Otter.ai

Senior Applied Scientist, Speech

Otter.ai$230K — $265K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's or Master's degree in Computer Science or related field; PhD preferred.
  • 5+ years of relevant industry experience in machine learning and speech systems.
  • Hands-on experience with building and fine-tuning ASR and TTS models in production.
  • Strong command of modern machine learning research and evaluation methodology.
  • Experience in deploying and operating ML systems at scale.
  • Proficient in managing large-scale conversational datasets for model training.
  • Ability to lead technical projects and make architectural decisions independently.

Responsibilities

  • Architect large-scale ASR and TTS systems for critical product experiences.
  • Lead design and implementation of strategies for speech model training and inference.
  • Design and optimize model architectures and training techniques for speech applications.
  • Manage end-to-end ML system lifecycle from research to production deployment.
  • Collaborate with product and infrastructure teams to create scalable systems.
  • Enhance model performance and robustness using real-world data.
  • Establish technical direction and best practices for ML infrastructure and workflows.
  • Mentor engineers and promote strong technical standards and decision-making.

Benefits

  • Opportunity to work with industry veterans in AI and machine learning.
  • Engagement in cutting-edge research and its practical applications.
  • Mentorship and professional development opportunities.
  • Inclusive work environment with emphasis on collaboration.
  • Openness to exploring agentic systems and advanced ML orchestration.
Full Job Description
The OpportunityDo you want to lead projects to build and deploy cutting-edge AI technology to help people get unparalleled value from meetings and conversations? Join our core AI team responsible for ML and work alongside industry-veteran scientists and engineers. As a Senior Applied Scientist, you'll bring your strong software engineering mindset to machine learning in order to scale and optimize our speech systems-creating and transforming innovative research into production-ready features that power Otter's summarization and conversational intelligence products.

Your Impact
  • Architect, build, and evolve large-scale ASR and TTS systems that power mission-critical product experiences including speech understanding across millions of conversations.
  • Lead the design and implementation of training, fine-tuning, post-training, and inference strategies for speech models using PyTorch making principled trade-offs across quality, latency, cost, and reliability.
  • Design and improve model architectures, loss functions, decoding strategies, and training techniques for speech models, informed by both research and production constraints.
  • Own end-to-end ML system lifecycles, from research prototyping through production deployment, monitoring, iteration, and long-term maintenance.
  • Partner deeply with product, and infrastructure teams to develop and translate cutting-edge research into scalable, production-grade systems that deliver measurable user and business impact.
  • Drive system-level improvements in model performance, robustness, observability, and operational excellence using real-world conversational data at scale.
  • Set technical direction and best practices for ML infrastructure, data pipelines, evaluation frameworks, and deployment workflows in a cloud environment.
  • Identify and resolve complex, ambiguous problems in model behavior, data quality, scaling, and system interactions, often before they surface as user-visible issues.
  • Mentor and elevate other engineers, influencing team standards, reviewing designs, and contributing to a culture of strong technical decision-making and execution.

We're Looking for Someone Who
  • Holds a Bachelor's or Master's degree in Computer Science or a related field with 5+ years of relevant industry experience; PhD is preferred.
  • Has deep, hands-on experience building and fine-tuning speech or foundation models, with production experience in ASR and/or TTS systems.
  • Demonstrates strong command of modern ML research, with the ability to critically evaluate new papers and drive innovation by identifying what is production-worthy versus experimental.
  • Has experience deploying, scaling, monitoring, and operating ML systems in production across training, inference, and serving infrastructure.
  • Is comfortable working with large-scale speech and conversational datasets, including data preprocessing, augmentation, quality analysis, and labeling strategies to support model training and evaluation.
  • Can lead technical projects independently, driving clarity in ambiguous problem spaces and making sound architectural decisions.
  • Has experience with or strong interest in agentic systems, tool-use frameworks, or multi-model orchestration.

Salary range

Salary Range: $230,000 to $265,000 USD per year.

This salary range represents the low and high end of the estimated salary range for this position. The actual base salary offered for the role is dependent based on several factors. Our base salary is just one component of our comprehensive total rewards package.
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About Otter.ai

Otter.ai is an AI-powered transcription service that uses machine learning algorithms to transcribe audio and video recordings. The platform is used by businesses, journalists, and other professionals to transcribe interviews, meetings, and other recordings. Otter.ai's platform is designed to be easy to use and offers a range of features, including real-time transcription and collaboration tools.
Learn more about Otter.ai
Size
100 employees
Industry

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