About Us

At Stably AI, a Y Combinator-backed startup, we're revolutionizing QA testing with cutting-edge AI technology. Our mission is clear and ambitious: empower teams to build exceptional software faster than ever.

Founded by industry veterans who built testing infrastructure at Google and developed machine learning systems at Uber, we've engineered an AI platform that analyzes any web application, generates comprehensive test scripts, and adapts to changes in real time—dramatically reducing testing time and accelerating development cycles.

About the role

We're seeking an exceptional full-stack engineer with 3+ years of experience to join our fast-growing team. In this role, you'll design, develop, and maintain high-quality, scalable software applications across our entire tech stack, including the core AI agent.

Key Responsibilities

Architect and develop across our entire technical stack, including our core AI engine, cloud execution services, and user-facing web application.
Engage directly with customers, gathering invaluable feedback to drive product improvements.
Collaborate with leadership on strategic roadmap planning and feature prioritization.
Elevate our technical infrastructure to production-grade quality, implementing robust DevOps practices and ensuring scalability, reliability, and security.

Why Join Us?

Impact: Contribute to technology that's reshaping software development and propelling human progress.
Team: Join a founding team with both deep technical expertise and experience mentoring engineers. We'll work with our hires to craft it to their interests, skill set, and long term career goals.
Growth: Join at an inflection point - shape our technical foundation and culture while taking ownership of important projects.
Technology: Work with cutting-edge AI tech including advanced language models, voice AI, knowledge graphs. Learn and build with the latest web, cloud, and generative AI stack.

Required Qualifications

Exceptional full-stack engineering skills with 3+ years of experience
Familiarity with AI technologies, particularly Large Language Models (LLMs)
Strong design thinking skills, able to craft elegant solutions from complex problem statements
Thrives in intense, collaborative work environments; aligns with our mission

Preferred Qualifications

Experience with Playwright or other browser automation framework
Experience with DevOps practices and tools
Basic understanding of UX/UI principles
Contributions to open-source projects

Join us as we reshape the future of software development—because when developers are empowered to innovate, there's no limit to what humanity can achieve.

Stably AI jobs

Founding Full-Stack Engineer