AI API Product Engineer — Self-Serve Web Toolkit

F-Prime Capital; United States; Remote; USD 120,000 - 170,000; Full time

Benefits offered by this job

PTO

Health plans

Wellness

Parental leave

401(k)

Job summary

Napster Corp. seeks a Product Engineer to partner with the Product Manager, turning ideas into working prototypes and evidence-backed recommendations.

You’ll prototype with AI tools, test against real APIs, and help scale website agents across customer sites, starting with templates for Shopify and other CMS platforms. You’ll collaborate with engineering, sales and partnerships to scope integrations, diagnose issues, and run internal rollouts.

Qualifications

• 4+ years as a product engineer, solutions engineer, forward-deployed engineer or hands-on technical product manager on a developer platform or API.
• You read and write code, and you are at home in the browser: JavaScript, the DOM, embedded scripts, iframes and the security rules that get in their way.
• You build with current AI development tools every day and have shipped something with them recently.
• You start before the requirements are finished, and you would rather show a working version than argue about a document.
• You have walked customers through integrations yourself, patiently, and you know when the second walkthrough should have been a tool instead.
• You write clearly, and you measure before you recommend.

Responsibilities

• Explore and prototype: prototype ideas, test them, measure results.
• Make website agents self-serve: automate tooling and templates, start with Shopify.
• Be the technical partner to engineering, sales and partnerships: assist with integrations and demos.
• Evaluate before we decide: run evaluation suites and present data-driven recommendations.

Skills

JavaScript

DOM

Embedded scripts

iframes

Security rules

AI development tools

Testing AI models

Tools

Claude Code

Shopify

Job description

Napster Corp. seeks a Product Engineer to partner with the Product Manager, turning ideas into working prototypes and evidence-backed recommendations.

You’ll prototype with AI tools, test against real APIs, and help scale website agents across customer sites, starting with templates for Shopify and other CMS platforms. You’ll collaborate with engineering, sales and partnerships to scope integrations, diagnose issues, and run internal rollouts.