Top QA Engineer Jobs in San Francisco Bay Area, CA

Lead Salesforce QA by designing and executing test plans for declarative and programmatic Salesforce features, integrations, and APIs. Develop automated tests (Copado Robotic Testing), perform integration, regression, functional and data validation testing across Salesforce and external MySQL systems, collaborate with developers and product owners, improve QA processes, and support multi-org Salesforce setups.

Seeking a passionate QA Engineer with significant experience in software development and engineering, focusing on quality assurance and identity management solutions.

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.

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 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.

As a QA Engineer, you will perform manual and functional testing, ensure quality and usability, and provide feedback while collaborating with teams.

Test web applications across requirements, design, implementation, and release. Identify risks early through shift-left testing, manually validate complex features and payment flows, define acceptance criteria and edge cases, review documentation, and create clear bug reports and test documentation. Collaborate with developers, designers, and stakeholders to improve QA processes and product quality.

The Backend QA Engineer will test APIs, databases, and backend services, ensuring performance and reliability through test design, automation, and collaboration with engineering teams.

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.

Plan and manage software quality assurance activities across safety- and security-critical projects. Conduct audits, reviews, and inspections; maintain certification deliverables; identify risks and non-compliances; support regulatory and customer audits; improve SQA processes; track metrics; and mentor engineering teams. The role supports products including VxWorks and Helix Virtualization Platform across aviation, automotive, robotics, and industrial programs.

Hands-on contract QA Engineer responsible for testing web applications, APIs, integrations, desktop and AI-powered features. Duties include creating test plans, executing functional, regression, integration, exploratory, and end-to-end testing, validating REST APIs and databases, testing complex workflows, documenting defects, supporting release readiness, and improving QA processes and coverage.

Design, develop, and execute test strategies and automation for UI, API, and backend systems. Build and maintain scalable automation frameworks, testing infrastructure, and CI/CD integrations. Collaborate with cross-functional teams, analyze test results, drive defect resolution, and support release readiness while promoting shift-left quality practices.

As a QA Engineer, you'll validate AI applications, manage test data, develop test strategies, and ensure quality performance of AI systems.

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.

Lead and own Syllo's QA strategy, build scalable automated testing frameworks integrated into CI/CD, and drive quality across Engineering, Product, and Customer Success. Champion QA processes, measure and improve release standards, reproduce and validate complex customer issues, and leverage AI/LLM tools to modernize test generation, failure analysis, and automation to increase release confidence and reduce manual testing.

Responsible for testing software functionality, managing defects, collaborating on requirements, performing accessibility testing, and contributing to QA process improvements.

Validate and improve Brave browser quality across desktop and mobile. Create and execute tests, reproduce and debug cross-platform issues, use packet monitoring tools, work in open-source/GitHub, and collaborate with developers and privacy/security teams to ensure secure, reliable releases including crypto wallet and AI-related features.

Own quality for a large mobile platform through hands-on exploratory/manual testing and automation advocacy. Shift testing left with dev/product/design, build and scale automation frameworks (Appium/Java/Cucumber), push coverage into unit/component/contract layers, use AI-augmented tooling for test design and triage, and influence distributed teams to increase automation and improve QA processes.

Provides support and documentation for a healthcare technology platform, authors and quality-checks AI-driven automations, executes high-volume repetitive tasks, and improves applications and developer tooling. The role requires accurate process execution, structured technical documentation, collaboration through GitHub, Slack, and JIRA, rapid ramp-up, strong communication, and software engineering fundamentals. This is a fully remote three-month contract with possible extension.

Perform manual and automated testing of web and mobile apps; design and run test plans, convert tests to TypeScript+Playwright automation, integrate tests into CI/CD, use AI-assisted tools to author and maintain tests, perform API and SQL backend testing, track defects in Jira/Zephyr, and collaborate with engineering teams to improve QA processes.

Design and execute manual and automated tests for web applications, build and maintain test frameworks and CI pipelines, identify and track bugs, validate fixes, collaborate with product and engineering, participate in agile ceremonies, and continuously improve QA processes and tooling to ensure high-quality releases.

Perform quality assurance testing for e-commerce web applications using automation tools and manual testing to identify defects before release.

As a QA Engineer, you'll design test plans, validate API functionality, develop automated tests for backend services, and improve processes for autonomous fleet management systems.

Drive quality strategy across multiple products by designing, building, and maintaining automated test suites for web apps, APIs, and backend services. Integrate tests into CI/CD, define test plans and acceptance criteria, perform exploratory and regression testing, monitor production quality metrics, and mentor engineers on testing best practices.

Conducts manual and automated software testing across requirements, user workflows, edge cases, regressions, APIs, and data validation. Creates test cases, investigates and documents defects using SQL, logs, browser tools, and source code, and contributes Playwright automation within CI/CD pipelines. Collaborates with engineers and product teams, supports accessibility and security-conscious testing, follows HIPAA data-handling practices, and uses Claude Code responsibly to improve test design and investigation.