Top QA Engineer Jobs in San Francisco Bay Area, CA

Build and scale Tatari’s Playwright E2E automation framework, write TypeScript/Jest and Python/pytest tests, integrate testing into CI/CD, validate APIs and SQL data integrity, improve release gates, conduct exploratory testing, review automation, establish QA strategy, assess release risks, mentor engineers, and promote testing best practices.

Volunteer QA/BA engineer will write and review requirements, create and execute test plans (manual and automated), develop automation scripts, track and report defects and QA metrics, perform regression, liaise with developers/product, and support testing processes for a healthcare appointment platform.

Design, develop, and execute automated tests, perform API and performance testing, identify and document defects, collaborate with cross-functional teams to ensure product quality and resolve issues.

Own quality for web and SaaS product areas through test planning, functional and exploratory testing, user acceptance testing, automated regression coverage, API validation, bug investigation, and fix verification. Partner with product, engineering, and Solutions Engineers to assess release readiness, reproduce customer issues, communicate quality risks, and improve testing processes in a fast-moving startup environment.

Work as an embedded QA automation engineer to design, build, and maintain end-to-end and API test suites, integrate tests into CI/CD, run performance/load tests against a NestJS monolith, manage test data, and validate AI agent behavior and integrations across OMS/WMS/catalog workflows.

Design, develop, and execute manual and automated tests for front-end, back-end, APIs, and large-scale services. Build and maintain automated test suites and frameworks (Java, JUnit, Selenium, TestNG), analyze logs, report results, and collaborate with stakeholders; ensure test coverage across devices and drive test strategy and sign-off.

Perform manual and automated testing for lending applications and services. Develop and maintain test automation, write functional, regression, and API test cases, participate in test planning and defect triage, and track issues through resolution. Collaborate with internal and external teams to ensure reliable, scalable, and performant software while contributing to a quality-focused engineering culture.

Build and maintain automated UI, API, database, performance, and compliance tests using Java and Python. Integrate regression suites with CI/CD, analyze failures, validate deployments, support regulated-system traceability, and provide release quality recommendations. The role includes HIPAA, SOX, HL7, and FHIR testing, risk assessments, AI-assisted testing, and mentoring junior QA engineers.

Own quality across Decile Hub and Start Fund by anticipating release issues, building AI-agent-driven regression and exploratory testing systems, maintaining test plans and release checks, and managing bug triage. The role also focuses on customer onboarding, login, identity verification, document signing, and capital workflows. The QA Engineer partners with engineering, product, and customer success to turn customer feedback into comprehensive test coverage.

Manual QA engineer responsible for testing web and mobile booking flows across admin, reservation, website/iFrame, and mobile app. Create and maintain test cases and documentation, perform functional, regression, exploratory, and UAT testing, review requirements during grooming, track defects, and collaborate with developers, designers, PMs, and QA to own features end-to-end.

Designs, executes, and debugs manual and automated tests for software products. Reviews requirements, develops test plans and scenarios, performs regression and exploratory testing, documents defects, verifies fixes, and supports successful releases. Coordinates testing across development teams, maintains bug backlogs, and recommends improvements to testing processes, tools, and training. Uses SQL Server Management Studio and SQL queries, with ERP application testing experience preferred.

Lead quality engineering across government, billing, and childcare products. Build AI-assisted test practices, automate UI and API coverage, validate data with SQL, test billing workflows, evaluate AI products, support government user acceptance testing, and partner with Engineering and Product on release readiness, defect resolution, and continuous quality improvement.

Test mobile features across iOS and Android, perform regression testing, and build automated synthetic tests for voice calls and SMS. Develop test plans for new and cross-team initiatives, track bugs and quality trends, and provide data-driven recommendations. Collaborate closely with engineering, product, and design teams to maintain quality while increasing release velocity.

Validate and test blockchain and Web3 products across the development lifecycle: create and run test plans, validate smart contract and wallet interactions, test APIs and web platforms, track and verify bugs, collaborate on releases, and improve automation, reliability, performance, and security.

Investigate voice AI campaign and platform issues by analyzing calls, transcripts, logs, configurations, and integration data. Reproduce and document bugs, triage root causes, perform pre-launch and ongoing conversation QA, and develop test plans, regression suites, quality metrics, and automation. Collaborate with engineering, deployment, clinical, and nursing teams to improve agent behavior, workflows, handoffs, scheduling, and outcome capture.

Own the quality strategy and end-to-end testing pipeline for an AI-generated product handling real-money transactions. Build automated UI, browser, mobile, pre-merge, nightly, release, and production testing gates; integrate testing with CI/CD; evaluate external tools; and improve reliability of critical financial flows. The role partners with engineering and DevOps, uses AI coding agents daily, and drives quality initiatives as an autonomous individual contributor.

Own end-to-end firmware QA for embedded satellite hardware: design and build HIL test rigs, automate regression suites with Python, correlate logs across debug probes and device interfaces, define release validation gates, and scale QA processes for hardware products.

Design and maintain automated testing frameworks for web, iOS, and Android fitness applications. Integrate tests into CI/CD pipelines, build API coverage, test GPS and location features through simulation and sensor mocking, and use AI tools to improve QA workflows. Perform targeted exploratory testing, document defects, collaborate cross-functionally, estimate QA work, and advocate for quality throughout development.

Lead QA strategy and scalable test automation for cybersecurity web applications using Playwright and JavaScript. Build and maintain reliable automated testing frameworks, integrate tests into CI/CD pipelines, establish quality gates, diagnose failures, and support security testing. Mentor junior engineers, conduct code reviews, collaborate cross-functionally, and improve testing practices, coverage, reliability, and release quality across multiple products.

Perform manual testing for web and mobile features across Teams, pricing, growth, recording, transcription, subscriptions, governance, and billing. Create reproducible bug reports, track fixes, contribute to test plans and regression suites, define acceptance criteria with product and engineering teams, and validate releases and bug fixes.

Plan, execute and automate functional, regression and integration tests for mobile (iOS/Android) and backend services. Create and maintain test plans, cases and data; log and track defects; support UAT, performance and stability checks; collaborate with developers, DevOps and architects; integrate automated tests into CI pipelines and validate release readiness across environments and physical devices.

Owns the BASIS program’s software QA strategy, automation framework, compliance posture, and quality deliverables. Leads automated testing across unit, integration, regression, system, and end-to-end levels; enforces TDD, DevSecOps integration, traceability, defect management, accessibility testing, and quality metrics. Mentors QA engineers, leads reviews and defect triage, maintains compliance documentation, and briefs Government stakeholders on quality risks, metrics, and remediation.

Drive quality assurance for web features from technical handoff through production release. Responsibilities include test planning, test case creation, functional and exploratory testing, regression, UI/UX, cross-browser, responsive, API, and end-to-end testing. Support releases through build validation and monitoring, document and review tests, collaborate with product and engineering teams, improve QA metrics, and optionally contribute to test automation.

Own and improve software test automation across the development lifecycle. Develop unit, component, API, and browser tests; create test fixtures and data; collaborate with engineering and product teams on testability; diagnose CI and production issues; improve flaky tests; report coverage and risk; and use AI-assisted development with independent validation.

Build and lead quality engineering for a multi-tenant AI platform. Responsibilities include creating API, UI, backend, performance, security, and database automation; integrating tests into CI/CD; validating cloud and Kubernetes deployments; ensuring tenant isolation and compliance evidence; defining QA standards and release processes; mentoring engineers; and communicating quality risks. Preferred experience includes testing AI/LLM applications, financial systems, observability, chaos engineering, and startup environments.