Sabath Anto
Chennai
Summary
- Overall, 7.8 years of experience, with 5.4 years specializing in Snowflake data warehousing and development.
- Configured and monitored Snowflake Streams for seamless real-time data integration with AWS S3.
- Involved in the creation of the Snow Stream object to create the audit table data backup whenever DML is performed on base tables.
- Experienced in data ingestion, transformation, and aggregation. Working on Snowpipe, Stream, Task, Sequence, Cursor, Time Travel, Audit Table, Task Tree, and writing Stored Procedures & UDFs.
- Knowledgeable in Time Travel, Fail Safe, Zero-Copy Cloning, Data Masking Policy, and data sharing between Snowflake accounts. Created a stage for reading structured and semi-structured data into the Snowflake database.
- Wrote procedures for handling complex business logic, data transformation, error handling, reusable code, and dynamic SQL execution.
- Used Sequences to generate data sequence numbers for primary key serials. Worked with Oracle SQL along with data warehousing concepts like Star Schema, Snowflake Schema, OLTP, and OLAP.
- Demonstrated ability to enhance query performance and optimize Snowflake Warehouse operations.
- Used the Clone technique in Snowflake to take data backups as needed.
- Developed secure views and materialized views to share data with partner applications.
- Knowledgeable in Snowflake Architecture, Pruning, and Clustering Keys to improve query performance and minimize data processing time.
- Expertise includes techniques such as window functions and common table expressions (CTEs) to tackle more complex analytical requirements.
Overview
7
7
years of professional experience
1
1
Certification
Work History
Snowflake Developer
Virtusa Consulting Services Private limited
Chennai
12.2021 - Current
- Experienced with integrating the nested JSON data from AWS S3 bucket into Snowflake table, creating external stages with the VARIANT data type.
- Developed Snowflake objects such as warehouses, schemas, databases, tables, views, pipes, stages.
- Handled error files by using all copy options and identify through validation mode.
- Developed ETL pipelines to load data from various sources, including AWS S3, into Snowflake.
- Developed snowflake Procedures to automate repetitive tasks and complex workflows within Snowflake.
- Tested and debug stored procedures to ensure they perform efficiently and accurately, minimizing errors and optimizing execution times.
- Developed a Time Travel solution for accessing and restoring historical data.
- Developed Snowflake objects such as warehouses, schemas,databases, tables, views, pipes, stages.
- Generated the data sequence number for the primary key serial of the data using sequence.
- Knowledge in Data Transformation and Analysis with Power BI.
Snowflake Developer
Datamatics Technology solutions
Chennai
05.2017 - 12.2021
- Performed data migration from Oracle to Snowflake using the ETL
- Tool Informatica Intelligent Cloud Services (IICS).
- Uploaded data into Snowflake tables from an internal staging area using SnowSQL.
- Utilized SQS queues for managing data ingestion events from AWS S3 to Snowflake, ensuring reliable and efficient data processing.
- Involved in writing stored procedure to load data to snowflake from external/internal stages.
- Document the stored procedures clearly to provide detailed instructions and usage examples for other developers and users, ensuring easy maintenance and future enhancements.
- Created and maintained sequences for generating unique identifiers in database operations.
- Bulk loading from the external stage AWS S3 to snowflake cloud using copy command.
- Managed historical data with Snowflake's Time Travel feature for audits purpose.
- Developed and maintained Snowflake Tasks for scheduling and automating data workflows
- Utilized snowflake streams to capture changes in data
- Developed a series of Snowflake tasks organized as a task tree.These tasks read data from Snowflake stream objects associated
- With the main tables, ensuring continuous data backup during DML operations in the target Snowflake database.
- Responsible to fix any outstanding bugs by backtracking the issue and debug the error using logical abilities.
- Understanding customer requirements, analysis, design, development and implementation into the system.
- Responsible in preparing the document related to test cases and updating it in Confluence page.
Education
B.E - Mechanical Engineering
Rajiv Gandhi College of Engineering
Chennai06-2016
Skills
- Snowflake DB
- REDSHIFT/ORACLE/MYSQL/DATABRICKS SQL/POSTGRESQL/MICROSOFT SQL SERVER
- AWS S3
- ELT/ELT Concept
- DBT
- SSMS
- PYTHON
- IICS
- JIRA
- AUTOSYS
- GIT
- INFORMATICA
- CONTROL M
- SNOW SQL
Certification
- PCEP-Certified Entry-Level Python Programmer
Timeline
Snowflake Developer
Virtusa Consulting Services Private limited
12.2021 - Current
Snowflake Developer
Datamatics Technology solutions
05.2017 - 12.2021
- PCEP-Certified Entry-Level Python Programmer
B.E - Mechanical Engineering
Rajiv Gandhi College of Engineering
Similar Profiles
Ashish SomkuleAshish Somkule
Lead Software Engineer at Virtusa Consulting Services Private LimitedLead Software Engineer at Virtusa Consulting Services Private Limited
Uday Ranga Reddy MandaliUday Ranga Reddy Mandali
Lead Consultant at Virtusa Consulting Services Private Limited, New York Life InsuranceLead Consultant at Virtusa Consulting Services Private Limited, New York Life Insurance
Ranjitha KolanginathanRanjitha Kolanginathan
Lead Consultant at Virtusa Consulting Services Private LimitedLead Consultant at Virtusa Consulting Services Private Limited