Sep 2019 – Jun 2024 · 4 yrs 9 mos · Bengaluru, Karnataka, India · Remote

•  Data pipelines life cycle (125+), Designing, Curation/Lineage, Modeling, Cataloguing, to Productionizing.
•  Implementing Medallion architecture of Lake House along with Migrations, Pub/Sub, SCD, CDC, CQRS,
• MV, Aggregations, Logging, Staged streaming, & Event streaming design patterns.
•  Data Pipelines had Data Quality (DQ), Personally Identifiable Information (PII) Machine Learning insights
• built in. Added Large Language Model's (LLM’s) for Clinical Text Summarization, Information Extraction,
• Image Processing (ID or Identity match) & Question and Answers.
•  Transforming Generative AI projects to Conversational AI improving Human Interactions.
•  Per Health & Pharma standards (HL7, ICD, CPT, HIPPA, HCQIA, PSQIA, FHIR, EHR), Clinical research, Clinical
• trials, Claims, Audit, Compliance & Regulations.
•  Data pipelines inline data analysis, Dashboarding, Governance & Security via partner connect tools.
•  Monetizing the business analytics via data insights, models, datasets, reports from the Marketplace.
•  Interfacing with internal / external partners over changing business needs or new requirements.
•  Driving Data Practices, COE, across all the different environment, along with costing & budgetary control.

Jun 2018 – Aug 2019 · 1 yr 2 mos · Bengaluru Area, India

• Highlights
•  Products hack, fraud, anomaly detection algorithms reduce cyber security risks by 25%.
•  Product complied to GRC norms of several key countries.
•  On boarded 9 customers across three geolocations after 6 months of aggressive beta product run.
• Projects
• Designed the architecture of a legacy ELT application. Moving from Multitenancy architecture Kafka, Spark, Cassandra & MongoDB to Snowflake Data Lake.
• Designed Components for Ingestion (Talend & Snowpipe), Preparation (Metadata), Compute (Snowpark & PySpark), Analysis (SnowSQL), and Dashboarding (Power Bi & Tableau). Sourced data from Oracle Datawarehouse copying the Facts & Dimensions into Snowflake tables using Talend jobs & joblets.
• Implemented Change Data Capture (CDC) design pattern in Talend to load deltas.
• Developed Mappings, Sessions, and Workflows to extract, validate, and transform data according to the business rules using Talend.
• Created and scheduled Azure Data Factory Pipeline with underlying source as Azure Storage or a Database or an API (path), running data transformations or compute using Spark code in Azure Databricks Workspace Notebook using required pay-per-use Azure Cluster.
• Trained Data scientists, Data engineers over how to get the most of Azure SQL Pool or Azure Synapse Analytics (ASA) or Azure Databricks or Azure Data Pipeline & Data Flows, Power BI or Tableau.
• Databases like Oracle, PostgreSQL, Redshift, Teradata are accessible via JDBC or Connectors Followed by posting this data onto a Power BI or Tableau dashboard or ThoughtSpot data exploration, or Looker reports, using Clusters or Serverless ecosystem.
• Designed the Logical and Physical data model for snowflake per system specifications. Evaluated many Data Pipelines per business requirement defining ACLS for access.
• Calculated virtual warehouse sizing for Snowflake Data Lake for different type of workloads.
• DWH model in snowflake for over 100 datasets using visio.

Jan 2016 – Jan 2017 · 1 yr · Bengaluru, Karnataka, India · On-site

•  Data driven 360-degree hospitability projects of $25 million were kick-started.
•  Provide customer data to customer with insights thus improving the overall experience.
• Setup teams for Big Data, Analytics, User/Customer/Traffic behavioral models in Airline domains.
• Re-engineer current legacy platforms, kick start Airline Modernization projects via NRT apps.
• Analyze current data models, re-engineer & create new data architectures for futuristic platforms.
• Drive Oracle to Vertica projects using Hadoop, Tableau & Mahout as SSOT for legacy applications.
• Python based ML packages for predictive & preventive models improvising quality of hospitality (QOH).
• Lead technology & business from BU level, thus connect & create missing dots towards future.

Oct 2010 – Dec 2015 · 5 yrs 2 mos · Bangalore

•  Head 9 global teams of Principals, Architects, Scientists over Health, EdTech, Airline, Transportation, FinTech, Retail.
•  Helping customers over a data footprint of $97mn Data, Governance, Enterprise Architecture, & Data Pipelines.
•  Data Lake Architecture roadmap to deployment using Monolith, GCP & AWS cloud platforms per business needs.
•  Flight arrival, Customer offer management (Segmentation, Sentiment analysis, dynamic discounting) for Sabre w/ AI.
•  Fraud detection, protection, prevention, correction, supported by audit, observability & recommendations using machine learning on financial data.
•  Prediction of Timeseries data, Image match, analysis for behavioral metrics via Machine Learning for traffic data.
•  Target financial prediction of d-o-d different portfolio sales, similarity, product type, & location recommendations.
•  Part of global hiring, mentoring and excelling business orgs, helping to innovate better with 24/7/365 learning.

Nov 2008 – Oct 2010 · 1 yr 11 mos · Bangalore, KA, India

•  Hire 30 members DevOps & Deployment team for 42 YSM BUs projects. Budgetary Control, & Provisioning.
•  Machine Learning algorithms for Predictive Automation & Monitoring (PAM) of Ads saving $15 million/month.
•  Machine Learning for YSM Ads improvisation, monetizing for recommendation, clicks, NLP, topics etc, using Hadoop.
•  Development, CID, Architecture, DQ Dashboards & Scorecards for Publisher & Advertiser apps of B2C/B2B domain.
•  Reduced TCO of YSM BU by 42% by driving HP Openview to Nagios/Ganglia, MSTR to MSAS, Migrated a datacenter.
•  POC ALM, CI, CM, SLA, SLM, Data Services, COE, SOX, DCIM, GRC, CSAT, & Incidents.
• PS: 88.5% of Yahoo’s revenue of Display & Click ads came from YSM BU with avg. SLA of $4 million/hour.

Jul 2007 – Oct 2008 · 1 yr 3 mos · Hyderabad, AP, India

•  Hire 20 members GFS Support & Development team with 17+ projects under follow-the-sun model.
•  Development & Support for DW, Data stores, Payments & Invoicing. Self Service & Ticketing/Incident Management.
•  Migrating merchants to Amazon Web Services (AWS) via IAAS model reducing TCO from Legacy & Web apps.
•  Hiring over Innovation & Excellence, Mentoring, Leveraging cross functional teams, Policies & Processes.
•  Strategic Alliance, Projects, Lessons Learned, Product Roadmap, & Budgeting with Global teams at all levels.
• PS: Global Financial Systems (GFS) BU with $14.84 Billion sales, reaching 10,000 tps in 2007.

Jan 2006 – Jun 2007 · 1 yr 5 mos · Bangalore, KA, India

•  Delivered $12 Million Customer Based Testing (CBT) project automating EBSO’s (from 11i) customer deployments.
•  Project Oracle database on Cloud - Oracle Database As A Service (ODAAS) using xensource completed but shelved.
•  DB2 to Oracle migration project part of Siebel CRMs Business Process Integration with Oracle’s EBSO.
•  Customer based CC/RC Engineering efforts over Quality of Service (QoS) & Engg. Perf. Scalability Reliability (EPSR).
•  Driving Virtualization, Galileo, ADF, SSOT, & KM practices with Atlanta Center of Excellence (COE).
• PS: Service Engineering (SE) team in the On Demand org of multi-billion dollar company, Oracle.

Jan 2003 – Jan 2006 · 3 yrs · Durham, North Carolina, United States

•  Worked in 12 customer & patient data projects spanning over 9 different environments & 4 countries.
•  Created CHDW (Customer Health Data Warehouse) for trial data sourced by many MIDD data marts.
•  Delivered Global Enterprise Metric Monitoring (GEMM) project for EMS, using HPO, HP ITO, Perl, MySQL.
•  Development of CMS, EDR & MDM integration helped org wide reporting. Used Perl, Informatica, Shell, XML, SOA, PL/SQL, & Oracle.
•  Providing text data, images for analysis & integration of data related to the molecules, drug usage, patents, and trial outcomes.
•  Model-Informed Drug Development (MIDD) data is consumed by models and simulations prepared by research teams. MIDD helps attain efficiency, reduce the time and DTM (drugs to market) costs.
•  Helping over migration and integration of MIDD data from many acquisitions with Parexel data.

Aug 1998 – Dec 2002 · 4 yrs 4 mos · Charlotte, NC, United States

•  Development, Support (15 min SLA), Monitoring for FIS & TMS (Trading Management System, 18 departments)
•  Functional specs from NYSE & Wachovia team, CXO stakeholders, Customers.
•  Evaluation Microstrategy (MSTR) over Cognos as future BI platform amounting $1.2 Billion y-o-y trading.
•  Driving Change Control Board (CCB) practice, Migration, Portability, & end to end Integration projects.
•  Daily Trade Reporting Automation project of TMS with daily 415 trade jobs.
•  Lead $9 Million E10K Benchmarking project for future TMS infrastructure & Lead SOX initiative.
• PS: Wachovia Securities part of $170 Billion First Union group. Fixed Income Securities (FIS) BU had Customer facing, Bulk Revenue Critical Global applications under Trading Management System (TMS) umbrella, Nightly Batch on Sybase/Solaris, FUNB Data Warehouse (FUNB DW) on Oracle/Solaris for Web Reporting, Market Risk & Credit Risk.

Jan 1998 – Jul 1998 · 6 mos · Bhopal Area, India

•  Development & Architecture, Customer training, Vendor interfacing, RFPs, SME for India vide plants.
•  FAIS was re-developed with mirco-batch feature, which helped in real-time reporting in a batch system.
•  Re-engineered legacy Finance Accounting Inventory System (FAIS) with Event Sourcing model.
•  Tuning/Rewriting queries and batch loads, reducing loads time from 3 days to 5 mins.