Full-Stack Engineer (Backend Leaning) - Payments Engineering

About the Position

Full-Stack Engineer (Backend Leaning) - Payments Engineering

About ElevenLabs

ElevenLabs is an AI research and product company transforming how we interact with technology. We serve millions of users and thousands of businesses, from fast-growing startups to large enterprises like Deutsche Telekom and Meta. Our investors include prominent firms such as Andreessen Horowitz, ICONIQ Growth, and Sequoia. We've raised $781M in funding and our last valuation was $22B.

We have expanded from voice into three main platforms:

• ElevenAgents: Enables businesses to deliver seamless and intelligent customer experiences.
• ElevenCreative: Empowers creators and marketers to generate and edit speech, music, image, and video across 70+ languages.
• ElevenAPI: Gives developers access to our leading AI audio foundational models.

About the Role

The Payments team at ElevenLabs is responsible for billing, usage tracking, pricing, and payments across self-serve and enterprise. This role is critical as it underpins the company's revenue and is immediately visible to every customer and team.

As a Full-Stack Engineer (Backend Leaning), you will:

• Build and maintain usage tracking to ensure accurate metering without impacting latency.
• Lead the migration of enterprise pricing and usage processing, including new stream-processing services for usage events.
• Simplify customer upgrades and payments, including support for different entities and new payment providers.
• Collaborate with Finance and Tax teams to meet compliance, audit, and reporting requirements.
• Enable pricing and growth experiments with Growth and product teams.
• Debug complex customer billing scenarios by analyzing customer experiences, logs, and code.
• Work closely with Sales, FDEs, Finance, and engineers across the company.

Responsibilities

• Building and maintaining usage tracking.
• Leading migration of enterprise pricing and usage processing.
• Simplifying customer upgrades and payments.
• Collaborating with Finance and Tax teams.
• Enabling pricing and growth experiments.
• Debugging complex customer billing scenarios.
• Collaborating with cross-functional teams.

Requirements

• Expertise in Python.
• Strong background in backend development.
• Experience with APIs, cloud infrastructure, storage solutions, data structures.
• Strong test design and security fundamentals.
• Attention to detail when changing live systems that handle money.
• Ability to learn a large existing system quickly and debug complex production issues.

Bonus Skills:

• Experience with payment processing providers or billing and usage-based pricing systems.
• Experience with stream processing or high-throughput event pipelines.
• Experience working with finance, tax, or audit requirements.
• Experience with Kubernetes.

Location

Our team is based across the UK, EU, and US, with main hubs in London, New York, San Francisco, and Warsaw. We are flexible for exceptional candidates and offer remote work options.

We Offer

• Innovative culture: Be part of a generational opportunity to define the trajectory of AI.
• Growth paths: Join a dynamic team with countless opportunities to drive impact.
• Learning & development: Annual discretionary stipend for professional development.
• Social travel: Annual discretionary stipend to meet up with colleagues.
• Annual company offsite: Team gatherings in new locations each year.
• Co-working: Monthly stipend for co-working if not located near our main hubs.

About the Company

ElevenLabs is an equal opportunity employer and does not discriminate on the basis of race, religion, national origin, gender, sexual orientation, age, veteran status, disability, or other legally protected statuses.

Careers

Explore more about our culture and join our Engineering & Product department.