Associate at Cognizant | PySpark Developer | SQL |AWS | Big Data | ETL Specialist | 3 YOE @Cognizant

Bengaluru, Karnataka, India · Hybrid

Bengaluru, Karnataka, India · Hybrid

Bengaluru, Karnataka, India · Hybrid






Bachelor of Engineering, Mechanical Engineering
New Horizon College of Engineering
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Bengaluru
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Data Engineer at Cognizant, Jun 2025 - Present · 1 yr 3 mos, Bengaluru, Karnataka, India · Hybrid, Spearheaded Automation: Played a pivotal role in creating 100+ automated workflows for a major US bank, processing 2 TB of data daily and reducing manual operations by 75%. Azure Infrastructure: Designed scalable, automated data pipelines on Microsoft Azure with 99.9% reliability, leveraging Azure Data Factory, Data Lake, Databricks, PySpark, and DevOps. ETL Optimization: Built parameterized ETL pipelines to reduce data transformation time by 40%. Low-Latency Processing: Delivered data ingestion using PySpark and Delta Live Tables, successfully reducing latency to under 5 seconds for critical streams. Advanced Streaming: Developed Spark Structured Streaming with Change Data Capture (CDC) to improve incremental update efficiency by 30%. IaC Deployment: Managed Infrastructure as Code (IaC) via ARM templates, ensuring 100% deployment consistency across all environments. Leadership & Delivery: Directed a 6-person team segment to deliver 3 critical project phases 60% faster than scheduled, providing high-impact solutions in a fast-paced environment.
Junior Data engineer at Cognizant, Jun 2024 - Jun 2025 · 1 yr 1 mo, Bengaluru, Karnataka, India · Hybrid, Spearheaded Automation: Played a pivotal role in creating 100+ automated workflows for a major US bank, processing 2 TB of data daily and reducing manual operations by 75%. Azure Infrastructure: Designed scalable, automated data pipelines on Microsoft Azure with 99.9% reliability, leveraging Azure Data Factory, Data Lake, Databricks, PySpark, and DevOps. ETL Optimization: Built parameterized ETL pipelines to reduce data transformation time by 40%. Low-Latency Processing: Delivered data ingestion using PySpark and Delta Live Tables, successfully reducing latency to under 5 seconds for critical streams. Advanced Streaming: Developed Spark Structured Streaming with Change Data Capture (CDC) to improve incremental update efficiency by 30%. IaC Deployment: Managed Infrastructure as Code (IaC) via ARM templates, ensuring 100% deployment consistency across all environments. Leadership & Delivery: Directed a 6-person team segment to deliver 3 critical project phases 60% faster than scheduled, providing high-impact solutions in a fast-paced environment.
Data Engineer Trainee at Cognizant, Jun 2023 - Jun 2024 · 1 yr 1 mo, Bengaluru, Karnataka, India · Hybrid, AWS Migration: Spearheaded the migration of 5TB+ of data from legacy Ab Initio (ABI) to AWS cloud infrastructure, ensuring 99% pipeline availability and zero data loss. Quality Assurance: Executed Fermi validation across 200+ migrated datasets, achieving a 100% data accuracy rate and eliminating post-migration structural discrepancies. Snowflake Architecture: Engineered historical data loads into Snowflake for 150+ critical business tables, successfully transferring 15 years of historical data while reducing load times by 80%. ITIL Deployment: Managed 30+ successful production deployments using ServiceNow (SNOW) Change Tasks, maintaining a 0% deployment failure rate and strict adherence to ITIL protocols. Query Optimization: Optimized Snowflake data performance by resolving migration bottlenecks, accelerating query execution times by 50% and saving 10+ hours of weekly processing time.
Bachelor of Engineering, Mechanical Engineering, New Horizon College of Engineering