ETL Developer
3 weeks ago
Job Title : ETL Developer (Telecom Domain)
Location : Bangalore
Experience : 10-15 Years
Responsibilities :
- Design, develop, and maintain ETL processes to extract, transform, and load data from various sources into data warehouses and data marts.
- Understand and interpret mapping documents to create detailed transformation logic.
- Develop and implement data quality checks and validation processes.
- Optimize ETL processes for performance and scalability.
- Understand data modeling principles and data warehousing concepts.
- Collaborate with data architects to design and implement data models.
- Ensure data integrity and consistency across data warehouses.
- Write and optimize complex SQL queries for data extraction, transformation, and analysis.
- Develop stored procedures, functions, and triggers as needed.
- Utilize your expertise in any ETL tool (e.g., Informatica PowerCenter, Talend, DataStage, SSIS, Azure Data Factory) to develop and maintain ETL processes.
- Stay up-to-date with the latest ETL tools and technologies.
- Leverage your deep understanding of the telecom domain to design and implement relevant data solutions.
- Understand telecom data models, business processes, and industry standards.
- Understand and interpret High-Level Design (HLD) and Low-Level Design (LLD) documents.
- Contribute to the development of design documents as needed.
- Collaborate with data architects, data analysts, and other stakeholders to understand data requirements and deliver solutions.
- Coordinate with cross-functional teams to resolve data-related issues.
- Communicate effectively with technical and non-technical stakeholders.
- Create and maintain detailed technical documentation, including ETL process designs, mapping documents, and data dictionaries.
- Generate reports on ETL process performance and data quality.
- Troubleshoot and resolve ETL process issues and data-related problems.
- Provide support for data warehousing and business intelligence initiatives.
Required Skills :
- DM/ETL Process Knowledge : Deep understanding of data management and ETL processes.
- ETL Tool Knowledge : Expertise in any ETL tool (Informatica PowerCenter, Talend, DataStage, SSIS, Azure Data Factory, etc.).
- Transformation Logic : Ability to understand mapping documents and develop transformation logic.
- Complex Queries : Proficiency in writing complex SQL queries.
- Domain Knowledge : Strong understanding of the telecom domain.
- HLD/LLD Understanding : Ability to understand and interpret High-Level and Low-Level Design documents.
- Coordination Skills : Strong coordination and collaboration skills.
Required Experience :
- 10-15 years of experience as an ETL Developer.
- Proven experience in developing and maintaining ETL processes.
- Strong experience in the telecom domain.
- Experience with data warehousing and data modeling.
- Proficiency in SQL and ETL tools.
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