Safety Engineer - Free Tier Abuse

Elevenlabs

United Kingdom 8/9/2026 Full Time

<h2>About ElevenLabs</h2>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 $11B - multiples of 11, always. We have expanded from voice into three main platforms:<ul style="min-height:1.5em"><li>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.</li><li>ElevenCreative empowers creators and marketers to generate and edit speech, music, image, and video across 70+ languages.</li><li>ElevenAPI gives developers access to our leading AI audio foundational models.</li></ul>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.<h2>How we work</h2><ul style="min-height:1.5em"><li>High-velocity: Rapid experimentation, lean autonomous teams, and minimal bureaucracy.</li><li>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.</li><li>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.</li><li>Excellence everywhere: Everything we do should match the quality of our AI models.</li><li>Global team: We prioritize your talent, not your location.</li></ul><h2>What we offer</h2><ul style="min-height:1.5em"><li>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.</li><li>Growth paths: Joining ElevenLabs means joining a dynamic team with countless opportunities to drive impact - beyond your immediate role and responsibilities.</li><li>Learning & development: ElevenLabs proactively supports professional development through an annual discretionary stipend.</li><li>Social travel: We also provide an annual discretionary stipend to meet up with colleagues each year, however you choose.</li><li>Annual company offsite: Each year, we bring the entire team together in a new location - past offsites have included Croatia and Italy.</li><li>Co-working: If you’re not located near one of our main hubs, we offer a monthly co-working stipend.</li></ul><h2>About the role</h2>We're looking for an experienced AI Safety Engineer to drive the deployment and operationalization of automated moderation and guardrail systems that protect our platform and users across a multimodal space, with a particular focus on detecting and preventing abuse of ElevenLabs' free tiers. You'll work alongside a team of ML and full stack engineers to build production-grade safety infrastructure from the ground up.This is a product ownership role where you'll be responsible for end-to-end technical execution of our safety systems, from architecture to deployment and monitoring. You'll bridge the gap between ML research and production-grade systems, ensuring our safety infrastructure is robust, observable, and scalable.<h2>What you'll do:</h2><ul style="min-height:1.5em"><li>Design and build scalable backend infrastructure for abuse detection, deploying AI/ML models into production systems</li><li>Architect robust APIs, data pipelines, and service architectures supporting real-time and batch moderation workflows</li><li>Implement comprehensive monitoring, alerting, and observability systems; establish SLIs, SLOs, and performance benchmarks</li><li>Partner with ML engineers to translate research models into production-ready systems and integrate them across our product suite</li><li>Drive technical decisions and contribute vision to the safety roadmap on how the next generation of platform guardrails should be built for scale and precision.</li></ul><h2>Requirements</h2><ul style="min-height:1.5em"><li>Direct experience tackling free-tier abuse, fraud detection, or fake-account / bot farming at scale</li><li>6+ years of backend software engineering experience building production systems at scale</li><li>Strong production backend experience: distributed systems, APIs, data pipelines, and Python expertise (asynchronous Python, backend frameworks)</li><li>Infrastructure & DevOps proficiency: cloud platforms (AWS/GCP), containerization (Docker/K8s), CI/CD pipelines</li><li>Observability mindset with experience in monitoring tools (Prometheus, Grafana) and building observable systems</li><li>Track record of taking products or systems from 0→1 with measurable impact, including deploying or working alongside ML/AI systems in production</li></ul>Bonus:<ul style="min-height:1.5em"><li>Trust & Safety, Content Moderation, or Integrity engineering experience</li><li>MLOps experience: deployment, monitoring, and versioning of ML models</li><li>Experience with SQL, data analysis tools, real-time streaming systems (Kafka, Redis), or event-driven architectures</li><li>Familiarity with React or modern frontend frameworks</li></ul><h2>Location</h2>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-remoteWe 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.Find <a href="https://www.arbeitnow.co.uk">Jobs in United Kingdom</a> on Arbeitnow</a>

Engineering & Product

Safety Engineer - Free Tier Abuse

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