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Data warehouse developer skills for your resume and career
15 data warehouse developer skills for your resume and career
1. ETL
- Prepared ETL design specification documents with information on implementation of business logic and specifications of the job flow.
- Created requirements/tasks for creating a new Data Warehouse and designed and developed ETL templates with centralized metadata.
2. Java
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.
- Set up Active Directory integration, Oracle connectivity, customized Java integration and configured the instance.
- Received professional training over Java programming and Big Data development skills.
3. Hadoop
Hadoop is an open-source software and procedures framework that is free for anyone to use on the internet. Hadoop aids in big data operations. It allows massive data storage, applications to be run on commodity hardware, and can easily manage to run various tasks occurring at the same time.
- Designed and developed data integration programs in a Hadoop environment with NoSQL data store Cassandra for data access and analysis.
- Translated functional and technical requirements into detail programs running on Hadoop MapReduce and Spark.
4. 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.
- Implemented Surrogate key by using Key Management functionality for newly inserted rows in Data warehouse which made data availability more convenient.
- Participated in the identification of key performance indicators and methods for data warehouse to assist with operational and strategic planning.
5. Visualization
- Performed visualizations according to business requirements on custom visualization tool built in Angular JS.
- Generated standard reports and provided assistance for data visualization and reporting with Tableau.
6. Data Analysis
- Worked with business user, Business analyst and trading assistant on requirement gathering of the reports requirements, underlying data analysis.
- Perform data analysis to ensure accuracy and integrity of data by understanding business context.
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- Proposed BI solutions for better performance of business by interacting with business stakeholders and created highly used and successful products.
- Assisted Supply chain analysts with automating reporting functionality using Power BI tools.
8. 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.
- Improved the performance of SSIS packages by implementing parallel execution, removing unnecessary sorting and using optimized queries.
- Developed Dynamic packages using SSIS and Implemented Incremental Data Loading.
9. Power Bi
- Design and Developed OLAP cubes using SSAS 2012 and Reports using SSRS 2012 and Power BI Designer for various business modules.
- Trained end users on Power BI.
10. Data Quality
- Identified patterns, data quality issues, and opportunities and leveraged insights by communicating opportunities with business partners.
- Recommended data modeling and ETL design changes, improving maintainability, data quality and system performance and reliability.
11. Data Warehousing
- Developed and supported Data Marts using various Data Warehousing techniques.
- Maintain and manage technical metadata for data warehousing environments.
12. Azure
- Design and Implement Database Schema, Disease data and build stored procedures on SQL Azure.
- Used PowerBI and designed few reports on MS AZURE cloud platform.
13. 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.
- Developed Unix scripts for transforming data into different databases.
- Developed Unix Scripts to run multiple Data Stage jobs in sequence, parallel and to control the dependencies at every stage.
14. Linux
Linux is a Unix-like operating system. Just like Windows, Mac OS, and IOS, Linux is an operating system used by millions across the globe. Android itself is powered by the Linux operating system. Linux manages all the hardware resources that are associated with your computer. The software is famous because of the protection it grants from viruses, malware, and crashes. The Linux operating system is entirely free and is an open-source software meaning it can be altered by those equipped with the knowledge to code.
- Installed and Configured Client tier on Windows XP, Engine and Services Tiers on Red Hat Linux machines.
- Developed, modified and executed Perl and MySQL scripts from Linux command line.
15. HBase
- Developed MR jobs for bulk insertion of Walmart's customer and item data from files to HBASE, Cassandra.
- Implemented HBASE for creating tabular data.
5 Data Warehouse Developer resume examples
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What skills help Data Warehouse Developers find jobs?
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What data warehouse developer skills would you recommend for someone trying to advance their career?
Saquib Ahmed Ph.D.
Assistant Professor, Engineering Technology, SUNY Buffalo State
What type of skills will young data warehouse developers need?
Hongshik Ahn
Professor, Graduate Program Director for Ph.D. Program, Stony Brook University
List of data warehouse developer skills to add to your resume
The most important skills for a data warehouse developer resume and required skills for a data warehouse developer to have include:
- ETL
- Java
- Hadoop
- Data Warehouse
- Visualization
- Data Analysis
- BI
- Ssis
- Power Bi
- Data Quality
- Data Warehousing
- Azure
- Unix
- Linux
- HBase
- Strong Analytical
- SSRS
- Data Lake
- HDFS
- Microsoft SQL Server
- PL/SQL
- T-SQL
- Extraction
- SSAS
- Database Objects
- Data Flow
- Schema
- MapReduce
- XML
- Data Models
- Sqoop
- Error Handling
- Data Marts
- Apache Kafka
- Oracle Sql
- Business Analysts
- Repository
- DB2
- OLAP
- Apache Spark
- Snowflake
- Technical Specifications
- Jenkins
- Teradata
- Profiling
- Source Systems
- Debugging
- QA
Updated January 8, 2025
