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Senior Software Test Engineer Jobs in Ontario (NOW HIRING)

Your role As a Senior Software Developer in Test (SDET) in the Contact Center QA team, you're both a skilled developer who builds elegant, scalable test frameworks and a quality advocate who leads a ...

Cority is looking for a Sr. Software Developer to be a part of our existing team. We are very ... Tests software and ensures that completed work correctly meets requirements. * Works in conjunction ...

Cority is looking for a Sr. Software Developer to be a part of our existing team. We are very ... Tests software and ensures that completed work correctly meets requirements. * Works in conjunction ...

Partner with QA on test planning, defect triage, and release readiness * Document technical designs, API specifications (OpenAPI/Swagger), and runbooks * Mentor junior developers and support ...

Partner with QA on test planning, defect triage, and release readiness * Document technical designs, API specifications (OpenAPI/Swagger), and runbooks * Mentor junior developers and support ...

As a Senior Software Developer in Tset within GQA, you will be responsible for ensuring the quality, reliability, scalability, and performance of software products through strategic test planning ...

Partner with QA on test planning, defect triage, and release readiness * Document technical designs, API specifications (OpenAPI/Swagger), and runbooks * Mentor junior developers and support ...

Software Engineer in Test (SET)

Chatsworth, ON ยท On-site

CA$140K - CA$165K/yr

Machina Labs is seeking a Software Engineer in Test (SET) to own quality, validation, and release execution across our software platform as we develop and deploy new features and services. This role ...

AI-assisted workflows are not optional-they are an expected part of how we design, implement, test, debug, document, and optimize software. As a senior engineer, you will also help elevate your team ...

Showing results 21-40

Senior Software Test Engineer information

See Ontario salary details

$71K

$116.3K

$159K

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

As of Aug 11, 2026, the average yearly pay for senior software test engineer in Ontario is $116,332.00, according to ZipRecruiter salary data. Most workers in this role earn between $98,500.00 and $128,500.00 per year, depending on experience, location, and employer.

Is senior software test engineer a good career?

A senior software test engineer is a valuable role in the software development process, focusing on quality assurance, test planning, and automation tools. It offers opportunities for career growth, specialization, and competitive salaries, especially with experience in scripting and testing frameworks. The role is in demand across various industries that rely on software reliability and quality standards.

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

A Senior Software Test Engineer needs deep expertise in software testing methodologies, automation frameworks, and programming languages like Java, Python, or C#, typically backed by a degree in computer science or related field. Familiarity with tools such as Selenium, JUnit, TestNG, and bug-tracking systems like Jira, as well as certifications like ISTQB, is highly valuable. Strong problem-solving abilities, attention to detail, and effective communication skills enable collaboration and leadership within QA and development teams. These competencies are crucial to ensuring software quality, minimizing defects, and delivering reliable products in complex technical environments.

What are the typical collaboration points between a senior software test engineer and other teams during a project lifecycle?

Senior Software Test Engineers frequently collaborate with developers, product managers, and DevOps engineers throughout the project lifecycle. Early in the process, they work closely with developers to understand requirements and clarify acceptance criteria. During development, they coordinate on bug tracking and test coverage, and participate in sprint planning or daily stand-ups. They also interact with DevOps to integrate automated tests within CI/CD pipelines, ensuring smooth deployment and feedback cycles. This cross-functional collaboration is essential for delivering high-quality software efficiently.

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

AspectSenior Software Test EngineerSoftware Test Engineer
CredentialsTypically requires 5+ years of experience, certifications like ISTQBEntry to mid-level, often with 1-3 years of experience, similar certifications
Work EnvironmentLeads testing projects, mentors junior staff, designs test strategiesPerforms test execution, reports bugs, follows test plans
Industry UsageUsed across software development companies, especially in larger teamsCommon in various tech companies, startups, and software firms

The main difference between a Senior Software Test Engineer and a Software Test Engineer lies in experience, responsibilities, and leadership. Senior roles involve strategic planning, mentorship, and complex testing, while Software Test Engineers focus on executing tests and reporting issues. Both roles are essential in ensuring software quality, with the senior position requiring more expertise and leadership skills.

What does a senior software test engineer do?

A Senior Software Test Engineer is responsible for designing, developing, and executing comprehensive test plans to ensure the quality and functionality of software products. They lead testing efforts, identify defects, and work closely with development teams to resolve issues. In addition, they may mentor junior testers, implement automation frameworks, and help define testing standards and best practices within the organization. Their goal is to ensure software reliability, performance, and user satisfaction before release.
What are the most commonly searched types of Software Test Engineer jobs in Ontario? The most popular types of Software Test Engineer jobs in Ontario are:
What cities in Ontario are hiring for Senior Software Test Engineer jobs? Cities in Ontario with the most Senior Software Test Engineer job openings:
Infographic showing various Senior Software Test Engineer job openings in Ontario as of August 2026, with employment types broken down into 1% Internship, 78% Full Time, 18% Part Time, and 3% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $116,332 per year, or $55.9 per hour.

Senior Software Development Engineer in Test

Episode Six US

Toronto, ON โ€ข On-site

Full-time

Posted 13 days ago


Job description

How do you want to pay? It's a question you've answered on-screen or in-person thousands of times, but your choices have always been limited. Imagine the flexibility to pay however you want - credit, debit, multiple currencies, frequent flyer miles, loyalty points, or digital payments - all on the same card or digital wallet. Sound impossible? Episode Six makes the seemingly impossible happen every day.ย 

We are a global provider of API-based payment processing and wallet management infrastructure. We're 100% cloud-native, hyper-configurable, and a "Top 10 Place to Work in Fintech." And we're changing how people think about payments.ย 

Today, we're powering payments for one of the world's largest banks and airlines and numerous innovative fintechs. E6 is headquartered in Austin with offices in Tokyo, Singapore, Brisbane, and London. We provide technology for clients in 24 countries on four continents. Since 2018 when we launched with HSBC, we have grown more than 10x.ย 

Interested in redefining what's possible in payments? Join Episode Six today.ย 

What we're hiring for:ย ย 

We are a growing fintech organization looking to add a Senior Software Development Engineer in Test!

What you'll be responsible for in this role:ย ย 

  • Leading testing effort in the payments, card issuing and revolving credit domain.ย 
  • Reviewing requirements, specifications, and technical design documents to provide timely and meaningful feedback.ย 
  • Creating detailed, comprehensive, and well-structured test plans and test cases in JUnit 5.
  • Preparing quality assurance policies and proceduresย 
  • Designing, developing, and executing automation code.ย 
  • Identifying, recording, documenting, and tracking bugs.ย 
  • Performing thorough regression testing when bugs are resolved.ย 
  • Developing and applying testing processes for new and existing products.ย 
  • Tracking quality assurance metrics and statistics.ย 
  • Staying up to date with new testing tools, diverse types of test strategies, and assuring ongoing compliance with quality and industry regulatory requirements.ย 
  • Communicating technical information, both written and verbal, effectively to other team members and customers of varying technical experience.ย 
  • Working collaboratively with other team members, teams and customers on projects, and other similar or related tasks.
  • This is not an exhaustive list, and your duties and responsibilities will also include any incidental and administrative duties as are reasonably required or reasonably desirable for the performance of the duties and responsibilities set out above.ย 

What experiences and skills are necessary to be successful in this role:ย ย 

  • Proficiency in the Java programming language and JUnit test framework.ย 
  • Proven domain knowledge and experience in testing within the payments and card industry. Proficiency in various testing methodologies, tools, and techniques specific to this domain.ย 
  • Familiarity with regulatory standards and industry-specific protocols.ย 
  • Ability and willingness to delve into unfamiliar domains, rapidly acquiring necessary expertise for effective testing.ย 
  • Previous experience in backend Java enterprise software system testing.ย 
  • Previous experience in automating API (REST) testing.ย 
  • Experience working with CI/CD pipeline using Jenkins or other CI/CD platforms.ย 
  • Proven record with large complex projects and SDLC processes.ย 
  • Experience working with RDBMS and NoSQL Databases such as MySQL and Cassandra. Ability to write, execute, and debug SQL queries to perform database testing and validation.ย 
  • Great problem solving and decision-making skills; strong attention for detail to ensure comprehensive test planning.ย 
  • Ability to read, write, listen, and speak English with at least business fluency.ย 

What makes a successful E6er?ย ย 

  • We appreciate the unique backgrounds, skill sets, experiences, and contributions each E6er brings. With a strong culture of respect for all, we foster an inclusive and supportive environment for every E6er to excel and grow.ย 
  • We take immense pride in everything we do, no matter how big or small. We work hard, we work smart, and we sweat the details. We are humble enough to know that we do not know it all. We are excited to come to work every day, knowing we will be learning, improving, innovating, and making an impact.ย 
  • A people first mentality. Professional development from day 1, a 360 focus on your wellbeing, and the ability to work where you need to, we're here to support you.ย ย 

E6 is proud to be an Equal Employment Opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex, sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, genetic information, political views or activity, or other applicable legally protected characteristics.ย 

E6 is committed to providing reasonable accommodation for qualified individuals with disabilities who may require additional assistance in engaging in our application and interview process. Please feel free to reach out to E6's Talent Acquisition Team at recruiting@episodesix.com if you need any assistance completing our application or need accommodation during your interview process.ย