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Amazon.com, Inc. · Software Engineer II |
Sep 2011 - Current
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- Leading the re-architecture, resource planning, project management, and data migration of Amazon's external identifier cross reference system from a massive RDBMS to NoSQL
- Enabled the launch of 30 new product categories in multiple countries into Amazon's catalog by collaborating with the business teams to develop appropriate product validation logic and implementing matching criteria
- Designed and implemented a tool used daily by hundreds of seller support agents to correct mismatched seller product listings in the catalog. Drove down related merchant contacts by 43% and reduced the time to resolve such issues into a few mouse clicks
- Built tools for auditors to measure quality of catalog impacting decisions made by the item authority's product matching algorithms, leading to insights and policy changes that reduced duplicate creation for non‐Novelty items by an estimated 58%
Drove engineering excellence by instituting code review guidelines, pushing for the adoption of well documented SOPs for operations, and migrating manual deployment processes to continuous deployment pipelines
Consulted with clients and internal customers, lead design reviews, bar raised deployments for Amazon Marketplace teams, mentored multiple engineers, active in recruiting having conducted over 125 technical interviews
Java, AWS, CloudSearch, DynamoDB, S3, REST, API Design, Scrum, Spring, Large Scale Distributed Systems
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Carnegie Mellon University · Research Assistant |
Jan 2010 - Aug 2011
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- Assessed the impact of various methods of instruction on ESL students through a web based intelligent tutoring system
- Conducted research in the fields of natural language processing, information retrieval, social media analysis and machine learning
- Authored 8 papers published in venues such as ACM SIGIR, Interspeech SLATE, ACL‐HLT, AIED, SIGML MLSLP, FLAIRS
Java, Python, PHP, MySQL, Weka, NLTK, Mechanical Turk, Hadoop, User Centered Design, NLP, Machine Learning
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Space and Naval Warfare Systems Command · Naval Research Enterprise Intern |
May 2009 - Aug 2009
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- Designed experiments and developed text classifiers for use on military chat posts. Results published in ICMLA
Python, NumPy, NLTK, NLP, Scientific Research, Experiment Design, Machine Learning, Information Retrieval
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University of Texas at Arlington · Research Assistant, Teaching Assistant |
Oct 2007 - May 2009
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Simple open source Particle Core (formerly Spark) enabled RC car that can be controlled via the web
Spark, HTML, JQuery, REST, Internet of Things: https://github.com/kevd1337/SparkCoreRC
Web app created at the TechCrunch Disrupt SF 2013 Hackathon that summarizes conversations and tracks the evolution of sentiment over time around topics like sports or politics
Java, Node.js, Highcharts, Mallet, Twitter, NLP: https://youtu.be/JkCtSET5LW8
Prototype developed during the Music Hackday Boston 2011 which allows viewers to control a music video stream by voting via SMS. Featured in Wired
Python, Django, MySQL, EchoNest, Twilio: http://www.ctrlfreak.tv/
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Winner: Amazon.com Internal IR2 hackathon 2015 (Best platform feature), StartupBus 2014 (Semifinalist), Lincoln Labs Seattle Open Government Hackathon 2013 (3rd place), SXSW Accelerator 2013 (Official Selection), Music Hackday NYC 2011 (Best use of API)
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Scientific Committee Member: International Conference on Language Resources and Evaluation 2014
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Invited Talks: Adding intelligence to your JS application (CascadiaJS 2015): https://youtu.be/CcSo_9Gwb9I