DATA ENGINEER & SENIOR CONSULTANT, HEALTHCARE ANALYTICS
I'm Louis Millette — a data engineer and analytics consultant with 8+ years of software experience building data pipelines, analytics platforms, and predictive models. I specialize in turning complex data into reliable, actionable business outcomes across healthcare, fintech, and software engineering.
My background spans the full data stack — from writing Python microservices and SQL Server ETL pipelines to building Tableau and Power BI dashboards and training AI/ML models. I hold a Bachelor of Mathematics (Honours Statistics) from the University of Waterloo and have worked across organ procurement, fintech QA, software engineering, and healthcare analytics consulting.
SKILLS
Languages, tools & technologies
EXPERIENCE
Work history
-
Senior Consultant, Healthcare Analytics
Guidehouse — Cleveland, OH
March 2026 – Present
- Build clinical Power BI tools on Epic data for healthcare decision-makers
- Develop ETL pipelines into SQL Server for reporting and analytics
-
Data Engineer
Lifebanc — Cleveland, OH
October 2022 – July 2025
- Managed company-wide SQL Server infrastructure
- Created and maintained an AI predictive model for DCD expiration times in Python (SciPy)
- Built 50+ Tableau dashboards; wrote SQL queries and managed all data sources
- Maintained MS SQL Server Reports; created 5+ new reports from scratch
- Migrated 20+ stored procedures into centralized MS reports
- Introduced Git & Bitbucket; created and maintained report repositories
- Built 7 Python microservices and the framework to import data into SQL Server
- Helped migrate all 195 Tableau dashboards to Tableau Cloud
- Onboarded new hires; wrote PowerShell onboarding scripts; mastered Active Directory
- Wrote 2 R Markdown reports with business recommendations based on a GLM model
-
QA Engineer
OneZero — Boston, MA
January 2021 – October 2022
- Black box / smoke testing for OneZero Hub software and ARMS + Looker analytics dashboard
- Opened 61 tickets for bugs or improvements; involved in 175+ total tickets
- SQL queries for testing in PostgreSQL and Snowflake
- Wrote 20+ Postman API queries to test the Hub REST API
- Wrote 5+ full test plans in Confluence
-
Software Engineer
Inuvika — Toronto, ON
October 2018 – August 2020
- Created Python microservices automated by Jenkins on nightly builds
- Full-stack web development: PHP backend, Twig / HTML / JS frontend
- Wrote JSON API to replace legacy SOAP API
- Replaced PHP web templates with PHP-rendered Twig templates
- Supported multi-tenant architecture for the OVD 2.7 release
-
Programmer & Data Analyst Co-op
Seed Sustainable — Toronto, ON
January 2016 – April 2016
- Built user authentication with email token flow in Django on AWS
- Created 10 backend monitoring and graphing widgets with Highcharts
- Architected daily news and financial data pipeline from Zacks & Reuters (Python + PostgreSQL)
-
Software Developer Co-op
Astute Solutions — Columbus, OH
September 2015 – December 2015
- Developed C# server cron jobs for an enterprise web application
- Created 5+ JS/jQuery widgets linked to cron jobs
- Integrated Bamboo continuous test server in C# and ASP.NET
EDUCATION
University & degrees
Bachelor of Mathematics, Honours Statistics
University of Waterloo — Ontario, Canada
Graduated April 2018
CERTIFICATIONS
Professional credentials
Google Advanced Data Analytics Certificate
Applied to a personal project analyzing 10 years of rent trends: Rentflation →
GET IN TOUCH
Let’s work together