Full-Stack Engineer – Backend Leaning
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Job Description
Backend-leaning full-stack engineer building ElevenAI’s real-time voice assistant. Developing reliable AI features, monitoring, and production systems at ElevenLabs.
Responsibilities:
- Design and operate the real-time backend behind ElevenAI, including streaming speech-to-text, long-running meeting and notes workflows, and services for web, desktop, and mobile apps
- Build reliable AI-powered features such as summaries, actions, and integrations with calendars and meeting platforms
- Develop evaluations and live quality monitoring for real-user product quality
- Own production reliability through observability, security, and data-handling practices
- Participate in the on-call rotation
- Own features end to end, shipping across the stack and into the frontend when needed
- Collaborate with product, design, and engineering
- Discover effective approaches, turn experiments into reliable features, and use user feedback to guide priorities
Requirements:
- Strong backend engineering skills and experience operating production systems
- Sound fundamentals in APIs, cloud infrastructure, storage, and asynchronous processing
- Experience building reliable real-time systems, including streaming, WebSockets, and background workers
- Ability to recover from failures gracefully
- Hands-on experience shipping LLM-powered features
- Understanding of prompts, tools, retrieval, and evaluations
- Strong product sense and evidence of independent, end-to-end ownership
- Confidence working across the stack when needed
- Comfortable working in a small, fast-moving team
- Clear communication and good judgement about what to build next
- Ability to operate in GMT-5 to GMT+8 timezones
- Bonus: experience with speech or audio systems, calendar and meeting integrations, privacy-sensitive user data, or mobile-client backends
Benefits:
- Annual discretionary professional development stipend
- Annual discretionary stipend for social travel to meet colleagues
- Annual team offsite in a new location each year
- Monthly co-working stipend for employees not near a main hub
- Remote-first/global work arrangement
- Option to work from offices in London, New York, and Warsaw
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