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Added 4 mins ago
Junior Biologist
Toronto and Region Conservation Authority (TRCA)
Woodbridge, ON
Division: Development and Engineering Services
Added 4 mins ago
T
Senior Applied Machine Learning Scientist
TD
Toronto, ON
- Full-time
…products that represent the future at TD, can all be driven with data, with a strong focus on…
Added 4 mins ago
V
Staff Software Developer / Développeur(se) logiciel principal(e)
Vention
Montreal, QC
- Full-time
…large, complex designs. Your work will help our sales, solution engineering and delivery teams confirm project feasibility in simulation early, which reduces risk and saves time on every…
Added 5 mins ago
SH
Controls Specialist
Silver Hills
Mission, BC
- $85,000 to $110,000 CAD / year
- Full-time
Position: Controls Specialist Reports to: Manager, Electrical & Controls
Added 5 mins ago
ZS
DevOps Architect
Zodiac Solutions, Inc
Toronto, ON
- Full-time
d. Strong grasp of algorithm, distributed systems, and data engineering (Langchain, Spark, Kafka, Delta Lake).
Added 5 mins ago
FI
Manager, Campaign Analytics - SQL, Pega/ TSYS CDH
FP Inc.
Toronto, ON
- $50 to $65 CAD / hour
- Contract
Partner with Campaign Design and Execution, Data Science, Marketing, Product, and channel teams to improve decisioning, personalization, next-best-action strategies, and multi-channel…
Added 19 mins ago
PP
Senior Manager, Quality Assurance & RA
Piramal Pharma Ltd
Aurora, ON
- Full-time
The Senior Manager, Quality Assurance & Regulatory Affairs provides leadership and direction for the Quality Assurance, Quality Management Systems (QMS) and Regulatory Affairs functions at…
Added 34 mins ago
MS
VP, Change Management Lead
Morgan Stanley
Montreal, QC
- Full-time
…platform, including electronic trading, algorithm trading, data analytics, cloud engineering, cybersecurity and digital technologies. Morgan Stanley has been rooted in the Montreal…
Added 34 mins ago
Senior Bridge Manager
Hatch
Vancouver, BC
We are seeking a motivated and experienced Senior Bridge Manager to join our Vancouver, BC office. In this role, you will provide technical leadership and project management for a range of…
Added 34 mins ago
E
Scientist II
Evonik
Burnaby, BC
- Full-time
$77,900 Minimum – $103,800 Mid per year (salary to be determined by education, experience, knowledge, skills and abilities of applicant, internal equity, and alignment with market data)
Added 34 mins ago
AI
Technical Product Manager - Platforms & Integrations
Accurant International
Remote, Canada
- $120,000 to $140,000 CAD / year
- Full-time
- Remote
Strong understanding of APIs, integration patterns, data models, and authentication, with the ability to evaluate technical options and work effectively with engineering.
Added 34 mins ago
Senior Consultant, Professional Services
Bell
Montreal, QC
Reporting to the Senior Manager, Delivery Assurance, the Senior Consultant is responsible for the technical engineering and design of data transmission network solutions. In this role, you…
Added 34 mins ago
GD
AI Governance & Risk Manager
General Dynamics Mission Systems–Canada
Ottawa, ON
- $120,000 to $160,000 CAD / year
- Full-time
At General Dynamics Mission Systems–Canada, we’re not just engineering technology - we’re shaping the future of defence and security. Our teams design and deliver advanced, mission-critical…
Added 34 mins ago
GD
Subcontract Program Manager
General Dynamics Mission Systems–Canada
Ottawa, ON
- $125,000 to $165,000 CAD / year
- Full-time
Reporting to a Program Manager, the SPM will be accountable throughout the pre-contract and post-contract award lifecycle and will coordinate closely with program, engineering, supply…
Added 34 mins ago
GD
AI Governance & Risk Manager
General Dynamics Mission Systems–Canada
Ottawa, ON
- $120,000 to $160,000 CAD / year
- Full-time
At General Dynamics Mission Systems–Canada, we’re not just engineering technology - we’re shaping the future of defence and security. Our teams design and deliver advanced, mission-critical…
Added 49 mins ago
Network Designer
Rogers Communications
Brampton, ON · Toronto, ON
We are looking for a Network Designer , Reporting to the Sr Manager, Engineering – Data Metering & Signaling, the Network Designer will be the technical Subject Matter Expert (SME) to drive…
Added 49 mins ago
Channel Partnerships Manager, Investor Ecosystems (VC & PE)
Gusto, Inc.
Toronto, ON
Gusto is looking for a VC & PE Partnerships Manager to own and scale our relationships across venture capital (VC) and private equity (PE) firms.
Added 49 mins ago
A
Principal Product Manager
Absorb
Remote, Canada
- Full-time
- Remote
We’re looking for a Principal Product Manager to define the future of our Enterprise Customer Education segment, helping Absorb’s enterprise clients train and enable their customers at…
Added 49 mins ago
T&
Project Controls Officer
Turner & Townsend
Ottawa, ON
- Full-time
Working closely with the Project Controls Manager to establish strong project controls process, procedures, and reporting
Added 1 hour ago
C
Full Stack Software Developer | Temporary Full Time (1.0 FTE) | CHEO Research Institute
CHEO
Canada
- Full-time
Design and maintain relational databases, data models, and schema migrations.
Added 1 hour ago
Survey Manager
Infrastructure Ontario
Toronto, ON
The Surveys Manager provides senior technical leadership and oversight for surveying and geomatics activities supporting Infrastructure Ontario land acquisition, infrastructure delivery,…
Added 1 hour ago
A
Maintenance Planner
Agropur
Quebec, QC
- Full-time
Reporting to the Maintenance Manager, the Maintenance Planner is responsible for planning and coordinating the execution of scheduled maintenance activities at the plant. The incumbent is…
Added 1 hour ago
JC
Customer Quality Project Manager
Johnson Controls
AB · SA - Edmonton Orion
- Full-time
The Customer Quality Project Manager is responsible for leading customer-focused quality initiatives and driving resolution of product, manufacturing, and field performance issues…
Added 1 hour ago
Manager, Marketing Analytics
Stripe
Toronto, ON
As Manager of the Marketing Analytics team, you will lead and develop a high-performing team of analysts that delivers rigorous analysis, strategic guidance, and trusted data products to…
Added 1 hour ago
S
Sales Support Manager-Data Centre & Managed IT Services
SaskTel
SK · Saskatchewan, Canada
- Full-time
Help shape what’s next in technology at SaskTel. As Sales Support Manager, you’ll support both the Cloud/Data Centre and Managed IT Services (MITS) product portfolios, turning market…

Plusgrade

Applied AI Test Engineer - Intern

Toronto, ON, Canada
CAN - Toronto, Canada

Full-time

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Job details

Job type: Full-time
Posting language: English
Posted: Nov 4, 2026

Original job description

Employment Type:

Intern (Fixed Term) (Trainee)

Job Description:

QA Test Engineer Co-op

Testing machine learning pipelines and autonomous agents is completely different from testing deterministic software, and our team needs someone who wants to break live AI systems, catch hallucinations, and ship resilient test automation.

What You'll Be Doing

Working under the direction of a Senior SDET on the Applied AI Engineering team, you will build and maintain automated test suites that safeguard production machine learning pipelines and agentic AI systems. You will spend your days testing model-serving endpoints, validating data schemas, asserting against non-deterministic agent workflows, and developing Python utilities that stress-test edge cases before code ships. Coding agents and LLM tooling handle the initial test scaffolding and data synthesis, allowing you to focus your attention on triaging complex failures and verifying fallback paths. Everything you test and automate directly unblocks live releases across critical initiatives powering travel pricing and partner commerce.

The Stack

Python · pytest · Postman · Locust · k6 · Airflow · Dagster · Prefect · MLflow · Weights & Biases · dbt · Spark · Docker · Kubernetes · AWS · GCP · GitHub Actions · GitLab CI · Jenkins · Git

What You Bring

You get up to speed quickly on unfamiliar systems and complex codebases, understanding how components connect and becoming productive on active production suites without needing hand-holding.
You have hands-on experience designing, writing, and maintaining automated tests, with a strong understanding of test case design, defect tracking, and regression prevention.
You write clean, functional Python for test automation and scripting, and you are comfortable building utilities, data-setup scripts, or running API tests with tools like pytest or Postman.
You understand that machine learning models and AI agents fail differently from traditional deterministic code, and you are eager to test data contracts, pipeline reproducibility, and edge cases where output legitimately changes between runs.
When it comes to AI, you already rely on coding assistants and LLMs to generate test scaffolding, write scripts, or inspect errors, with the sharp judgment to catch hallucinations, verify assertions, and reject code that falls short.

Why Plusgrade

Travel is about the moments that make a journey feel personal. At Plusgrade, we build the technology that makes those moments possible, from upgrade offers and loyalty experiences to revenue tools used by 575+ airline, hospitality, cruise, rail, and financial services partners worldwide.

The work is global, complex, and rewarding. You will solve meaningful problems, take ownership from idea to outcome, and work alongside people who are smart, curious, and committed to doing great work.

We also give our teams access to AI tools and the encouragement to use them thoughtfully, to move faster, explore ideas, and build better ways of working.

We trust our teams to do their best work. That means autonomy, flexibility, and room to grow.

Come help us shape the future of travel.

What You'll Love About Us

🏦 RRSP Matching · 🏥 Comprehensive Health Plans · 📅 Flexible Paid Time Off · ✈️ Travel Experience Perk · 🧘 Annual Wellness Perk · 🚆 Commuter Perk · 🌅 Tenure-Based Work From Anywhere Program · 🍼 Parental Leave Top Up · 🌍 Adventure Pass · 🎓 Learning Allowance

Our Process

We believe every candidate deserves a fair, transparent experience, so regardless of outcome, everyone gets feedback.

Our process: Recruiter call → Hiring Manager interview → Final interview.

Plusgrade is an equal-opportunity employer committed to accessible recruitment. We welcome applications from all qualified individuals regardless of gender identity or expression, race, ethnic origin, creed, place of origin, age, sex, marital status, physical or mental disability, sexual orientation, or any other category protected by law. Accommodation is available upon request. We may use AI-assisted tools to help screen and assess applicants for this role. This posting is for an existing vacancy.

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More about this job

Responsibilities

You will build and maintain automated test suites to safeguard production machine learning pipelines and agentic AI systems. Your role involves triaging complex failures, verifying fallback paths, and developing Python utilities to stress-test edge cases.

Requirements

You should have hands-on experience designing and maintaining automated tests with a strong understanding of test case design and defect tracking. Proficiency in Python and familiarity with AI/LLM tooling for test scaffolding are essential for this role.

Skills

Python
Pytest
Postman
Locust
K6
Airflow
Dagster
Prefect
MLflow
Weights & Biases
Dbt
Spark
Docker
Kubernetes
AWS
GCP

Benefits

RRSP Matching
Comprehensive Health Plans
Flexible Paid Time Off
Travel Experience Perk
Annual Wellness Perk
Commuter Perk
Tenure-Based Work From Anywhere Program
Parental Leave Top Up
Adventure Pass
Learning Allowance

Visa sponsorship

Not detected in the job text

Keywords

Applied AI
QA Test Engineer
Machine Learning Pipelines
Autonomous Agents
Test Automation
Python
Pytest
Postman
Locust
K6
Airflow
Dagster
Prefect
MLflow
Weights & Biases
Dbt
Spark
Docker
Kubernetes
AWS
GCP
GitHub Actions
GitLab CI
Jenkins
Git
Data Schemas
Regression Prevention
LLM Tooling
API Testing
Data Synthesis

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