Suggested rewrite: Led a cross-functional initiative that improved [business outcome] by [measurable result], demonstrating experience relevant to this role...
Full-Stack Engineer – ElevenAPI
- Remote from
- Europe
- Salary
- Undisclosed
- Department
- Software Engineering
- Employment
- Full Time
- Experience
- Open level
- Published
- Apply before
- 10 Dec 2026
- Listing views
- 19
- Application actions
- 2
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About this role.
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 team offsite: Each year, we bring your entire team together in a new location – past offsites have included Croatia, Italy and Cancún
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 a Full-Stack Engineer to make building with ElevenLabs easier, from a developer’s first API key to a successful production integration.
Developer Growth owns the surfaces developers and their agents use: our SDKs, API, documentation and ElevenAPI dashboard. This role focuses on the dashboard and product flows, helping self-serve and enterprise developers get started, understand their usage and get more value from ElevenLabs.
You will join a small, remote team and own features across frontend and backend. You will use direct user feedback and experiments to decide what to build, combining strong engineering with a careful eye for developer experience.
Your responsibilities will include:
Improving the ElevenAPI dashboard so developers can manage integrations and understand how their applications and agents use ElevenLabs.
Streamlining onboarding, helping developers create API keys, get started with agents and reach their first successful integration.
Designing and shipping experiments to improve activation, API key creation and self-serve subscriptions, then using the results to guide further changes.
Owning features from discovery and design through frontend, backend, deployment and iteration, working closely with the team and learning from users.
There is scope to grow into technical and team leadership over time, depending on your experience and impact.
Requirements
Strong full-stack engineering skills, with particular strength in frontend development and confidence building backend services and APIs.
Strong product judgement and attention to UX, with evidence of making complex workflows intuitive for developers.
Experience using user feedback, product data and experimentation to prioritise work and improve measurable outcomes.
Independent, end-to-end ownership, clear communication and genuine enthusiasm for developer tools and developer experience.
Experience managing or mentoring a small team of software engineers
Prior generative audio experience is not required. Experience building developer-facing products, API dashboards or onboarding flows is particularly valuable. Previous technical or team leadership experience is a plus.
Location:
This role is remote and can be executed globally. If you prefer, you can work from our offices in London, New York, San Francisco, and Warsaw.
#LI-Remote
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.
Annual salary information is not provided for this position. Explore salary ranges for similar roles in our Salary Directory ›
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Sample interview questions
I would first instrument the flow to measure completion, time spent, validation errors, and step-level abandonment. I would combine that data with developer interviews and session feedback, form hypotheses, then ship a focused experiment such as simplifying fields, clarifying permissions, or adding contextual guidance. I would evaluate the result against activation and successful first-integration metrics before scaling the change.
I would start by defining the developer problem, target users, expected outcome, and baseline metrics. I would validate the workflow through customer feedback and lightweight prototypes, define API and data requirements, and implement the feature incrementally with observability and analytics built in. After release, I would monitor usage and qualitative feedback to prioritize follow-up iterations.
I prioritize clarity, fast feedback, sensible defaults, and progressive disclosure of complexity. Technical users need accurate terminology, transparent status information, useful error messages, and easy access to documentation or examples. I also ensure the UI is responsive, accessible, and consistent with the underlying API behavior.
I use feature flags, staged rollouts, automated testing, monitoring, and clear rollback paths. Experiments should isolate the variable being tested without compromising core workflows such as authentication, billing, or API access. I define success and guardrail metrics before launch so speed does not come at the cost of reliability or user trust.
I create clear technical context, set outcome-oriented expectations, and provide timely design and code feedback. I use pairing, architecture discussions, and post-launch reviews to help engineers grow their judgment rather than simply prescribing solutions. At the same time, I retain accountability for high-impact decisions and unblock the team when priorities or dependencies change.
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