--- title: 'Senior Quality Assurance Engineer at Ultralytics' canonical: 'https://feeny.ai/job/senior-quality-assurance-engineer-ultralytics-shenzhen-8qxcnp508h2t' type: 'job' last_seen: '2026-09-06' --- # Senior Quality Assurance Engineer at Ultralytics - **Company:** Ultralytics - **Location:** Shenzhen, China - **Employment:** full-time - **Work type:** hybrid - **Posted:** 2026-07-31 - **Last confirmed live:** 2026-09-06 - **Apply:** https://jobs.ashbyhq.com/ultralytics/9800e197-9865-423b-8030-b9c91a61f0b7 ## Job description 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. πŸš€ 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. πŸ’° 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 β€” 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 https://www.ultralytics.com/solutions. - Gear: Brand-new Apple MacBook Air/Pro, Apple Studio Display, and AirPods Pro 3. - Team: Become part of a supportive and passionate team environment https://www.ultralytics.com/about. 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. ## About Ultralytics ## Company Overview - **One-liner**: Ultralytics provides an end-to-end computer vision platform built around the widely adopted YOLO (You Only Look Once) family of open-source AI models. - **Entity Type**: Private (startup) - **Headquarters**: London, United Kingdom (with offices in Shenzhen, Madrid, and New York) - **Founded**: Not publicly available (YOLO models first released by Ultralytics in 2020) - **Founders**: Glenn Jocher ## Core Business - **Primary industry/industries**: Artificial Intelligence, Computer Vision, SaaS - **Target customers**: Developers, startups, SMBs, and enterprise teams deploying vision AI (B2B / B2D) - **Mission or purpose statement**: "To push the boundaries of AI through relentless execution, creating the world’s best open-source solutions." [ultralytics.com/about] ## Products & Services - **Ultralytics YOLO (You Only Look Once)**: The industry-standard open-source object detection and vision AI model family (YOLOv5, YOLOv8, YOLO11, YOLO26) used by millions of developers worldwide. [ultralytics.com] - **Ultralytics Platform**: A unified SaaS platform for annotation, training, and deployment of vision AI models. Includes cloud-accelerated training (22 GPU options), smart annotation tools (bounding boxes, segmentation, keypoints), and deployment to 43 global regions with auto-scaling. Supports 19 export formats (ONNX, TensorRT, CoreML, TFLite, etc.). [ultralytics.com] - **Ultralytics Solutions**: Industry-specific AI applications for healthcare, robotics, autonomous navigation, and more. [handbook.ultralytics.com/introduction] ## Market Standing - **Valuation/Market Cap**: Not publicly available (private company) - **Key Metric**: Total Funding – Not publicly available (no disclosed rounds); team headcount ~58 as of mid-2025 (based on team page tags) [ultralytics.com/about] - **Notable Investors/Partners**: Not publicly available; partners inferred from ecosystem (NVIDIA GPU support, cloud providers) - **Growth Signals**: "Fast-growing startup" with active hiring across product, sales, and engineering; new office in New York; community of 1M+ developers using YOLO; tools powering 1B+ daily uses in production. [ultralytics.com/careers] ## Competitive Advantages - **Open-source leadership**: YOLO models are the de facto standard for real-time object detection, with massive community adoption and trust. - **End-to-end platform**: Combines annotation, training, and deployment in one product, reducing friction for developers. - **Developer-first design**: Python SDK, no-code interface, and broad export format support make integration easy across edge, mobile, and cloud. - **Global infrastructure**: Deploy models across 43 regions with auto-scaling and real-time monitoring. - **First-mover in open vision AI**: Continuous model releases (YOLOv5 through YOLO26) keep them ahead of competitors. ## Strategic Focus - **Platform monetization**: Converting open-source users into paying SaaS customers for training and deployment. - **Enterprise expansion**: Dedicated Customer Success team, custom SLAs, and enterprise terms to win large deployments. - **Edge and mobile deployment**: Optimizing models for CoreML, TensorFlow Lite, QNN to capture IoT and embedded markets. - **LLM integration**: Hiring LLM Engineers to combine language AI with vision models for multimodal solutions. [ultralytics.com/careers] - **Global office presence**: Scaling teams in London, Madrid, Shenzhen, and New York to support international growth. ## Why Work Here - **Hybrid culture**: "High-Resolution Hybrid" with Anchor Days (Tue/Wed/Thu) in-office for those within commutable distance; flex on Mon/Fri for deep work. [handbook.ultralytics.com/introduction] - **Offices in 4 cities**: London, Madrid, Shenzhen, New York – dog-friendly workplaces. - **Perks**: Competitive salaries, latest Apple MacBook Air and AirPods Pro, 24 days PTO plus birthday off and local holidays, true ownership of projects. [ultralytics.com/careers] - **Engineering culture**: AI-first mindset (everyone uses AI tools), high autonomy, open-source contributions, and real-world impact (tools used in robotics, healthcare, etc.). - **Career tracks**: Clear Individual Contributor and Management paths with equivalent compensation; fast promotion cycles tied to Anchor Day participation. [handbook.ultralytics.com/people/careers] ## Sources 1. [ultralytics.com](https://www.ultralytics.com/) – Homepage: platform overview and YOLO models 2. [ultralytics.com/about](https://www.ultralytics.com/about) – Team, values, headcount, founder story 3. [ultralytics.com/careers](https://www.ultralytics.com/careers) – Open roles, perks, culture 4. [handbook.ultralytics.com/introduction](https://handbook.ultralytics.com/introduction) – Work culture, hybrid policy, AI-first mindset 5. [handbook.ultralytics.com/people/careers](https://handbook.ultralytics.com/people/careers) – Career progression framework ## Other roles at Ultralytics - [Enterprise Account Executive](https://feeny.ai/job/enterprise-account-executive-ultralytics-new-york-5s59j0nb33f5) β€” New York, NY - [Enterprise Customer Success Manager](https://feeny.ai/job/enterprise-customer-success-manager-ultralytics-new-york-rypne9deqvnt) β€” New York, NY - [Legal Counsel](https://feeny.ai/job/legal-counsel-ultralytics-london-bhdgsnjpn1hq) β€” London, United Kingdom - [Senior Business Development Representative](https://feeny.ai/job/senior-business-development-representative-ultralytics-london-f2w6w3traswe) β€” London, United Kingdom - [Solutions Engineer](https://feeny.ai/job/solutions-engineer-ultralytics-new-york-qqqcedgwn1pv) β€” New York, NY - [Senior Full Stack Engineer](https://feeny.ai/job/senior-full-stack-engineer-ultralytics-shenzhen-tjrw4r38mft3) β€” Shenzhen, China - [ML Engineer](https://feeny.ai/job/ml-engineer-ultralytics-shenzhen-4vc5mxf1yskg) β€” Shenzhen, China - [R&D Engineer](https://feeny.ai/job/r-d-engineer-ultralytics-remote-6ktz21cwft91) - [Senior Graphic Designer](https://feeny.ai/job/senior-graphic-designer-ultralytics-madrid-32rdc1920y8p) β€” Madrid, Spain - [LLM Engineer](https://feeny.ai/job/llm-engineer-ultralytics-london-rtqe2z2g44f7) β€” London, United Kingdom