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Senior Test Development Engineer Jobs in Ontario

Clockwork.io

CA$130K - CA$175K/yr

Summary We are looking for a Software Development Engineer in Test who thrives in fast-paced startup environments and is excited to be a co-owner and major contributor to our testing and CI/CD ...

Adtran

NPI-LCE Test Engineer, Sr.

Ottawa, ON · On-site

The NPI-LCE Test Engineer will be responsible for the development of automated test solutions for our photonic integration modules and assemblies. These test solutions will be used during NPI and ...

TTEC Digital

Senior QA / SDET Engineer

Toronto, ON · Remote

TTEC Digital seeks a Sr. QA/SDET Engineer to join our team. This role is a full-time and fully remote opportunity! The work: We're an innovation group inside TTEC (NASDAQ: TTEC), building the next ...

SOCOMEC

Product Development Engineer

Brampton, ON · On-site

CA$110K - CA$130K/yr

About This Role This senior role will work closely with members of the engineering team comprising ... the test and development of the products both at the device and systems level, and prepare ...

TTEC Digital

QA Lead /SDET Lead

Toronto, ON · Remote

Keeps the respect of senior engineers through technical credibility; comfortable telling a tech ... The QA/SDET Lead role builds upon our Senior QA/SDET profile by adding team leadership ...

Source Code

RQ00682 - 2 x Sr. Test Lead

Toronto, ON · On-site

The Cancer Screening Project requires the engagement of two Flextrack Senior Test Leads to support the timely software development, and implementation of secure serverless Application Programming ...

Mircom Group of Companies

Test Engineer

Concord, ON · On-site

Test Engineer - Manufacturing Vaughan, ON Founded in 1991, the Mircom Group of Companies is North ... Project development with solid understanding of protocols, standards, and product specifications to ...

Mircom Group of Companies

Test Engineer

Vaughan, ON

Test Engineer - Manufacturing Vaughan, ON Founded in 1991, the Mircom Group of Companies is North ... Project development with solid understanding of protocols, standards, and product specifications to ...

Nokia

System Test QA Engineer

Kanata, ON

As a System Test QA Engineer at Nokia, you'll play a crucial role in ensuring the quality of our ... Extensive Hands-on experience in automated test development using Python. * Deep Knowledge of ...

RWDI

Wind Tunnel Test Technician

Guelph, ON

CA$50K - CA$60K/yr

RWDI is a global climate and performance engineering consulting firm that helps its clients ... The Senior Wind Tunnel Operator is responsible for setting up and executing experiments adhering to ...

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All JobsTest Development Engineer JobsSenior Test Development Engineer JobsSenior Test Development Engineer Jobs in Ontario

Senior Test Development Engineer information

See Ontario salary details

$72.5K

$114.8K

$160.5K

How much do senior test development engineer jobs pay per year?

As of Aug 8, 2026, the average yearly pay for senior test development engineer in Ontario is $114,799.00, according to ZipRecruiter salary data. Most workers in this role earn between $80,500.00 and $148,500.00 per year, depending on experience, location, and employer.
What cities in Ontario are hiring for Senior Test Development Engineer jobs? Cities in Ontario with the most Senior Test Development Engineer job openings:

Software Development Engineer in Test

Clockwork.io

CA$130K - CA$175K/yr

Full-time

Posted 8 days ago

Job description

Summary

We are looking for a Software Development Engineer in Test who thrives in fast-paced startup environments and is excited to be a co-owner and major contributor to our testing and CI/CD infrastructure. You will play a critical role in ensuring the quality, performance, and reliability of every release before it reaches our customers.

Our software runs on production GPU and CPU clusters across Ethernet, RDMA/RoCE, and InfiniBand networks. Testing here means standing up real multi-node clusters, running real workloads against them, and measuring what happens. This is a hands-on engineering role, not a manual QA position. You will be deeply embedded in our engineering team, responsible for building robust automation, maintaining pipelines, and contributing directly to the product during quieter times. A meaningful part of this role is DevOps work, not just test authoring.

Responsibilities
  • Design, build, and maintain integration, regression, and end-to-end tests for distributed systems running on Kubernetes, Slurm, and bare-metal GPU/CPU clusters
  • Extend our in-house end-to-end test automation framework and share ownership of the CI/CD testing infrastructure and pipeline
  • Build and run performance and scale benchmarks, and catch regressions before they ship
  • Automate cluster lifecycle and environment management across cloud and bare-metal environments
  • Ensure all code releases meet high quality standards before shipping to customers
  • Collaborate closely with engineers to identify gaps in test coverage and build tools or frameworks to fill them
  • Investigate and diagnose build failures, flaky tests, and regressions
  • Contribute to engineering efforts beyond QA when appropriate (feature development, tooling, etc.)
Qualifications
  • 3+ years of experience in a Test Engineering, DevOps, or QA role with a strong technical background
  • Strong Python; comfortable reading and debugging Go
  • Demonstrated expertise in building automated test scripts and frameworks from scratch
  • Proven experience with CI/CD tools such as GitHub Actions, Jenkins, or GitLab CI, and testing frameworks such as pytest and Playwright
  • Experience with public cloud infrastructure (GCP, AWS, or Azure)
  • Familiarity with release management and deployment processes, including versioning, release candidates, and rollout verification
  • Working knowledge of Linux, containerization, and orchestration (Docker, Kubernetes, Helm)
  • Strong debugging, problem-solving, and communication skills
  • A startup mindset, self-motivated, adaptable, and eager to take ownership
Nice to have
  • Experience with AI/ML infrastructure: GPUs, RDMA/RoCE or InfiniBand, NCCL, DCGM, PyTorch training jobs
  • Workload managers and schedulers (Slurm, Kubeflow/PyTorchJob)
  • Build systems at scale (Bazel), infrastructure-as-code (Terraform)
  • Chaos or fault-injection testing of distributed systems
Why Join Us
  • Be part of a foundational team shaping the future of infrastructure software
  • Work onsite in a collaborative environment in Palo Alto
  • Opportunity to grow into broader engineering roles

Enjoy

  • Challenging projects.
  • A friendly and inclusive workplace culture.
  • Competitive compensation.
  • A great benefits package.
  • Catered lunch.

Compensation for this position will vary based on the skills and experience you bring, as well as internal equity considerations. For candidates hired at the posted level, the expected base salary range is $130,000 - $175,000. The offered compensation package may also include stock options or other equity awards, subject to Clockwork's equity program and applicable approvals.
In addition to cash compensation, this role is eligible to participate in the company's equity program, which may include stock options granted in accordance with the company's equity plan and subject to approval and applicable vesting schedules.

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