Oct 2012 – Feb 2018 · 5 yrs 4 mos · Bengaluru Area, India

• > Was the first member of the ml team at Capillary; working on predicting propensity of customer response to a campaign and product recommendation.This involved defining and computing features at scale in a multi-tenant system with lot of unclean custom data ; defining evaluation metrics to suit the business needs; training and evaluating ml models and serving the results. Worked end to end on all pieces of ml system.
• > Came up with plethora of ideas to augment the Campaign Management System with ml based solutions. From tech stack perspective data munging/ml was in Scala/Spark and serving on akka; ml experimentation included work on logistic regression, boosted trees , random forest, xgboost , word2vec , ALS etc.
• > Worked on POC which demonstrated multi-fold improvements in the existing ETL pipelines.
• > Experimented on detecting fraud user engagement(GMM) and clustering(K-means) of the org-workloads in multi-tenant system for resource planning.
• > Optimized the scheduling of query graph being used in data warehouse and hive query parsing using antlr to enable on the fly query modification.
• > Implemented micro service for scheduling query/tag-based reports/visualizations with deduplication and tolerance to data non-availability.
• > Export of reports to excel with extensive customization. Also involved creation of reports for hierarchies; pivot table exports and computation of summary tables.
• > Worked on GWT based webapp for adding visualizations(combination charts,heat maps etc) ,creating dashboards,RBAC customizations, speeding up UI loading times, table filtering etc.

Jul 2009 – Aug 2012 · 3 yrs 1 mo · Pune

• > Designed and implemented state machine for task execution in a Release Management tool.
• > Worked on exposing web services and scale lab testing.
• > Worked on archival/delete strategy for artifacts.
• > Overhauled web ui for look and feel; worked on SWT UI for a desktop app.
• > Worked on an integration project for pulling artifacts to datawarehouse and generating graphs of IT assets.