Senior Quality Assurance Engineer
About Ultralytics:
At Ultralytics, we commit to relentless innovation in the AI space and seek team members who resonate with our ambition to produce the world's best YOLO AI models. 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 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 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 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 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.
Hybrid flexibility: 3 days per week in our brand-new office - 2 days remote.
Generous time off: 24 days vacation, your birthday off, plus local holidays.
Flexible working hours: Tailor your working hours to suit your productivity.
Tech: Engage with cutting-edge AI projects.
Gear: Brand-new Apple MacBook Air/Pro, Apple Studio Display, and AirPods Pro 3.
Team: Become part of a supportive and passionate team environment.
What we offer:
Cutting-Edge, Next-Generation AI Computer Vision Technology: Contribute to building cutting-edge computer vision AI models based on the YOLO framework.
Impactful Work: Shape the future of AI-powered solutions that transform industries.
Collaborative Culture: Join a talented and passionate team that values open communication and innovation.
Ultralytics Handbook
Comprehensive guide to our company's mission, vision, values, and operational practices. This handbook is designed to provide key insights and resources for our (future) team members, collaborators, and community to align with Ultralytics' core principles.
Link: https://handbook.ultralytics.com/
Ultralytics is an equal opportunity employer committed to building an inclusive workplace. We believe that everyone should be able to bring their whole selves to work, and we do not discriminate on the basis of race, religion, national origin, gender, sexual orientation, age, veteran status, disability, or any other legally protected status.