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Added 15 mins ago
SL
Senior AI Engineer
Sun Life
Toronto, ON · Waterloo, ON · Sun Life Toronto Atria
- Full-time
Corporate IT is seeking an experienced Senior AI Engineer to design, develop, deploy, and support enterprise-grade Artificial Intelligence, Machine Learning, and Generative AI solutions on…
Added 18 mins ago
I
Staff Software Developer (Pre-ID Relo)
Intuit
Toronto, ON
- Full-time
Staff engineers at Intuit lead without authority. You will influence roadmap, unblock teams, mentor senior engineers, and represent HCM technical strategy to senior engineering and product…
Added 18 mins ago
CE
Architecte Matériel Senior
CMC Electronics
Montreal, QC
- Full-time
This position reports to the Hardware Engineering Manager and collaborates closely with the Chief Engineer and System Engineers to design and enhance CMC’s core products. As the hands-on…
Added 25 mins ago
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Senior Staff Software Development Engineer
BeyondTrust
Canada
- Full-time
BeyondTrust is seeking a Senior Staff Software Development Engineer to set the technical direction for NHI Governance. NHI Governance is the Pathfinder Insights module that discovers,…
Added 25 mins ago
B
Senior Software Development Engineer
BeyondTrust
Canada
- Full-time
BeyondTrust is seeking a Senior Software Development Engineer to help build NHI Governance. NHI Governance is the Pathfinder Insights module that discovers, assesses, and remediates…
Added 25 mins ago
L
Senior System Test Engineer
LanceDB
Canada
- Full-time
As the Senior System Test Engineer at LanceDB, you will drive the correctness, reliability, and performance of Lance and LanceDB under demanding production conditions. You'll work at the…
Added 25 mins ago
I
Senior Software Developer (Pre-ID Relo)
Intuit
Toronto, ON
- Full-time
We are hiring a Senior Software Engineer to join our HCM engineering team in Toronto. You will own the design and delivery of full stack features across our HCM surfaces, working from…
Added 37 mins ago
M
Program Manager
MethodHub
Vancouver, BC
- Contract
…Vancouver, Seattle, and Portland, partnering with the Tech Lead Engineer/Analyst, the Analyst, and the offshore development squad to ensure the team delivers against the Rapid Core and…
Added 40 mins ago
ES
Forward Deployed Engineer
Epsilon Solutions Ltd.
Toronto, ON
- Full-time
We are looking for a senior Forward Deployed Engineer who combines production-grade software engineering, data engineering, AI application development, and client-facing consulting. You…
Added 42 mins ago
DP
Design Engineer
Dakota Prep
Canada
- Full-time
Product and design come first. But you ship. You'll build full features with AI coding tools, and our engineer reviews every PR and owns the simulator engine and core infrastructure. You…
Added 42 mins ago
TT
Senior eCommerce Solutions Engineer (Ruby on Rails)
TriCom Technical Services
Canada
- Full-time
We are seeking a Senior eCommerce Solutions Engineer (Ruby on Rails) who combines strong hands-on development experience with solution architecture and client-facing consulting skills. This…
Added 42 mins ago
S
Mechanical Engineer
SMARTFOX
ON · Ontario, Canada
- $75,000 to $125,000 CAD / year
- Full-time
Senior Mechanical Engineer (P.Eng.) - 5+ years : Leading product or system design, setting technical direction, signing and sealing work where required, driving cost and reliability,…
Added 50 mins ago
S
Associate Engineer, Software Engineering
Semtech
Burlington, ON · CAN - Burlington, ON
- Full-time
The Associate Engineer, Applications position is responsible for performing basic application software development activities in support of the Digital Analytic Software Team's tools for…
Added 53 mins ago
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Senior Software Engineer
HONK
Toronto, ON
- $140,000 to $160,000 CAD / year
- Full-time
We’re hiring a Senior Software Engineer to build and own systems end-to-end on the platform behind HONK’s growth. You’ll deliver new capabilities, strengthen the foundation underneath them,…
Added 53 mins ago
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Ingénieur Manufacturier Senior - Réparation de composants / Senior Manufacturing Engineer - Component Repair
Rolls-Royce
Montreal, QC
- Full-time
Ingénieur Manufacturier Senior - Réparation de composants
Added 53 mins ago
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Data Quality Engineer
Hays
Toronto, ON
- Contract
A leading organization is seeking a highly skilled and experienced Senior Quality Engineer to join its Enterprise Technology and Data team.
Added 55 mins ago
M(
[C] Senior Software Engineer - Developer Platform
MLSE (Maple Leaf Sports & Entertainment Partnership)
Toronto, ON · Scotiabank Arena
- Full-time
We are looking for a senior, hands-on software engineer with broad experience across software development, cloud infrastructure, DevOps, and developer tooling. You should be comfortable…
Added 58 mins ago
G
Senior Software Engineer
GreatPeople.Tech
Toronto, ON
- $120,000 to $130,000 CAD / year
- Full-time
Working closely with product, development, quality, and operations teams, the Senior Software Developer delivers high-quality solutions with “Just-Enough” complexity and intentional…
Added 58 mins ago
TC
forward Deployed Engineer
Tata Consultancy Services
Toronto, ON
- Full-time
We are looking for a senior Forward Deployed Engineer who combines production-grade software engineering, data engineering, AI application development, and client-facing consulting. You…
Added 58 mins ago
T
Senior QA Automation Engineer (Contract)
TekRek
Toronto, ON
- Contract
This is a hands-on senior role that covers both functional and automation testing across a production SaaS platform. You’ll own quality from requirements review through release. That means…
Added 1 hour ago
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Forward Deployment Engineer Lead - Marketing
''
Toronto, ON
- Full-time
- Other
Position Title: Forward Deployment Engineer Lead - Marketing
Added 1 hour ago
M
Senior Software Engineer
Microsoft
Vancouver, BC
- Full-time
We are looking for a Senior Software Engineer who is passionate about building reliable, scalable, high-performance backend systems. You will work across the analytical database engine and…
Added 1 hour ago
M
Senior Software Engineer
Microsoft
Vancouver, BC
- Full-time
As a Senior Software Engineer on the IC3 Video Platform team, you will design, develop, and improve foundational video platform technologies. You will solve complex engineering problems…
Added 1 hour ago
C
Technical Lead
Cognizant
Toronto, ON
- Full-time
We are seeking a Senior Generative AI Engineer with 7+ years of experience in software engineering, full stack development, and AI-powered solutions. In this role, you will design, build,…
Added 1 hour ago
H
Senior Backend Engineer
HRXconnect
Canada
- Full-time
This is an opportunity for an accomplished backend engineer to join a scaling engineering organization at a pivotal stage. You will design and build the services, APIs, and data systems…

Providius

Senior Software Engineer, Test

Hamilton, ON, Canada

$100,000 to $130,000 CAD / year · Full-time

Apply About employer

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Job details

Pay: $100,000 to $130,000 CAD / year
Job type: Full-time
Apply by: Apr 11, 2027
Experience: 5+ years of hands-on experience in software quality engineering, test automation, SDET, software engineering, or a closely related role
Posting language: English
Posted: Oct 13, 2026

Original job description

Providius is looking for an experienced Senior Software Engineer, Test to help us build stronger, faster, and more reliable ways of validating complex software systems.

This is a hands-on engineering role for someone who enjoys writing code, building automation, debugging difficult problems, and improving how software gets tested across an engineering organization.

Position Overview

This is a hands-on, individual-contributor role. You will spend most of your week writing test code, building test infrastructure, and working directly with engineers, not writing test plans for others to execute.

We are looking for someone to take our test automation and quality engineering practices to the next level. You will build the automated test suites and tooling underneath them, raise the standard for how the engineering team tests its own work, and help ensure our quality practices keep pace with how quickly modern software is now developed.

Software gets written and changed faster than it did even a few years ago. AI-assisted development accelerates that further, but it also changes where defects come from and what traditional reviews and test suites may miss. We want someone who sees that as an engineering problem: building the coverage, tooling, feedback loops, and development practices that allow the team to move quickly without sacrificing reliability.

Our products also increasingly include AI and machine-learning functionality, including LLM-based assistants and integrations with AI clients. These systems introduce a different class of testing problem. Outputs may vary between runs, model or prompt changes can alter behaviour without traditional code changes, and quality may need to be measured across a set of results rather than with a simple pass or fail.

You do not need to be an ML researcher, but you should have experience testing software with AI, ML, LLM, or other non-deterministic components and understand how to build credible evidence that these systems are ready to ship.

You will have meaningful autonomy and responsibility. You will work with engineering leadership to identify our biggest quality risks, establish practical approaches to addressing them, and implement the automation and tooling needed to make those approaches part of everyday development.

Duties And Responsibilities

Design, write, and maintain automated test suites across unit, integration, API, end-to-end, and regression testing
Build and improve test infrastructure including fixtures, mocks, reusable test libraries, test data management, and simulation environments
Build and maintain CI/CD test gates, smoke tests, regression suites, coverage reporting, and automated release-readiness checks
Keep automated testing fast, reliable, and useful enough that developers trust it and use it regularly
Build API and contract testing across services and integration boundaries
Establish performance, load, stress, and soak testing for high-throughput and real-time systems
Investigate and debug difficult failures across application, service, database, infrastructure, and deployment boundaries
Work with engineers to determine appropriate test coverage and validation approaches for new features and systems
Review test code with the same engineering standards applied to production code
Help developers improve the quality and testability of their own code rather than making testing the responsibility of a separate QA silo
Build reusable patterns and tooling that make it easier for engineers to write good tests
Establish practical testing standards and help drive their adoption across engineering
Identify gaps in existing test coverage and determine where deeper or different forms of validation are required
Help adapt our testing practices to the increased pace and changing failure modes introduced by AI-assisted software development
Use modern development and AI tooling to improve the speed and effectiveness of test development while maintaining confidence in the results
Validate that automated tests actually detect incorrect behaviour rather than simply confirming the current implementation
Share testing practices, tooling, and lessons across the engineering team

AI and ML Quality

Build and maintain evaluation approaches for AI, ML, and LLM-based product features
Test non-deterministic systems using representative datasets, repeated evaluation, appropriate metrics, and acceptance thresholds
Establish regression testing for model, prompt, retrieval, and AI-system changes
Test AI integrations end to end, including tool use, schemas, authentication, authorization, error handling, and unexpected responses
Help determine where automated evaluation is sufficient and where human review remains necessary
Validate data and pipelines used to support AI and ML functionality
Incorporate production failures and edge cases back into automated test and evaluation suites
Help define evidence-based release criteria for AI-enabled product functionality

Requirements

Tech Stack

Our engineering environment includes:

Languages: Python, Java, TypeScript
Test frameworks: pytest, JUnit, Playwright or Cypress
API and performance testing: Postman, k6 or JMeter
Data: PostgreSQL, TimescaleDB
Infrastructure: Linux, Docker
CI/CD: automated pipelines, test gates, coverage and release validation
Development tools: JIRA, Bitbucket
AI and ML systems: Python-based ML and LLM tooling, model and data pipelines, LLM integrations, and Model Context Protocol (MCP)

Required Skills / Experience

Experience with every technology listed is not required.

5+ years of hands-on experience in software quality engineering, test automation, SDET, software engineering, or a closely related role
Strong programming ability and experience building maintainable test automation and engineering tooling
Hands-on experience designing and implementing automated tests across multiple layers of a software system
Experience building or substantially improving automated test frameworks or test infrastructure
Experience integrating automated testing into CI/CD pipelines
Strong API, service-level, integration, and regression testing experience
Experience with performance, load, stress, or soak testing
Strong debugging and troubleshooting skills across complex software systems
Experience working with test data, fixtures, mocks, simulation, or comparable approaches to creating reliable test environments
Ability to take incomplete or ambiguous requirements and determine what should be tested, how it should be tested, and what acceptable behaviour looks like
Experience reviewing test code and helping software engineers improve their own testing practices
Strong understanding of software engineering practices, not just QA processes
Experience testing software containing AI, machine learning, LLM, or other non-deterministic functionality
Understanding of how validating probabilistic systems differs from testing deterministic software
Experience working in fast-moving software development environments with frequent code changes and automated delivery practices
Strong communication and collaboration skills

Nice to Haves

Experience building evaluation suites for LLM or machine-learning based products
Experience defining representative or golden datasets, scoring rubrics, quality metrics, acceptance thresholds, or automated graders
Experience with prompt evaluation and regression testing
Experience evaluating RAG systems, including retrieval quality, grounding, and citation accuracy
Experience testing agentic workflows, tool calling, MCP servers, or other AI integrations
Experience with LLM evaluation frameworks such as promptfoo, DeepEval, Ragas, or similar
Familiarity with LLM tracing and observability tools such as Langfuse or LangSmith
Experience using LLM-as-judge techniques and understanding their limitations
Experience validating fine-tuned models or comparing model versions
Experience testing data pipelines, ML pipelines, or model-serving infrastructure
Familiarity with PyTorch, Hugging Face, MLflow, Weights & Biases, or related ML tooling
Experience testing GPU inference systems such as vLLM or Triton
Experience with security testing for AI systems, including prompt injection, data leakage, and authorization boundaries
Experience with chaos engineering, fault injection, or resilience testing
Experience testing high-throughput, real-time, distributed, networking, or data-intensive systems
Familiarity with networking concepts and protocols
Experience with Docker, Kubernetes, Linux, and on-premise or hybrid deployments

Benefits

Pay

$100,000 - $130,000 per year

Benefits

Dental care
Extended health care
On-site parking
Paid time off
Vision care

Why Join Providius

Work on technically challenging software used in complex, real-time environments
Spend your time building testing systems and automation rather than managing a QA process
Have direct influence over how quality engineering is done across the company
Work closely with software, infrastructure, networking, and ML engineers
Help define practical approaches to testing AI-enabled software as those systems become a larger part of our products
Work in a small engineering organization where strong individual contributors can have significant impact
Take ownership of difficult problems without layers of process or bureaucracy

Apply About employer

More about this job

Responsibilities

Build and maintain automated test suites, test infrastructure, and CI/CD quality gates across software layers, including API, performance, regression, and end-to-end testing. Develop evaluation and release-validation approaches for AI and non-deterministic features, while collaborating with engineers to improve testing practices and product reliability.

Requirements

Requires 5+ years of relevant hands-on experience, strong programming skills, and experience building test automation and integrating it into CI/CD pipelines. Candidates should have broad testing and debugging expertise, including experience validating AI, machine-learning, LLM, or other non-deterministic software.

Skills

Test Automation
Software Quality Engineering
Python
Java
TypeScript
Automated Test Frameworks
CI/CD
API Testing
Integration Testing
Performance Testing
Debugging
AI and LLM Evaluation
Regression Testing
Test Data Management
Docker
Linux

Benefits

Dental Care
Extended Health Care
On-Site Parking
Paid Time Off
Vision Care

Visa sponsorship

Not detected in the job text

Keywords

Python
Java
TypeScript
Pytest
JUnit
Playwright
Cypress
Postman
K6
JMeter
PostgreSQL
TimescaleDB
Linux
Docker
CI/CD
Test Automation
API Testing
Performance Testing
Regression Testing
LLM Evaluation
Machine Learning
Model Context Protocol
Prompt Evaluation
Retrieval-Augmented Generation
Langfuse
LangSmith
Promptfoo
DeepEval
Ragas
Kubernetes

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