A payment processing companyHiring

Product Builder, Merchant Portal

  • Remote, United States
  • Senior
  • Posted 6 days ago
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In one line

Hands-on product builder for a merchant portal covering transactions, reporting, disputes and online ordering; remote in the US.

About the role

The work is about speed: turning merchant feedback into working prototypes and precise specs in hours rather than waiting on full design and engineering cycles. Technical depth and AI tooling carry the role.

At a glance

Pay
Not stated in the posting
Remote scope
Remote, United States
Seniority
Senior
Skills
SQL, JavaScript, Jira, LLM APIs, Prompt engineering, iOS, Android
Posted
23 Oct 2026
Last checked
27 Oct 2026

What you will do

  • Define and build proof-of-concept features and interactive prototypes for desktop, iOS, Android and payment hardware
  • Write technical specs, wireframes and schemas deep enough for engineering to build without back-and-forth
  • Set evaluation criteria before building, then test solutions against them
  • Talk directly with merchants and sales partners and turn feedback into working solutions
  • Use LLM APIs and AI coding agents for discovery, code generation and prototyping

What they look for

  • One to two years working with AI tools
  • Experience on Agile software development teams, with Jira and modern product software
  • SQL, JavaScript and REST or web APIs, plus hands-on iOS and Android development
  • Familiarity with card readers, POS terminals and kiosks, and with prompt engineering

Benefits

  • Medical, dental and vision coverage

How Keywordise applies for you

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ClaudeConnectorChatGPTConnectorMuseby Meta

Claude

  1. In Claude, open Settings, then Connectors, and choose Add custom connector.
  2. Name it Keywordise and paste the connector URL.
  3. Click Connect, log in to Keywordise and approve. Then send the prompt in a new chat.
Connector URL
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ChatGPT

  1. In ChatGPT, open Settings, then Connectors. On plans that need it, turn on developer mode first.
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Connector URL
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Muse

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Message for Muse
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Muse is available in the US only for now.

Prompt
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How to connect

Questions about this job

Is this job fully remote, and from where?

Yes. The posting lists Product Builder, Merchant Portal as a remote role for candidates in the United States.

What does this job pay?

No pay range is stated in the posting.

What experience is needed?

It is a senior role. The posting asks for: one to two years working with AI tools; experience on Agile software development teams, with Jira and modern product software; SQL, JavaScript and REST or web APIs, plus hands-on iOS and Android development. Skills it names include SQL, JavaScript, Jira, LLM APIs.

How do I apply with Keywordise AI?

Click Apply with Keywordise AI, create an account and upload your CV. Your CV and cover letter are written for this job from what you have really done, then Keywordise applies for you. Trial: 7 days, no card.

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