AI Product Engineer — Early-Stage Equity

Heysurface, Inc.; United States; Remote; USD 100,000 - 180,000; Full time

Benefits offered by this job

Early-stage equity

Job summary

Heysurface, Inc. is looking for the first engineer to build the core of an AI product that tracks brand appearances in answers from major AI assistants and search overviews.

You will shape the technical direction, define what to build, and create integrations with multiple AI providers to collect responses. You will design the scoring and aggregation, draft changes for approval, and develop an evaluation harness to test prompts before deployment, while enabling per-customer memory and spending

Qualifications

• Experience shipping products that call model APIs and handle rate limits, partial failures, and usage costs.
• Strong TypeScript skills and willingness to write maintainable code.
• Use reproducible evaluation sets to inform decisions; avoid unreproducible benchmarks.

Responsibilities

• Build and maintain direct integrations that collect responses from five AI providers.
• Develop scoring and aggregation that turn collected answers into a clear position.
• Create the workflow for proposing and drafting changes, with human approval before execution.
• Build an evaluation harness to assess prompt changes before they ship.
• Move work into background processing, and develop per-customer memory and spending limits.

Skills

TypeScript

APIs

Product mindset

Experimentation

System design

Job description

Heysurface, Inc. is looking for the first engineer to build the core of an AI product that tracks brand appearances in answers from major AI assistants and search overviews.

You will shape the technical direction, define what to build, and create integrations with multiple AI providers to collect responses. You will design the scoring and aggregation, draft changes for approval, and develop an evaluation harness to test prompts before deployment, while enabling per-customer memory and spending