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AI Engineer — Learn Engine: Platform & Simulation

Posted about 2 months ago

OfficeSan Francisco HQ

Build the tools that do not exist yet — a campaign simulator, a creative intelligence engine, an experimentation platform. This is invention work, not integration work. Every tool you build becomes a product moat that competitors cannot easily replicate. You will work alongside the intelligence engineer to create a closed-loop optimization system that gets smarter with every dollar spent.

Must Have:
Has built platform/tooling systems that unlock new capabilities for users, not just internal plumbing.

  • Strong TypeScript or Python with fast production shipping ability.

  • Experience with browser automation, screen capture, simulation, or experimentation infrastructure.

  • Strong product instincts for turning messy data and workflows into usable tools.

  • AI-first development workflow with high implementation velocity.

Nice to have:
Simulation engine / Monte Carlo / probabilistic modeling experience

  • Computer vision or image analysis (for creative intelligence)

  • Ad-tech or growth engineering background

  • A/B testing or experimentation infrastructure experience

  • Experience with Mastra, Langchain, or LLM orchestration frameworks

Own the platform and simulation layer of Learn Engine. Build the campaign simulator, experimentation infrastructure, screen-capture and creative-intelligence pipelines, and client-facing data products that let operators model outcomes before spending real money. This role owns tooling, infrastructure, simulation fidelity, and productized research surfaces — not the optimization policy itself.

Job details
Workplace
Office
Location
San Francisco HQ

Hellyeah is an AI-native growth engine that accelerates marketing teams with autonomous digital workers. Built for hyper-fast growing team who care about alpha, Hellyeah turns growth from a human bottleneck into a programmable, scalable machine.

Employees
13

Key team members

Kelly An

Kelly An

Diane Choi

Diane Choi

Juan Pablo Inverni

Juan Pablo Inverni

Vivek Agarwal

Vivek Agarwal

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