Senior QA Engineer
Core
Own the quality strategy for programmatic publishing systems that enable publishers to monetize inventory and advertisers to buy placements, focusing on high-throughput real-time decisioning, data validation, and API contracts.
Role type
Senior hands-on individual contributor QA Engineer
Builds
Automated testing suites, consumer-driven contract tests, data validation pipelines, and production monitoring signals for a commerce partnership platform.
Domain
Programmatic advertising, commerce partnerships, real-time decisioning systems
Deliverable
production ML models | product features | dashboards & analysis
Required skills
API and contract testing, SQL and data validation, log analysis and debugging, CI/CD integration, AI-assisted testing, cross-system integration testing, performance testing, test strategy design
Preferred skills
Experience with legacy server-rendered frontends, TypeScript, event-driven architectures, service virtualization, agentic workflows
Technologies
REST/JSON APIs, SQL, Grafana, TypeScript, MCP servers, AI testing tools
Responsibilities
Design and maintain automated coverage for REST/JSON surfaces and high-throughput serving paths; build consumer-driven contract tests across service boundaries; validate data pipelines and reporting datasets using complex SQL; test multi-step frontend journeys including legacy and modern components; interpret logs and metrics to diagnose production issues; define quality gates and thresholds for releases; manage third-party and cross-system integration quality; implement AI-augmented testing workflows and review AI-generated tests.
Seniority
Senior, hands-on IC