Bryan Johnson

Bryan Johnson Email and Phone Number

Experienced data scientist and machine learning engineer @ Workday
6230 Stoneridge Mall Road, Pleasanton, CA 94588, us
Bryan Johnson's Location
Omaha, Nebraska, United States, United States
Bryan Johnson's Contact Details

Bryan Johnson personal email

n/a

Bryan Johnson phone numbers

About Bryan Johnson

Data scientist and machine learning engineer with a track record of delivering production quality, terabyte-scale data processes. Formal education in mathematics with a focus on scientific computing, statistics, and numerical methods.

Bryan Johnson's Current Company Details
Workday

Workday

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Experienced data scientist and machine learning engineer
6230 Stoneridge Mall Road, Pleasanton, CA 94588, us
Website:
workday.com
Employees:
5
Bryan Johnson Work Experience Details
  • Workday
    Principal Machine Learning Engineer
    Workday Sep 2019 - Present
    Pleasanton, California, Us
    - Building a framework for agentic systems powered by large language models.- Designed and implemented a large language model-powered Slack bot to enhance knowledge sharing and collaboration using Confluence documentation and Slack help channel archives.- Developed machine learning systems to detect unusual employee spend, incorrect data entry, and other accounting abnormalities.- Oversaw data science efforts for an expense report anomaly detection product, leading it from inception to general availability.- Authored a streaming framework in Workday for online computation of statistical distributions.
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  • Oracle Data Cloud
    Consulting Data Scientist (Senior Principal)
    Oracle Data Cloud Oct 2015 - Sep 2019
    Austin, Texas, Us
    - Built distributed machine learning systems on terabyte scale graph data (200 billion+ rows) to power the Oracle Data Cloud Identity graph: a core infrastructure linking email, phone, address, and cookies that powers hundreds of millions of dollars in advertising revenue.- Designed complex Spark and Hive pipelines to clean and stage disparate datasets from over 32 different vendors.- Re-wrote core ETL jobs resulting in a 4x speed-up in processing time (24+ hours to 6 hours) and conversion of weekly stability issues into infrequent support.- Released an internal python library built on top of open-source Luigi for efficient multiprocessing, pipelining, workflow tracking, and common interaction with infrastructure (AWS, Qubole, ElasticSearch).
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  • Berkshire Hathaway Homestate Companies
    Information Systems Architect
    Berkshire Hathaway Homestate Companies May 2010 - Oct 2015
    San Francisco, California, Us
    - Developed actuarial loss models using the Python machine learning ecosystem.- Re-wrote a legacy “extension of exposures” actuarial reporting system as a multi-threaded C# WPF application, identifying and fixing over 1,000 rating errors and reducing the average run-time from 45 minutes to 5 minutes.- Automated quarterly SQL data processes, improving processing time from two weeks to two days.- Implemented fraud detection algorithms to identify unreported vehicles in use by insured trucking companies.
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Bryan Johnson Skills

Python Data Science Sql Machine Learning Scala Microsoft Sql Server Programming Database Design Java Spark Hive Numerical Analysis Finite Element Analysis Property And Casualty Insurance Agile Methodologies C# Matlab Vb.net Scientific Computing Applied Mathematics Stochastic Differential Equations Amazon Web Services Graphx C++ R Statistics Database Administration Actuarial Exams Computer Hardware Assembly Requirements Analysis Sdlc Elasticsearch Kibana Docker Jenkins Sklearn Consul

Bryan Johnson Education Details

  • University Of Nebraska At Omaha
    University Of Nebraska At Omaha
    Mathematics
  • University Of Nebraska At Omaha
    University Of Nebraska At Omaha
    Mathematics

Frequently Asked Questions about Bryan Johnson

What company does Bryan Johnson work for?

Bryan Johnson works for Workday

What is Bryan Johnson's role at the current company?

Bryan Johnson's current role is Experienced data scientist and machine learning engineer.

What is Bryan Johnson's email address?

Bryan Johnson's email address is br****@****cle.com

What is Bryan Johnson's direct phone number?

Bryan Johnson's direct phone number is +140267*****

What schools did Bryan Johnson attend?

Bryan Johnson attended University Of Nebraska At Omaha, University Of Nebraska At Omaha.

What skills is Bryan Johnson known for?

Bryan Johnson has skills like Python, Data Science, Sql, Machine Learning, Scala, Microsoft Sql Server, Programming, Database Design, Java, Spark, Hive, Numerical Analysis.

Who are Bryan Johnson's colleagues?

Bryan Johnson's colleagues are Tyler Lindsey, David Callen, Lauren Kramer, Calum Dougan, Jonathan Chen, Randy Smook, Paul Oh.

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