Staff QA Engineer

Tatari•San Francisco, CA

8d•Hybrid

About The Position

Tatari is looking for a Staff QA Engineer to join the Buying and Optimization team. In this role, you will work alongside engineering leadership to raise the bar for testing practices, set best practices, and scale our automation frameworks. You will have the opportunity to partner with product leaders to ensure correctness, reliability, and smooth user experience across Tatari’s buying platform and adjacent services.

Requirements

7+ years of experience as an SDET, QA Automation Engineer, or Software Engineer with a strong focus on automated testing and QA methodologies
Expert in automated E2E testing (Playwright preferred, Cypress or Selenium considered).
Solid TypeScript and Python skills (Jest, pytest, or similar), plus familiarity with React applications and bonus for client-side web applications.
Proficient in SQL.
A track record of building test automation frameworks for UIs, APIs, and microservices from scratch and scaling them as teams grew.
Proven ability to set testing strategy and standards for a team, and drive their adoption across multiple engineers and projects.
Strong communicator, whether its presenting to engineering and product leadership or mentoring/coaching other engineers.
Strategic mindset: able to prioritize testing investment against coverage and risk, and make the case for QA roadmap decisions.
Detail focused, strong analytical skills, a knack for edge-case discovery, and a genuine commitment to engineering excellence.

Responsibilities

Design, build, and maintain Tatari’s end-to-end (E2E) test automation framework in Playwright.
Write a large share of the core framework code, shared utilities, and the hardest test suites yourself.
Set the technical direction for test automation, including tooling, architecture, and testing patterns, and turn it into reference code and design docs others can follow.
Write and improve unit and integration tests across the stack (TypeScript/Jest, Python/pytest).
Build the patterns, fixtures, and helpers that make good testing the easiest path for QA engineers and feature teams.
Integrate automated tests into CI/CD pipelines; fix flaky tests, speed up test runs, improve pipeline observability, and build reliable release gates.
Build tooling for data validation and backend verification, including SQL-based data integrity checks, API contract and response validation, and test data setup for sandbox and staging environments.
Do hands-on exploratory testing on the highest-risk workflows, and review test plans and automation code written by other engineers.
Act as the senior technical voice for QA.
Give engineering and product leadership risk assessments and coverage data to inform release decisions.
Raise the testing bar across engineering by mentoring, pairing, and writing best-practice docs.
Take part in technical interviews for QA candidates.