Senior Quality Assurance Engineer

About the role

Ultralytics is looking for a Senior Quality Assurance Engineer to ensure the reliability and performance of its AI platform and YOLO‑powered services. The role is based in Shenzhen with a hybrid schedule, combining office collaboration and remote work.

Key responsibilities

• Design, architect, and maintain automated test suites for backend services, web UI, and APIs using TypeScript and Playwright.
• Lead end‑to‑end and browser‑based testing strategies for frontend applications.
• Write and maintain API and integration tests for Next.js routes, server components, and serverless deployments on Vercel.
• Validate data integrity and edge‑case behavior across MongoDB, training pipelines, and inference services.
• Own test infrastructure within CI/CD pipelines (GitHub Actions), improving reliability and parallelization.
• Establish testing patterns and best practices across a Turborepo monorepo.
• Mentor junior engineers on testing strategies and quality‑first development.
• Collaborate with Engineering and Product to define acceptance criteria and catch issues early.
• Contribute to internal QA documentation, test plans, and release readiness checks.

Required profile

• 5+ years of experience in QA, test automation, or software engineering.
• Strong proficiency in TypeScript and/or Python.
• Deep expertise with Playwright for browser automation.
• Solid understanding of API testing (REST/JSON) and backend integration testing.
• Experience with modern web stacks (Next.js, React, serverless on Vercel) and cloud infrastructure (GCP).
• Proficiency with CI/CD systems, especially GitHub Actions.
• Experience working in monorepo environments using Turborepo and Bun.
• Familiarity with MongoDB and database testing strategies.
• Proven ability to establish testing standards and mentor team members.

Required skills

• TypeScript
• Python
• Playwright
• API testing (REST/JSON)
• Next.js
• React
• Vercel (serverless deployments)
• Google Cloud Platform (GCP)
• GitHub Actions
• CI/CD pipelines
• Turborepo
• Bun
• MongoDB