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Senior etl developer skills for your resume and career
15 senior etl developer skills for your resume and career
1. Data Warehouse
Data warehouse, often abbreviated as either DW or DWH is a system used in computing for data analysis as well reporting. The DW is also considered to be an integral component of business intelligence as they also provide storage facilities for both real-time and historical data. ETL and ELT are the two driving forces behind a data warehouse system.
- Devised and constructed high-performance ETL processes that load a normalized operational data store and dimensional data warehouse.
- Collaborated with Business users for requirements gathering and performed impact analysis on existing data warehouse system.
2. Unix
UNIX is a computer operating system that was first created in the 1960s and has been constantly updated since then. The operating system refers to the set of programs that enable a machine to function. It is a multi-user, multi-tasking device that works on computers, laptops, and servers. UNIX systems also have a graphical user interface (GUI), similar to Microsoft Windows, that makes it simple to use.
- Scheduled and monitored automated weekly jobs under UNIX environment.
- Automated Unix shell scripts for getting Production box system health statistics everyday like CPU Usage, Memory Usage and Disk Usage.
3. SQL Server
- Used SQL server transformation for balancing process and pipeline partitioning for mapping optimization.
- Project Type: The sources of the data consist of feeds from applications residing on the mainframe and on SQL server.
4. Informatica Powercenter
- Extract current and historical data load from legacy system and load into policy admin system using Informatica PowerCenter XML generator.
- Created different source definitions to extract data from flat files and relational tables using Informatica PowerCenter.
5. PL/SQL
- Developed Oracle PL/SQL code to write DDL/DML statements and Stored Procedures/functions/packages for data transformation and manipulation.
- Developed and Validated Stored Procedures/Functions/Cursors in accordance with the design using with PL/SQL.
6. Informatica Workflow
- Optimized Data warehouse Informatica workflows and redesigned wherever necessary to remove unwanted mappings which are no longer meets current business requirements.
- Monitored existing Informatica workflows for data loss (aborted/failed sessions); proposed remedies to eliminate failures.
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Java is a widely-known programming language that was invented in 1995 and is owned by Oracle. It is a server-side language that was created to let app developers "write once, run anywhere". It is easy and simple to learn and use and is powerful, fast, and secure. This object-oriented programming language lets the code be reused that automatically lowers the development cost. Java is specially used for android apps, web and application servers, games, database connections, etc. This programming language is closely related to C++ making it easier for the users to switch between the two.
- Worked with Java /J2ee and MVC arch development team and worked for Hibernate mapping and Provided SQL/HQL Queries.
- Implement automated solutions by using scripting and programming languages (Shell/VB/Perl/Java Scripts, Java, VB programming).
8. XML
XML is a medium for storing and transporting data that is independent of software and hardware. XML stands for eXtensible Markup Language. XML, like HTML, is a markup language that was created to store and transport data. It was created with the intention of being self-descriptive. There are no predefined tags in the XML language. Another feature is that XML is extensible.
- Transformed Usage information and process requirements to XML specifications for exploitation by downstream Web technologies.
- Involved in detailed analysis of the various XML source files, Data validation, Data consistency checks for all the feeds.
9. Schema
- Prepared software requirement specifications through interaction with business representatives and designed Star schema, logical and physical database designs.
- Involved in Data Warehouse landing zone schema design and provided data granularity to accommodate time phased CDC requirements.
10. Data Analysis
- Perform business requirement gathering through interactions with data governance team, analyze requirements and source systems and perform data analysis.
- Created Design documents, Source to target mapping documents after understanding requirements and Source system and initial data analysis.
11. Repository
- Involved in Administrative Tasks like Repository Configuration, Job Server configuration, Central Repository configuration, Job Scheduling, Monitoring.
- Created OWB Repository with OWB Repository Assistant, Source Metadata definition, Staging Area metadata definition and Target definition.
12. Toad
Toad is software that manages non-relational and relational databases that database analysts, developers, and database administrators use. Toad helps in minimizing the cuts in delivery timelines of projects. It also helps in maximizing the investment made by users in the field of data technology by automating all the processes.
- Maintained database activities regularly using Toad and also trouble-shouted several issues with Toad.
- Used TOAD for Oracle and BODS Management Console for validating data and monitoring the job progress during unit/integration testing Environment:.
13. Extraction
- Participated in multiple engagements with client organizations to design and develop solutions to cater to their data extraction needs.
- Worked with source system developers and business owners to identify data sources for defining data extraction methodologies.
14. DB2
The DB2, known as the Relational Database Management System, is a type of procedure developed by IBM to run and operate software applications such as Windows, Unix, and the Linux System. This type of system is designed mainly for IBM but was innovated to run in various operating systems. The main feature of the DB2 is to handle and manage a big chunk of data while allowing the users to enter the database engine without any problem.
- Developed backup and recovery strategies depending on the customer requirements using DB2.
- Developed SQL and DB2 procedures, packages and functions to process the data for CGR Project (Complete Goods Reporting).
15. Ssis
SSIC stands for Singapore Standard Industrial Classification. It is a national standard for classifying economic activities such as population censuses, household and business surveys, financial databases etc.
- Gathered requirements to develop SSIS packages by attending team remote meetings and by interpreting complex requirements documents.
- Used user-defined Variables and Parameters in SSIS packages to implement flexibility and manageability.
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List of senior etl developer skills to add to your resume
The most important skills for a senior etl developer resume and required skills for a senior etl developer to have include:
- Data Warehouse
- Unix
- SQL Server
- Informatica Powercenter
- PL/SQL
- Informatica Workflow
- Java
- XML
- Schema
- Data Analysis
- Repository
- Toad
- Extraction
- DB2
- Ssis
- BI
- Aggregator
- Oracle Pl Sql
- Control-M
- Informatica Mappings
- Troubleshooting Support
- Test Cases
- Apex
- Profiling
- QA
- Oracle 11G
- Data Warehousing
- Source Data
- Linux
- Business Rules
- Oracle Sql
- SDLC
- Windows XP
- Load Data
- Informatica Data Quality
- Oracle 10G
- Technical Specifications
- Source Systems
- Business Analysts
- UAT
- Data Models
- Source Qualifier
- Data Marts
- Autosys
- Data Flow
- DataStage
- Debuggers
- Strong Analytical
- Production Environment
- Error Handling
Updated January 8, 2025
