Vast.ai’s cloud powers AI projects and businesses all over the world. We are democratizing and decentralizing AI computing—reshaping our future for the benefit of humanity.
We are a growing and highly motivated team dedicated to an ambitious technical plan. Our structure is flat, our ambitions are out‑sized, and leadership is earned by shipping excellence.
We seek engineers with strong intrinsic drive, a true passion for advancing the state of the art, and a mix of architecture, coding, and communication skills.
About the Role
We’re hiring a QA Engineer to drive both manual and automated testing across our web applications and backend services in a Linux-first environment. This role is central to shipping reliable, high-performance software for a complex, always-on platform. You’ll work closely with Product and Engineering to define quality standards, catch issues early, and help deliver confident releases.
This role is onsite 5 days a week in our Los Angeles (Westwood) office.
What You'll Do
Execute manual, exploratory, and regression testing for web apps and backend services
Maintain and expand test plans for existing and upcoming features
Design high-signal test cases and build/extend automation where it matters most
Validate requirements and ensure releases are stable and defect-free
Investigate failures, identify root causes, and file clear, actionable tickets
Partner with Product and Engineering on acceptance criteria and release readiness
Minimum Qualifications
3+ years hands-on testing of web applications
Strong knowledge of test methodologies and their corresponding tools
Experience with writing test plans and test cases for assigned features
Experience with test automation
Keen eye for detail
Nice to Have
Passionate about the future of AI
API testing with Postman/Newman or similar
Proficient with Linux
Experience with load testing tools
Benefits
Work 5 days a week from the Vast.ai HQ in Los Angeles (Westwood) in an ambitious, fast-paced, AI-centered startup environment
Health, dental, vision and life insurance coverage
Matching 401K
Pay: $40.00 / hour
Comprehensive health, dental, vision, and life insurance
401(k) with company match
Meaningful early-stage equity
Onsite meals, snacks, and close collaboration with founders/tech leaders
Ambitious, fast-paced startup culture where initiative is rewarded
Skills Required
- 3+ years of hands-on testing of web applications
- Strong knowledge of test methodologies and corresponding tools
- Experience writing test plans and test cases for assigned features
- Experience with test automation
- Strong attention to detail
- Passion for the future of AI
- API testing with Postman, Newman, or similar tools
- Proficiency with Linux
- Experience with load testing tools
What We Do
Vast.ai is the market leader for low cost GPU rentals. The service connects data centers and professionals running the Vast hosting software with users who can quickly find the best deals for compute according to their specific requirements. Vast.ai GPU rentals are ~3-5X cheaper than current alternatives. Consumer computers and consumer GPUs in particular are considerably more cost effective than equivalent enterprise hardware. We are helping the millions of underutilized consumer GPUs around the world enter the cloud computing market for the first time.
