Gyaneshwar Dubey
Director - Big Data Engineering And Solution
Chennai
Summary
Data technologist with over 20 years of experience in data architecture and engineering. Hands on experience in designing and engineering enterprise data solutions for many business domains, predominantly Payments Industry. 12+ years of experience in building data platform and solutions to combat financial risk due to Fraud and Credit Risk. Worked very closely with data scientist and risk Modelers/Analysts to design and develop predictive risk models that can be used to reduce financial loss due to online fraud. Built data solutions/services on big data technologies like Massive Parallel Processing -Teradata, Hadoop(HDFS, Hive, spark, Pig), Google Cloud Migration. Built a strong and motivated team of engineers, and Implemented data warehousing projects across the globe working in multi-culture environment. Worked in USA, UK, Austria, Australia, India and China.
Overview
23
23
years of professional experience
Work History
Director - Data Management & Solutions
PayPal
Chennai
11.2010 - Current
- Built integrated data products as foundation for data analysts/scientist to develop state of art Risk models/rules to combat Fraud. Examples - Account level integrated data with thousands of variables with point in time (PIT) data, Identity linking to prevent returning fraudsters etc.
- Implement Multi latency data processing capabilities to support, 1> quick operational actions(less 30 minutes), 2> heavy data processing to get deep insight into broad fraudulent behavior (daily batch) and 3> working on near real-time data processing using Kafka and Spark.
- Work with Infrastructure team to forecast system resources(CPU, Memory, Disk Space etc.) to meet organic data growth, and data needs for new PayPal product launch; provide recommendation to senior management for future investments with ROI numbers.
Responsible for End to End data acquisition, data processing and data delivery for Risk data into production enterprise data warehouse(EDW Teradata) and Hadoop. Manage data to day data operations with global team located in San Jose, India and Shanghai. - Maintain and manage data assets inventory (Metadata)
Ensure Data quality, bugs fixes and meet critical SLAs of data processing. - Responsible for data security : Manage access control to protect PII and PCI data in Teradata and Hadoop.
- Hire and manage technically accomplished and highly motivated data engineers in San Jose(USA) and Chennai(India) to deliver data solutions to our business partners(Risk business Group).
Partner with Business teams, build roadmaps and deliver data driven solutions for key business initiatives - enabling revenue, reducing fraud and credit loss, improving customer experience, reporting and alerts. - Use Agile methodology(Scrum) from last 4 years to build quick data solutions for ever-changing business demand.
Sr Data Engineer
Computer Sciences Corporation
San Jose
02.2009 - 11.2010
- Designed and implemented effective database solutions and models to store and retrieve data.
- Designed and Developed ETL (Extract, Transform, Load) tasks, maintaining data integrity and verifying pipeline stability.
- Developed, implemented and maintained Teradata BTEQ, SAS, Shell Scripts, Python to acquire data from various source system
- Explained data results and discussed how best to use data to support fraud Models and Rules.
Data Engineer and Architect
Satyam Computer Services - Tech Mahindra
05.2000 - 02.2009
- Lead Data Architect at Sony Electronics In San Diego(San Diego) - 9/2007 to 02/2009 :
Designed and developed Data Warehouse for Sony’s Repair and Service department to perform analytics on cost, quality and customer experience of Sony product.
Technologies – Oracle, Informatica, Business Objects and Control M.
- Data Architect at GE Money, Shelton (USA) and India – 10/2005 to 9/2007:
Lead the re-engineering of Collections and Recovery data platform, and built next gen reporting and dashboards.
Technologies – Oracle, Informatica, SAS and Business Objects, Erwin
- Data Modeler at Glaxo Smith Kline, Ware(UK) – 7/2005 to 10/2005:
Built logical and physical data model by conducting reporting requirements interviews, source data profiling and understanding the business processes. Defined conforming rules and worked with ETL team to implement the ETL process to load data.
Technologies – SAS Base and Macros, Erwin
- SAS and ETL Developer at GE Consumer Finance, Hyderabad(India) – 2/2004 to 6/2005:
Worked as ETL developer of SAS Base, SAS Macros, PL/SQL in Oracle to load and process data into data warehouse for reporting and analytics.
Technologies – SAS Base and Macros, SQL, Unix
- Enterprise Data Modeler at Telstra, Melbourne(Australia) – 10/2002 to 01/2004:
Built logical and physical data models(Telecom domain) for enterprise data warehouse in Teradata. To create data model, I studied business processes, conducted source data profiling, SME interviews with respect analytical requirements.
Worked with ETL team to define and develop ETL logic to load data. Performed data testing and contributed in UAT.
Technologies – Erwin and Teradata
- ETL Developer at GE Capital Bank, Vienna (Austria) and India – 05/2000 to 10/2002
Developed ETL process to extract data from source system (mainframe, oracle) and load into SAS tables.
Technologies – SAS, Oracles, Unix
Education
Bachelor of Engineering Technology - Electronic And Communication
STJ Institute of Technology
Karnataka, India 04.2001 -
Skills
Big Data Technologies - Hadoop, Teradata, GCP, Data Lake
Data Collection and Processing - Python, BTEQ, SAS, Shell Scripts, Big Query, Data Proc
Data Delivery - Risk Models and Rules for Credit and Fraud Risk
Operational Data Management - Manage production jobs through KPIs, Monitoring
Work Availability
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Quote
The utmost thing is the user experience, to have the most useful experience.
Marissa Mayer
Timeline
Director - Data Management & Solutions
PayPal
11.2010 - Current
Sr Data Engineer
Computer Sciences Corporation
02.2009 - 11.2010
Bachelor of Engineering Technology - Electronic And Communication
STJ Institute of Technology
04.2001 -
Data Engineer and Architect
Satyam Computer Services - Tech Mahindra
05.2000 - 02.2009