Greenplum Freelancers

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Dmytro M.

Dmytro M.

Software Engineer / DB Engineer

Ukraine - Last active: 10/06/2014 - Tests: 1

* RDBMSs: PostgreSQL, Greenplum, MySQL, MS SQL Server, IBM DB2; * NoSQL DBs: Riak, Redis, MongoDB; * Languages: Ruby, JavaScript (basic level); * Web framework: Rails; * Markup languages: XML, HTML, YAML, JSON; * Background jobs processing: Sidekiq, Resque; * Message broker: RabbitMQ; * Version control: git; * Software Development Techniques: TDD, BDD, Agile process; * Testing tool: RSpec; * Bugtracking systems: Readmine, Mantis, Request Tracker, JIRA; * BI Tools: SAP BO XI R2/R3, QlikView, JasperReports, Pentaho Business Analytics; * ETL Tools: Jaspersoft ETL, Pentaho Data Integration, RapidMiner; * CMSs: Refinery, Orchard, Umbarco, Joomla, Drupal, WordPress; * Operating Systems: Windows XP/Vista/7, Windows Server 2003/2008, Red Hat, CentOS, Ubuntu, FreeBSD; * Cloud Computing: AWS, RackSpace; * Web Servers: Nginx, Apache; * Virtualization: VMware ESXi, MS Hyper-V; * CRM systems: MS Dynamics CRM 4.0, Sugar CRM, 1C 8.0 CRM; * ERP systems: 1С 8.1/8.2 Manufacturing Enterprise Management, OpenERP; * VoIP: SIP (audio conference system, voice-mail, IVR, etc.); * IP Networks: TCP/IP, WAN/LAN, VPN, routing, firewalls, monitoring tools, tuning and optimization, failover solutions.

$25.56 /hr
535 hours
5.00
Pavel M

Pavel M

Software Engineer

Ukraine - Last active: 3 months ago

11-year experience in Web development. Totally focused on HighLoad projects. I've started in 2003 as a freelancer that was focused on simple and light solutions for local market with self-made CMS engine written on PHP 4. Since that time I've been involving into development in such spheres of web: * Platform for web model video chats * Platform for dating sites (focused on UK and USA audience) * 3rd party integration of PayNetEasy payment system into e-Commerce solutions * Web portals for communities with ~2M visitors per day * Advertisement system with load in ~300M per month * e-Commerce solutions from scratch

$44.44 /hr
149 hours
0.00
Sathish Kumar Loganathan

Sathish Kumar Loganathan

Datawarehouse ETL expert with Linux shell script ,...

India - Last active: 3 months ago - Tests: 2

Im having 4 year of experience in IT industry. Started my career with DWH projects in CITIBANK ITO and had exposure to Large dataset handling. Expert in the below technology stack. Script : Shell script, Oracle PL/SQL Data base : Oracle , Oracle Exadata, Teradata, MySQL OS : Linux , Windows Jobscheduler : control m, crontab, tivoli

$4.44 /hr
0 hours
5.00
Sundaravel Muthaiyan

Sundaravel Muthaiyan

Businees Intelligence and Big Data Architect(Techn...

Australia - Last active: 2 months ago

16 Years of experience in high availability database solution design and implementation(Oracle 11gR2/110gR2 RAC, MS SQL, Greenplum and AWS Redshift), infrastructure solution for ERP, BI and Big data, and performance tuning, database upgrade/migration, backup and recovery solution design and implementation, disaster recovery solution design and implementation, patching, development and support of Oracle & MS SQL Server, GreenPlum, AWS Redshift databases for many multinational companies, and also developed and implemented PL/SQL, SQL,Python and Unix Shell scripting for many business solutions. Professional strengths include database technology expertise (Oracle 8i/9i/10g/11g/12c and MS SQL Server, Greenplum and AWS Redhsift) Cloudera and HortonWork based hadoop ecosystem setup, Data analysis, programming using Python, Sparks, Pig, Hive and Hbase. Data integration across many ERP applications. Data Replication using Oracle GoldenGate among Oracle, MS SQL Server, DB2 UDB, Teradata and PostgreSQL.

$40.00 /hr
0 hours
0.00
Sreenivasan Rajasekaran

Sreenivasan Rajasekaran

DW/BI Expert | Solution Architect | Pre-sales Cons...

India - Last active: 07/01/2014 - Tests: 1

An accomplished Solution Architect with comprehensive, diverse & broad-based 8 years of experience in the field of Data Warehousing, BI, Product Development & Pre-sales/Sales. Worked with top notch clients & organizations at offshore and onsite, in challenging environments and across domains. Implemented end-to-end solutions using various industry leading technologies, Designed & implemented innovative solutions to improve process, accelerate development, reduce costs and increase revenue.

$44.44 /hr
0 hours
0.00
Rajendra Jain

Rajendra Jain

Database Specialist with Business Intelligence

India - Last active: 05/19/2014 - Tests: 1

I have 10 years of hands on experience in SQL Server , Oracle,MySQL , DBA , Developement , performance tuning and architect and designing. I have done numerous database projects involving all aspects.

$83.33 /hr
0 hours
0.00
Gurupreet singh B.

Gurupreet singh B.

Data Analytics, Database Developer, Report Develop...

India - Last active: 06/28/2014 - Tests: 4

My Skills are: -Database Development: Greenplum, Hadoop (HAWQ, Hive & PIG), MSSQL -Analytics: SAS, Tableau Analytics, Excel Analytics -ETL: Pentaho, Informatica -Reporting: SSRS, Tableau, Jasper soft, Crystal Report, Excel Report -Programming: C#.net, ASP.net, SQL, pgplsql, HTML, JavaScript, AJAX -Data operations: Migration, Cleansing, Parsing, Masking, Visualization & Analysis, Reporting, SQL Writing, Optimization & Performance Tuning. -Debugging

$22.22 /hr
0 hours
0.00
Bhushan Mehendale

Bhushan Mehendale

Lead Software Engineer

United States - Last active: 05/20/2014

I have been working as a Software Engineer over 10 years with strong background in SAS, INFORMATICA and COGNOS administration/development expertise. I have developed over 500 modules of Code for wide variety of applications primarily in a healthcare insurance domain. No job is too small or too big and satisfaction is guaranteed, I am available for any questions you may have and will be happy to provide you with my detail resume on request

$16.67 /hr
0 hours
0.00
NARENDRAN D

NARENDRAN D

Business Intelligence Consultant

India - Last active: 09/11/2014 - Tests: 1

Overall 4.3 years of experience in IT with Datastage and Tableau around 4 Years of experience in Analysis, Design, Development and Maintenance phase end to end solutions on Data Warehousing (Business Intelligence) Projects Proficiency: • Comprehensive hands on experience on developing Server and Parallel jobs using Datastage V7.5.2 ETL Tool • Extensive experience in Data Modelling, ETL Performance tuning and OLAP cubes • Good experience on the UNIX shell scripting on IBM AIX flavor • Solid experience on Data Warehousing concepts including the ETL and Reporting aspects • Solid experience on Databases SQL Server 2008, MS Access, Oracle 10G, DB2 and Greenplum with data analysis and validation • Extensive expertise in designing and developing reports, creating and modifying different reports like List, Cross tab, Graph reports in Tableau 7 Business Intelligence.

$16.67 /hr
0 hours
0.00