[Remote] Staff AI Engineer (Audio)

Note: The job is a remote job and is open to candidates in USA. Reality Defender is an award-winning cybersecurity company focused on detecting deepfakes and AI-generated media. They are seeking a Staff AI Engineer (Audio) to develop and deploy cutting-edge audio deepfake detection models, collaborating with multiple teams to ensure model robustness and performance in real-world scenarios.ResponsibilitiesDesign, build, and optimize ML/DL models for production-scale audio deepfake detection, ensuring robustness across diverse real-world conditions including compression artifacts, noise, telephony, and streaming pipelinesPartner with clients to develop a deep understanding of their production environments and define model performance criteriaInvestigate failure cases in client environments, build custom evaluation frameworks, and implement mitigation strategies spanning both Engineering and AIDesign and execute structured experimentation roadmaps aligned with client requirements and proactive system resilience goals. Translate findings into clear and actionable insightsMonitor, measure, and report on model performance in production using data analytics and AI observability tools (e.g. Datadog, Metabase). Identify degradation trends, data drift, and emerging threat patterns before they impact client outcomesBuild and maintain dashboards and analytics pipelines that surface model health metrics, enabling data-driven decisions across AI, Engineering, and Product teamsCollaborate with cross-functional partners — Applied Scientists, Deployment Engineers, and Product teams — to deploy scalable, production-grade models with clear performance benchmarks and monitoring in placeSkillsPhD in Computer Science, Machine Learning, Signal Processing, or related field (or equivalent industry experience)2+ years of industry experience building and deploying ML/DL models for AI productsStrong programming skills in Python and model ML frameworks (PyTorch, JAX)Solid understanding of audio processing fundamentals, classification and detection metrics (ROC, DET curves, precision/recall trade-offs), model robustness and evaluationProven experience with large-scale training and benchmarking pipelinesPrior experience in a client-facing or solutions-oriented AI role is a plusPreference for candidates comfortable with EST work hoursBenefitsHealthcare plans with 100% premium coverage for employees and partial coverage available for dependentsDental and Vision plans with 100% premium coverage for employees and their dependentsShort/Long-term disability and life insurance plans with 100% premium coverage for employeesFSA/HSA and 401k programsEquity compensation20 days of PTO per year12 weeks of Parental LeaveLearning and Development budgetMonthly wellness benefitsAnnual company-sponsored offsiteDaily in-office lunch through UberEatsCommuter benefitsRemote FridaysHappy Hours and other local eventsCompany OverviewReality Defender is the market leader in deepfake detection. Sign up for free at https://www.realitydefender.com/api It was founded in 2021, and is headquartered in New York, New York, USA, with a workforce of 51-200 employees. Its website is https://realitydefender.com.Company H1B SponsorshipReality Defender has a track record of offering H1B sponsorships, with 2 in 2025, 2 in 2024, 2 in 2023. Please note that this does not guarantee sponsorship for this specific role.