Senior Billing Manager

Posted 2 Days Ago
Be an Early Applicant
7 Locations
In-Office or Remote
190K-230K Annually
Senior level
Artificial Intelligence • Information Technology • Software
The Role
Own enterprise accounts receivable and billing operations for a fast-growing SaaS company. Build invoicing, collections, cash application, and controls from scratch; manage enterprise disputes, aging, DSO, and usage-based contracts; select and automate billing tools; collaborate with Sales, Customer Success, customers’ AP teams, and contract accountants; and report on AR health while establishing scalable finance processes.
Summary Generated by Built In
ABOUT RETELL AI

Retell AI is using first-principles thinking to reimagine the call center with cutting-edge voice AI. Thousands of companies now use Retell's AI voice agents to handle sales, support, and logistics calls that once required large teams of human agents. Backed by Y Combinator, Alt Capital, and other leading investors, we've scaled to $80M in ARR with a team of 50, up from $5M at the start of 2025, and are now valued at over $1.5B.

Our vision for 2026 is to build a modern CX platform where entire contact centers are powered by AI. Instead of basic automation that needs constant human tuning, we're creating intelligent AI “workers” that act as frontline agents, QA analysts, and managers, continuously executing, monitoring, and improving every customer interaction.

We're growing fast and looking for ambitious builders who want to tackle hard technical problems, move quickly, and have a real impact on one of the fastest-growing voice AI companies in the world.

Let's build the future together.

Recent recognition:

  • No. 1 Best Places to Work in the Bay Area, San Francisco Business Times 2026

  • Top 50 AI Apps, a16z (2025)

  • #3 Fastest-Growing Software Company, G2 Best Software Awards 2026

  • Best Agentic AI Software, G2 Best Software Awards 2026

  • #4 Fastest-Growing Software Vendor, Brex Benchmark 2025

  • Enterprise Tech 30 Class of 2026, Nasdaq & Wing VC

  • Top-Ranked Startup, Lean AI Leaderboard

  • Backed by Y Combinator

 
ABOUT THE ROLE

Retell AI transforms customer experience with voice AI for enterprises, including customers like CVS/Aetna, American Airlines, Lenovo, and Grab. We have more customer stories than we can tell!

We're hiring our first billing owner. Revenue has grown from $5M to $80M ARR in under two years, with enterprise and usage-based contracts now flowing through the business. You'll build billing, AR from scratch: the processes, systems, and controls, and eventually the team.

KEY RESPONSIBILITY

This hire owns enterprise accounts receivable, built from zero to one: invoices out on time, cash in predictably.

  • Build the enterprise AR process from scratch: invoicing, collections cadence, and cash application.

  • Own collections for enterprise accounts: aging, DSO, and disputes.

  • Set up invoicing for large contracts, including committed-spend and usage-based terms.

  • Work with Sales, Customer Success, and customers' AP teams on escalations.

  • Choose and set up the AR and billing tools; automate what you can.

  • Guide the contract accountants and report on AR health.

WHAT WE'RE LOOKING FOR

Must have:

  • 6+ years in AR, billing, or collections, including enterprise B2B.

  • Has built an AR or collections process from scratch at a high-growth SaaS or usage-based company.

  • Hands-on with billing and finance tools (e.g., Stripe, NetSuite, QuickBooks).

  • Confident working with large customers' AP and procurement teams.

  • Solid accounting fundamentals: AR aging, cash application, reconciliations.

Nice to have:

  • Experience with usage-based or committed-spend contracts.

  • CPA or audit experience.

  • First finance ops hire at a startup.

HOW WE EVALUATE

We care less about checkboxes and more about:

  • Zero-to-one building: how you set up AR where none existed.

  • Collections results: lower DSO and fewer aged balances.

  • Judgment with large enterprise customers in invoice disputes.

  • Ownership under ambiguity.

YOU MIGHT THRIVE IF
  • You'd rather ship a v1 in a week than plan for a month.

  • You're equally at home in a spreadsheet and on a call with a customer's AP team.

  • You want to set the foundation for how we get paid.

 
JOB DETAILS

Cash: $190,000 - $230,000

Equity: 4-year vest / 1-year cliff

Location: Redwood City, California (Relocation support provided)

US Visas: Retell AI is open to sponsoring work authorization for qualified candidates, including H-1B, TN, L-1, E-3, and F-1 (OPT/CPT).

 
OTHER BENEFITS
  • 100% coverage for medical, dental, and vision insurance

  • $70/day DoorDash credit for breakfast, lunch, dinner, and snacks

  • $200/month wellness reimbursement (gym, fitness classes, etc.)

  • $300/month commuter reimbursement (gas, Caltrain, etc.)

  • $75/month phone bill reimbursement

  • $50/month internet reimbursement

 
COMPENSATION PHILOSOPHY
  • Best offer upfront: Choose from three cash-equity balance options; no negotiation needed

  • Top 1% talent: Above-market pay (top 5th percentile) to attract exceptional builders

  • High ownership: small teams, >$1M revenue per employee, and significant equity

  • Performance-based: Offers tied to interview performance, not tenure or past salary

 
INTERVIEW PROCESS
  • Recruiter round: background and a basic process design discussion (billing-to-cash flow)

  • First round (45 min): usage-to-invoice reconciliation working session; be ready to share your screen

  • Second round (30 min): hiring manager conversation

  • Onsite (about 3 hours):

    • Design billing and collections for an enterprise deal (1 hr)

    • Disputed invoice role-play with a customer's AP lead (30 min)

    • Cross-functional conversations (30 min)

Skills Required

  • 6+ years of experience in accounts receivable, billing, or collections, including enterprise B2B experience
  • Experience building an AR or collections process from scratch at a high-growth SaaS or usage-based company
  • Hands-on experience with billing and finance tools such as Stripe, NetSuite, or QuickBooks
  • Confidence working with large customers’ accounts payable and procurement teams
  • Solid accounting fundamentals, including AR aging, cash application, and reconciliations
  • Experience with usage-based or committed-spend contracts
  • CPA or audit experience
  • Experience as the first finance operations hire at a startup

Retell AI Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Retell AI and has not been reviewed or approved by Retell AI.

  • Fair & Transparent Compensation — Compensation is presented as above-market with a “Best Offer Upfront” approach and disclosed cash–equity options tied to interview performance. Public ranges for key roles indicate clearly communicated bands and meaningful equity components.
  • Healthcare Strength — Health coverage is described as 100% employer-paid for medical, dental, and vision. This signals comprehensive protection without employee premium costs.
  • Wellbeing & Lifestyle Benefits — Daily meals via credits or unlimited catering, plus reimbursements for gym, commuting, phone, and internet, are prominently offered. These benefits reduce day-to-day expenses and support convenience and wellness.

Retell AI Insights

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The Company
HQ: San Carlos, California
73 Employees
Year Founded: 2023

What We Do

Retell is the #1 voice AI agent platform, enabling you to build, test, deploy, and monitor voice AI agents. Industries such as healthcare, insurance, financial services, and logistics use Retell to automate and enhance call operations.

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