QA automation analyst testing PayFacto’s merchant onboarding web application and APIs. Automating Playwright tests and validating acquiring settlement and reconciliation flows.
About the role
- Senior QA Test Engineer building automated tests and simulators for Litmus’s industrial AI platform. Covering industrial protocols, REST APIs, CI pipelines, upgrades, and production reliability.
Responsibilities
- Build and own automated test coverage for southbound connectors using OPC-UA, Modbus, EtherNet/IP, PROFINET, and DNP3
- Write end-to-end tests that drive Litmus Edge through its REST API
- Maintain tests in GitLab pipelines for every internal build
- Build protocol and device simulators to avoid dependence on physical hardware
- Separate development tests from regression tests
- Run regression suites on LTS builds and on an agreed cadence
- Test upgrades, backward compatibility, load behavior, and long soak runs
- Triage pipeline failures and distinguish product bugs from infrastructure noise
- Maintain test cases and results in Jira and Xray
- Review ticket acceptance criteria at the start of development
- Work closely with industrial developers and engineering teams in the United States and Canada
Requirements
- 5+ years in software test automation
- At least 3 years writing test code in Go, Python, or a similar language
- Hands-on REST API test automation, including changing system state through API calls
- Working knowledge of at least two industrial or IIoT protocols, such as OPC-UA, Modbus, EtherNet/IP, PROFINET, DNP3, or MQTT
- Comfortable with Linux, Docker, and CI pipelines, preferably GitLab
- Experience reading pipeline logs to determine failure causes
- Experience building device or protocol simulators or hardware-in-the-loop test setups is nice to have
- C++ or Golang development experience is nice to have
- Playwright or similar modern UI automation is nice to have
- Jira and Xray experience is nice to have
- High-level understanding of PLCs is nice to have
- Performance, load, or soak testing experience is nice to have
- Must answer the visa sponsorship question; the posting states that Litmus does not offer visa sponsorship at this time
Benefits
- Hybrid work option in Santa Clara or Toronto
- Remote work option in the United States or Canada
- Work on industrial AI infrastructure and real-world production systems
- Ownership, visibility, and ability to shape the product and company
- Collaborative, curious, low-ego culture
- Work alongside experienced operators, engineers, and leaders
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Degree requirement
No Education Requirement
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