Full Stack Engineer Backend Leaning Payments Engineering

ElevenLabs is an active AI research and product company offering generative-audio, creative, conversational-agent, and developer platforms.

Series D0 current maintainers0 active leadsTeam intelligence

Maintainer signals as of 9/25/2026

London, United Kingdom
About ElevenLabs

ElevenLabs builds AI products for speech, transcription, voice cloning, dubbing, music, sound effects, and conversational agents. Its current platforms are ElevenCreative for content creation, ElevenAgents for voice and chat agents, and ElevenAPI for developer access to AI audio models.

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Skills

Candidate Availability

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

You will build and evolve payment systems for billing, usage tracking, pricing, and payments. You will scope and safely migrate live systems, implement payment and pricing capabilities, address compliance needs, debug billing issues, and collaborate with finance, tax, sales, and engineering stakeholders.

Requirements

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

Responsibilities

  • Build and maintain accurate, low-latency usage tracking.
  • Lead migrations for enterprise pricing and usage processing.
  • Build stream-processing services for usage events.
  • Improve customer upgrade and payment flows, including support for payment providers.
  • Work with Finance and Tax teams on compliance, audit, and reporting requirements.
  • Enable pricing and growth experiments.
  • Debug complex customer billing scenarios and fix their causes.
  • Scope, plan, and safely roll out system migrations.

Benefits

  • Annual discretionary learning and development stipend.
  • Annual discretionary social travel stipend.
  • Annual company offsite.
  • Monthly co-working stipend for employees not near a main hub.