Full-Stack Engineer

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 team responsible for the entire lifecycle of agent infrastructure, from backend systems and orchestration to customer-facing features. The role involves turning experiments into reliable production features while using real customer feedback to guide development.

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
• Cloud infrastructure
• APIs
• Asynchronous processing
• Agent development
• Prompt engineering
• System architecture

Nice to have

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

Qualifications

• Evidence of exceptional engineering and shipped products

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 have expanded from voice into three main platforms: ElevenAgents, ElevenCreative, and ElevenAPI, serving millions of users and businesses globally.