Data Engineer

Experience

Senior Associate at Cognizant, Bangalore                      

From July 2023 to  July 2025

Domains - Wholesale Banking, Retail Analytics

Skills - IBM Datastage, Snowflake, Shell Scripting, Oracle, PL-SQL, T-SQL, Hive,ERwin , Azure Pipelines, CI/CD, Azure Repos, 

Azure Boards, Confluence and  Agile project management.

Responsibilities - 

• Built data pipelines for wholesale banking for critical customer and compliance data from FCRM and KYC systems into centralized data lakes, enabling real-time analytics and KPI monitoring. Automated workflows and ensured data quality to support regulatory and business intelligence needs
• Designed and developed a robust framework for DataStage jobs using pull flags, logging tables, status indicators, and control mechanisms to track job execution, completion, view availability, and file readiness. This framework facilitated automated monitoring, improved data pipeline reliability, and enabled proactive issue detection and resolution.
• Developed scalable data integration workflows for the retail domain, ingesting store operations, customer behaviour, and sales data into unified data platforms. Enabled visibility into key retail KPIs such as footfall trends, average basket size, and POS efficiency, supporting timely insights for business strategy and performance optimisation.
• Automated multiple tasks using ETL capabilities like tasks, sequencers etc. and optimised multiple jobs to enhance efficiency and minimise processing time by identifying bottlenecks in jobs, stored procedures, sql scripts etc.
• Experienced in building ETL pipelines handling data from diverse sources, including structured data from relational databases and data lakes, as well as semi-structured data from flat files (CSV, Excel, JSON), ensuring seamless integration and transformation across platforms.
• Collaborated with Product Owners, Delivery Leads, Chapter Leads, Business Analysts (BA), Subject Matter Experts (SME), Data Integration Architects (DIA), and engineers across multiple teams to ensure accurate business reporting and maintain thorough, accessible documentation.

Strategic Consultant at IBM, Bangalore                                                

From July 2019 to June 2023 

Domains - Finance, Procure to Pay, Record to Receive, Order to cash, Healthcare 

Skills - IBM Datastage, IBM Db2, PL-SQL , Shell Scripting, Celonis, Azure Data Factory, Python

Responsibilities - 

• Worked in the Research and Analytics team to design and develop ETL pipelines and automated workflows using DataStage Cloud, Celonis, and Azure Data Factory. Built a standardized dashboarding solution that streamlined data ingestion and transformation, enabling the onboarding of 40 clients in one quarter and delivering real-time analytics for improved operational insights.
• Extensive involvement in the development and maintenance of loading of Facts & Dimensions for DOW chemicals, Avnet, 

PepsiCo, Baker Huges clients to track KPIs related to Procure to Pay, Record to Receive, Order to cash for monitoring outcomes 

such Invoice Processing SLAs, Paid on time, Paid Late Invoices, Cycle time, Service Desk TAT, RITM Analysis.

• Interacted closely with IT Security and Compliance Team for security toll gates related compliance work and DBA team for 

performing migrations.

• Analyzed and provided the alternative or multiple solutions to the complex problems and foresee any problems for existing jobs.

ETL Developer at IndiumSoft, Bangalore                             

From June 2017 to June 2019 

Domain - Retail Banking

Skills - IBM Datastage, Informatica, Oracle, PL-SQL, Shell Scripting

Responsibilities - 

• Worked as an individual contributor by developing Jobs, Sequences, Data Loading, Maintenance, Archiving and other tasks.
• Prepared and maintained technical documents to remove single point dependability..
• Executing production, UAT cycles as and when required and involved in UTP and other testing processes.

ETL Developer at PTW, Bangalore                              

From Nov 2015 to May 2017 

Domain - Healthcare

Skills - IBM Datastage, SQL Server, SQL , Shell Scripting,Informatica Power Center

Responsibilities - 

• Participated in the peer reviewing process of jobs.
• Involved in UTP and other testing processes.
• Performed development , ETL mappings with Designer and data loads for multiple proof of concepts.