Dennis W.

ML Software Engineer at Craigslist

Dennis W. has a diverse work experience spanning several companies and roles. Dennis began their career in 1995 at The 3DO Company as a Programmer/Analyst, where they worked on Oracle SQL Forms and Reports, Oracle ERP, and created a custom corporate budget program in FoxPro. Dennis also collaborated on the initial company intranet and web site. In 1996, they joined Infoscape as a Systems Administrator, responsible for building out the corporate network, telephony, and server infrastructure, as well as maintaining the NT domain. Dennis then moved on to CMP Media in 1997 as a Senior Software Engineer, where they developed dynamic websites including techweb.com, cmpnet.com, and byte.com. In 2003, they joined Monster.com as a UNIX Systems Administrator, ensuring the 24/7 operation of the website and acting as a liaison between collocation facilities and Military.com. From 2005 to 2010, Dennis worked at GUBA as a Senior Software Engineer, developing software in Java, Perl, Python, Groovy, and SQL. Dennis also served as a DBA for several MySQL databases and performed sysadmin duties for over 70 Linux servers. In 2010, Dennis joined RPX Corporation as a Senior Systems Software Engineer, building Ruby on Rails portal sites and CMS with multiple PostgreSQL backend databases, SOLR search, and complex ETL processes. Dennis also conducted Devops using Chef and deployed to Amazon EC2. Finally, in 2012, they joined Craigslist as a Software Engineer. No specific end dates are provided for their roles at Craigslist and RPX Corporation.

Dennis W. obtained a BA in English from Syracuse University, where they studied from 1986 to 1990. Dennis also attended UC Berkeley Extension from 1994 to 1998, where they studied c++, oracle DBA, networking, and UNIX kernel. In terms of additional certifications, Dennis received the following certifications from Coursera: Introduction to Bayesian Statistics in June 2022, Coursera Mentor Community and Training Course in January 2017, Machine Learning Specialization in January 2017, Machine Learning: Clustering & Retrieval in January 2017, Machine Learning: Classification in July 2016, Machine Learning: Regression in May 2016, Machine Learning Foundations: A Case Study Approach in April 2016. Dennis also has certifications in Bayesian Inference with MCMC, Introduction to Computational Statistics for Data Scientists, and Introduction to PyMC3 for Bayesian Modeling and Inference, but the specific dates of these certifications are not provided.

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