Founding AI Engineer - Build Autonomous QA Agents

Praxis, Inc.; San Francisco (CA); Hybrid; USD 120,000 - 190,000; Full time

Job summary

Shiplight AI is seeking a founding engineer to build core systems that enable autonomous testing and reasoning for complex applications. You’ll prototype agentic browser and device automation components and collaborate with the founders on architecture, roadmap, and culture.

Ideal candidates are hands-on builders with 1–3 years startup AI experience, eager to grow into technical leadership, and comfortable working across backend, frontend, and AI interfaces.

Qualifications

• Mission-driven: help shape the next era of AI-powered software development.
• Curious and resourceful: solve hard, open-ended problems.
• Hands-on builder: thrive in early-stage environments with speed and uncertainty.
• Collaborative: value teamwork and open technical debate.
• 1–3 years of startup experience in the AI domain.
• Eager to grow into a technical leader and make a massive impact early.

Responsibilities

• Build core systems that enable AI agents to autonomously test and reason about complex applications.
• Design, prototype, and ship agentic browser and device automation components.
• Work directly with the founders to define architecture, roadmap, and company culture.
• Experiment with cutting-edge context engineering techniques to improve reasoning and adaptability.
• Move fast — from prototype to production — with high ownership and autonomy.

Skills

Engineering fundamentals

Python

TypeScript

Context engineering

Prompt-based reasoning

Browser automation

Full-stack experience

Job description

Shiplight AI is seeking a founding engineer to build core systems that enable autonomous testing and reasoning for complex applications. You’ll prototype agentic browser and device automation components and collaborate with the founders on architecture, roadmap, and culture.

Ideal candidates are hands-on builders with 1–3 years startup AI experience, eager to grow into technical leadership, and comfortable working across backend, frontend, and AI interfaces.