Senior Quality Assurance Engineer

About the role

Prospective is building PJAS, an advertising platform that runs large‑scale campaigns across Google, Facebook, LinkedIn, Indeed, TikTok and other channels. As a Senior Quality Assurance Engineer you will own quality across this complex ecosystem, ensuring that new features, integrations and core workflows are reliable before they reach customers.

Key responsibilities

• Perform exploratory, regression and edge‑case testing of new features end‑to‑end.
• Design, implement and maintain automated E2E tests for UI, backend and campaign delivery flows.
• Validate integrations with external advertising platforms and third‑party APIs.
• Write and maintain test scripts for the Lua‑based scripting sandbox used for custom business logic.
• Develop automation frameworks that integrate with the CI/CD pipeline and monitor flaky tests.
• Define QA standards, release quality gates, test‑coverage goals and testing strategy.
• Expand integration test coverage for REST APIs covering campaign management, job publishing, media processing, user management and reporting.

Required profile

• 5+ years of experience in software QA, test automation or a related quality engineering role.
• Strong understanding of exploratory, regression, integration and end‑to‑end testing.
• Experience testing complex business logic and translating product requirements into test cases.
• Hands‑on experience with at least one modern test‑automation framework.

Required skills

• Lua scripting for custom business logic.
• CI/CD pipeline integration.
• REST API testing.
• Test‑automation framework design and implementation.