Joshua Park

Machine Learning Engineer at Leyden Solutions, Inc.
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Contact Information
us****@****om
(386) 825-5501
Location
Washington, District of Columbia, United States, US
Languages
  • English Native or bilingual proficiency
  • Indonesian Limited working proficiency
  • Arabic Elementary proficiency
  • German Elementary proficiency

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Credentials

  • Introduction to Corporate Finance
    Coursera Verified Certificates
    Sep, 2015
    - Nov, 2024
  • Data Visualization in R with ggvis
    DataCamp
  • Introduction to R
    DataCamp
  • R: Correlation and Linear Regression
    DataCamp

Experience

    • United States
    • Defense and Space Manufacturing
    • 1 - 100 Employee
    • Machine Learning Engineer
      • Mar 2023 - Present

    • United States
    • Software Development
    • 100 - 200 Employee
    • Data Engineer
      • Jul 2021 - Feb 2023

      • Developed ETL pipelines in Apache Spark using the pyspark API. Transformations would be written as SQL scripts, tested with pytest, and composed together using the pipeline Transformer class. Production tests were run on a hadoop cluster. Data was saved in the parquet format for storage efficiency and queried with Amazon Athena. • Created and maintained an internal tool for making asynchronous location and OD Cost Matrix API calls to ARCGIS and storing those results in a SQLite database in order to rank healthcare specialty providers in order of preference for primary healthcare customers • Create data pipelines to ingest healthcare claims data from customers in a HIPAA compliant matter that masks personally-identifiable information (PII). • Use Jenkins to orchestrate Kubernetes clusters that ran automated R and Python processes for ETL and data reporting. Show less

    • United States
    • IT Services and IT Consulting
    • 700 & Above Employee
    • Data Scientist
      • May 2018 - Aug 2021

      • Develop and implement forecasting model on core client metric in R. • Draft and edit white papers with LateX. • Maintain version control of statistical programs using git with the command line. • Manage tasks and manage workflow with JIRA • Complete monthly updates of a R shiny dashboards after a major revision where I updated code that was years-old. • Use CLI for interacting and updating an AWS instance and upload data to a AWS bucket. • Develop and implement forecasting model on core client metric in R. • Draft and edit white papers with LateX. • Maintain version control of statistical programs using git with the command line. • Manage tasks and manage workflow with JIRA • Complete monthly updates of a R shiny dashboards after a major revision where I updated code that was years-old. • Use CLI for interacting and updating an AWS instance and upload data to a AWS bucket.

    • Analyst
      • Apr 2017 - May 2018

      • Program in R to manipulate and clean large data frames of over 100,000 observations and 10 variables with numerical and string inputs to construct an index of property rights conversations for a philanthropic investment firm. • Build and test python scripts using data science and NLP packages (Pandas and SpaCy) to prototype analytic products for the customer success team to summarize textual data. • Work with machine learning support vector algorithms to categorize textual data around topics. • Heavily utilize Microsoft Excel functions to process and organize custom sets of data-mined text from news sources and open social media accounts. • Conduct open-source research incorporating online sources to measure the scale and scope of conversations on topics which include global property rights, higher education, collaborative technologies, and software ethics. Show less

    • United States
    • International Affairs
    • 700 & Above Employee
    • Research Assistant (Economics)
      • Jul 2016 - Apr 2017

      • Collected and organized firm level data for thousands of Russian firms from Orbis to inform econometric analysis on the micro-effects of US and EU targeted sanctions on selected Russian firms, specifically their employee counts, quarterly operating revenue, and assets over time. • Utilized Stata programming to create time-series panel datasets from multiple excel files downloaded from international trade databases to measure bilateral trade flows between the United Kingdom and the rest of the world and design a gravity model regression for the Chief Economist to analyze the potential impact of major policies changes from Brexit. Show less

    • United States
    • International Affairs
    • 1 - 100 Employee
    • Graduate Fellow
      • Jun 2015 - Sep 2015

      • Drafted government outreach strategy for a major Fortune 500 company in the food sector in response to an international acquisition in the Middle East. • Develop a series of memos and updates for senior directors at McLarty Associates on the Joint Comprehensive Plan of Action between Iran and the UN security council and Germany. • Drafted government outreach strategy for a major Fortune 500 company in the food sector in response to an international acquisition in the Middle East. • Develop a series of memos and updates for senior directors at McLarty Associates on the Joint Comprehensive Plan of Action between Iran and the UN security council and Germany.

    • United States
    • International Affairs
    • 700 & Above Employee
    • Intern
      • Mar 2015 - Jun 2015

      • Researched evaluations of intervention programs involving entrepreneurship or workforce development in order to develop parameters for employment programming in the Middle East. • Designed the entrepreneurship policy by designing the request for proposals, the document soliciting proposals from implementers for cooperative agreements with the U.S. Department of State. The result will be $5 million in allocated funding for entrepreneurship programs in the Middle East and North Africa. • Created presentations and memorandums for division director. Show less

    • United States
    • Think Tanks
    • 200 - 300 Employee
    • Congressional Relations Intern
      • Sep 2014 - Dec 2014

      • Organized meetings with Congressional staffers and legislative assistants to discuss the Center's policies and ways to assist Congress. Called and emailed congressional offices to schedule introductions with Wilson Center Congressional liaison. • Supported the Vice President of New Initiatives with the Foreign Policy Fellowship Program through event planning and application review. Assisted with the development of practicum materials. • Organized meetings with Congressional staffers and legislative assistants to discuss the Center's policies and ways to assist Congress. Called and emailed congressional offices to schedule introductions with Wilson Center Congressional liaison. • Supported the Vice President of New Initiatives with the Foreign Policy Fellowship Program through event planning and application review. Assisted with the development of practicum materials.

  • Shumener, Odson, & Oh LLP
    • Greater Los Angeles Area
    • Litigation Assistant
      • Apr 2014 - Jul 2014

      • Supplied legal assistance in 10 legal matters regarding civil and criminal cases. Inputted and organized thousands of legal documents into firm’s database bycontinuously updating pleadings, correspondences, and exhibits to servers. • Communicated with the IT team in charge of the databases. • Received official pleadings and reports from the court and from opposing counsel to organize and file. • Conducted litigation research online using Westlaw, PACER, and Superior Court Websites on previous cases and asset searches on persons most knowledgeable. • Scanned and filed hundreds of depositions, letters, and court files. • Search for documents on Relativity database. Show less

Education

  • The George Washington University
    Master of Arts (M.A.) in International Affairs, International Economic Affairs
    2014 - 2016
  • Occidental College
    Bachelor of Arts (B.A.), Diplomacy and World Affairs
    2008 - 2012

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