Senior Data & Platform Engineer · Technical Leader · Wayfinder

I build systems that move businesses forward.

I design and deliver enterprise data platforms, cloud integrations, internal applications, and AI-enabled systems that turn messy business problems into reliable production solutions.

Data Platforms Cloud Architecture Enterprise Integration Technical Leadership
Professional portrait of Erica Vaughn smiling
5 retailers enterprise data integrations
10M+ rows/day high-volume data workloads
PLATFORMS•ARCHITECTURE•DATA• INTEGRATION•AI SYSTEMS•LEADERSHIP•

Selected work

Complex systems. Clear outcomes.

Eighteen case studies across data platforms, applications, AI, analytics, and reliability. Each one is a sanitized reconstruction: no organization names, proprietary code, client data, or confidential architecture.

02

Data product · Self-service analytics

Enterprise Sales Datamart Explorer

End-to-end data product, from on-prem extraction to governed Gold models, plus a self-service app that replaced legacy reports for about 100 daily users.

  • ADF
  • Databricks
  • Delta Lake
  • Streamlit
  • CI/CD
Read case study →
03

AI / ML · Vector search

AI Comparable Title Selection

Hybrid rules-plus-vector-search system that returns ranked, explainable comparable titles on demand instead of overnight.

  • Databricks
  • Vector Search
  • Unity Catalog
  • Python
  • SQL
Read case study →
04

Incident response · Production data

Real-Time Warehouse Operations Recovery

Restored a floor-facing warehouse dashboard after a failed integration: traced the cascade, cleaned duplicate data, and recovered 14,033 of 14,033 valid records.

  • Azure Functions
  • Synapse
  • Azure SQL
  • Logic Apps
  • Key Vault
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05

Forecasting · Data app

New Product Sales Curve Planner

Automated 26- and 52-week launch curves with a governed curve editor, replacing a manual hours-to-days process.

  • PySpark
  • Delta Lake
  • Streamlit
  • Plotly
  • Asset Bundles
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06

Enterprise application · APIs

Planning Data Hub 2.0

Custom API-driven web app replacing a low-code planning portal, with faster grids, optimistic locking, auditable snapshots, and no vendor lock-in.

  • FastAPI
  • HTMX
  • AG Grid
  • Dataverse
  • Entra ID
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07

AI adoption · Learning platform

A.I. University

Internal AI learning platform driving Copilot adoption from the C-suite to every license holder, with courses, a readiness assessment, and progress tracking.

  • Streamlit
  • Databricks Apps
  • Unity Catalog
  • OAuth
  • Asset Bundles
Read case study →
08

Analytics · Methodology

Retail Event Overlap Allocation

A lift-weighted allocation method that stopped overlapping retail events from inflating POS units, where 9 real units had been showing up as 63.

  • PySpark
  • Spark SQL
  • Statistics
  • Matplotlib
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09

Reliability · Production engineering

Planning Platform Reliability & Performance

Diagnosed slow pages and intermittent outages in a production demand-planning app, from autovacuum lag and index bloat to the reads that hit them.

  • PostgreSQL
  • Supabase
  • Vercel
  • Sentry
  • Databricks
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10

Data architecture · Master data

Enterprise Master Data Consolidation

Bringing operational and analytical systems into line around consistent business entities, with canonical IDs, mapping rules, and visible exceptions.

  • Dynamics 365
  • ADF
  • Databricks
  • Delta Lake
  • Azure SQL
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11

Integration · Reusable framework

Reusable Enterprise Data Integration

A bidirectional pattern for syncing business-app data with the lakehouse, so new datasets connect without rebuilding one-off interfaces.

  • Dataverse APIs
  • Databricks
  • Python
  • SQL
  • OAuth
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12

Platform · Security & DevOps

Cloud Identity & Deployment Automation

Moving data-platform automation off personal credentials and onto service principals and federated identity, so jobs belong to the team.

  • Entra ID
  • Service principals
  • Databricks SDK
  • Terraform
  • OIDC
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13

Data quality · ERP migration

Post-Migration Account Conflict Detection

Found and sized the store account-number conflicts behind pipeline failures after an ERP migration, so fixes could be prioritized.

  • Databricks SQL
  • PySpark
  • Delta Lake
  • Data quality
Read case study →
14

Data engineering · Pipelines

Store-Level On-Hand Inventory Pipeline

Store-level inventory for a major retailer’s live items, after solving an identifier mismatch that had queries running for minutes with no results.

  • SQL Server
  • Databricks
  • JDBC
  • Workflows
  • Asset Bundles
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15

Orchestration · Idempotency

Retail POS Ingestion Orchestration

A Logic Apps workflow with a date-specific control marker that stops repeated source notifications from triggering duplicate loads.

  • Logic Apps
  • ADF
  • Blob Storage
  • JSON
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16

Data product · SQL

Retail Service Hours Data Product

Weekly store-level service hours with reliable Sunday–Saturday boundaries, one row per store-week, and a six-month backfill.

  • T-SQL
  • SQL Server
  • Azure pipelines
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17

MLOps · Security

ML Inventory Decision Review App

Human-in-the-loop app for approving ML-predicted inventory decisions, plus the least-privilege access pattern that made it secure.

  • Streamlit
  • Databricks Apps
  • Unity Catalog
  • Key Vault
  • RBAC
Read case study →
18

Production support · Low-code

Legacy Planning Portal Stabilization

Owned and stabilized a low-code forecasting portal: fixed UX bugs, root-caused forecast errors, and laid the groundwork for its replacement.

  • Power Pages
  • Dataverse
  • JavaScript
  • Power Platform CLI
Read case study →
Erica Vaughn in a professional portrait with arms crossed

About

I work in the space between a business problem and a production system.

My career has moved from advanced analytics and forecasting into data engineering, cloud architecture, enterprise integration, internal applications, platform reliability, and technical leadership.

I am often most useful when the problem is ambiguous: the data lives in multiple systems, the business language does not match the technical model, stakeholders need confidence, and someone has to make the path clear.

That is where I do my best work — understanding the problem, connecting the people and systems involved, making the architecture understandable, and helping a solution get all the way into production.

01Make the complex understandable.
02Build for people, not just systems.
03Own the outcome, not only the task.

Speaking & thought leadership

I want people to leave with a path forward.

I speak about technical leadership, nonlinear careers, data and platform engineering, and what it means to build influence before someone gives you the title.

01

Success Without Permission

Stop waiting to be chosen before you act on what you know you can become.

02

From Business Problem to Production

How technical professionals create more value by operating across systems, architecture, and stakeholders.

03

Leadership Before the Title

Influence, technical credibility, translation, and becoming the person people trust to find the way.

Speaking inquiries
Professional full-body portrait of Erica Vaughn

Ideas

What I’m thinking about.

Technical essays, career reflections, architecture notes, and lessons from building systems. New pieces coming soon.

Engineering note

Why late-arriving files break naive orchestration

A practical look at business-effective dates, system dates, and why reliable pipelines must distinguish the two.

Coming soon

Career

Leadership before anyone gives you the title

What changes when you stop measuring leadership by org charts and start measuring it by trust and outcomes.

Coming soon

Architecture

Building reusable integrations instead of one-off pipelines

The design patterns behind metadata-driven ingestion, incremental processing, and reusable engineering frameworks.

Coming soon

Let’s build something consequential

Complex problem? I like those.

I’m open to senior data/platform engineering, architecture, technical leadership, advisory, and speaking opportunities.