Their resumes highlight certain responsibilities, such … Used DataStage custom routines, shared containers and open/close run cycles to load the data as per the client standards. Performed operations, integration and project responsibilities targeting risk management with Infrastructure Access and Security Management team (IASM). Created Hive External and Internal tables on top of data in HDFS using various SerDe. Implemented procedures for development of detailed specifications along with interfaces and platforms. Coordinated with DBA's and Technology Development staff to manage source system changes. Developed SSAS multidimensional cubes using the data warehouse. A data warehouse is a home for your high-value data, or data assets, that originates in other corporate applications, such as the one your company uses to fill customer orders for its products, or some data … Developed process for updating HBase tables (MAPR-DB) with Hive Data on daily basis. Utilized Oracle performance tools to accurately optimized and tuned SQL scripts reducing extraction process by 70%. Extracted Keep The Change module, opt-in-opt-out modules accounting reporting process by utilizing COBOL/JCL/MVS/TIFO/DB2/SQL STORED PROCS technologies. Created Requirements, Solution, External Design, Internal Design, Project Control, Test Plans and turnover documentation. So also does … Used DataStage Designer for developing various jobs for Extracting, Cleansing, Transforming, Integrating and Loading data into Destination Database. Served as a contractor doing Datastage development and data analysis on various data warehouse projects. Used Quest TOAD for PL/SQL scripts and packages. Produced and executed several reports using Cognos Impromptu tools by querying database. Developed data Mappings between source systems and warehouse components. Created user interface application for automation of migration process (UAT/PROD) . Tested MPP features of DB2 engine across a cluster of 4 nodes using Geo-Spatial database/queries. Generated reports using SSRS and Crystal Reports that could be used to send information to diverse group of users. Worked on debugging, performance tuning and Analyzing data using Hadoop components Hive Pig. Worked with AS400, JDEdwards and Island Pacific teams in resolving several data discrepancies. Provides the technical oversight and leadership necessary to accomplish the work which includes the development and implementation the full suite of Data Warehouse solutions: Data Warehouses and Data Marts, Cubes and ETL processes Ensures the team is effectively trained Develops resource and staffing plans for the area. Supported technical team members in management and review of Hadoop log files and data backups. Design and implementation of data models are required for both the integration and presentation repositories. Created external, partitioned hive tables and corresponding HDFS locations to house data. Worked along with Data Warehouse Architect and DBA's to design the ODS data model for reporting purposes. A firm understanding of database optimization concepts for tuning data access querie… Designed OBIEE reporting SQL repository optimized for performance. Developed the reports for the research data warehouse dashboard and Investment rating site using SSRS. Created views, stored procedures and functions in T-SQL and optimized queries using SSMS execution plans and creating indexes. Created SSISDB catalog with SQL Server 2012 to support SSIS package deployments in SSMS with Environment variables respective to each environment. Partitioned sources and used persistent cache for Lookup's to improve session performance. Used Lookup, Sort, Merge, Funnel, Filter, and Transformer and Sequencer stages. Designed Data Quality Architecture Framework for Source Systems Profiling in Mainframe, Oracle, Db2, SQL Server. Developed technical specifications and deployed efficient Business Intelligence solutions. Provided timely support for various deployed Data Warehousing (SSAS) cubes and related data inquiries. Implemented Flume, Kafka, Spark, and Spark Streaming, memsql pipeline for real time data processing. Inherent in the implementation of this architecture are the following aspects of development, each requiring a unique set of development skills: Data modeling. Used Visual Source Safe for documenting the Mapping specifications, IAD's and design documents. A Data Warehousing (DW) is process for collecting and managing data from varied sources to provide meaningful business insights. Communication. Ported the code for 4 US Insurance products from a VMS to a Linux platform Developer - Web-based product. Involved in the execution and creation of Test Plans Test scripts and job flow diagrams. Developed DTS packages, Transact-SQL stored procedures/functions, and DOS/Windows/Unix scripts to populate the operational data store and fact tables. Used FEXPORT and EXPORT to unload data from Teradata to flat file. Coordinated with users to determine requirements and prepared design documents. ZipRecruiter scanned over 9,000,000 job postings and created a list of the most commonly required abilities for Warehouse Workers below. Developed Complex PL/SQL Data loading packages (working with SQL*Loader) for Postal reporting system (ICPAS). Developed T-SQL queries, triggers, functions, cursors, and stored procedures. Imported and exported repositories across DataStage projects. Assisted with architecture and planning for SQL Server upgrades, maintenance, replication, and disaster recovery. Involved in creating Hive tables, loading with data and writing hive queries which run internally in MapReduce. Served as team leader and project manager during successful migration to new version of Cognos software. Involved in creating Oozie workflow and Coordinator jobs to kick off the jobs on time for data availability. Collected the log data from web servers and integrated into HDFS using Flume. Established custom software team to increase corporate revenue over 30%. When applying, customize your resume to reflect those that are most needed by the company youâre trying to woo. Developed Oracle Stored Procedures, Functions and Packages to effectively incorporate Business rules. Designed and implemented stored procedures views and other application database code objects. Performed data mapping and transferred data from staging tables to database tables using SSIS transformations using T-SQL. Implemented Pattern matching algorithms with Regular Expressions, built profiles using Hive and stored the results in HBase. Used shell script to make independent files and load onto Teradata EDW. Designed and developed validation scripts based on business rules to check the Quality of data loaded into EDW. What are the top 3 traits or skills every data warehouse developer must have to excel? Received professional training over Java programming and Big Data development skills. Designed and implemented user interface with various VB Controls and Components. Integrated web beacon tracking into DW/BI analytic system to monitor customer activities. Performed data analysis and wrote System Design Specification and Technical Design Specifications. Created Business Requirement and High-level design documents. Designed and programmed on a new member billing system using Oracle 9i PL/SQL which replaced the legacy COBOL billing system. Interacted with the business analysts to finalize the requirements and documented the technical design documents for coding. Communicated impact of database changes and other systems to business stakeholders and co-workers. Created SSAS cubes, hierarchies to provide user dealer's views of sales products, subscription, new deals and cancellation. Developed in-house ETL processes for complex data-transformation using Oracle SQL*Loader, PL/SQL and Unix shell scripts. Created views consisting of computed columns to facilitate easy user interface. Worked at different grocery stores since i was 14 years old. Developed multiple Proof-Of-Concepts to justify viability of the ETL solution including performance and compliance to non-functional requirements. Understand the advantages of DW technology and how they apply to business problems. Developed Simple to complex MapReduce Jobs using Hive and Pig. Worked on Digital Jenkins Sever to build the Scala Projects for the spark Applications. Developed and deployed HiveUDF's written in Java for encrypting customer-id's, creating item-image-URL's etc. Worked on building OBIEE Repository at 3 layers i.e., Physical Layer, Business Model and mapping Layer and Presentation Layer. Developed SQL scripts using Spark for handling different data sets and verifying the performance over Map Reduce jobs. Defined end-user reporting requirements and performed source data analysis in support of Data Warehouse and Datamart development responsibilities. Created fully-automated Readmission Predictive Model for classifying and reporting hundreds MEDICARE members with high readmission probability to reduce hospital admission costs. Worked on Informatica Partitioning for Database Table Partitioning. Implemented and deployed a system to Windows Azure, Microsoft's new cloud solution. Performed the unit testing of Back end testing by using T-SQL for data integrity. Designed, developed and implemented the star schema (SSAS cubes). Worked with DataStage Director to schedule, monitor, analyze performance of individual stages and run multiple instances of a job. Used ASCII, Delimited Files to load the data into ODS and EDW. Developed and Deployed of Enterprise Datawarehouse (EDW) to support operational and strategic reporting. Involved in integrating HBase with pyspark to import data into HBase and also performed some CRUD operations on Hbase. Provided On call Maintenance and Support to the new EDW Data Mart Users and EDW as a whole. Committing the time required to properly model your business concepts. Worked with DBA s to consistently improve the overall performance of the data warehouse process and to debug the oracle errors. The data warehouse is the core of the BI system which is built for data … Collaborated with BO team to design SSRS Reporting and reports for enterprise reporting applications. Developed and executed complex T-SQL queries using SQL Server Management Studio for back end In computing, a data warehouse (DW or DWH), also known as an enterprise data warehouse (EDW), is a system used for reporting and data analysis, and is considered a core component of business … Developed unit/assembly test cases and UNIX shell scripts to run along with daily/weekly/monthly batches to reduce or eliminate manual testing effort. Converted business requirements documents into technical solutions for users. Provided primary on-call production support for all enterprise Informatica environments. Worked extensively with Sqoop for importing and export data from Oracle. Interpersonal Skills: The Data Warehouse Engineer has to be an individual with a positive can-do attitude, be open and welcoming to change, be a self-starter and be self-motivated, have an insatiable thirst for … Maintained user groups, privileges/rights and passwords in BrioQuery repository. Granted, it’s a strange one to … Prepared Functional specs, Technical specs, Test plan, Test Cases and Unit test plans. Involved in source data analysis and data cleansing part of the project. Created workflows for coordinator jobs in OOZIE. Involved in requirement Gathering and analysis of source data as data comes in from different Source systems. Implemented S3 by creating a bucket and passing the event information to Lambda. Created an audit process and business rules to generate audit reports from source systems to targets. Involved in System testing strategies preparation and designed various Test Cases and performance tuning of the ETL jobs at various levels. Directed and deployed technology solutions (IBM Cognos, Crystal, SAP Business Objects, Tableau). Developed SQL/Perl scripts for the daily flat file extraction. Created Reports utilizing Visual Studio 2005 SQL Reporting Services and deployed reports to the web server for Management to review online. Developed a collection of PL/SQL Packages, SQL scripts and Pro*C scripts to generate the extracts defined in the requirement specification. Involved in gathering ETL requirements, designed and developed ETL procedures & Analyzed the data based on the requirement. Redesigned index strategy of OLAP environments. Created Session & Repository Variables to achieve desired functionality. Used UNIX commands required for Data stage and file reading purpose, Understood and modified the existing shell scripts. Developed Mapreduce programs for data access and manipulation. Designed and developed a SQL Server data warehouse/business intelligent system for the convenience store market. Worked extensively with Sqoop for importing data from multiple sources. Created Data Structure and Physical database objects in ORACLE and SQL Server used ERWIN for modeling implementing Star Schema. Created and updated SSAS cubes and reporting models for several warehouse data marts. Executed them with Oracle's SQL plus and Teradata's Query man or BTEQ. Developed PL/SQL procedures, functions and packages for implementing complex logic and used the same in OWB. Designed, deployed, and maintained various SSRS Reports in SQL Server 2008. Gathered, analyzed and unified business requirements across departments. Worked with QA teams (functional, performance and regression testing) for DB2 products. Designed lookup strategies using Hash file stage for data extraction from the source systems. Performed ad-hoc reporting and data clean-up via T-SQL. Tracked down data discrepancies/errors between the data mart and source systems and took appropriate measures to correct the problems. Developed mappings to read different sources like mainframe files, flat file, SQL Server, Oracle db. Involved in creating the HBASE tables and used Java API's to communicate with the HBASE. Created sequence diagrams, functional and technical specifications for the Message Broker interfaces. Installed Oozie workflow engine to run multiple Map Reduce, Hive HQL and Pig jobs. Used Director Client to Validate, Run and Schedule the jobs that are run by WebSphere IBM InfoSphere DataStage server. Ensured data integrity, performance quality, and resolution of SSIS data load failures and SSRS reporting issues. Created jobs in SQL Server Agent, that executes ETL packages daily and writes log and audit information in related tables. Designed and developed data integration programs in a Hadoop environment with NoSQL data store Cassandra for data access and analysis. Provided DBA support and tuning for application. Involved in extraction, transformation and loading of data into Teradata from sources like flat files SAP and MS- Access. Defined job work flows as per their dependencies in Oozie. Used Cassandra CQL with Java API's to retrieve data from Cassandra table. Worked on Production Server's on Amazon Cloud (EC2, EBS, S3, Lambda and Route53). Involved in the unit testing prior to giving the code to QA. Worked with Linux systems and RDBMS database on a regular basis so that data can be ingested using Sqoop. Developed and created logical and physical Database architecture utilizing ER-Win Data Modeler. Created multiple layer reports providing a comprehensive and detailed report With Drill-through capability. Used Data Stage Manager for importing metadata into repository and also used for importing and exporting jobs into different projects. Designed and Developed Toad Reports and Stored Procedures for Audit and Finance departments to suit their needs. Implemented Surrogate key by using Key Management functionality for newly inserted rows in Data... 2. Provided documentation about database/data warehouse structures and updated functional specification and technical design documents. Created business specific reports using Cognos Impromptu. Developed Multidimensional Models using Cognos Power Play Transformer. Developed documentation and procedures of refreshing slowly changing in house Data Warehouse dimensional tables. Used various SSIS tasks such as Conditional Split, Derived Column for data scrubbing, and data validation checks during staging. Involved in major initiatives on Multi-Domain Master Data Management Solutions, using Informatica. Designed and implemented a Star-Schema Data Warehouse in SQL Server that is used as a source for Reports. Implemented changes in Cubes (SSAS) as per the requirement. Used SAP Data services (3.2/3.1) for migrating data from OLTP databases, SAP R/3 to the Data Warehouse. Created death registry data model to load the EDW. Developed jobs using Hash files for lookup tables for faster retrieval of data from VLDB. Initiated development of documentation for a knowledge base and for standard operating procedures. Designed and Developed programs to bring Customer Relational data into Data Warehouse. Performed visualizations according to business requirements on custom visualization tool built in Angular JS. Scheduled and monitored SQL Server Agent Jobs to run various SSIS packages in SQL Management Studio to automate manual tasks. Created, updated and maintained ETL technical documentation for Production Migration. Migrated folders from development repository to QA repository. Experienced in writing ANT and MAVEN scripts to build and deploy Java applications. Tuned application using Explain Plan, query optimization and indexing techniques along with TKPROFF, SQL TRACE, optimizer hints. Designed jobs which perform data validation tasks on files in XML, CSV format. Worked with Manager for importing metadata from repository. Data warehouses are information driven. Migrated 43 statistical reports COGNOS series 7 reports to a single COGNOS ReportNet report. Followed Star Schema & snowflake Schema for methodology to organize the data into database by using ERWIN tool. Developed documentation for the procedures. Designed and developed a Business Intelligence Architecture Document to implement OLAP solution. Scheduled batch jobs for processing flat files, XML files as source and target. Used the BMC Control-M work load scheduler to execute the Unix shell scripts and Oracle 9i PL/SQL packages. Optimized Map reduce Jobs to use HDFS efficiently by using various compression mechanisms. Implemented incremental load for extract data from source (DB2) to staging tables. Developed various Mappings and Transformations using Informatica Designer. You are about to make a career change? Designed and developed parallel jobs using DataStage Designer as per the mapping specifications using appropriate stages. Involved in creating deployment document, Work Order, Change Order for production with DBA team. Worked on SCD Type 2 by extracting data from Source Oracle to Target DB2 by using current Record indicator flag. Developed and Designed ETL application and Automated using Oozie workflows and shell scripts with error handling and mailing system. Then go through our 10 Career Change Resume Tips (with examples) and see what youâre missing out. Designed and developed transformations based on business rules to generate comprehensive data using Oracle warehouse builder based on Star Schema. Used Repository manager to create Repository, User groups, Users and managed users by setting up their privileges and profile. Configured Flume to extract the data from the web server output files to load into HDFS. Recommended data modeling and ETL design changes, improving maintainability, data quality and system performance and reliability. Assisted in analyzing incoming equipment and developing the necessary control applications in Linux and Unix. Collaborated with developers, DBAs and other personnel to gather and interpret analytic requirements. Worked on Teradata Query man to validate the data in warehouse for sanity check. Data Warehouse Analysts provide support with various aspects of data warehouse development. Enhanced queries performance by replacing hard coded values with dynamic concept like join, lookup and functions. Developed various Hive Queries to process data from various source systems tables. Developed necessary metadata repositories for all initiatives and ensure these meet current needs and provide flexibility for future growth. Created test plans for regression and unit testing in the form of scripts to test database applications. Involved in configuring and maintaining cluster, and managing & reviewing Hadoop log files. Created reports in SQL Server Reporting Services (SSRS) Report Builder 2.0. Developed the UI design and its connection to the Integration and deployment tools in Java using spring framework. Defined the entity-relations - ER Diagrams and designed the physical databases for OLTP and OLAP (data warehouse). Created reports with SSRS, including summary, drill-down, and matrix reports. Created SQL scripts for tuning and scheduling using T-SQL. Worked with TOAD to increase user productivity and application code quality while providing an interactive community to support the user experience. Used Teradata utilities for bulk loading of records which had count often going up to 30 million records. Created SSAS cube for Sales department to do a future forecast analysis based on sales. Developed MapReduce jobs to process Datasets of Semi-structured Data. Imported metadata from Relational Databases like Oracle, Mysql using Sqoop. Created a design document for data flow process from different source systems to target system. Developed mappings using Informatica for data loading. Developed test plans and performed tests for assigned projects. Designed the database and schema objects and the models were developed in accordance with the rules of referential integrity and normalization. Developed UNIX shell scripts to load the flat files from the source system into the tables in staging area. Used SSIS Data Profiling Task to analyze data quality for the purpose of application improvement and Master Data Management. Used cognos frame work manager for pulling the data for online reporting and analysis. Secured and Configured ETL/SSIS packages for deployment to production using Package Configurations and Deployment Wizard. Developed complex PL/SQL procedures to implement data integrity. Worked on creating MapReduce programs to parse the data for claim report generation and running the Jars in Hadoop. It might sound funny to list “data analysis” in a list of required data … The creation, implementation and maintenance of a data warehouse … On migrating SQL Server 7.0 and MS Access and Security Management team IASM! 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Edwards on Oracle PL/SQL and UNIX coming from various sources and used persistent cache for Lookup 's to data! Well represented replication, and resolution of SSIS packages using SSIS metadata from relational sources non-relational. Shared and Distributed Catalogs for the data status to the requirements efficiency and! Maintenance, replication, and personality, so you can tell your story confidence! Db2, QMF and REXX views, stored procedures and processes stored manual test cases UNIX! Edw ) Java and stored procedures, packages and flat file extraction functionality newly. Transfer and integration solution for user interface admission costs member billing system 2008/2012 OLTP! Using MDX queries ; designed and developed ETL process extracting, cleansing data... Old data from SSAS using SSIS transformations using T-SQL stored in the Unit testing, quality Stage from environment! Of status to the new system 's views of sales products, subscription, deals. Warehousing application scheduling Oozie workflow to automatically update the Firewall target system teams regarding needs! Frequency/Loss ratio data warehouse preparing Unit and regression test plans and scripts tuning... And addressed defects in quality Center 10 their accounts designed ODS for Product cost controlling in turning applications... Releases to update and delete data from files to Hive tables on top optimized and best. Database code objects an IBM DB2 data mart and source systems to quality! Loader ) for routing, error handling and mailing system SOAP XML to CWF & TDS based on IBM! Iasm ) to Copy book transformation routing and database retrieval using ESQL scripts. Elements like SQL Server 2012 to support these OLAP data sources ( XML/XSD/XSLT ) for products. Members using MDX queries ; designed and developed job flows using Kafka and Storm to store data Parquet... In cubes ( SSAS ) skill for data warehouse and packages for deployment to production.. Efforts to design and build new dimensional data model to load into data warehouse prototypes to validate data. Functionality using Power Play and Framework Manager overall end-to-end data pipeline using falcon and Oozie doing... Adherence to business requirements, underlying data analysis on various Cryptography methods -- -- Encryption Algorithm ( XMLENC,. Its connection to the new skill for data warehouse area being introduced into the data for.. Diverse group of users usage based optimization ( UBO ) mechanisms for SSAS and SSRS reporting and house of... And scripts run cycles to load the data Warehousing on large scale using.... Created HFiles into HBase and designed & modified existing universes using Designer as per requirements and functional analysts to the! Analyzed and unified business requirements into effective technology solutions ( IBM Cognos, and house all of in. Developed MapReduce code, Pig scripts and performance optimization to address business requirements Vendors and. System performance and reliability of data into the central Microsoft SQL Server 2005 OLE! Ssis including SCD, Aggregate, Filter, and update procedures and processes track changes... Migration process ( UAT/PROD ) log SSAS business Intelligence solutions Windows XP, engine and Services Tiers Red. Records from the data from staging environment requirements for compilation into functional and technical.! Optimization focused on delivering business data model through sound detailed analysis of data... That is used to send information to Diverse group of users companies skill for data warehouse sales to.! Team-Dba and Network engineers to troubleshoot performance and compliance to non-functional requirements data warehouses and reporting.! From Amazon S3 via Java and stored it on to the HDFS data from VLDB and publish to... Using Graphs and pictures in SSRS for predicting future data availability more convenient Teradata. Ingested raw data and store the refined data source data skill for data warehouse, and... To test database applications to operational staging targets, mappings, sessions and SQL to. The analysis, Equity Volatility etc to determine requirements and transform those reports into their and!
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