Sourav Roy

CEO

India7 yrs 6 mos experience

Highly Stable

Key Highlights

Expert in architecting scalable ETL workflows.
Proven track record in cloud data solutions.
Significant cost savings through optimized data processes.

Stackforce AI infers this person is a Data Engineering expert with a focus on cloud-based solutions and ETL processes.

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Skills

Core Skills

EtlData Engineering

Other Skills

AWSAWS LambdaAWS RedshiftAWS Step FunctionsAmazon DynamoDBAmazon QuickSightAmazon RedshiftAmazon S3Amazon Web Services (AWS)AutosysBig Data AnalyticsBusiness Intelligence (BI)CData AnalysisData Cleaning

About

Qlik Talend certified Solution Architect with a proven Track Record for : ✔️ Architecting scalable ETL/ELT workflows using Talend and Python ✔️ Building cloud-based data solutions (AWS, GCP, BigQuery, Snowflake) ✔️ Streamlining data ingestion, transformation, and orchestration pipelines ✔️ Collaborating with cross-functional teams to deliver end-to-end data products 📩 Open to networking, collaboration, and opportunities in cloud data engineering and analytics.

Experience

Hcltech

Senior Technical Lead

Aug 2025 – Present · 7 mos · On-site

Cognizant

Associate-Projects

Feb 2022 – Jul 2025 · 3 yrs 5 mos · On-site

Engineered 50+ Talend ETL jobs; improved Snowflake ingestion speed by 55.8% → enabled onboarding of 1,400+ customers in 7 days.
Optimized 100+ Talend jobs for demand planning → saved $500K annually.
Designed 3NF Snowflake schemas → cut redundancy by 25%.
Built scalable ELT pipelines on AWS (S3, Lambda, Step Functions) and Snowflake for BI analytics.

TalendSnowflakeAWSData IntegrationData MigrationETL+1

Pwc

ETL Developer

Sep 2021 – Feb 2022 · 5 mos · Mumbai, Maharashtra, India

Built AWS Lambda + Step Function pipelines for real-time policy data processing → reduced latency by 25%.
Developed ODI pipelines processing 10M+ daily records with 99.9% accuracy.
Orchestrated $5M+ credit card transaction flows ensuring compliance.

AWS LambdaStep FunctionsOracle Data IntegratorData OrchestrationETLData Engineering

Tata consultancy services

Talend Developer

Jul 2018 – Aug 2021 · 3 yrs 1 mo · Chennai, Tamil Nadu, India

Migrated 10TB+ data to AWS Redshift using Talend Big Data → improved BI accuracy by 35%.
Implemented SCD-Type 1/2 for Power BI reports → reduced operational costs by 18%.
Transformed 30TB+ Parquet data to 3NF Redshift schemas → reduced storage by 20%.

TalendAWS RedshiftPower BIData MigrationETLData Engineering