ETL Developer

3 weeks ago

Coimbatore, Tamil Nadu, India Value Health Inc Full time

Job Title : ETL Developers.

Job Location : Coimbatore.

Type : WFO.

Job description :


Key Responsibilities :

ETL Design and Development :


- Design and develop efficient, scalable SSIS packages to extract, transform, and load data between systems.

- Translate business requirements into technical ETL solutions using data flow and control flow logic.

- Develop reusable ETL components that support modular, configuration-driven architecture.

Data Integration and Transformation :

- Integrate data from multiple heterogeneous sources : SQL Server, flat files, APIs, Excel, etc.

- Implement business rules and data transformations such as cleansing, standardization, enrichment, and deduplication.

- Manage incremental loads, full loads, and slowly changing dimensions (SCD) as required.

SQL and Database Development :

- Write complex T-SQL queries, stored procedures, and functions to support data

transformations and staging logic.

- Perform joins, unions, aggregations, filtering, and windowing operations effectively for data preparation.

- Ensure referential integrity and proper indexing for performance.

Performance Tuning :

- Optimize SSIS packages by tuning buffer sizes, using parallelism, and minimizing unnecessary transformations.

- Tune SQL queries and monitor execution plans for efficient data movement and transformation.

- Implement efficient data loads for high-volume environments.

Error Handling and Logging :

- Develop error-handling mechanisms and event logging in SSIS using Event Handlers and custom logging frameworks.

- Implement restartability, checkpoints, and failure notifications in workflows.

Testing and Quality Assurance :

- Conduct unit and integration testing of ETL pipelines.

- Validate data outputs against source and business rules.

- Support QA teams in user acceptance testing (UAT) and defect resolution.

Deployment and Scheduling :

- Package, deploy, and version SSIS solutions across development, test, and production environments.

- Schedule ETL jobs using SQL Server Agent or enterprise job schedulers (e.g., Control-M, Tidal).

- Monitor and troubleshoot job failures and performance issues.

Documentation and Maintenance :

- Maintain documentation for ETL designs, data flow diagrams, transformation logic, and job schedules.

- Update job dependencies and maintain audit trails for data pipelines.

Collaboration and Communication :

- Collaborate with data architects, business analysts, and reporting teams to understand data needs.

- Provide technical support and feedback during requirements analysis and post deployment support.

- Participate in sprint planning, status reporting, and technical reviews.

Compliance and Best Practices :

- Ensure ETL processes comply with data governance, security, and privacy regulations (HIPAA, GDPR, etc.)

- Follow team coding standards, naming conventions, and deployment protocols.

Required Skills & Experience :

- 4 - 8 years of hands-on experience with ETL development using SSIS.

- Strong SQL Server and T-SQL skills.

- Solid understanding of data warehousing concepts and best practices.

- Experience with flat files, Excel, APIs, or other common data sources.

- Familiarity with job scheduling and monitoring (e.g., SQL Agent).

- Strong analytical and troubleshooting skills.

- Ability to work independently and meet deadlines.

Preferred Skills :

- Exposure to Azure Data Factory or cloud-based ETL tools.

- Experience with Power BI or other reporting platforms.

- Experience in healthcare, finance, or regulated domains is a plus.

- Knowledge of version control tools like Git or Azure DevOps.

(ref:hirist.tech)

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