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Senior Software Test Engineer Jobs in Waterloo, ON

As a Senior AI/ML Software Developer, you will enhance core functionality-such as flight scheduling ... Develop, maintain, and test production-grade software services and APIs that seamlessly integrate ...

We'relooking for a Senior FullStack AI Engineer who wants to shape how modern AIdriven software is built, deployed, and scaled.You'llwork at the frontier of cloud engineering and intelligent ...

Software Developer

Kitchener, ON ยท Hybrid

CA$80K - CA$110K/yr

Software Engineer, C# .NET / WPF Kitchener, ON, Canada - Hybrid Research & Development at Sonova ... Implement, test, integrate, and maintain Sonova desktop fitting platforms and applications

Senior C++ Software Engineer

Waterloo, ON ยท Remote

$120K - $150K/yr

We are looking for an experienced Senior C++ Software Engineer for our client. This is a permanent position that is remote . Our client is a B.C based tech company enjoying substantial growth. The ...

Senior C++ Software Engineer

Kitchener, ON ยท Remote

$120K - $150K/yr

We are looking for an experienced Senior C++ Software Engineer for our client. This is a permanent position that is remote . Our client is a B.C based tech company enjoying substantial growth. The ...

Senior C++ Software Engineer

Kitchener, ON ยท Remote

$120K - $150K/yr

We are looking for an experienced Senior C++ Software Engineer for our client. This is a permanent position that is remote . Our client is a B.C based tech company enjoying substantial growth. The ...

Senior C++ Software Engineer

Waterloo, ON ยท Remote

$120K - $150K/yr

We are looking for an experienced Senior C++ Software Engineer for our client. This is a permanent position that is remote . Our client is a B.C based tech company enjoying substantial growth. The ...

This position reports to our Senior Director of Platform Engineering and has the opportunity to be ... Develop well-tested features with appropriate test hooks resulting in low defect reports and faster ...

Showing results 41-60

Senior Software Test Engineer information

See Waterloo, ON salary details

$66.2K

$108.5K

$148.2K

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 Waterloo, ON is $108,463.00, according to ZipRecruiter salary data. Most workers in this role earn between $91,837.00 and $119,808.00 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 Waterloo, ON are hiring for Senior Software Test Engineer jobs? Cities near Waterloo, ON with the most Senior Software Test Engineer job openings:
Infographic showing various Senior Software Test Engineer job openings in Waterloo, ON as of August 2026, with employment types broken down into 1% Internship, 81% Full Time, 14% Part Time, 1% Temporary, and 3% Contract. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $108,463 per year, or $52.1 per hour.

Sr AI/ML Software Developer

Ag

Waterloo, ON โ€ข Hybrid

Full-time

Life, PTO

Re-posted 28 days ago


Job description

Job Description:

Skywise is a leading digital services company, wholly owned by Airbus. We deliver a first-of-its-kind offer that seamlessly integrates Planning & Operations Control, Flight, Technical, and Ground Operations. By providing interoperable digital solutions for end-to-end operations, Skywise combines aircraft manufacturer expertise and digital know-how to transform operational complexity into predictable and profitable performance, ensuring resilient and more sustainable operations.

Our software development teams are formed around a matrixed organization consisting of Release Trains & Chapters. Team members belong to a Chapter, in which skills, competencies, and standards are owned, solidified, and grown. They are also members of an Agile team where they utilize those skills and competencies to support the Train in the production and delivery of quality software.

You'll be part of a team pioneering AI-driven solutions for commercial aviation customers. As a Senior AI/ML Software Developer, you will enhance core functionality-such as flight scheduling, dispatch and crew management -by integrating, scaling, and deploying machine learning models into production environments.

Main responsibilities:

  • Design, deploy, and manage scalable solutions using Large Language Models (LLMs) and related Generative AI services, specifically integrating platforms like AWS Bedrock and comparable third-party tools into production services.

  • Independently own and drive the end-to-end Machine Learning lifecycle (MLOps), from model packaging and design documentation to scalable deployment and monitoring in production.

  • Develop, maintain, and test production-grade software services and APIs that seamlessly integrate with deployed AI/ML models in a cloud environment (AWS).

  • Establish MLOps best practices and mentor team members on model deployment, A/B testing, drift detection, and monitoring of production ML services.

  • Lead technical design and implementation of data pipelines (ETL/ELT) to ensure high-quality, reliable, and features-ready data for model training and inference.

  • Propose and lead initiatives to identify, prototype, and implement new AI/ML opportunities that align with our business goals in commercial aviation.

Experience and education:

  • At least seven (7+) years of professional software development experience using any modern backend stack (Python, Java, .NET/C#, Go, etc.), with demonstrated AWS cloud experience

  • Experience implementing and scaling ML models in production (MLOps), utilizing containerization technologies (Docker, Kubernetes) and serverless architectures.

  • Proven proficiency in Python and standard ML/scientific computing frameworks (e.g., PyTorch, TensorFlow, Scikit-learn).

  • Experience utilizing AWS ML services such as AWS SageMaker, AWS Bedrock, or comparable MLOps and Generative AI platforms from other cloud providers for model deployment and serving.

  • Experience leading a team of software developers.

  • Strong technical communication skills, ability to share concepts to various audiences.

  • Ideally, holding certification as an AWS Cloud Practitioner, AWS Certified Developer or AWS Certified Machine Learning Specialist or be willing to earn certification within the first year (supported and funded by Skywise ).

  • You have a College Diploma or Bachelor's Degree within the software engineering area of study or equivalent professional experience.

  • Proficiency in English

What we Offer:

Located in the heart of University of Waterloo's David Johnston Research + Technology Park, Skywise is close to shops, restaurants, gyms, daycare, and many other amenities, and only 10 minutes away from Hwy 85. As part of our family, you will enjoy:

  • Being part of Airbus Network

  • Flexible hours

  • Hybrid working environment (3 days in office)

  • Free parking

  • Vacation Days (15 - 25)

  • Professional Development Day

  • Christmas shut down

  • Summer core hours

  • Strong work-life balance

  • Casual dress code

  • Competitive group benefits plan

  • Strong focus on mental health support benefits

  • Sick and Personal days

  • RRSP matching program

  • Life Insurance

  • Access to Employee Share Scheme

  • Maternity & Paternity benefits

  • Referral program

  • Rewards and Recognition program

  • Training and Development Support

  • Monthly Lunch and Learns

  • Fitness & Wellness reimbursement

  • An active social committee

  • Organized Volunteer Events

  • Game room, including a flight simulator!

  • Active Inclusion & Diversity Committee

  • And much more

AI Disclosure: No artificial intelligence tools are used to screen, assess, or select candidates for this role

This job requires an awareness of any potential compliance risks and a commitment to act with integrity, as the foundation for the Company's success, reputation and sustainable growth.

Company:

NAVBLUE, Inc.

Contract Type:

Permanent

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Experience Level:

Professional

Job Family:

Digital

By submitting your CV or application you are consenting to Airbus using and storing information about you for monitoring purposes relating to your application or future employment. This information will only be used by Airbus.
Airbus is committed to achieving workforce diversity and creating an inclusive working environment. We welcome all applications irrespective of social and cultural background, age, gender, disability, sexual orientation or religious belief.

Airbus is, and always has been, committed to equal opportunities for all. As such, we will never ask for any type of monetary exchange in the frame of a recruitment process. Any impersonation of Airbus to do so should be reported toemsom@airbus.com.

At Airbus, we support you to work, connect and collaborate more easily and flexibly. Wherever possible, we foster flexible working arrangements to stimulate innovative thinking.