Full-Stack Engineer (Backend Leaning)

About the role

ElevenLabs is seeking a backend-leaning full-stack engineer to join a small team focused on building the next generation of Creative Agents. You will own features end-to-end, from prototyping to production, while shaping the architecture and capabilities of systems that turn ideas into high-quality audio, image, and video. This role involves working in a high-velocity environment to transform experiments into reliable, scalable features based on real customer feedback.

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
• Production systems
• APIs
• Cloud infrastructure
• Storage
• Asynchronous processing
• Agent development
• Prompt engineering
• Execution logic
• Frontend delivery

Nice to have

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

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 through human-like AI voice models and creative platforms. The company serves millions of users and businesses, backed by prominent investors, and operates with a focus on high-velocity experimentation and a global, talent-first team.