Full-Stack Engineer (Backend Leaning)

About the role

ElevenLabs is seeking a backend-leaning full-stack engineer to help build and scale the next generation of Creative Agents. You will join a small, high-velocity team to design and operate reliable systems that turn user ideas into high-quality audio, image, and video content. This role involves end-to-end ownership of features, from prototyping and backend infrastructure to customer-facing implementation.

Responsibilities

• Building production agents and expanding their capabilities through prompts, tool use, orchestration, new models and MCP integrations.
• Designing and operating reliable backend systems for asynchronous creative generation and long-running tasks, with strong performance, observability, scalability and security.
• Developing shared evaluations and live quality monitoring, including model-based assessment of image and video outputs.
• Owning features end to end, from identifying user needs and prototyping to shipping across the stack and supporting them in production, alongside product, design and engineering.

Required skills

• Backend engineering
• APIs
• Cloud infrastructure
• Asynchronous processing
• AI agents
• Prompt engineering

Nice to have

• HTTP
• WebSockets
• Multimodal generation
• Creative editors
• MCP

Qualifications

• Evidence of exceptional engineering and products shipped
• Experience operating production systems
• Experience with independent, end-to-end ownership

Benefits

• Annual professional development stipend
• Annual social travel stipend
• Annual company offsite
• Monthly co-working stipend

About the Company

ElevenLabs is an AI research and product company transforming how we interact with technology. They serve millions of users and thousands of businesses, backed by prominent investors including Andreessen Horowitz, ICONIQ Growth, and Sequoia.