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"Extract, Transform and Load (ETL)" Upwork freelancers typically receive a client rating of 4.62.

Last updated: October 1, 2015

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Chalitha Wickramathilaka

Chalitha Wickramathilaka

Senior Backend Programmer / Tech Lead

Sri Lanka - Tests: 2 - Portfolio: 15

From almost 12 years I have been working with php based web applications. MVC, and Zend Framework 1/2 development environments. I have the same experience with java scripts /jQuery/extjs frameworks. I have more than 7 yrs experience on load balancing . Clustering , and replication over debian, centos and redhat systems. I use Oracle and mysql databases on most of my projects. As a code collaboration tool I am using Gforge with svn/git for my projects. also I have strong experience with iptv application such as tvguides, epg, music applications etc etc. I have been working on high loaded websites, application databases for my work. I have strong knowledge of optimizing web applications smooth run on a very high load. Also I have experience with hardware Visualization on VMware boxes. I have additional experience in ETL Jobs / Mysql clustering / Piranha / php heavy load balancing / caching nodes. Android / FB apps/ REDIS/VMware ESX configuration

100% Job Success
$33.33 /hr
5,082 hours

Andrew S.

Andrew S.

Team Lead: Databases, Java, C#, PHP

Ukraine - Tests: 2 - Portfolio: 2

10+ years of experience in software development and technical team leadership. Deep knowledge in Java and Database area gained in several large-scale database-driven web-application development projects. Java Architect | SeniorDeveloper | TeamLead: - Spring MVC - Hibernate - Tomcat - JSP/JSF/JSTL - JavaScript/AJAX Oracle | MySql Administrator/Developer: - Database structure creation/optimization - Database indexing for better performance - SQL queries performance tuning - Stored procedures/functions/triggers development, PL/SQL - Development of custom incremental data replication Other: - PHP/YII - ASP.NET/C# Industry expertise: - Online sports betting and casino - Pharmaceutical - Vehicle GPS-tracking - ERP Responsibility, high working abilities.

$61.00 /hr
7,565 hours

Kevin O.

Kevin O.

Web Developer / BI Developer

Philippines - Tests: 1 - Portfolio: 5

I am a Junior Programmer with strong knowledge in SOLID Object Oriented Programming Design Principle, Design Patterns (N-Tier, Abstract Factory, Repository, etc) and Agile Software Development. I am excellent Web Developer of MVC 3 and 4 with knowledge in Entity Framework, HTML5, CSS3, Jquery, Ajax, Json, bootstrap, kendo ui, etc. I also excellent BI Developer (SSAS, SSIS, SSRS) with excellent T-SQL and MDX query knowledge.

$5.56 /hr
2,024 hours

Shoriful I.

Shoriful I.

Certified Microsoft Dynamics, SharePoint and Salesforce Consultant

Bangladesh - Tests: 12 - Portfolio: 19

Having experienced with very large multi-million dollar projects for few multibillion dollar company for their ERP projects using MS Dynamics AX 2012 R2. Also works with AX 2009. AX Manufacturing specialist. MS Business Solution Architect with over 11 years of industry experience in delivering various high-quality internet applications and services, scaling from thousands of users. I am also a Microsoft Technology Specialist (MCTS). I am having expertise on ERP (Manufacturing, HR/Payroll, Accounting) module using AX, NAV and GP. Programming experience with MS Dynamics AX/GP/NAV, .NET, SAAS, SharePoint, MS Dynamics CRM, WCF, MS SQL Server, SSRS, SSAS, SSIA, Asp.Net, C#, MVC, EXT.Net, ERP, Agile-Scrum, JQuery, KnockoutJS, Telerik, Salesforce on high scalability architectures. Good sense of design and usability. Experience in planning, design, development, and management of multidisciplinary teams for web projects. CRM: A Certified Microsoft Dynamics CRM Consultant with extensive 8+ years of experience in Microsoft Dynamics CRM implementations in different business verticals like Healthcare, Agrochemical, travel, Real estate, Retails, Banking, Insurance. CRM Versions: 1. CRM 2015 online/on-premise 2. CRM 2013 online/on-premise 3. CRM 2011 online/on-premise 4. CRM 4.0 on-premise • Expertise in implementing CRM solutions to help companies to become more productive using Microsoft CRM as a development platform. • Strong experience in Plug-in writing, custom workflow development, Javascript coding, HTML programming,sharepoint integration, Webservice integration, SSRS reporting. • Experience migration from CRM 4.0 to 2011 and to CRM 2013, migration of legacy system to CRM system. • Strong experience in system & business analysis, designing, implementation, system migration & development of business applications using N-tier architecture with Microsoft Dynamics CRM 2011/4.0 • Advanced skills in integrating and implementing Microsoft Dynamics CRM 2013/CRM 2011/4.0 with, C#, XML, HTML, JavaScript, SQL and Oracle Connectors using ADO.NET applications • Providing training on MS CRM (Basic/Advanced) to End users, new comers. • Complete problem solving and troubleshooting abilities I’m more in: • Business and Requirement Analysis • Plug-g, Workflow, Outlook & Web service Integration development • System & UI Design • Customer Interfacing • Project Management SharePoint: - Design, Development, Testing and Maintenance of a wide range of SharePoint Applications in MS SharePoint Server 2010 and MOSS 2007, WSS 3.0 & SharePoint Server 2003. - SharePoint custom Development, Workflows, InfoPath, Migration, JQuery and SharePoint Client Object Model -Expertise in creating/deploying InfoPath Forms, integration with SharePoint 2010/2007 and automating the business process by using Workflow tools like NINTEX, K2 Workflows. -Expertise in developing Site Templates, Custom Site Definitions, List Definitions and SharePoint Features and SharePoint Solutions using Visual Studio 2010/2008& SharePoint Designer. -Configuring the SharePoint farm for WFE server, Index Server, Search Server, Search based Apps and load balancer. Installed and configured these servers with SharePoint 2007. -Expertise in Developing REST Services, External Content Types and BDC Services. - Created design specs for Security, Taxonomy, Custom Web parts, Context menu features, Content page layouts, Cascading drop down fields, site hierarchy, Site templates, Document library templates Taxonomy Management, Term store Management, Metadata Management and handling throttling Concepts. AX: - Designing and implementing solutions for Microsoft Dynamics AX 4.0/2009/2012, - Integrating Microsoft Dynamics AX with external systems: SharePoint, CRM,Salesforce, - Optimizing existing functionalities, - Dynamics AX administration and upgrading, - Supporting consultants and users in technical aspects of Dynamics AX My Key Business Plus+ - Microsoft Certified Experts - CRM Business Process Experts - Our proven track-record,supported by loads of successful software implementations/ upgrades. - Our quality commitment to customer satisfaction means we'll do what it takes to make sure we deliver the results you expect - Our smaller, more highly-skilled teams work more efficiently, delivering more cost-effective results. Programming experience with .NET, SAAS, SharePoint, MS Dynamics CRM, MVC, ASP.NET, WCF, MS SQL Server, SSRS, SSAS, SSIA, C#, EXT.Net, ERP, Agile-Scrum, JQuery, KnockoutJS, Telerik, Salesforce on high scalability architectures. Good sense of design and usability. Experience in planning, design, development, and management of multidisciplinary teams for web projects. Autonomous, enthusiastic and results oriented.

95% Job Success
$38.89 /hr
1,751 hours

Vikram T.

Vikram T.

Certified ETL, Data Migration & Integration Expert

India - Tests: 9 - Portfolio: 14

Certified Developer, Architect with 10+ years of experience in Data Migration, Integration and ETL. + Top Rated Upwork, Elance and Freelance specialist. + Certified Talend Open Studio & SQL (1Z0-007) Consultant + 5 Star Rating in all Projects + 2300+ Upwork + Elance hours & 3000+ other freelance Hours + 10 years of experience in Data Conversion, Migration and ETL. + Data Import & Extraction (CSV, XML, JSON, Excel etc) + Designing and Modelling Data warehouse for multiple clients. + Developing strategies for populating Datawarehouse from Operational and 3rd party sources. + Data Migration, Transformation and Conversion. + Data Profiling, De-duplication & Merging. + Web Services Data Extraction & Export. + Extracting data from using oAuth authentication. + Relational Database & Dimensional Modelling. + Data from Google Ad words, Analytics and Microsoft Bing Ad-center . + Parsing Address using Google Geo-coding API. I am professional who has worked with clients from around the globe, I am deeply involved in all my projects from start to finish. I listen to my clients attentively and provide them a vision for what they want, and then I collaborate with them to create and execute a plan of action. I continuously provide my clients with the pros and cons on each choice they make and convey my recommendations for their selections. I can fully assure you that I will give my 100% on your Project and use my best abilities, knowledge and skills to deliver the high quality work. I enjoy working with small businesses and individual decision makers to provide architectural and custom business solutions that help my clients resolve mission-critical problems, grow their business, and improve their revenue stream and profitability. My skill sets include: -- Tools Talend Open Studio Clover ETL Ab initio ETL Jasper ETL Tableau Desktop Jaspersoft BI -- Database Microsoft SQL Server MSSQL MySQL DB2 Oracle Hadoop Amazon Redshift -- Environments Unix Linux Windows Mac iOS -- ERP/CRM/Webservices Good Adwords and Analytics Bing Adcenter EventBrite Zoho CRM REST API Amazon Redshift

99% Job Success
$27.78 /hr
2,396 hours

Kaila Mahesh

Kaila Mahesh

PHP MySQL Java Javascript HTML CSS Web Scraping - Full Stack Expert

India - Tests: 4 - Portfolio: 1

An expert in the field of information technology with more than 8 years of experience. Holds professional certificates from Department of Computer Science and diverse background working for Fortune 500 companies, startup companies and number of small business. As a full stack developer I can help you to complete your any project if it web development project or scraping related project. I can work as a lead developer for your project. My objective, here at Odesk is to provide my expertise in the field of website design, web scraping and marketing related software development. Here is the list of my skill, Language ######## PHP Java .net Python Perl PHP Frameworks ############## Laravel Code Igniter CakePHP Zend Database ######### Oracle MySQL SQL Server postgresql SQL Lite PHP Content Management Systems ############################## Drupal Joomla! Magento WordPress Website Design ############## HTML/HTML5 CSS/CSS3 JavaScript jQuery AJAX Social API ########### Facebook API Twitter API LinkedIn API YouTube API Google API Google Maps API Auto Responder ############## Infusionsoft MailChimp iContact Get Response SendReach Aweber Constant Contact GetResponse Campaign Monitor Payment Gateway ############### Paypal Stripe Web Scraping ############# Proxy rotation Solve Captcha Domain Control Panel #################### cPanel plesk whm Webmin Team Collaboration Software ########################### Confluence JIRA Source Control ############## Git SVN CVS

100% Job Success
$33.33 /hr
3,677 hours

Eugene H.

Eugene H. Agency Contractor

Expert Ruby/Rails Developer / Team Lead

Russia - Tests: 3

I'm software architect with specialization on ruby on rails. My responsibilities are: 1. ensure that all requirements taken into account. 2. ensure that chosen workflow is optimal in the current circumstances 3. ensure that the team uses right tools Also, I can assist your team with urgent refactoring n a case if your project is in critical state.​

Groups: Engine Yard Ruby on Rails Professionals Network

Associated with: Aurora

$80.00 /hr
1,150 hours

Madhava Mahishi

Madhava Mahishi Agency Contractor

Pentaho ETL, CDE Dashboards, AWS/Redshift Specialist

India - Tests: 5 - Portfolio: 6

Delivered working BI solutions using Pentaho ETL, CDE/CDF/Ctools & Reports. Designed and implemented Datawarehouse and Datamarts. Expert in AWS services: Redshift, RDS, S3, EC2, etc. Migrated data from Google Analytics, Salesforce,, Harvest, Marketo, Trello, Neo4J, etc.

Associated with: Vertizone IT Pvt. Ltd.

100% Job Success
$40.00 /hr
2,259 hours

Muhammad usman A. Agency Contractor

BI & DWH (Teradata,Qlikview,BO,Cognos,Microstrategy,Tableau,SSRS/SSIS)

Australia - Tests: 4

To provide best in class consulting services to the clients in Business Intelligence (BI) and Data-warehousing domain. My expertise is in following tools: Teradata V2R5/12 Microstrategy - MSTR (8, 9) Qlikview (8, 9) Cognos (7, 8.4) Tableau Business Objects (XIR2, XIR3) Microsoft SSAS / SSRS / SSIS SAS Teradata CRM and Teradata Miner Microsoft Dynamics CRM Pentaho Over the past 11 years, I have been working for three industry leader companies in BI and data-warehousing field. With these companies, I have worked on large scale Business Intelligence and data-warehousing projects in Europe. I have been working for different companies in Telecom, Banking, Finance, Insurance, Airline and Manufacturing industries. I can act as any of the following roles, End-to-End BI and data-warehouse Solution implementation expert, BI Project Concepting, BI Semantic layer Design, BI Reports/Dashboards/Scorecards design and development, Project Management, Business Analyst, BI KPIs Modeling, ETL development, Agile Scrum Master. Certifications: Certified Business Intelligence Professional (CBIP), Certified Cognos Modeler version 8/8.4, Business Objects Certified Professional (Level-2), Teradata Certified Master V2R5, Microstrategy Certified Engineer, ITIL Foundation certification, SAS Base certified, Scrum Master certified from Scrum Alliance.

Associated with: Bilytica private limited

$44.44 /hr
2,399 hours

Vadim K.

Vadim K.

Data Scientist. ML, R, SAS, Python, ETL, AWS Developer.

Russia - Tests: 9

I have 3+ years experience working with data. ETL Developer: SQL, SAS DI, Talend, Oracle DB, GreenPlum DB, PostgrSql, Hadoop, Hive, Pig. Data Scientist/Data Analyst: R, SAS, Python, Machine Learning, D3.js, Spark. I have 4+ years previous experience on developing web applications using PHP, JavaScript, AJAX. Databases: MySQL, Postgresql. Frameworks: JQuery, Code Igniter. CMS: MODx, Wordpress.

97% Job Success
$22.00 /hr
1,183 hours