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Senior Software Test Engineer Jobs in Markham, ON

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 ...

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 ...

Software Analyst (SWAT), Senior

Toronto, ON · On-site

CA$91K - CA$117K/yr

The candidate will work with other software developers and systems engineers to create, execute and evaluate in house software tests and test plans. As senior member of the team, the role will ...

Senior Software Engineer $50 - $100/hourpay Required Skills Python3 JAVA Rust Algorithms Basics C ... As an expert you will be creating Reinforcement Learning Environments which test an AI model ...

Senior Software Engineer $50 - $100/hourpay Required Skills Python3 JAVA Rust Algorithms Basics C ... As an expert you will be creating Reinforcement Learning Environments which test an AI model ...

Senior Software Engineer $50 - $100/hourpay Required Skills Python3 JAVA Rust Algorithms Basics C ... As an expert you will be creating Reinforcement Learning Environments which test an AI model ...

Senior Software Engineer $50 - $100/hourpay Required Skills Python3 JAVA Rust Algorithms Basics C ... As an expert you will be creating Reinforcement Learning Environments which test an AI model ...

Senior Software Engineer $50 - $100/hourpay Required Skills Python3 JAVA Rust Algorithms Basics C ... As an expert you will be creating Reinforcement Learning Environments which test an AI model ...

Write and maintain test software using appropriate programming languages and tools. * Ownership and accountability for quality and reliability of the test process. * Work closely with product ...

Write and maintain test software using appropriate programming languages and tools. * Ownership and accountability for quality and reliability of the test process. * Work closely with product ...

As a Senior Software Engineer at Prophix, you'll play a central role in shaping the product that ... Ensure application quality by writing and maintaining automated tests across unit, integration, and ...

... Senior Software Developer to join a Data Services team focused on delivering core record- and ... Design, implement, test, and operate backend services that support record management and data ...

As a Senior Software Engineer, you'll lead technically significant initiatives across the stack ... Tools like Cursor, Claude Code, and agentic workflows are core to how we build, test, and iterate.

The Senior Software Engineer (ABM Domain) reports to the Senior Manager, Engineering. In this role ... Design, develop, unit test, debug, document, and implement applications and automation scripts.

Showing results 21-40

Senior Software Test Engineer information

See Markham, ON salary details

$67.3K

$110.2K

$150.6K

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 Markham, ON is $110,212.00, according to ZipRecruiter salary data. Most workers in this role earn between $93,318.00 and $121,740.00 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 cities near Markham, ON are hiring for Senior Software Test Engineer jobs? Cities near Markham, ON with the most Senior Software Test Engineer job openings:
Infographic showing various Senior Software Test Engineer job openings in Markham, ON as of August 2026, with employment types broken down into 1% Internship, 87% Full Time, 8% Part Time, and 4% Contract. Highlights an 85% Physical, 6% Hybrid, and 9% Remote job distribution, with an average salary of $110,212 per year, or $53 per hour.

Senior Software Engineer (Golang, React)

Applied Systems, Inc.

Toronto, ON • Remote

Full-time

Medical, Dental, Vision, PTO

Re-posted 19 days ago


Applied Systems rating

7.9

Company rating: 7.9 out of 10

Based on 7 frontline employees who took The Breakroom Quiz

181st of 304 rated insurance


Job description

Job Description

Amazing Career Moments Happen Here 

The best work happens when smart people move fast, together. At Applied, we've spent 40+ years building technology that solves real problems for insurance professionals, and we're not slowing down. We're pushing what's possible in Insurtech and doing it inside a culture built on trust, inclusion, and growth. 

The Role at a Glance 

Role: Senior Software Engineer (Golang, React)

Team: Employee Benefits 

Location: Remote

 

Opportunity for Impact 

 

We're looking for a Software Enginee/ Senior Software Engineer (Golang, React) to join our Employee Benefits team and make a real difference for the people who depend on our products every day. You will be developing and maintaining robust web applications and micro services using React and Golang.

As a Software Engineer/Senior Software Engineer, you will collaborate with Architects, Product Owners, and members of a Scrum team to deliver high quality technical solutions. Here, you'll have a voice in how the work gets done, room to try things differently, and the trust to move it forward. 

What You'll Do:

  • Support the team with delivery by sharing comprehensive feedback during code reviews and guidance with complex technical problem solving
  • Contribute to technical decisions by identifying opportunities and risks
  • Share knowledge of software development languages and frameworks as well as  testing strategies 
  • Support with continuous improvement of internal processes and documentation to champion a principles-based approaches to design, implementation, and testing 
  • Collaborate with other teams to identify and develop integration solutions 
  • Champion engineering best practices in the areas of writing code,  unit testing, E2E  testing, performance  testing , CI/CD, observability, and documentation while using available AI tools
  • Identify, diagnose, and resolve performance bottlenecks, reliability issues, and security vulnerabilities
  • Collaborate with product managers and designers to translate business requirements into well-scoped, technically sound solutions
  • Mentor junior and mid-level engineers through pairing, code reviews, and knowledge-sharing sessions

We're Excited to Learn More About You - Software Engineer

If this role sounds like the right next move, we'd love to hear from you. You might bring: 

  • 3+ years of web development experience creating enterprise software using React  
  •  5 + years of professional experience building web applications and web services  
  •  Experience with Golang, C#, TypeScript/JavaScript, Node JS, Kubernetes, PostgreSQL/SQL Server, GCP and Visual Studio Code 
  •  Experience in implementing and consuming GRPC and RESTful services 
  •  Knowledge of Agile frameworks, ideally Scrum, and tools like Jira and Confluence  
  •  Understanding of testing best practices  
  •  Understanding of DevOps and CI/CD with knowledge of Kubernetes 
  •  Knowledge of Cypress and RestSharp to develop and maintain Automated End to End Testing 
  •  Ability to communicate in a team-oriented environment to clarify requirements and deliver solutions within committed timelines  
  •  Ability to provide feedback on coding standards through code reviews  
  •  Proven technical abilities, troubleshooting skills, and research abilities  
  •  Knowledge of using GIT for commits, code reviews, merge conflicts and release tags 
  • Comfortable leveraging AI-assisted development tools (e.g., Claude Code) to accelerate delivery - extensive usage of these tools is expected and encouraged
  • Bachelor's Degree in Computer Science, MIS, or CIS, or equivalent work experience
    • We proudly support and encourage people with military experience, as well as military spouses, to appl

 For the Senior Software Engineer,  you may also have: 

 

  • 8+ years of experience in software engineering, including experience providing guidance and support to members of the team  
  • Demonstrated experience working across software development languages and frameworks, such as C#, .NET, OR Golang, React, as well as JavaScript or TypeScript
  • Passion for continuously expanding knowledge of programming and web development while driving toward principles-based approaches for design, implementation and testing 
  • Advanced knowledge of experience with modern test strategies and quality gating policies within CI/CT/CD pipelines
  • High proficiency with UI and API Testing, with frameworks such as RestSharp and Cypress 
  • Advanced communication skills, with the ability to distill complex concepts to support others with complex problem solving 
  • Demonstrated ability to advance discussions, debates, and reviews on coding and design elements while contributing to positive and constructive communication across the team  
  • Track record of breaking down ambiguous problems, making pragmatic tradeoffs, and delivering high-quality software on schedule
  • Experience writing unit, integration, and end-to-end tests as a first-class part of the development process
  • Prior experience in an Agile/Scrum environment with a track record of consistent sprint delivery

 Talent shows up in a lot of different ways, and we mean that. We welcome candidates from all backgrounds and experience levels, including military members and their spouses and those without a traditional degree or tech background. If this role speaks to you, apply. 

Why You'll Like Working Here 

Our people-first culture means you're seen, supported, and set up to grow. We work across flexible models because we trust our teams to deliver, not just show up. You'll collaborate with people who care about the work and each other, and you'll have leaders who are invested in where you're headed.  

How We'll Support You 

We invest in the whole person, not just the role. Our benefits and resources are built to support your health, your time, and your life outside of work: 

  • Medical, Dental, and Vision Coverage 
  • Holiday and Vacation Time 
  • Health & Wellness Days 
  • A Bonus Day for Your Birthday 

Compensation Transparency 

Our targeted starting base salary in the United States for this position ranges from USD 70K - USD 120K for the Software Engineer and USD 125K - USD 150K for the Senior Software Engineer. To determine a new team member's starting pay, we consider a variety of factors, including someone's depth, breadth, and variety of experience, skills, and responsibilities. Depending on the role, team members may also be eligible to participate in additional compensation plans such as bonus and commission. 

Your Security Matters: Our candidates' personal information and online safety are top of mind for us. At Applied, we proactively protect your personal information and only communicate with candidates via a secure @appliedsystems.com email or through our official careers portal. Recruiters will never request payments, ask for financial account information or sensitive information like social security numbers. 

EEO Statement 

Applied Systems is proud to be an Equal Employment Opportunity Employer. Diversity and Inclusion is a business imperative and is a part of building our brand and reputation. At Applied, we don't discriminate, and we are committed to recruit, develop, retain, and promote regardless of race, religion, color, national origin, sexual orientation, gender identity, disability, age, veteran status, and other protected status as required by applicable law. 

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Employment Type: OTHER

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