J Mcconnell
Founder at Übermensch Consulting
North Adams, Massachusetts, United States
Summary
👤
Senior🎓
Top SchoolJ Mcconnell is a founder and seasoned software engineer with 17 years of experience building production-grade personalization, search, and data science systems. He established Overstock.com’s modern personalization and big data practices, delivering algorithmic upsell/cross-sell and search strategies that drove multi-million dollar vendor fee savings and measurable lifts in conversion and relevancy. Hands-on across the stack, he designed end-to-end data pipelines and real-time inferencing at scale using Hadoop, Spark, and HDFS while replacing costly legacy analytics. He emphasizes measurement, automation, and quality code to turn experiments into confident, reproducible business decisions. Based in North Adams, MA, he blends deep technical craftsmanship with an entrepreneur’s focus on impact and cost efficiency.
17 years of coding experience
Bachelors, Bachelors at Swarthmore CollegeDrury High School
English
Github Skills (24)
google-cloud9
streaming9
batch9
python8
deep-learning8
machine-learning8
scala8
pytorch8
data-science8
dataflow8
beam7
bigquery7
java7
tensorflow7
jax7
Programming languages (3)
Github contributions (5)
jmcconnell/clojure-ant-tasks
Jun 2009 - Mar 2012
Contributions:20 commits in 2 years 9 months
jmcconnell/scio
Jun 2021 - Aug 2021
A Scala API for Apache Beam and Google Cloud Dataflow.
Contributions:1 push, 2 branches in 1 month
apibeamparquetbigqueryapache
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