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Added 2 months ago
MH
Sr. Platform Engineer
MedMe Health
Remote, Canada
- $116,000 to $156,000 CAD / year
- Full-time
- Remote
MedMe is the software layer that pharmacies across North America run their clinical services on. Nova is the pod that builds and owns the platform everything else sits on: our AWS…
Added 2 months ago
F
Senior Quality Systems Manager – Medical Devices (ISO 13485 / FDA)
femtherapeutics
Remote, Canada
- Full-time
- Remote
…device is delivered alongside a digital platform that supports clinical screening, education, and care navigation. Through this combination of hardware and software, femtherapeutics…
Added 2 months ago
SM
Software Engineer
Sonus Microsystems
Vancouver, BC
- Full-time
…operator-independent patient monitoring, and we're looking for a Software Engineer to join our highly collaborative team of scientists, engineers, and innovators working at the intersection…
Added 2 months ago
C
Sales Engineer
Cliniconex
ON · Kanata, Ontario
- Full-time
As a Sales Engineer at Cliniconex, you’ll be the product authority in every sales conversation. You’ll own product demonstrations across all of our verticals - senior care, medical and…
Added 2 months ago
WI
Intermediate Electrical Engineer, Healthcare Buildings
WSP in Canada
Vancouver, BC
- Full-time
…high-performance electrical systems that improve patient care, support clinical excellence, and create safer, more resilient…
Added 2 months ago
WI
Intermediate Electrical Engineer, Healthcare Buildings
WSP in Canada
Vancouver, BC
- Full-time
…high-performance electrical systems that improve patient care, support clinical excellence, and create safer, more resilient…
Added 2 months ago
TA
Senior/Staff Applied AI Engineer
Tali AI
Toronto, ON
- Full-time
…make healthcare more accessible with AI. We're building the clinical operating system: an ambient AI scribe, a billing agent, scheduling, clinical decision support, and more on one platform…
Added 3 months ago
ES
Machine Learning Engineer - Express Scripts Canada
Express Scripts Pharmacy Benefit Services
Mississauga, ON
- Full-time
Express Scripts Canada is looking for a Machine Learning Engineer to join our Team. The successful candidate will design, build, and operate data pipelines and ML services that detect…
Added 2 months ago
S1
Full-Stack Machine Learning Engineer
Signal 1
Toronto, ON
- Full-time
…Every one of those agents acts on real patient data inside real clinical workflows, and every one of them needs to be visible, evaluated, and defensible from the day it goes…
Added 2 months ago
C
Senior Data Engineer
CarePartners
London, ON · Waterloo, ON
- Full-time
The Senior Data Engineer is responsible for the design, governance, and ongoing evolution of the organization's enterprise data environment. This role provides leadership in data…
Added 3 months ago
FP
Software Engineer - Internal Regulatory Tooling
Foundation Partners
Cambridge, ON
- Full-time
You’d be the first dedicated QARA Engineer at Flok, and as such would have influence and ownership in the role. We think of the role as an application of an engineering approach to the…
Added 3 months ago
EA
Machine Learning Engineer
exacare ai
Canada
- Full-time
…platform turns messy, unstructured referral packets into clear clinical insights and next steps, so teams can make faster, safer placement decisions with less administrative burden. Today,…
Added 3 months ago
EA
Senior Software Engineer
exacare ai
Canada
- Full-time
…platform turns messy, unstructured referral packets into clear clinical insights and next steps, so teams can make faster, safer placement decisions with less administrative burden. Today,…
Added 2 months ago
AC
Technician, Maintenance
Auxly Cannabis
Toronto, ON
- $27 to $30 CAD / hour
…visionaries have secured a diversified supply of raw cannabis, strong clinical, scientific, and operating capabilities and leading research and development infrastructure in order to create…
Added 2 months ago
TF
Clinical Systems & Digital Implementation Lea
The Fertility Partners Inc
Toronto, ON
- $90,000 to $110,000 CAD / year
- Full-time
The Clinical Systems & Digital Implementation Lead owns the end-to-end implementation of all clinical technology across the TFP network. That includes TFP’s clinical digital tools and…
Added 3 months ago
VH
Senior Engineering Manager, Software
Verto Health
Remote, Canada
- $150,000 to $200,000 CAD / year
- Full-time
- Remote
…patented, AI-enabled platform ingests structured and unstructured clinical data across disparate EHRs, claims, and payer systems to create a unified, actionable view of patient populations.…
Added 2 months ago
M
Staff AI Engineer
Maple
Toronto, ON
- Full-time
We're looking for a Staff AI Engineer to help our engineering teams build, evaluate, and scale AI features across the product - and set the bar for what great looks like.
Added 3 months ago
TA
Engineering Manager
Tali AI
Toronto, ON
- Full-time
…make healthcare more accessible with AI. We're building the clinical operating system: an ambient AI scribe, a billing agent, scheduling, clinical decision support, and more on one platform…
Added 3 months ago
V
Cyber Security Engineer
Verathon
Burnaby, BC
- $125,000 to $193,400 USD / year
- Full-time
…delivering high-quality products that endure over time and ensure clinical and economic utility. Two areas where Verathon has significantly impacted patient care, and become the market…
Added 2 months ago
S
Staff Engineer, Computer Vision
Stryker
Burnaby, BC
- $105,300 to $140,450 CAD / year
- Full-time
At Stryker Endoscopy, our Computer Vision team develops advanced image analysis technologies that support clinical decision-making, improve visualization, reduce surgeon workload, and…
Added 2 months ago
Intermediate Electrical Engineer, Healthcare Buildings
WSP
Vancouver, BC
…high-performance electrical systems that improve patient care, support clinical excellence, and create safer, more resilient…
Added 3 months ago
MH
Senior Full-Stack Automation Engineer - Gravity
MedMe Health
Remote, Canada
- $115,000 to $176,000 USD / year
- Full-time
- Remote
…that enables pharmacists to schedule, document, and manage clinical services at scale. With over 4,500 pharmacies using our software, we’ve facilitated more than 25 million patient…
Added 3 months ago
FH
Senior Software Engineer - Fullstack
Function Health
Canada
- Full-time
Collaborate closely with product, design, and clinical teams to translate requirements into intuitive desktop, tablet, and mobile experiences.
Added 3 months ago
O
Senior Machine Learning Engineer in Medical Imaging
Oncoustics
Toronto, Ontario
- Full-time
Director/ Senior Machine Learning Engineer in Medical Imaging
Added 3 months ago
O
Senior Quality Assurance (QA) Engineer
Oncoustics
Toronto, Ontario
- Full-time
The senior quality assurance (QA) engineer will lead test efforts for Oncoustics’ clinical solutions. This includes building test automation systems, ensuring quality efforts across our…

Express Scripts Pharmacy Benefit Services

Machine Learning Engineer - Express Scripts Canada

Mississauga, ON, Canada

Hybrid

Pay Range: $115,000 - $125,000 annually · Full-time

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Job details

Pay: Pay Range: $115,000 - $125,000 annually
Job type: Full-time
Workplace: Hybrid
Posting language: English
Posted: Jul 29, 2026

Original job description

Job Description

Job Title: Machine Learning Engineer

Location: Mississauga

Employment Type: Full-time

Reason for Vacancy: Replacement

Work Arrangement: Hybrid

Department Name: Application Delivery Department

Pay Typed: Salaried

Pay Range: $115,000 - $125,000 annually

Please note that this is a general posting range and offer range will be varied based on relevant experience, qualifications, skills required and location for this role.

About Us

Express Scripts Canada (ESC) is the leader in health benefits management. Serving over 12 million members, we help insurance carriers, third party administrators, and the public sector optimize the value of health benefits by linking the talent and professional expertise of our people with leading edge

information management systems and technology. Express Scripts Canada is a wholly owned subsidiary of Express Scripts, one of the largest pharmacy benefit management (PBM) companies in North America, part of The Cigna Group (NYSE: CI), a global health company. Together, we deliver innovative,

cost-effective solutions that improve access, affordability, and health outcomes for Canadians.

Job Summary

Express Scripts Canada is looking for a Machine Learning Engineer to join our Team. The successful candidate will design, build, and operate data pipelines and ML services that detect unusual patterns in healthcare claims and pharmacies.

The role blends hands-on data engineering (Oracle + ETL), model development (unsupervised learning), and API serving (Python/FastAPI), with close collaboration across business teams. You’ll ensure the best possible performance, quality, and responsiveness of the applications and pipelines, and help maintain code quality, organization, and automation.

Key Responsibilities

Design & implement ML data pipelines to ingest, engineer, and persist features from Oracle (SQLAlchemy/oracledb), including robust logging, argument-driven CLI tools, and environment-based configuration (.env).
Build and validate unsupervised ML models (e.g., MiniBatchKMeans/KMeans, DBSCAN) with dimensionality reduction (TruncatedSVD/PCA), leveraging chunked processing and sparse matrices for large datasets; evaluate using silhouette/Calinski-Harabasz/Davies-Bouldin and stability checks.
Serve models as REST APIs (ie. FastAPI/Pydantic) with health endpoints, CORS, structured response models, and joblib artifact loading; instrument application logs and operational run scripts.
Orchestrate end-to-end validation (DB → feature engineering → API scoring → curated outputs), writing curated results back to Oracle tables and creating/maintaining schemas and DDL where required.
Collaborate with business teams to interpret clusters/risk buckets, explain top contributing features, and incorporate feedback loops into subsequent runs and outputs.
Support deployment workflows in sandboxed/on-prem environments; participate in CI/CD (e.g., Jenkins/OpenShift pipelines) as part of model operationalization.
Ensure performance, quality, and responsiveness of data pipelines and APIs; help maintain code quality, organization, and automation; perform code reviews and follow Agile ceremonies.
Understand how AI is interpreting the data set and use that understanding to build prompt that lead to expected outcomes
Develop and maintain AI pipelines including data preprocessing, feature extractions, model training, and evaluation

What We’re Looking For

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
Bachelor’s degree in Computer Science, Data Science, Engineering, Mathematics, or a related field (or equivalent practical experience).
Core programming (Python): Strong with NumPy, pandas, scikit-learn, SciPy (sparse), joblib, CLI (argparse), and data visualization (matplotlib/seaborn).
Modeling (Unsupervised): Practical experience with MiniBatchKMeans/KMeans, DBSCAN, TruncatedSVD/PCA, cluster evaluation (silhouette, CH, DB), and stability/bootstrapping.
Data engineering and Oracle: Writing performant SQL; using SQLAlchemy and oracledb for reads/writes; creating tables/DDL; batch inserts; column/type normalization.
ETL pipelines: Feature engineering over large volumes with chunked processing, environment-aware configs (.env), robust logging, and CSV/DB outputs.
APIs and integration: Batch prediction flows via REST (e.g., httpx client) and schema-compatible exports
Version control and CI/CD: Proficient with Git; familiarity with Jenkins/OpenShift pipelines and on-prem deployment constraints.
Experience in Healthcare domain with exposure to Fraud, Waste, and Abuse detection in pharmacy/claims, risk scoring thresholds, and audit support artifacts considered a strong asset.
Experience with on-prem, masked datasets and familiarity with Docker/OpenShift deployment patterns for ML APIs.

Why Join Us

Competitive compensation, benefits and pension plan
Career development and advancement opportunities
A culture that celebrates innovation and collaboration
Flexible work options and wellness programs

Pre-Employment Requirements

All offers of employment are conditional upon the successful completion of reference checks and background verification in accordance with company policy. Within ESC, for certain positions, obtaining and maintaining a federal government security clearance is a bona fide occupational requirement. Candidates applying for such roles must meet all eligibility criteria for the applicable clearance level and consent to the security screening process as mandated by federal regulations. Failure to obtain or maintain the required clearance will result in withdrawal of the offer or termination of

employment.

Our hiring process includes AI-powered tools to conduct video interviews, take notes and score candidates; however, all scores will be reviewed by hiring managers and our Talent team before making a decision.

Express Scripts Canada Is a Cigna Company

Express Scripts Canada is a subsidiary of Express Scripts, a Cigna company. Cigna Corporation (NYSE: CI) is a global health service company dedicated to improving the health, wellbeing and peace of mind of those we serve. Cigna offers an integrated suite of health services through Cigna, Express Scripts, and our affiliates including medical, dental, behavioural health, pharmacy, vision, supplemental benefits, and other related products.

About Express Scripts Canada

Express Scripts Canada is a leading health benefits manager and has been recognized as one of the most innovative. Our clients include Canada's leading insurers, third party administrators and governments. We work with these clients to develop industry-leading solutions to deliver superior healthcare in a cost-controlled environment. We provide Active Pharmacy™ services to more than 7 million Canadian patients and adjudicate more than 100 million pharmacy, dental, and extended health claims annually. Through our proprietary consumer intelligence, clinical expertise, and patients-first approach, we promote better health decisions for plan members, while managing and reducing drug benefit costs for plan sponsors.

It will be a condition of employment that the successful candidate obtains an Enhanced Reliability Clearance from the Federal Government. The candidate will be required to provide supporting documentation to receive clearance if required.

We offer a competitive salary and benefits package, along with a positive work environment built on solid corporate values, integrity, mutual respect, collaboration, passion, service and alignment.

We are an equal opportunity employer that promotes a diverse, inclusive and accessible workplace. By embracing diversity, we build a more effective organization that empowers our employees to be the best that they can be.

We are committed to creating a working environment that is barrier-free and we are prepared to provide accommodation for people with disabilities.

If you require accommodation in completing the online application process, please email: eschr2@express-scripts.com Do not email eschr2@express-scripts.com for an update on your application or to provide your resume as you will not receive a response.

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More about this job

Responsibilities

Design and operate ML data pipelines and services to detect unusual patterns in healthcare claims and pharmacies. This includes building unsupervised models, serving them via REST APIs, and collaborating with business teams to interpret risk buckets.

Requirements

Requires 5+ years of application development experience and 3-5 years of professional experience in data science or ML engineering with Python. A bachelor's degree in Computer Science, Data Science, Engineering, Mathematics, or a related field is required.

Skills

Python
Machine Learning
Data Engineering
Oracle SQL
FastAPI
Unsupervised Learning
Scikit-learn
Pandas
NumPy
CI/CD
Git
REST APIs
ETL Pipelines
Docker
OpenShift
Healthcare Data Analysis

Benefits

Competitive Compensation
Benefits Plan
Pension Plan
Career Development And Advancement Opportunities
Flexible Work Options
Wellness Programs

Visa sponsorship

Not detected in the job text

Keywords

Machine Learning
Python
Oracle
SQLAlchemy
FastAPI
Pydantic
KMeans
DBSCAN
PCA
TruncatedSVD
Scikit-learn
Pandas
NumPy
SciPy
Joblib
Jenkins
OpenShift
Docker
ETL
REST API
Healthcare
Fraud Detection
Waste and Abuse
Agile
Git
CI/CD
Data Pipelines
Feature Engineering
Unsupervised Learning
Cluster Evaluation

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