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Senior Software Development Engineer In Test Jobs in Toronto, ON

Mercor

QA Engineer - Browser Test Specialist

Toronto, ON · Remote

CA$30 - CA$60/hr

Qualifications Must-Have * 3+ years of experience in Software Engineering , QA Engineering , SDET , or Test Automation . * Strong experience testing modern web applications. * Familiarity with ...

YuJa

Support Engineer in Test

Toronto, ON · Hybrid

Competence in manually testing software to evaluate functionality * 1-2 years of customer service ... development * Hands-on experience working with senior-level business leaders Schedule * 40 hours ...

YuJa Inc.

Support Engineer in Test

Toronto, ON · On-site

Competence in manually testing software to evaluate functionality * 1-2 years of customer service ... development * Hands-on experience working with senior-level business leaders Schedule * 40 hours ...

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$73K

$130.6K

$188.5K

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

As of Aug 17, 2026, the average yearly pay for senior software development engineer in test in Toronto, ON is $130,630.00, according to ZipRecruiter salary data. Most workers in this role earn between $105,931.00 and $154,125.00 per year, depending on experience, location, and employer.

What does a senior software development engineer in test do?

A Senior Software Development Engineer in Test (SDET) is responsible for designing, developing, and maintaining automated test frameworks and tools to ensure the quality and reliability of software products. They work closely with development and QA teams to identify test requirements, create robust test cases, and integrate automated tests into the CI/CD pipeline. In addition to coding and scripting, Senior SDETs mentor junior team members, analyze test results, and help troubleshoot complex issues to continuously improve software quality. Their expertise bridges the gap between development and testing, ensuring both speed and quality in software releases.

How does a senior software development engineer in test typically collaborate with development and product teams to ensure software quality?

As a Senior Software Development Engineer In Test (SDET), you will work closely with both development and product teams throughout the software development lifecycle. This includes participating in design and requirements discussions to identify potential test cases early, contributing to test automation strategies, and providing feedback on testability and quality risks. SDETs often pair with developers to review code, co-create test plans, and triage bugs together, ensuring that testing is fully integrated into the CI/CD pipeline. Effective communication and cross-team collaboration are essential for proactively identifying issues and maintaining high software quality standards.

What are the key skills and qualifications needed to thrive as a senior software development engineer in test, and why are they important?

To thrive as a Senior Software Development Engineer In Test, you need advanced programming skills, deep knowledge of software testing methodologies, and a bachelor's degree in computer science or a related field. Expertise with automation frameworks (such as Selenium, Cypress, or Appium), CI/CD tools, and scripting languages is typically required, along with relevant certifications like ISTQB. Strong analytical thinking, problem-solving, and effective communication are crucial soft skills for collaborating with cross-functional teams and driving quality initiatives. These capabilities ensure rigorous test coverage, faster release cycles, and high-quality software products.

What is the difference between Senior Software Development Engineer In Test vs Software Development Engineer In Test?

AspectSenior Software Development Engineer In TestSoftware Development Engineer In Test
ExperienceTypically 5+ years in testing and developmentEntry to mid-level, 1-3 years experience
ResponsibilitiesDesigns complex test frameworks, mentors juniors, leads testing initiativesDevelops test cases, automates tests, executes testing tasks
Skills & CertificationsAdvanced coding, automation, testing tools, leadership skillsProgramming, automation, testing tools
Work EnvironmentCollaborates with cross-functional teams, often in Agile settingsWorks closely with developers, focuses on automation and manual testing

In summary, a Senior Software Development Engineer In Test has more experience, leadership responsibilities, and strategic testing roles compared to a Software Development Engineer In Test, who primarily focuses on developing and executing tests.

What are the most commonly searched types of Software Development Engineer In Test jobs in Toronto, ON?

The most popular types of Software Development Engineer In Test jobs in Toronto, ON are:

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For Senior Software Development Engineer In Test jobs in Toronto, ON, the most frequently searched job titles are:

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The top searched job categories for Senior Software Development Engineer In Test jobs in Toronto, ON are:

What cities near Toronto, ON are hiring for Senior Software Development Engineer In Test jobs?

Cities near Toronto, ON with the most Senior Software Development Engineer In Test job openings:

Senior Software Development Engineer In Test jobs near you
Infographic showing various Senior Software Development Engineer In Test job openings in Toronto, ON as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 13% Part Time, and 2% Contract. Highlights an 88% Physical, 5% Hybrid, and 7% Remote job distribution, with an average salary of $130,630 per year, or $62.8 per hour.

QA Engineer - Browser Test Specialist

Mercor

Toronto, ON • Remote

CA$30 - CA$60/hr

Full-time

Posted 7 days ago

Job description

About the job

Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey.

Position: QA / Software Engineering Reviewer – Browser Test Validation
Type: Contract
Compensation: $30–$60/hour
Location: Remote

Role Responsibilities

  • Review browser-based testing workflows for AI-generated web applications.
  • Assess technical feasibility and reliability of browser interactions.
  • Validate test isolation, fixtures, setup, and execution flow.
  • Ensure assertions produce deterministic, unambiguous pass/fail results.
  • Identify flaky tests, hidden dependencies, or ambiguous validation logic.
  • Provide structured technical feedback following project review rubrics.

Qualifications

Must-Have

  • 3+ years of experience in Software Engineering, QA Engineering, SDET, or Test Automation.
  • Strong experience testing modern web applications.
  • Familiarity with browser automation frameworks such as Playwright, Cypress, Selenium, or similar tools.
  • Experience writing automated UI and end-to-end tests.
  • Strong understanding of test isolation, fixtures, reproducibility, and reliable browser automation.
  • Excellent debugging skills and attention to detail.

Application Process (Takes 20–30 mins to complete)

  • Upload resume
  • AI interview based on your resume
  • Submit form

Resources & Support

  • For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome
  • For any help or support, reach out to: support@mercor.com

PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.