Senior QA Engineer, Safety

Responsibilities

• Define and drive quality strategy, release criteria, SLOs, quality metrics, and testability standards.
• Identify systemic quality gaps and lead quality initiatives from proposal through adoption across teams.
• Evaluate, pilot, integrate, and scale AI-assisted testing, failure triage, reviews, and release-risk analysis workflows.
• Build and maintain scalable API, service, integration, and end-to-end test automation integrated into CI/CD.
• Develop test strategies for distributed systems, including concurrency, eventual consistency, backward compatibility, and failure modes.
• Validate mobile, desktop, console, and web behavior and conduct performance, load, chaos, and resilience testing.
• Partner with Trust & Safety, Privacy, and Policy teams to make safety and privacy requirements testable and verified.
• Analyze incidents, escaped defects, and telemetry to identify root causes and drive preventive improvements.
• Mentor engineers and quality engineers and resolve technical and cross-functional disagreements independently.

Requirements

• At least 6 years of experience in quality engineering, SDET, or software engineering with a strong testing focus.
• Demonstrated experience changing team or organizational processes and leading adoption of tools, practices, or workflows across multiple teams.
• Deep hands-on experience with AI-assisted development and testing tools, including workflows, automations, or agentic systems used by others.
• Strong programming skills in at least one relevant language, such as Python, Go, Java, C#, Lua, or TypeScript.
• Experience building automation frameworks and CI/CD test pipelines for backend services, APIs, and distributed systems at scale.
• Ability to make independent risk-based decisions, resolve disagreements, and align senior engineering and product stakeholders.
• Strong written and verbal communication skills and comfort using observability tools to debug and validate production behavior.
• Preferred experience with social, messaging, or real-time communication products; safety, privacy, and compliance; mobile and cross-platform automation; performance, chaos, or resilience testing; experimentation; feature flags; and mentoring.

Benefits

• Full-time employees are eligible for equity compensation and benefits.
• San Mateo-based office roles are onsite Tuesday, Wednesday, and Thursday, with optional presence Monday and Friday.
• The listed annual base salary range for San Mateo headquarters roles is $187,780–$223,660 USD, subject to job-related factors and change.