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Senior Software Development Engineer In Test information

See Ajax, ON salary details

$69.2K

$123.8K

$178.7K

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

As of Jul 7, 2026, the average yearly pay for senior software development engineer in test in Ajax, ON is $123,818.00, according to ZipRecruiter salary data. Most workers in this role earn between $100,407.00 and $146,088.00 per year, depending on experience, location, and employer.

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 engineers make $500,000?

Senior Software Development Engineers In Test (SDETs) with extensive experience, specialized skills in automation, and working at large tech companies or in high-cost-of-living regions can earn $500,000 or more annually. Compensation often includes base salary, bonuses, and stock options, especially for those in leadership roles or with rare expertise in testing automation, cloud platforms, or security tools.

Will QA or SDET get replaced by AI?

Senior Software Development Engineers in Test (SDETs) and QA professionals perform complex testing tasks that require critical thinking, creativity, and understanding of system architecture, which AI currently cannot fully replicate. While AI tools can automate repetitive testing and assist in identifying issues, human oversight and expertise remain essential for designing test strategies, interpreting results, and ensuring software quality in a fast-evolving environment.

What is the SDET engineer's salary?

The salary for a Senior Software Development Engineer in Test (SDET) typically ranges from $90,000 to $140,000 annually, depending on experience, location, and company size. SDETs with strong programming skills and experience with automation tools like Selenium or Jenkins tend to earn higher salaries.

Is SDET still in demand?

Senior Software Development Engineers in Test (SDETs) are in strong demand due to the increasing emphasis on quality assurance and automation in software development. SDETs with skills in programming, test automation tools, and CI/CD pipelines are particularly sought after across various industries, ensuring continuous testing and faster release cycles.

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 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 does a Senior Software Development Engineer in Test (SDET) 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.
What cities near Ajax, ON are hiring for Senior Software Development Engineer In Test jobs? Cities near Ajax, ON with the most Senior Software Development Engineer In Test job openings:
Senior Software Development Engineer In Test jobs near you

Senior Software Development Engineer in Test

Magnet Forensics

Toronto, ON • On-site

Full-time

Medical, Retirement

Re-posted 13 days ago

Job description

Who We Are; What We Do; Where We're Going
 
Magnet Forensics is a global leader in the development of digital investigative software that acquires, analyzes, and shares evidence from computers, smartphones, tablets, and IoT-related devices. We are continually innovating so our customers can deploy advanced and effective tools to protect their companies, communities, and countries.
 
Serving thousands of customers globally, our solutions are playing a crucial role in modernizing digital investigations, helping investigators fight crime, protect assets, and guard national security.
 
With employees based around the world, Magnet Forensics has been expanding our global presence. As a part of Magnet Forensics, you can expect to make a difference in the world, no matter what role you play. You'll be supported through learning and development, not to mention an incredible team with unbelievable talent and integrity.
 
If you think you would be the right person to join our team working towards this goal, we would love to hear from you! 

Role Overview 

We are seeking a highly skilled and experienced Senior Software Development Engineer in Test (SDET) to join our engineering team, supporting the development and deployment of our next-generation AI-powered products. In this role, you will architect, build, and maintain production-grade test infrastructure and automation frameworks to ensure the reliability and performance of our cloud platform. You will write high-quality, maintainable code for testing tools, CI/CD pipelines, and validation systems that serve as critical engineering infrastructure. You will work closely with developers, product managers, and other SDETs to design and implement robust cloud test strategies, automation frameworks, and validation tools.

The successful candidate will flourish making meaningful contributions and elegant solutions, be determined, and manage major turning points independently in a fast-paced environment. You'll approach test automation as a software engineering discipline, applying the same rigor to test code that you would to production code, treating test infrastructure as a product that serves internal customers (developers) with the same care as customer-facing features.

What You'll Do

  • Architect and build reusable test frameworks and libraries that serve as shared infrastructure across teams;

  • Design and implement testing SDKs and tools that enable other engineers to write better tests faster;

  • Contribute to the product codebase by improving testability, instrumentation, and observability;

  • Conduct code reviews for test automation pull requests, ensuring best practices and maintainability;

  • Apply software engineering principles (design patterns, SOLID) to test automation architecture;

  • Define and maintain an automation roadmap aligned with team goals and product evolution;

  • Act as a subject matter expert in test strategy and tooling within your domain;

  • Mentor and coach other SDETs or SWEs on Quality Engineering best practices;

  • Engineer end-to-end CI/CD pipelines including build orchestration, deployment automation, and infrastructure-as-code for test environments;

  • Validate deployments across multiple cloud environments;

  • Work closely with development to improve the quality of the product.

What We're Looking For

  • 5+ years of experience in Software Development in the Quality Engineering field with a strong focus on cloud automation;

  • Strong software engineering skills with demonstrated proficiency in at least one programming language (e.g., Python, C#, Java), including:

    • Object-oriented design and design patterns

    • Writing clean, maintainable, well-documented code

    • Version control (Git) and code review practices

    • Software architecture and system design principles

  • Experience with or strong interest in AI-powered development workflows;

  • Experience building production-quality automation frameworks, testing libraries, or developer tools from scratch;

  • Strong understanding of software architecture, APIs, SDKs, and system integration testing with hands-on experience designing and implementing APIs for test frameworks or validation tools;

  • Familiarity with CI/CD pipelines and cloud-based testing environments;

  • Excellent problem-solving skills and attention to detail;

  • Strong communication and collaboration skills.

Nice to Have Skills

  • Familiarity with testing LLM-powered applications and agentic systems;

  • Experience with infrastructure-as-code (CDK, Terraform, CloudFormation);

  • Familiarity with software design patterns and refactoring techniques;

  • Background in distributed systems or cloud architecture;

  • Knowledge of observability patterns (structured logging, distributed tracing, metrics instrumentation);

  • Familiarity with monitoring and alerting tools (e.g., Grafana, DataDog, CloudWatch);

  • Experience with BDD, contract testing (Pact);

  • Familiarity with AWS: S3, DynamoDB, OpenSearch;

  • Exposure to security testing, performance testing, and regression strategies;

  • Knowledge of Docker containers.

Compensation & Benefits 
The Compensation range is for the primary location for which the job is posted. Please note that the actual compensation may vary depending on location and job-related factors such as qualifications, experience, knowledge and skills. If you are applying for this role outside of the primary location and you are selected for an interview, the Talent Acquisition Partner can share more information with you.  If the compensation structure for the role includes an incentive component (i.e. most Sales roles) the range below represents total target compensation (TTC) (base salary + variable).
 
$125,000 - $175,000 (CDN) a year
 
Position Type: New Position
 
 
 

Magnet is proud to offer benefits such as: 
 
- Generous time off policies 
- Competitive compensation 
- Volunteer opportunities  
- Reward and recognition programs   
- Employee committees & resource groups  
- Healthcare and retirement benefits 
 
Indicators of Success
 
We're looking for someone who checks off most, but not all, of the boxes listed in "skills and experiences".  It's more important to us to find candidates who can display indicators of success through skills they have developed and experiences they have been a part of, than to find folks who have "been there, done that".  We want to be part of your development journey, and we'll learn as much from you as you learn from us. 
 
How We Work
 
At Magnet Forensics, we take a hybrid-flexible approach to support your productivity and work-life balance. If you're within a comfortable travel distance to one of our offices, you'll occasionally join us in person. How often you'll come in depends on your department and team needs, typically ranging from weekly to monthly. These in-person moments help us build stronger connections, spark new ideas, and celebrate our successes together. Most days, you can choose what works best for you, while staying in tune with your team's goals.
 
We're excited to welcome you to our team and look forward to achieving great things together - both in the office and wherever you work best!
 
The Most Important Thing
 
We're looking for candidates that can provide examples of how they have demonstrated Magnet CODE in their previous experiences:
 
CARE - We care about each other and our mission to make a difference in the world.
OWN - We are accountable for our results - while never forgetting to act with integrity, empathy, and respect.
DEDICATE - We put our heart and soul into meeting the needs of our customers and helping them serve the people they protect.
EVOLVE - We are constantly innovating and exploring new ways to work together to make an impact with our work.
 
Here at Magnet Forensics, we are committed to continuous learning and are focused on building a diverse and inclusive workforce. This commitment will be reflected in our hiring processes and embedded in our values and how we treat one another. If you're interested in this role, but do not meet all of the qualifications listed above, we encourage you to apply anyways.
 
Magnet Forensics is an Equal Opportunity Employer and considers applicants for employment without regard to race, colour, religion, sex, orientation, national origin, age, disability, genetics or any other basis forbidden under federal, provincial, or local law. We are committed to providing an inclusive, accessible recruitment process and work environment. Accommodation is available to all applicants upon request throughout the hiring process. Please contact [email protected] should you require any accommodations.
 
All offers of employment at Magnet are contingent upon satisfactory completion of a background check. All background checks will be conducted in accordance with all applicable laws. Magnet will consider each position's job duties, among other factors, in determining what constitutes satisfactory completion of the background check. Refusal to consent to a background check may be grounds for revoking an offer of employment.
 
US Applicants: Magnet Forensics participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S.
 
Magnet Forensics handles and uses personal data of job applicants in line with its Recruitment Privacy Policy found here. 
Magnet does not use artificial intelligence (defined as a machine-based system that infers from input to generate outputs such as predictions, content, recommendations, or decisions) for screening, assessing, or selecting applicants. Should this practice change, we will update this disclosure accordingly.
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