Data Engineer - 12+ Years ETL, Data Integration Expert

R A J A L A K S H M I S U G U M A R

D A T A I N T E G R A T I O N E N G I N E E R

NAPERVILLE, IL 60564

980-***-**** **************@*****.*** l inkedin.com/in/rajalakshmi-sugumar-2007 P R O F E S S I O N A L S U M M A R Y

Seasoned professional with over 12 years of experience in designing and developing business solutions in the telecom and banking industries. Skilled in ETL development, data integration, and upholding high data quality with robust solutions.

Serve as liaison between stakeholders, coordinating requirement gathering, documentation, and supporting team to ensure projects are completed on time. Proven track record of creating high-quality data solutions, aiming to leverage skills as a data engineer to improve data processing and integration. S K I L L S

Snowflake

Oracle SQL (Database 23 AI)

Apache Kafka

Java &J2EE

Spring, Hibernate

Data Integration and analysis

Informatica PowerCenter

Talend

MongoDB

CI/CD

Payments

Analytical Thinking

W O R K E X P E R I E N C E

USCELLULAR CORP, Chicago, IL 06/2023 – 08/2025

Data Integration Developer

Integrated data from multiple systems, delivering actionable business solutions and detailed reports to stakeholders, and ensuring data accuracy and integrity.

Streamlined data integration using Informatica PowerCenter, Talend, Oracle, MongoDB, and Kafka, increasing data retrieval and processing speed by 30%.

Identified business process gaps and created detailed design documents, reducing support costs by 30%.

Prioritized backlog through business-impact analysis and delivered efficient data pipelines, significantly reducing rework and improving efficiency.

Analyzed the implementation of Snowflake in the project as part of the proposal to use the cloud platform for data storage and analysis.

INFOSYS LTD, Charlotte, NC 07/2015 – 10/2016

Data Analyst

Supported Bank of America by integrating technical metadata to create the data dictionary mapping for the compliance project and generating data lineage reports for audit purposes.

Developed metadata repository by interacting with third-party systems across 50 applications, providing data lineage for the banking system and enhancing data traceability and compliance.

Optimized data processes by leveraging Oracle Metadata Platform Management, providing a unified view that bridged business and technical elements, improving overall efficiency.

Provided data troubleshooting for clients and documented workflows, which maintained data integrity and reduced error rates in data handling.

RAJALAKSHMI SUGUMAR PAGE 2

Automated metadata update via Autosys, improving the performance by 50% and improving operational efficiency.

Collaborated with data stewards and provided business reports that met consumer banking regulations, ensuring compliance and enhancing decision-making processes. INFOSYS LTD, Chennai, Tamil Nadu, India 04/2011 – 11/2013 Technology Analyst

Key support for the Royal Bank of Scotland's processing of SEPA payments within the European Banking Payments System. Accountable for the complete delivery of business requirements to project completion. Delivered actionable insights and worked with stakeholders to identify key metrics and inform business decisions.

Directed technical design and led a team of five members, resulting in improved project coordination and consistently meeting delivery deadlines.

Spearheaded stakeholder meetings and design documentation as subject matter expert, boosting project alignment and satisfaction.

Worked with stakeholders and the project manager to refine scope and design, leading to smoother project execution and better communication.

Optimized application architecture using Java, J2EE, Spring, and Hibernate, leading to a 30% reduction in processing time and improved system stability.

WIPRO LTD, Chennai, Tamil Nadu, India 06/2007 – 02/2011 Senior Software Engineer

Consultant supporting Verizon through creating a web application for tracking the Voice and VoIP orders and providing business reports to stakeholders.

Developed an advanced order tracking web application using Java and SQL, automating workflows and boosting operational efficiency by 25%, driving quicker order processing and improved user experience.

Enhanced application performance leveraging Java, J2EE, and Web services, reducing load times and improving system reliability for end users.

Implemented an automated defect tracking system, cutting maintenance costs by 50% and significantly enhancing overall efficiency.

E D U C A T I O N

Bachelor of Technology, Biotechnology, SASTRA UNIVERSITY, Tamil Nadu, India C E R T I F I C A T I O N S

SnowPro Advanced: Data Engineer Certification, SNOWFLAKE SnowPro Core Certification, SNOWFLAKE

Oracle Database 23 AI SQL Certified Associate, ORACLE Oracle AI for You, ORACLE

PowerCenter - Data Integration for Developers, INFORMATICA UNIVERSITY Sun Certified Java Programmer, ORACLE

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