Senior QA Engineer
Circadia Health3 months ago
El Segundo, CA, USASenior
Base Salary
$110k - $155k/yr
Responsibilities
- Author test plans for features, releases, and customer deployments, including scope, risk prioritization, entry and exit criteria, environments, and test data requirements.
- Design exhaustive test suites covering boundary conditions, failure modes, degraded networks, malformed HL7 v2 and FHIR payloads, timezone and identity edge cases, EHR integrations, and alert delivery.
- Produce compliance-grade test reports, verification and validation documentation, requirements-to-test traceability matrices, defect trending, and evidence packages.
- Build and maintain automated regression, API, and UI test suites in Python against FastAPI services and React applications.
- Create tooling for test-data generation, environment setup, and synthetic device telemetry.
- Own release-readiness signals, regression-suite reliability, flaky-test triage, and release-candidate verdicts.
- Champion testability and quality practices across the engineering organization.
Requirements
- At least 5 years of experience in software QA, SDET, or test engineering, including ownership of quality for a significant production system.
- Experience authoring formal test plans and systematic test cases using boundary analysis, equivalence partitioning, risk-based testing, and negative testing.
- Experience producing detailed test reports and verification and validation documentation in medical-device, healthcare, or other highly regulated environments.
- Strong Python scripting and hands-on automation experience with PyTest or similar frameworks, including API testing and UI automation with Playwright, Selenium, or equivalent.
- Experience testing integrations with third-party systems that are not under the team's control.
- Strong SQL skills and ability to validate data across relational databases and data warehouses.
- Experience integrating automated tests into CI/CD pipelines.
- Preferred experience includes SaMD verification, IEC 62304 documentation, 510(k) or CE submissions, HL7 v2, FHIR, ADT feeds, EHR systems, HIPAA or SOC 2 environments, PHI handling, and performance, load, or telemetry-ingestion testing at IoT scale.
About Circadia Health
Circadia Health builds an FDA-cleared contactless patient monitoring system and software for hospitals, post-acute, and telehealth providers to flag clinical deterioration early. Its wall-mounted sensor tracks respiratory rate from up to 8 feet without wearables, with AI risk alerts reviewed by a virtual nursing team around the clock. Founded in 2016 and based in Los Angeles, it is privately held and sells devices and remote monitoring services to healthcare organizations.