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Senior QA Engineer

Tessera Labs - Remote - Remote - posted 2026-09-01

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Tessera Labs is hiring a Senior QA Engineer to own testing strategy and automation across the full software development lifecycle. This is a strategic, hands-on role focused on building robust test coverage and shifting quality left—not manual click-testing. You will own the end-to-end test strategy, design and write test cases, and automate them using established open-source tools (Playwright, Cypress, pytest, k6, Locust, etc.). You'll integrate automated tests into CI/CD pipelines so they run on every meaningful code change, ensuring quality is baked in from the start rather than caught at the end. Key responsibilities include: - Defining and executing comprehensive test strategy across integration, system, regression, and performance testing - Writing clear, maintainable test cases and test plans that evolve with the product - Partnering with developers to define acceptance criteria and make quality a shared responsibility - Triaging test failures, driving root-cause analysis on escaped defects, and implementing durable fixes - Reporting quality metrics (coverage, flake rate, escaped defects) in actionable ways Required qualifications: - Strong test automation background with proven ability to design and implement test strategies - Deep understanding of SDLC and testing's role at each stage - Hands-on experience across multiple testing types (integration, system, regression, stress/performance) - Experience integrating automated tests into CI/CD pipelines - Strong Python and JavaScript/TypeScript skills - Familiarity with open-source testing frameworks - Excellent communication skills and ability to partner effectively with developers Nice-to-have experience includes testing cloud or containerized (Kubernetes) workloads, SOC 2 compliance support, enterprise/regulated environments, and early-stage startup experience. In the first 90 days, you'll assess current test coverage, identify high-leverage gaps, get automated tests running in the pipeline, and establish a lightweight process for failure triage and defect prevention.

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