L. MANSFIELD

02 / Work

Builds
that ship.

The analytics engineering catalog: real business segmentation work, end-to-end pipelines, dashboards, ML projects, and certifications.

Power BI Python SQL Machine Learning Microsoft Fabric Snowflake n8n Supabase Azure Databricks

More work

10 projects
Real Business Data · ZooTampa

RFM Customer Segmentation

Recency-Frequency-Monetary segmentation built on real guest transaction data, producing customer groupings the business can target — delivered in Power BI.

Power BI SQL Segmentation
Most Recently Completed Project · AI

Agentic Dynamic Pricing Simulator and E-Commerce Store

A fully functional e-commerce store representing a sandbox for 3 n8n agents to price, stock, and purchase zoo tickets in real time. I analyzed the bot performances to identify bottlenecks in performance, and updated them to run more efficiently.

n8n Supabase Software Engineering
Modeling · Ensemble

Modeling Churn

Ensemble learning predicts churn on validation data with 93% accuracy — viable for real-world business cases. Next steps: generalization tests and deployment strategy.

Python ML
In progress · ML

Camera Trap Detection

Transfer-learning pipeline for wildlife camera-trap imagery. Exploring fine-tuning of pretrained vision models against a small, noisy field dataset.

Transfer Learning Vision
Pipeline · Live

Owl Park · Medallion Pipelines

Exploring medallion architecture with Microsoft Fabric — bronze ingestion from Supabase, silver cleansing, gold dimensional models powering the Owl Park Power BI dashboards.

Fabric Power BI
Certification · Microsoft

PL-300 · Power BI Data Analyst

Microsoft Certified: Power BI Data Analyst Associate — semantic modeling, DAX, visualization, and report deployment.

Power BI DAX
Certification

Snowflake Hands-On Essentials

Snowflake Data Warehousing Workshop — strengthening cloud warehouse modeling and SQL workflow patterns.

Snowflake SQL
Certification

SQL Professional Certificate

LearnSQL.com Professional Certificate of Competency, emphasizing query writing and analytical problem solving.

SQL
Workshop

Fabric in a Day

Hands-on Microsoft Fabric workshop covering OneLake, lakehouses, warehouses, and Real-Time Intelligence end-to-end.

Fabric
Site · E-commerce

Pet Services Storefront

A fully working ecommerce store for purchasing pet services such as dog walking.

Supabase Power BI

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