Prantik Bhattacharyya's Email Addresses & Phone Numbers

Visiting Student @ IBM Worked on social network based systems to improve intranet search. From July 2010 to August 2010 (2 months) Project Member @ Hewlett-Packard Laboratories Gesture Based Keyboard, Keyboard Layout. From February 2006 to August 2006 (7 months) Bengaluru Area, IndiaLead Research Engineer @ Lithium Technologies - Member of the data science team, role involves...

Visiting Student @ IBM Worked on social network based systems to improve intranet search. From July 2010 to August 2010 (2 months) Project Member @ Hewlett-Packard Laboratories Gesture Based Keyboard, Keyboard Layout. From February 2006 to August 2006 (7 months) Bengaluru Area, IndiaLead Research Engineer @ Lithium Technologies - Member of the data science team, role involves building data warehouse systems using Java, Hive, Oozie, Hadoop MapReduce, HDFS and Jenkins that ingests 1TB data daily to analyze 700+ million users.- Lead development of Klout Brand Index; a social media marketing solution; from initial architecture to production system, including testing, documentation, rollout and project management.- Lead integration of the content discovery platform for the launch of Lithium Reach - an enterprise product to curate, manage, and publish relevant content.- Built machine learning framework to recommend most engaging content from a corpus of millions of web-documents in thousands of topic categories; personalized for each individual user.- Developed platform to suggest the best time to post on social media platforms; work featured in The Economist, London School of Economics Blog, Washington Post, etc.- Built key algorithm driven data assets in launching a community personalization platform. - Developed ML pipeline to rank millions of entities in order of social importance to form core component of a multi-lingual NLP system.- Collaborated in an advisory role with Carnegie Mellon University Information Systems Management MS students' 2015 graduating capstone project. From March 2014 to February 2017 (3 years) San Francisco Bay AreaResearch Engineer @ Klout - Member of data platform/science team; key engineer and point of contact for Instagram, Foursquare and Bing integrations into the Klout platform. - Built machine learning based scoring models to measure user influence and generate Klout score for millions of users; wrote engineering blogs announcing product release. - Engineering Lead on Klout-Bing partnership. Pipeline built using Amazon S3, HDFS, Hive.- Built API components using Play Framework, Scala, HBase, MySQL to serve millions of users. - Infrastructure to collect gigabytes of social interactions data daily from multiple social media platforms using Play Framework, Scala, Rabbit-MQ.- Work closely with Operations to support daily pipeline runs and handle operational duties. From August 2012 to March 2014 (1 year 8 months) San Francisco Bay AreaIndependent Consultant @ World Intellectual Property Organization Linking TMs to trade and industry:− Consulted on frameworks to integrate text analysis and keyword matching models to analyze trademarks and link to trade and industry systems.− Developed software based on Python and MySQL to analyze large scale data and deliver concordance results between USPTO, ROMARIN trademark filings and SITC, NICE classifications. From December 2011 to February 2012 (3 months) Teaching Assitant @ Computer Science, UC Davis Operating Systems and System Programming, Basic Concepts of Computing (Python Programming) From October 2007 to December 2007 (3 months) Senior Software Engineer @ Reddit, Inc. Tech Lead for Ads-Targeting.- Build targeting products to match advertisers with their right audiences in partnership with product & data teams.- Optimized ad eligibility system to deliver X% revenue uplift.- Tech Stack: Golang, Google Cloud, Spark, Kafka, Kubernetes, Docker. Senior Software Engineer @ Reddit, Inc. - Built 2nd version of data ingestion & warehousing flow, growing pipeline 30X to 20 Billion raw events/day.- Design, architect and build tools for data science & machine learning teams and all internal product analytics.- Tech Stack: AWS, Kafka, Google Cloud Platform, BigQuery, Airflow and Scala.- Evaluate & sync with open source/vendor tools and iterate on necessary system performance tune-ups.- Mentor junior engineers on tech skills, software development, planning, communication & leadership. From February 2017 to December 2019 (2 years 11 months) San Francisco Bay AreaGraduate Student Researcher @ University of California, Davis Data Mining and Probabilistic Matching Methods for Linking Patents to Trade:− Developed software to construct concordances between patents and economic data.− Built the analytic software system using Python and MySQL.− Developed interfaces with Python text processing modules to build patent corpora. From June 2011 to July 2012 (1 year 2 months) Grauate Student Researcher @ University of California, Davis Search Engines, Information Ranking, User Data Analysis, Algorithm Development.− Developed InfoSearch, a social search engine based on Facebook Platform. Engine developed using a combination of Python, PHP, R, and MySQL.− Proposed a heuristic based algorithm for fast and relevant search in decentralized social networks. Built the prototype system using Python and MySQL.− Validated the relationship between user similarity and social network topology. Developed code in Java.− Collaborated and co-authored research papers on topics of social network triad analysis and social aware wikipedia systems. From July 2008 to July 2012 (4 years 1 month)