Sr QA Engineer - SDET (CM)

Tatari•New York, NY

14h•$140,000 - $170,000•Hybrid

About The Position

Tatari is looking for a Sr. SDET to join our Engineering team. In this role, you will develop test automation suites, define end-to-end testing strategies for our client-facing web applications, and own quality assurance across both FE and BE. You will partner with product managers, designers, and engineers to ensure correctness, reliability, and a smooth user experience of Tatari’s media buying platform and adjacent services.

Requirements

5+ years of experience as an SDET, QA Automation Engineer, or Software Engineer with a strong focus on automated testing and QA methodologies.
Strong proficiency in writing automated E2E tests (Playwright or Cypress).
Solid programming skills in TypeScript and Python for writing robust test automation and unit tests (Jest, pytest, or similar).
Strong familiarity with modern client-side web applications, particularly those built with React.
Proficient in SQL, experience querying relational databases for test validation and data setup.
Experience building and maintaining test automation frameworks for UIs, APIs, and microservices.
Comfortable working across engineering and product to communicate quality standards, release risks, and tradeoffs to both technical and non-technical stakeholders.
Detail focused, strong analytical skills, a knack for edge-case discovery, and a genuine commitment to engineering excellence.

Responsibilities

Build, maintain, and scale automated end-to-end (E2E) testing frameworks using Playwright.
Contribute to unit tests across our tech stack, utilizing TypeScript (Jest) and Python (pytest).
Write, execute, and maintain clear, comprehensive test plans for new features, encompassing both automated and manual testing strategies.
Partner with frontend and backend engineers to bring fully QA’d projects to successful completion, at the highest quality standards.
Perform hands-on manual QA and exploratory testing for complex user workflows, edge cases, and new features where features and/or automation are still being developed.
Query databases using SQL to verify data integrity, validate backend API responses, set up local and staging sandbox environments to test complex data flow scenarios.
Help integrate automated tests into CI/CD pipelines to ensure continuous testing, pipeline observability, and deployment reliability.
Mentor engineers across the org on testing best practices, automation strategies, and contribute to a culture of testing excellence.