Snowflake Python Developer

1 week ago

Bengaluru, India Brisk Win IT PVT Ltd. Full time

About the Role :We are seeking an experienced Snowflake Python Developer with a strong background in Data Warehousing (DWH), ETL, and Big Data technologies. The ideal candidate will have deep hands-on experience in Python/PySpark, Snowflake Data Cloud, and SQL/PL-SQL, along with strong analytical and performance optimization skills.You will play a key role in designing, developing, and maintaining scalable, efficient, and secure data pipelines and ETL processes to support analytics, business intelligence, and data science initiatives.Key Responsibilities :- Design, develop, and implement ETL pipelines to extract, transform, and load data from diverse data sources into Snowflake.- Develop data ingestion and data transformation scripts using Python and PySpark.- Create and optimize Snowflake SQL scripts, stored procedures, and user-defined functions (UDFs) for data transformation and validation.- Implement and maintain data integration workflows across Snowflake, Oracle, and other source systems.- Perform data modeling, schema design, and data partitioning for efficient querying and storage in Snowflake.- Conduct performance tuning for SQL queries, ETL jobs, and data pipelines.- Optimize Snowflake compute and storage costs through best practices and resource monitoring.- Identify and resolve performance bottlenecks in ETL processes and database operations.- Develop automation scripts using Python, Unix shell scripting, and orchestration tools for scheduling and monitoring ETL workflows.- Integrate Snowflake with external data sources, APIs, or third-party systems.- Implement error handling, logging, and alerting mechanisms for pipeline monitoring.- Work closely with data architects, business analysts, and BI developers to ensure data accuracy and consistency.- Collaborate with cross-functional teams to design end-to-end data solutions.- Maintain detailed documentation for ETL processes, data mappings, and database structures.- Support production deployments, troubleshooting, and root cause analysis.Required Skills & Experience :Technical Skills :Programming Languages :- Strong hands-on experience with Python and PySpark.Data Warehousing :- Deep understanding of DWH concepts, ETL methodologies, and data modeling techniques (star/snowflake schema).- Proven expertise with Snowflake (SnowSQL, Streams, Tasks, Time Travel, Cloning, etc.).- Advanced proficiency in Oracle SQL/PL-SQL and performance tuning of complex queries.- Experience with Unix shell scripting for workflow automation.- Familiarity with ETL orchestration or data pipeline tools such as Airflow, Informatica, Talend, or Azure Data Factory (nice to have).- Proficiency with Git and CI/CD integration for data pipelines.- Exposure to AWS, Azure, or GCP cloud data services. (ref:hirist.tech)

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