ElevenLabs
Full-Stack Engineer (Backend Leaning) - CreativeVoices
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United Kingdom
Confirm work authorization, visa sponsorship and location requirements with the employer.About ElevenLabs
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.
Everything we do is the result of the creativity and commitment of our team - builders doing the best work of their lives. We are researchers, engineers, and operators. IOI medalists and ex-founders. If you want to work hard and create lasting positive impact, we want to hear from you.
How we work
High-velocity: Rapid experimentation, lean autonomous teams, and minimal bureaucracy.
Impact not job titles: We don’t have job titles. Instead, it’s about the impact you have. No task is above or beneath you.
AI first: We use AI to move faster with higher-quality results. We do this across the whole company—from engineering to growth to operations.
Excellence everywhere: Everything we do should match the quality of our AI models.
Global team: We prioritize your talent, not your location.
What we offer
Innovative culture: You’ll be part of a generational opportunity to define the trajectory of AI, surrounded by a team pushing the boundaries of what’s possible.
Growth paths: Joining ElevenLabs means joining a dynamic team with countless opportunities to drive impact - beyond your immediate role and responsibilities.
Learning & development: ElevenLabs proactively supports professional development through an annual discretionary stipend.
Social travel: We also provide an annual discretionary stipend to meet up with colleagues each year, however you choose.
Annual company offsite: Each year, we bring the entire team together in a new location - past offsites have included Croatia and Italy.
Co-working: If you’re not located near one of our main hubs, we offer a monthly co-working stipend.
About the role
We are looking for an experienced backend-leaning full-stack engineer to build and scale the voice systems at the core of ElevenLabs.
Creative Voices owns the voice and speech products inside ElevenCreative, including Text-to-Speech, Speech-to-Text, Voice Changer, Voice Isolator, Voice Library and Voice Cloning. You will join a small team turning frontier speech research into products used by millions.
You will own backend architecture and production systems, working closely with research engineering and security. Your responsibilities will include:
Modernising voice architecture, including data models, storage and APIs.
Making voice cloning and fine-tuning pipelines reliable through monitoring, retries and failure recovery.
Building voice creation, verification and recommendation capabilities.
Owning workstreams from design to production, including frontend changes where needed.
Requirements
Strong backend engineering experience building and scaling high-traffic production systems.
Strong system design and database fundamentals, including data modelling, concurrency, migrations and security.
Experience operating production services, with strong debugging, monitoring and failure recovery skills.
Independent ownership, clear communication and the drive to ship quickly, with confidence working across the stack.
We value engineering fundamentals over specific languages or databases. Prior audio experience is not required. Experience modernising complex systems or building in a high-growth company is a plus.
We are an equal opportunity employer and do not discriminate on the basis of race, religion, national origin, gender, sexual orientation, age, veteran status, disability or other legally protected statuses.
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