Full-Stack Engineer - Ads Engine

Remote · Poland · Bulgaria · Full-time · Remote · Posted Oct 13, 2026

At a glance

ElevenLabs is an AI research and product company transforming how we interact with technology.
We launched in January 2023 with the first human-like AI voice model. Today, we serve millions of users and thousands of businesses - from fast-growing startups to large enterprises like Deutsche Telekom and Meta. Our investors are some of the world's most prominent, including Andreessen Horowitz, ICONIQ Growth and Sequoia. We've raised $781M in funding and our last valuation was $22B - multiples of 11, always.
We have expanded from voice into three main platforms:
- ElevenAgents enables businesses to deliver seamless and intelligent customer experiences, with the integrations, testing, monitoring, and reliability necessary to deploy voice and chat agents at scale.
- 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.

The Full-Stack Engineer for the Ads Engine will build a learning ads engine that plans, generates, localizes, launches, and evaluates ads across major ad platforms using ElevenLabs' audio and video stack.
As a founding engineer for this product area, you will operate without a product manager or handed-down spec, talking directly to users, deciding what to build, and shipping across the stack from data pipelines and agent tools to the UI.

Talk to users to determine what to build first and why
Ship products across the full stack, from data pipelines and agent tools to the UI
Feed competitive intelligence into the engine's weekly briefs
Launch new ad formats

Has built and shipped a product end-to-end without anyone handing them a spec, ideally as a founder or one of the first engineers
Strong full-stack product engineer (frontend- or backend-leaning is fine) who can build a pipeline, an agent tool and the UI
Builds with LLMs and agents pragmatically: tools, retrieval and evals, not model research
Talks to users without being asked, and can say what they’d build first and why

Remote-first, executable from anywhere between the US East Coast and India with the ability to operate in European timezones required
Optional office presence available in Bangalore, Dublin, London, New York, and Warsaw