Top Software Test Engineer Jobs in San Francisco, CA

Lead technical ownership of a global platform for safe change: distributed key-value storage, progressive configuration delivery, testing and health-mediation. Write production code, design systems, review senior proposals, integrate LLMs, and drive cross-team initiatives to improve reliability, rollout safety, and developer productivity.

Senior SDET responsible for building test strategies, developing automation frameworks and tools, leveraging AI to augment testing, writing test plans for functional/compliance use cases, automating high-value tests, participating in requirements analysis, diagnosing issues, and collaborating with product, security, and engineering teams to improve platform quality and reliability.

Build and maintain scalable integration and end-to-end test automation frameworks, optimize CI pipelines and test execution, improve test stability and reporting, support engineering teams with triage and best practices, write technical specs/ADRs, participate in on-call rotation, and collaborate cross-functionally to evolve the company test strategy.

The Software Test Engineer will design and execute software test procedures for spacecraft Flight Software across integration and environmental tests, ensuring features are testable and validated before launch.

The Software Test Engineer will design, implement, and maintain test frameworks for back-end services, ensuring product quality through test case creation and automation, and collaborating with cross-functional teams.

As a Software Development Engineer in Test, you'll create and conduct automated tests, resolve technical issues, and collaborate with development teams to ensure software quality.

Develop and run automated test frameworks and embedded firmware to validate radar payloads. Build HIL setups, control lab instruments, analyze performance data, and maintain CI pipelines to ensure hardware-software integration and space-readiness.

Design, build, and maintain scalable test automation frameworks and tooling (Playwright, C#, JS/TS). Integrate automated tests into CI/CD, develop end-to-end, integration, and performance tests, apply AI techniques for test generation and defect detection, troubleshoot system issues, mentor QA teams, and drive automation and quality engineering best practices.

Lead technical strategy and execution for automated testing: design scalable frameworks, stabilize CI pipelines, build realistic test environments, reduce flakiness, guide triage and root-cause analysis, mentor engineers, and embed quality practices across product teams to enable frequent, reliable releases.

Design, build, and test software for spacecraft and ground systems across the full stack. Develop flight and real-time control software, simulation and hardware-in-the-loop testing frameworks, integrate with hardware teams, support system bring-up and on-orbit operations, and create tooling for automation and mission operations in resource-constrained, high-reliability environments.

Lead design, deployment, and sustainment of SIL/HIL/EOLT test systems for long-range drones. Build orchestration software, automation, data capture, and dashboards; integrate with embedded hardware and instrumentation; drive root-cause analyses, CI validation gates, and production readiness. Support on-call rotations and field/manufacturing installations, targeting measurable improvements in test coverage, cycle time, and defect escape rates.

This role involves building and enhancing automation frameworks for testing cloud applications, collaborating with QA and software teams, and improving tools using AI. Responsibilities include designing test strategies and ensuring reliability in safety-critical tools.

The Software Development Engineer in Test will develop and maintain test automation frameworks, conduct UI and API testing, and support quality assurance activities for PlayStation features.

Design high-level software architecture and develop automated test software for component and integrated hardware testing. Write drivers for ground support equipment, implement ground control and telemetry software, validate flight components, support development through flight, and assist hiring efforts.

Lead design and implementation of a unified HIL/SIL test platform: define requirements, architect system, build device drivers and user interfaces, scale SIL cloud infrastructure, and troubleshoot electrical and software systems across hardware-software integration.

The Robotics Software QA/Test Engineer will ensure software quality through testing practices, monitor test robots, triage issues, and improve testing tools.

Hands-on SDET role owning automated test suites (UI, API, integration, regression) using Playwright and TypeScript. Build agentic OpenCode workflows for test generation and triage, integrate automation into CI/CD, investigate flaky tests, design test data, and provide reliable quality evidence for engineering decisions.

The Quality Assurance Engineer at Plaud will manage cross-functional programs, ensuring technical coordination and risk management. They will communicate with stakeholders, drive project execution, and uphold quality in software development.

Design and implement automated quality systems for disaster recovery and production environments, enhancing reliability through automation and intelligent diagnostics, while collaborating with QA and engineering teams.

The Software Development Engineer in Test will develop automation frameworks and tools for testing PlayStation SDK components, drive technical strategies, and enhance testing infrastructure across various platforms while ensuring quality and release confidence.

Design and build automated test fixtures and software (Python, Rust/C) for qualification and production. Drive design-for-testability, perform cross-domain debugging (mechanical, electrical, software), run reliability/qualification rigs, and own failure analysis and production testing to ensure units meet specs.

Lead development of scalable test strategy and infrastructure across legacy and microapp platforms. Build end-to-end UI automation, API and contract tests, integrate suites into CI/CD, design performance/load tests, maintain test environments, and champion quality practices while partnering with engineering and product teams.

Lead test architect for end-to-end integration testing of a complex genomics product portfolio. Design contract-first validations (OpenAPI/Avro), build resilient API and event-driven test frameworks, embed LLM-driven test generation and log analysis into CI/CD, mentor SQEs, enforce staging guardrails, and run chaos/resiliency experiments across distributed microservices.

Lead enterprise-quality engineering and automation strategy for PlayStation mobile, console, portal, hardware, and services. Design and scale automation frameworks (UI, API, integration, telemetry, hardware), improve CI/CD quality gates, drive AI-assisted testing R&D, reduce flakiness, mentor SDETs, coordinate cross-functional initiatives, and define metrics to improve release confidence and long-term QE scalability.

Lead QA activities for an IAM program: design and implement QA methodologies, create and run manual and automated tests, perform code/product reviews, triage defects, validate functionality/performance/security, and support CI/CD, UAT, and release validation across Agile teams.