SATISH VOLETI
Associate Manager
Hyderabad
Summary
Results-driven Data Engineer with 12+ years of experience designing and optimizing big data pipelines using Databricks, PySpark, Python, and Spark SQL. Expertise in data ingestion, transformation, and processing large-scale datasets on cloud and on-prem environments. Proven ability to optimize performance, enhance data quality, and enable real-time analytics in fast-paced enterprise settings.
Professional data engineering leader with strong focus on delivering impactful results. Extensive experience in designing and implementing scalable data architectures, optimizing data pipelines, and leveraging big data technologies. Known for collaborative team leadership, adaptability, and results-driven approach. Skilled in SQL, Python, Spark, and cloud platforms, with keen ability to align technical solutions with business goals.
Overview
9
9
years of professional experience
4
4
years of post-secondary education
4
4
Certifications
Work History
Lead Data Engineer
Accenture Services Pvt Ltd
Hyderabad
04.2021 - Current
- Designed and developed enterprise data models to support analytics, BI, and reporting solutions
- Built OLAP models for data warehouses, improving query performance by 50%
- Designed and developed scalable ETL pipelines in Databricks using PySpark & Spark SQL to process multi-terabyte datasets
- Improved Spark job execution time by 40% through performance tuning & optimization (partitioning, caching, shuffle optimization)
- Built real-time streaming pipelines using Kafka and Structured Streaming for event-driven data processing
- Developed Delta Lake architecture to improve data consistency, ACID compliance, and schema evolution
- Automated data quality checks and monitoring dashboards in Power BI & Grafana for proactive issue resolution
Senior Data Engineer
Tata Consultancy Services
Hyderabad
12.2015 - 04.2021
- Developed normalized and denormalized database schemas for transactional and analytical applications
- Optimized complex SQL queries to improve database performance and reduce latency
- Conducted data profiling and integrity checks, enhancing data consistency across systems
- Migrated on-prem Hadoop workloads to Databricks on Azure, reducing processing costs by 35%
- Developed PySpark-based transformations to cleanse and enrich raw JSON and Parquet datasets
- Created serverless Spark jobs using Azure Data Factory for optimized orchestration
- Implemented Spark SQL queries for efficient aggregations, joins, and window functions
Education
B.Tech - Information Technology
JNTUK University
Guntur 08.2007 - 04.2011
Skills
- Data Modeling
- Big Data & ETL
- Cloud Platforms
- Programming & Scripting
- Databases
- Data Visualization
- Data Governance & Quality
- DevOps & CI/CD
Big data processing
Performance tuning
ETL development
Data quality assurance
Business intelligence
Real-time analytics
SQL programming
Certification
DP-203 Azure Data Engineer Associate
Projectsachievements
- Optimized Supply Chain Analytics: Built using Databricks, PySpark reducing order delays by 30%.
- Cloud Migration: Led data pipeline migration from on-prem to Azure, achieving 50% faster processing.
Timeline
Lead Data Engineer
Accenture Services Pvt Ltd
04.2021 - Current
Senior Data Engineer
Tata Consultancy Services
12.2015 - 04.2021
B.Tech - Information Technology
JNTUK University
08.2007 - 04.2011
DP-203 Azure Data Engineer Associate
DP-900 Microsoft Azure Data Fundamentals
Azure AI Fundamentals
SC-900 Microsoft Security, Compliance and Identity Fundamentals
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