Role Overview We are seeking a highly skilled Senior Software Development Engineer in Test (SDET) to support the development and deployment of next‑generation AI‑powered products. The role involves architecting, building, and maintaining production‑grade test infrastructure and automation frameworks to ensure the reliability and performance of our cloud platform. This includes writing maintainable test code, CI/CD pipelines, and validation systems that serve as critical engineering infrastructure.

Responsibilities 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

Qualifications 5+ years of experience in software development focused on quality engineering with a strong focus on cloud automation

Strong software engineering skills, including proficiency in at least one programming language (Python, C#, Java) and experience with object‑oriented design, clean code, version control (Git), and software architecture principles

Experience building production‑quality automation frameworks, testing libraries, or developer tools from scratch





Solid understanding of software architecture, APIs, SDKs, and system integration testing, with hands‑on experience designing and implementing APIs for test frameworks

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 (Grafana, DataDog, CloudWatch)

Experience with BDD and contract testing (Pact)

Familiarity with AWS services (S3, DynamoDB, OpenSearch)

Exposure to security testing, performance testing, and regression strategies

Knowledge of Docker containers

Compensation & Benefits Annual base salary: $125,000 – $175,000 (CDN).

Position type: New Position.

Benefits include generous time off, competitive compensation, volunteer opportunities, reward and recognition programs, employee committees & resource groups, healthcare and retirement benefits.

Equal Opportunity Statement 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.

All offers of employment at Magnet are contingent upon satisfactory completion of a background check in accordance with applicable laws. Magnet does not use artificial intelligence for screening, assessing, or selecting applicants.

📌 Software Tester (Junior (Toronto)
🏢 Magnet Forensics
📍 Toronto