Jun 2022 – Present · 3 yrs 9 mos · Bengaluru, Karnataka, India · Hybrid

Jun 2020 – Jul 2022 · 2 yrs 1 mo · Bengaluru, Karnataka, India

• Worked as a Principal Engineer and helping to build Data & AI/ML platforms on Databricks, Spark, MLFlow.

Oct 2017 – May 2020 · 2 yrs 7 mos · Bengaluru Area, India

• Building self service data systems on Hadoop/HBase/Spark
• Building OLAP on Hadoop
• Building NLP systems

Nov 2016 – Sep 2017 · 10 mos

Oct 2016 – Sep 2017 · 11 mos

• Architecting a multi-TB MapR - Hadoop Datawarehouse for a leading apparel retailer in the US
• Experience building batch and near real-time data pipelines using Hive, Spark SQL, MapR-DB (HBase)
• Built SQL-on-Hadoop layer on Apache Drill for Batch Reports & Data Discovery use cases
• Building an Image Analytics solution. Dominant Color Detection, Text Extraction from Images.
• Building K-Means models to extract dominant color
• Experience in Python, pyspark

Nov 2014 – Mar 2016 · 1 yr 4 mos · Bengaluru Area, India

• Founder & Head of Technology of 3joins.com, An Interviewing as a Service Company.
• Platform on AWS. Running on Django, Python 3, Postgres.

Sep 2014 – Sep 2016 · 2 yrs · Bengaluru Area, India

• Big Data Ingestion Architecture (Hadoop, Hive, Amazon Redshift), Visual Data Discovery (Tableau & Qlikview), Presales Support.
• Worked on a predictive analytics & an insights platform solution for a large MVNO in the UK.
• Solution ingested close to 100 mln records/100GB on a daily basis.
• Data at rest was close to 10 billion records/20TB
• SQL Server/SSIS for integration
• Amazon Redshift ds2.xlarge clusters as the MPP datastore
• Self Service BI on Qlikview & Tableau.
• Python 3.5 , Boto & Shell scripts for scripting the orchestration workflow
• Used Luigi as the job scheduler/orchestrator
• Deployed on Amazon AWS Cloud

Apr 2013 – Sep 2014 · 1 yr 5 mos

• Solution Architecture and Design of a Global Geo-Spatial, Catastrophe Risk Exposure Data System
• Planning and Scoping of features from Requirements to Delivery.
• Improving efficiency of solution delivery processes
• Key technologies include IBM DB2 Spatial, Netezza, IBM MDM, PBBI Spectrum, IBM IIS Datastage and ArcGIS

Jul 2011 – Mar 2013 · 1 yr 8 mos

• Senior Datawarehouse and BI Architect working for Global Markets Division of Chartis
• Architecting a strategic operations data-mart that will rollout to more than 800 users across 60 different countries.
• Developing a solution on Datastage 8.x and Oracle 11g

Jun 2011 – Sep 2014 · 3 yrs 3 mos

• Presales Consulting on Enterprise Datawarehouse and BI strategy Implementations
• Full lifecycle project plans on Enterprise Master Data Management
• Work on differentiators for key proposals

Dec 2010 – Jul 2011 · 7 mos

• Architected a Datamart for the Trade Finance business of CIT Group as part of a Corporate Datawarehouse initiative.
• Developed the solution on Oracle 10g, Datastage 8.x, Business Objects 3.0
• Responsible for ETL and DW architecture.

Nov 2009 – Feb 2010 · 3 mos

• Played a key role in Corporate/Business Performance Management Strategy
• Provided an Enterprise DW/BI Strategy (encompassing ETL, DW and BI strategy, BICC organization development, project roadmap creation) for the Aon Affinity business function.
• Performed a detailed, comprehensive enterprise DW & BI Health Assessment
• Drafted a Data & BI Governance Roadmap with implementation details.
• Was responsible for the DW & BI Business-Case Building

Jun 2009 – Dec 2010 · 1 yr 6 mos

• Responsible for establishing a BI CoE for MS and SAP technology toolset.
• Responsible for innovation of BI frameworks contributing to pre-sales efforts and accelerated development lifecycles.
• Created RUBIC Airline framework for accelerating BI projects for the revenue management business of Airlines industry.
• Created RUBIC SAFE framework to support BI analytics for support implementations of a DW/BI project.

Jan 2003 – Nov 2009 · 6 yrs 10 mos

• Responsible for managing a from-scratch datamart buildup across multiple business functions like Operations & Service, Engineering & Sales.
• It was developed on Oracle 10g, OBIEE and OWB.
• Near Real-time datamart delivering KPIs to the executives.
• It was rolled out to 5 states within the United States, over a period of 1 year.
• Managed a team of 7 (onsite-offshore)