. Month-end cloning activities for Oracle E-business suite release 11i and the Oracle 10g database. General Administration and support for contact call center agents on the Oracle CRM application. Generation of daily, weekly and monthly reports for business users and management using Oracle SQL, Oracle Business Intelligence discoverer. Implementation of Oracle Alerts for different business processes across several modules. Development of workflows for business processes across several modules. Daily health check of production EBS to address many instability and performance issues and documented findings and implement recommendations. Daily Administration for Oracle E-business suite 11i and 12 Production, Development and Test environments. Customization and Personalization of Oracle self-service applications. Migration and creation of database objects for custom applications (forms and OA Framework). Daily support for Oracle learning content server. Implementation of Secure Shell Layer for Oracle Applications. Ensured regular and meaningful communication is maintained with the customer when dealing with a fault or issue. Ensured compliance to business rules and make sure service level agreements are met. Oracle Application tuning, Concurrent manager load-balancing, Failover, Shared APPL_TOP configuration for best performance. Identify User Requirements and create, modify or adapt designs accordingly. Liaise with Application and hardware vendors through meetings to review, investigate and provide solutions to issues relating to the Oracle ERP system. Provide support and advice to the End User and Systems Administration team in relation to system capabilities and processes. Working with team in the impact analysis and implementation planning of Enterprise resource applications and infrastructure. EDUCATION: Loughborough University, Loughborough, Leicestershire, United Kingdom (October 2011-September 2012) Internet Computing and Network Security, MSc Babcock University, Ilishan-Remo, Ogun state, Nigeria (2002-2006) Computer Science(Information Systems), BSc

    $50.00 /hr
    0 hours