Machine Learning Engineer at Express Scripts Canada

Compensation

CA$115,000 – CA$125,000/yr

Setup: Hybrid
Location: Mississauga, Ontario
Type: Full-time

Description

Express Scripts Canada is seeking a Machine Learning Engineer to design, build, and operate data pipelines and ML services focused on detecting unusual patterns in healthcare claims and pharmacies. This role involves hands-on data engineering, model development, and API serving, collaborating closely with business teams to ensure high-performance, high-quality, and responsive applications.

Required Skills

Data Pipelines
ML Services
Pattern Detection
Data Engineering
Model Development
API Serving
Python
FastAPI
NumPy
pandas
scikit-learn
SciPy
CLI
Data Visualization
MiniBatchKMeans/KMeans
DBSCAN
TruncatedSVD/PCA
Silhouette Index
Calinski-Harabasz Index
Davies-Bouldin Index
Stability Checks
REST APIs
Pydantic
joblib
Git
Jenkins
OpenShift
ETL Pipelines
Chunked Processing
Sparse Matrices
Large Datasets
Feature Extraction
Model Training
Evaluation

Additional Information

Required Previous Experiences: 5+ years application development experience
3–5 years of professional experience in data science / machine learning engineering with Python, including productionizing data pipelines or ML services
Preferred Qualifications: Experience in Healthcare domain with exposure to Fraud, Waste, and Abuse detection in pharmacy/claims, risk scoring thresholds, and audit support artifacts.
Experience with on-prem, masked datasets and familiarity with Docker/OpenShift deployment patterns for ML APIs.

About Express Scripts Canada

Express Scripts Canada

health benefits managerMississauga, Ontario, Canada

Welcome to Express Scripts Canada. We are a health benefits manager that leverages powerful capabilities to create innovative and effective solutions.