Summary
Overview
Work History
Education
Skills
Accomplishments
DIGITAL CREDENTIAL
AWARDS
CERTIFICATIONS
Timeline
Generic

VENKATA JALLEPALLE

Snowflake Developer

Summary

Experienced Data Engineer and Snowflake Developer with 20 years in IT, specializing in Snowflake for over 5 years and ETL development for more than a decade. Demonstrated success as an ETL Lead, executing large-scale data integration projects with tools like Informatica, Talend, dbt, and SQL. Skilled in data modeling, SQL optimization, and performance tuning, with practical knowledge in Snowflake migration and modernizing data warehouses. Acknowledged for strong leadership and ability to align technical solutions with business objectives.

Overview

20
20
years of professional experience

Work History

Snowflake Developer

IBM india
Hyderabad
03.2019 - 06.2025
  • Executed end-to-end migration of enterprise data warehouse from Prudential to Empower’s Snowflake Cloud, ensuring minimal downtime and seamless transition.
  • Designed and implemented scalable ETL/ELT pipelines in Snowflake for data extraction, transformation, and loading from diverse sources.
  • Worked extensively with various file formats (CSV, JSON, Parquet, Avro, ORC, XML) for ingestion, transformation, and analytics.
  • Developed and optimized complex SQL queries, stored procedures, and UDFs to enhance performance and scalability.
  • Configured Snowpipe for continuous and automated ingestion of structured and semi-structured data.
  • Implemented Change Data Capture (CDC) using Snowflake Dynamic Tables and Streams for near real-time data synchronization.
  • Built AWS-integrated pipelines with Snowflake for robust and automated data engineering solutions.
  • Leveraged Zero-Copy Cloning for cost-efficient testing, environment replication, and rapid prototyping.
  • Utilized Time Travel and Fail-Safe for historical data restoration, compliance, and disaster recovery.
  • Applied Transient & Temporary Tables for staging, sandboxing, and intermediate data transformations.
  • Implemented Streams and Tasks for orchestration of near real-time and scheduled pipelines.
  • Designed and maintained Materialized Views to accelerate query performance and optimize reporting dashboards.
  • Enabled Secure Data Sharing across business units, partner organizations, and downstream systems without data duplication.
  • Applied Snowflake security best practices including RBAC, network policies, masking policies, and encryption for regulatory compliance.
  • Performed query performance tuning using clustering, micro-partitioning, and caching techniques.
  • Automated data quality checks, validation frameworks, and monitoring dashboards to ensure reliability and accuracy.
  • Collaborated with cross-functional teams (business analysts, data scientists, DevOps) and conducted code reviews to ensure adherence to best practices.
  • Documented ETL workflows, architecture diagrams, and metadata repositories for maintainability and knowledge sharing

ETL Lead

IBM india
Hyderabad
05.2010 - 02.2019
  • Designed and implemented complex ETL workflows using Datastage, enhancing data processing efficiency.
  • Developed and optimized SQL queries for effective data extraction and transformation.
  • Executed functional, performance, integration, and regression tests to validate ETL workflows.
  • Utilized advanced ETL techniques like change data capture for efficient data management.
  • Conducted performance tuning of ETL processes to adhere to service level agreements.
  • Integrated ETL solutions with source systems and data warehouses for seamless data flow.
  • Mentored junior ETL developers through code reviews and best practices sharing.
  • Created and maintained comprehensive database documentation for system processes.
  • Developed stored procedures, functions and triggers to support application requirements.
  • Tested databases and performed bug fixes.
  • Implemented data quality checks to ensure accurate data processing.
  • Mentored junior developers on best practices and ETL tools.
  • Utilized shell scripting to create automated workflows that orchestrate entire ETL processes.

SR. TECHNICAL ASSOCIATE

TECH MAHINDRA
03.2007 - 05.2010
  • Upgraded software infrastructure to boost operational efficiency and customer experience.
  • Developed tailored software solutions to meet evolving requirements of telecom industry.
  • Created scripts for server-side table alterations and data validations.
  • Implemented PL/SQL procedures to optimize data loading and processing in DB2.
  • Managed data transfers between flat files and DB2 tables using efficient utilities.
  • Identified test scenarios to validate changes without affecting DataStage job performance.
  • Generated reports to monitor project progress and outcomes.
  • Optimized existing queries to improve data retrieval speed.

SOFTWARE ENGINEER

INTELLIGROUP
Hyderabad
06.2006 - 12.2006
  • Contributed to key project implementations for a leading $2 billion company in 2005.
  • Conducted code reviews to ensure adherence to coding standards and best practices.
  • Utilized SQL queries for thorough data validation and backend testing.
  • Validated data files from source systems to ensure accurate capture for target tables.
  • Developed test cases based on ETL specifications, use cases, and design documents.
  • Participated in designing and testing scalable, reusable, low-maintenance ETL templates.
  • Prepared transformation rules and data mappings to preserve functionality post-upgrade.
  • Supported business process improvement through rule-based policy enforcement and application integration.

Consultant

SQLSTAR
Hyderabad
07.2005 - 05.2006
  • Automated manual workflows for GE Supply Process, enhancing order confirmation efficiency.
  • Developed generic workflow to replace Excel-based processes across multiple operations.
  • Designed stored procedures for incremental extraction based on timestamp and record flags.
  • Implemented slowly changing dimensions I and II according to business requirements.
  • Created test plans and cases, conducting unit testing, system integration testing, and user acceptance testing.
  • Scheduled workflows using AutoSys to ensure timely execution.
  • Communicated error logs to project DBAs and project leads for resolution.
  • Provided daily updates to project leads regarding development progress.

Education

Master of Computer Applications -

Osmania University
Hyderabad, India

Bachelor of Science -

UTKAL University
Orissa, India

Skills

  • Snowflake integration
  • SQL query optimization
  • Data modeling
  • Agile methodology
  • DBT analytics
  • ETL frameworks
  • Data architecture
  • Database development
  • DB2, Oracle, SQL Server proficiency
  • PostgreSQL management
  • AWS solutions
  • Unix systems administration
  • Python scripting
  • Hadoop technologies
  • Toad for data analysis

Accomplishments

  • Successful Snowflake Migration: Lead and part of the team to migrate a complex data warehouse to Snowflake, reducing query times by 50%.
  • Developed and implemented optimization strategies that reduced ETL run time by 75%
  • Successfully developed a Python script for migrating data from Greenplum to Hadoop, improving efficiency and accuracy of the migration process.

DIGITAL CREDENTIAL

  • watsonx.ai Technical Sales
  • Intermediate Python for Data Science
  • Data Science Foundations
  • IBM AI Associate for All IBMers
  • IBM Watson Essentials
  • Spark - Level 1

AWARDS

  • Recognized with the prestigious Manager Exemplar Award for 2023 at IBM, an honor bestowed upon top-performing managers for exemplary leadership.

CERTIFICATIONS

  • Snowpro core certification
  • Certified SAFe® 4 Practitioner
  • AWS Certified Solutions Architect Associate
  • PCEP – Certified Entry-Level Python Programmer
  • Oracle certified Associate

Timeline

Snowflake Developer

IBM india
03.2019 - 06.2025

ETL Lead

IBM india
05.2010 - 02.2019

SR. TECHNICAL ASSOCIATE

TECH MAHINDRA
03.2007 - 05.2010

SOFTWARE ENGINEER

INTELLIGROUP
06.2006 - 12.2006

Consultant

SQLSTAR
07.2005 - 05.2006

Master of Computer Applications -

Osmania University

Bachelor of Science -

UTKAL University

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VENKATA JALLEPALLE