Walter K Jenkins

Mapping

Data Scientist

Developer

Professional Experience

Lumate - GIS Data Consultant (June 2020 - Present)

Designs analysis methodology for analyzing cellphone data stream for big data distribution company.
Advises on AWS aritecture for big data cell phone analysis project.

Metro Saint Louis - Senior GIS Data Analyst/Developer (March 2018- Present)

Designed and developed a JavaScript application to assess, install and document the install of 4,000 bus stops.
Put together Emergency Response JavaScript Mobile Friendly Applications for cleaning vehicles for Covid-19 efforts.
Designed and configured a mobile and desktop solution to effectively assess the reinstallation of 4,000 bus stops.
Empower non-technical employees to adopt the usage of ArcGIS Online Apps through user lead design and training.
Built a Python analysis script to analyze and compare scheduling information to population metrics for government reporting
Built an ETL process to transform spatial information, into geospatial data that would keep the Open Data portal up to date.
Formalized the basemap update process using Python to automate the transformation into an internally hosted application.

City of Charlotte - Transit Data Planner (June 2016- February 2018)

Designed ridership analysis queries in SQL for data inquires and route analysis for planning and communications.
Presented at National Transit Tech conference in Atlanta about a data analysis technique designed for performance measures.
Automated Origin/Destination data processing, visualization and calculated commute shed of bus routing.

PART – Transportation Planner (June 2012 - June 2016)

Successfully executed and planned analysis programs to significantly improve the efficiency of 2 bus routes.
Spearheaded the geographical documentation of PART’s route alignments and stop locations in ArcGIS.
Built sustainable methods to process data for new complicated tasks to import into SQL Enterprise applications.

Processed and Realtime data feed using Python and Leaflet to visualize Realtime Locations of Metro St Louis buses

Used Python & SQL to build data pipeline to periodically pull data from a database and convert, enrich and analyze data.
Data structure was designed to work with a ArcGIS server database to feed into operational databases.
JavaScript:

Donald Trump Approval Dashboard
React & D3 dashboard visualizing Donald Trump approval ratings in comparison to New York Times articles and Tweets.

Site is written in React and pulls data from GitHub, my Gatsby Blog RSS feed, and Metro St Louis’ vehicle’s GPS locations.

Created a mobile friendly JavaScript application to manage assessment and install of installing 4,000 bus stops. Survey123 COVID-19 Inventory Management Application
Created a mobile friendly JavaScript application to manage COVID-19 emergency product requests and inventory. Title VI Analysis & Processing
Translated federal regulations into Python script to allow for transit agency to check socioeconomic compliance.

Wrote up the St. Louis regulations in JavaScript logic that calculates the amount of chickens based on the fence to coop ratio.
Guided team on application design, data sources / formatting and made sure participants all felt involved in the process.

Python (2 years) – Proficient in analysis using Pandas, ArcPy and system management.
SQL (4 years) – Proficient in analyzing, maintaining data, and designing statistical and PostGIS queries in MS/Oracle.
JavaScipt (2 years) – Working knowledge of frontend development using DOM manipulation and ES6 practices.
Bash/Command (1 year) – Comfortable following documentation working in the command line to manage systems.
AWS (<1 year) – Worked with s3, CodePipeline and CloudFront to host and manage website connected through GitHub.