Senior Software Development Engineer in Test

📋 Description Build and maintain test infra, release tooling, and performance tests as production-grade software. Design and own test automation frameworks; migrate Cypress to Playwright; handle infra provisioning & CI/CD testing. Define automation strategy for unit, integration, API, and end-to-end tests for fast, reliable coverage. Maintain release orchestration tooling for build promotion, deployment gating, and rollbacks across environments. Build observability into test frameworks to track flakiness, execution time, and failure patterns. Tackle hard infra problems and AI-assisted testing tooling with autonomy to pursue impactful work. 🎯 Requirements 5+ years as a software engineer building test infra, tooling, or release systems. Strong JavaScript/TypeScript skills; build backend services for test infra from scratch. Experience building or scaling CI/CD, release pipelines, or test infra at scale. Understand the testing pyramid; select automation per layer. Experience building observability into test frameworks and tracking flakiness. Hands-on with AI tools in quality workflows; know when to review AI output. Comfortable mentoring junior engineers and working independently. 🎁 Benefits Comprehensive health plans 401(k) program Commuter benefits Parental leave Flexible time off Online onboarding program