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Senior Software Tester Jobs in Ontario (NOW HIRING)

The Senior Software QA Tester is responsible for leading test strategy, execution, and quality outcomes for Alimentiv's regulated medical imaging software and hardware products, bringing deep ...

QNX Senior Software Test Specialist

Ottawa, ON · On-site

CA$96K - CA$135K/yr

We are looking for a Senior Software Test Specialist who is passionate about quality, detail ... You'll work alongside experienced engineers testing cutting-edge technologies including safety ...

Software Analyst (SWAT), Senior

Toronto, ON · On-site

CA$91K - CA$117K/yr

The Senior Software Analyst in Testing is responsible for ensuring the quality of software delivery for large scale rail signalling projects. The candidate will work with other software developers ...

Cority is looking for a Sr. Software Developer to be a part of our existing team. We are very ... Frontend testing automation using Selenium * Scripting with batch/powershell/python * Knowledge of ...

Cority is looking for a Sr. Software Developer to be a part of our existing team. We are very ... Frontend testing automation using Selenium * Scripting with batch/powershell/python * Knowledge of ...

Senior Software Developer

Mississauga, ON · On-site

CA$120K - CA$160K/yr

General Accountability The Senior Software Developer is responsible for designing and delivering ... Execute testing: Plan and execute software testing activities, supporting integration and system ...

Advance your career with Supernova Technology as a Senior Software Engineer, responsible for ... testing frameworks and containerization • Effective analytical and communicative skills Drive ...

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Showing results 1-20

Senior Software Tester information

What is a senior software tester?

Senior Software Testers are experienced professionals responsible for designing, implementing, and executing tests to ensure the quality and functionality of software applications. They lead testing efforts, mentor junior testers, and collaborate closely with developers to identify and resolve issues. Senior Software Testers also help define testing strategies, develop automated test scripts, and contribute to continuous improvement in software development processes. Their expertise helps ensure that released software meets both technical requirements and user expectations.

What are the key skills and qualifications needed to thrive as a senior software tester?

To thrive as a Senior Software Tester, you need expertise in software testing methodologies, test case design, and defect management, typically supported by a degree in computer science or a related field and several years of experience. Familiarity with automation tools (such as Selenium or JUnit), bug tracking systems, and relevant certifications like ISTQB is highly valued. Attention to detail, critical thinking, and strong communication skills set top performers apart in this role. These competencies ensure that software products are reliable, high-quality, and meet user requirements before release.

What are some common challenges senior software testers face when working on large-scale projects?

Senior Software Testers often encounter challenges such as managing complex test environments, coordinating with cross-functional teams, and ensuring thorough test coverage across multiple modules. Balancing tight project deadlines while maintaining high-quality standards can also be demanding. Additionally, adapting testing strategies to accommodate evolving requirements and integrating automated testing tools effectively are frequent hurdles in large-scale projects.

What is the difference between Senior Software Tester vs Software Tester?

AspectSenior Software TesterSoftware Tester
CredentialsTypically requires 3+ years experience, certifications like ISTQBEntry-level or 1-2 years experience, may have ISTQB or similar
Work EnvironmentLeads testing projects, mentors junior testersPerforms testing tasks under supervision
ResponsibilitiesDesigns test plans, reviews testing processesExecutes test cases, reports bugs

The main difference between a Senior Software Tester and a Software Tester lies in experience, responsibilities, and leadership. Senior testers often lead testing efforts and mentor others, while software testers focus on executing tests. Both roles are essential in software quality assurance and share similar credentials, but the senior role involves more strategic oversight.

What are the most commonly searched types of Software Tester jobs in Ontario?

The most popular types of Software Tester jobs in Ontario are:

What cities in Ontario are hiring for Senior Software Tester jobs?

Cities in Ontario with the most Senior Software Tester job openings:

What are popular job titles related to Senior Software Tester jobs in ON?

For Senior Software Tester jobs in ON, the most frequently searched job titles are:

Infographic showing various Senior Software Tester job openings in Ontario as of August 2026, with employment types broken down into 85% Full Time, 11% Part Time, and 4% Contract. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution.

QNX Senior Software Test Specialist

Ottawa, ON • On-site

CA$96K - CA$135K/yr

Full-time

Medical, Dental, Vision, Life, Retirement

Re-posted 2 days ago


Job description

Worker Sub-Type:

Regular

Job Description:

QNX enhances the human experience and amplifies technology-driven industries, providing a trusted foundation for software-defined businesses to thrive. The business leads the way in delivering safe and secure operating systems, hypervisors, middleware, solutions, and development tools, along with support and services delivered by trusted embedded software experts. With a focus on reducing hardware dependency and increasing efficiency, QNX empowers organizations to unlock new possibilities in areas like high-performance computing at the edge, standards-based virtualization technologies, and cloud enablement. QNX technology has been deployed in the world's most critical embedded systems, including more than 275 million vehicles on the road today. QNX software is trusted across industries including automotive, medical devices, industrial controls, robotics, commercial vehicles, rail, and aerospace and defense.

Are you the person we are looking for?

We are looking for a Senior Software Test Specialist who is passionate about quality, detail-oriented by nature, and excited by the challenge of validating software that must perform flawlessly in safety-critical environments. As part of our Functional Safety Test Team, you will play a key role in helping certify software components to ISO 26262 Functional Safety standards. You'll work alongside experienced engineers testing cutting-edge technologies including safety-certified real-time operating systems, board support packages (BSPs), device drivers, networking stacks, and hypervisors.

If you enjoy solving complex problems, working hands-on with hardware, developing automated tests, and contributing to products used in life-critical systems around the world, we'd love to hear from you.

What You'll Do

  • Validate and verify safety-certified real-time embedded software through both manual and automated testing
  • Design, develop, execute, and maintain comprehensive test plans, test cases, and test reports aligned with ISO 26262 and related standards
  • Configure, integrate, and test software deliverables on a variety of hardware platforms
  • Develop and maintain automated test frameworks and test suites using C, C++, and Python
  • Investigate test failures, analyze results, and collaborate with developers to identify and resolve issues
  • Create clear, detailed defect reports and verify fixes through regression testing
  • Partner closely with development and test teams to ensure the highest levels of product quality and compliance
  • Contribute to the continuous improvement of testing methodologies, processes, and automation capabilities

What You Bring

  • Experience testing software within ISO 26262 Functional Safety environments or other safety-critical standards
  • Proven experience creating and executing test plans, test cases, and test reports
  • Experience developing automated tests using C, C++ and Python in Linux environments
  • Familiarity with Continuous Integration tools such as Jenkins
  • Experience using source control systems such as Git or SVN
  • Strong understanding of software testing methodologies, quality practices, and standards-based development
  • Excellent debugging and analytical problem-solving skills
  • Ability to manage multiple priorities while maintaining exceptional attention to detail
  • Experience writing clear, concise, and actionable defect reports
  • Familiarity with processor architectures such as Intel and ARM
  • Strong communication and collaboration skills with a team-first mindset
  • A genuine passion for quality, technology, and continuous learning
  • Bachelor's degree in Computer Science, Engineering, or a related discipline

If you have any of these then that would be great

  • Knowledge of ISO 29119 Software Testing Standards
  • Familiarity with ISO 21434 Automotive Cybersecurity
  • Experience with QNX OS
  • Experience working on safety-critical embedded systems or regulated industries

Accelerate your career with QNX!

#LI-KH1

Scheduled Weekly Hours:

40

Compensation Hiring Base Salary Range:

$96,000.00 - $135,000.00

Please be advised that the compensation hiring range indicated herein is provided solely as a good-faith estimate of expected base compensation for the position. The actual compensation offered will be determined at the time of hire and is contingent upon multiple factors, including but not limited to the candidate's qualifications, relevant experience, demonstrated skills, and results of assessments conducted during the hiring process.

Bonus:

The BlackBerry Variable Incentive Pay (VIP) program is an organization-wide bonus incentive program which aims to reward full-time eligible employees for their contribution to BlackBerry's success. VIP payments are made in addition to base salary and factor in company's performance as a way for employees to share in BlackBerry's achievements.

Benefits:

The BlackBerry Employee Benefits programs offer a wide range of benefits that support your physical, financial and personal well-being. BlackBerry remains committed to offering affordable benefits including coverage for medical, dental, vision, life, disability insurance, retirement, employee share purchase program and paid-time-off to those that meet the eligibility requirements.

Disclosure of Position Status:

This is an active opening. We are seeking to fill this position immediately

Disclosure of Artificial Intelligence:

We donot use artificial intelligence (AI)to screen, assess, or select applicants at any stage of our recruitment process. All applications are reviewed and evaluated by our hiring team.