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Open nowPosted 154 days ago

Founding Customer Success Manager

invoice-butler3 open roles

Pay
$100,000 – $160,000 a yearly
Where
New York City, NY
Work mode
On site
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Your applicationOpen nowFounding Customer Success Managerinvoice-butler · New York City, NY

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Share of postings closed within
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  2. 4.5%3 days
  3. 12.1%7 days
  4. 19.1%14 days
  5. 35.6%30 days
  6. 52.7%60 days
This job: posted 154 days ago

The posting

Founding Customer Success Manager

New York City (In-Person Preferred)

About Invoice Butler

Invoice Butler is an outsourced AR team powered by software and AI.

We help B2B companies manage accounts receivable end-to-end — from invoice follow-ups and payment reminders to supplier portals, escalations, inbox management, texting, calling, and collections workflows.

Our customers are fast-growing companies that want to improve cash flow without hiring a large internal AR team.

We work with companies ranging from early-stage startups to well-known growth-stage businesses, helping finance teams automate and operationalize one of the most painful parts of running a company: getting paid.

We’re a small, fast-moving team based in NYC building a category-defining company at the intersection of AI, operations, and finance.

The Role

We’re hiring a Customer Success Manager to work directly with our customers and own key operational workflows across onboarding, support, escalations, and ongoing account management.

This is not a traditional “check-in calls and QBRs” customer success role.

You’ll be deeply embedded in customer operations, helping finance teams manage real AR workflows while also improving the systems and processes behind the scenes.

You’ll work directly with founders, engineering, operations, and customers to ensure our customers are successful and that our internal processes scale as we grow.

What You’ll Do

  • Own customer onboarding and implementation workflows
  • Manage ongoing customer relationships and ensure customers are successful
  • Coordinate escalations and help resolve operational issues quickly
  • Operate directly in customer communication channels including Slack and email
  • Help customers configure workflows and operational processes
  • Improve internal systems, SOPs, and automations
  • Work cross-functionally with engineering, operations, and sales
  • Identify operational bottlenecks and proactively solve them
  • Ensure customers feel highly supported and cared for
  • Help scale customer operations as the company grows

What We’re Looking For

  • 6–10+ years of experience in customer success, operations, implementations, project management, or a similar role
  • Strong organizational and communication skills
  • Extremely detail-oriented and operationally strong
  • Comfortable managing many moving pieces simultaneously
  • High ownership and accountability
  • Able to thrive in fast-moving startup environments with ambiguity
  • Strong written communication skills
  • Comfortable working directly with customers
  • Excited about AI tools and operational automation
  • Bias toward action and problem solving

Bonus Points If You Have

  • Experience at a high-growth startup
  • Experience working with finance, accounting, or operations teams
  • Experience building processes from scratch
  • Experience with HubSpot, Slack, Notion, Linear, or similar tooling
  • Experience managing technical or operational implementations

Why Join

  • Work directly with experienced startup operators and founders
  • Help build a category-defining AI + operations company
  • Massive ownership and opportunity for growth
  • Real impact on customers and company direction
  • Fast-moving, high-trust environment
  • Competitive compensation + equity
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