Senior Quality Assurance Engineer

About Ultralytics: At Ultralytics https://ultralytics.com/, we commit to relentless innovation in the AI space and seek team members https://www.ultralytics.com/about who resonate with our ambition to produce the world's best YOLO AI models https://ultralytics.com/yolo. If you're obsessed with AI, eager to make an impact on the world, and thrive in dynamic, high-intensity environments, we invite you to apply for a position on our team. 🌎 Where and how you can work This full-time Senior Quality Assurance Engineer position is based in our Ultralytics office https://www.ultralytics.com/about in Shenzhen, China, with a hybrid model of 3 days in-office and 2 days remote. 🚀 What you'll do As a Senior Quality Assurance Engineer at Ultralytics, you will help ensure the quality, reliability, and performance of the Ultralytics Platform https://platform.ultralytics.com/ and our YOLO-powered workflows and APIs. Key responsibilities include: - Designing and maintaining automated test suites for our backend services, web UI, and APIs using TypeScript and tools like Playwright. - Leading end-to-end and browser-based testing strategy for our frontend using Playwright Test. - Writing and maintaining API and integration tests for Next.js API routes, server components, and serverless deployments on Vercel. - Validating data integrity and edge-case behavior across workflows that touch MongoDB, training pipelines, and inference services. - Owning test infrastructure within CI/CD using GitHub Actions, improving test reliability, parallelization, and signal-to-noise. - Establishing testing patterns and best practices across a Turborepo monorepo with multiple apps. - Mentoring junior engineers on testing strategies, code review, and quality-first development. - Collaborating with Engineering and Product to clarify requirements, define acceptance criteria, and catch issues early. - Contributing to internal QA documentation, test plans, and release readiness checks. Your attention to detail and willingness to learn will be essential in supporting Ultralytics' mission https://www.ultralytics.com/about of delivering top-tier machine learning tools and models to the community. 🧠 Skills and experience - 5+ years of experience in QA, test automation, or software engineering, with strong proficiency in TypeScript, Python, or both. - Deep expertise with Playwright for browser automation and end-to-end testing. - Solid understanding of API testing (REST/JSON), backend integration testing, and server component testing patterns. - Experience with modern web stacks including Next.js, React, TypeScript, serverless deployments (Vercel), and cloud infrastructure (GCP). - Proficiency with CI/CD systems (especially GitHub Actions), test gating, and pipeline optimization. - Experience working in monorepo environments with tools like Turborepo and Bun. - Familiarity with MongoDB and database testing strategies. - Proven ability to establish testing standards and mentor team members. - Strong problem-solving skills and a track record of improving quality processes in fast-paced environments. - Clear communication and the ability to collaborate across teams. 🌟 Cultural fit Ultralytics is a high-performance environment for world-class talent obsessed with achieving extraordinary results. We operate at a relentless pace, demanding exceptional dedication and an unwavering commitment to excellence. Our team https://www.ultralytics.com/about thrives on audacious goals and absolute ownership. This is not a conventional workplace. If your priority is predictable comfort or a standard work-life balance over the relentless pursuit of progress, Ultralytics is not for you. We seek driven individuals prepared for the profound personal investment required to make a defining contribution to the future of AI. 💰 Compensation and benefits - Competitive salary: Highly competitive based on experience. - Equity packages: Participate directly in our company's growth and success. - Hybri…