Ratnesh Kumar Barnwal
Senior Consultant at EY | Python | Azure Data factory | Azure Synpase Analytics | Snowflake | SQL | Informatica | ETL
- Role
- Senior Consultant at EY
- Location
- Pune, MH, IN
- LinkedIn followers
- 500 followers
About Ratnesh Kumar Barnwal
As a Data Engineer with over 9.5 years of experience, I specialize in designing, developing, and optimizing scalable data pipelines and cloud-based data platforms to meet complex business needs—primarily in the banking and financial services domain.I\'m Azure Fundamentals (AZ-900) certified and have worked extensively with Azure services like Azure Data Factory (ADF) and Synapse Analytics, building robust data ingestion, transformation, and warehousing solutions. My expertise spans from data modeling and ETL/ELT design to performance optimization of large-scale analytical workloads.In addition to my cloud and data engineering skills, I bring a strong programming foundation in Python which I use to integrate APIs (ServiceNow, Snowflake, Qualys, and others), automate ETL processes with pandas, and enable seamless data flows across platforms. I’m also proficient in SQL and have hands-on experience with Snowflake, Oracle, SQL Server, and PostgreSQL, allowing me to adapt quickly to various enterprise environments.Working closely with ITBA/ITPM, analysts, data scientists, and stakeholders to deliver systems that drive insights, efficiency, and value. My passion lies in leveraging modern cloud and open-source technologies to solve real-world data problems in a clean, scalable, and cost-effective manner.Key Skills•Azure Data Factory (ADF), Synapse Analytics, BLOB, Informatica•Python (pandas, requests, flask), Unix Shell Scripting•ETL/ELT Development, Data Modeling, Data Warehousing•SQL, T-SQL, PL/SQL•Snowflake, Oracle, SQL Server, PostgreSQL, Mongo Db•Performance Tuning, Automation, Power BI
Experience
Senior Consultant
Dec 2023 — Present · Pune, IN
Designed and developed end-to-end data pipelines using Azure Data Factory (ADF) and Synapse Analytics for scalable and secure data integration.• Monitored and optimized performance of data pipelines and queries using Synapse Analytics and Azure Monitor.• Developed custom ETL workflows using Python, integrating with APIs from ServiceNow, Snowflake, and Qualys etc to ETL into Azure environments.• Working on SQL/ Snowflake on modeling from conceptual to physical layers, optimizing schema design for performance and maintainability.
Education
Birla Institute of Technology and Science, Pilani
Master of Technology - MTech, M Tech
2015 — 2019
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