What I'm Building.

My projects.

NYC 311 Demand Intelligence

An end-to-end data platform forecasting NYC 311 service request demand across 6.2M records and 14 complaint categories. A production-style dbt + DuckDB pipeline feeds a hybrid Prophet/LightGBM forecasting model (27.6% mean MAPE) and a Gemini-powered natural language data assistant, all served through a Streamlit dashboard with live staffing recommendations.

PythondbtDuckDBProphetLightGBMStreamlitGemini API

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Elsewhere: A Global Lifestyle & Cost Dashboard

An interactive Tableau dashboard that helps you find where your salary goes furthest based on what matters most to you. A Python pipeline combines data from five sources across 618 cities to power an interactive world map, personalised rankings, city comparisons, and a supporting data story.

PythonBeautifulSouppandasgeopyTableau

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Let's connect.

Open to workforce modelling, analytics, and data specialist roles — reach out or send an email.

jesse@jesse-obrien.com

Auckland, New Zealand
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© 2026 Jesse O'Brien.