Senior Researcher jobs in United States
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AssemblyAI · 8 hours ago

Senior Researcher

positionUnited States
timeFull-time
remoteRemote
senioritySenior Level
money$210K/yr - $309K/yr

AssemblyAI is at the forefront of Speech AI, creating powerful models for speech-to-text and speech understanding. The Senior Researcher will develop novel architectures and algorithms for streaming speech recognition and understanding, driving research from experimentation to production deployment.

Artificial Intelligence (AI)Developer APIsFoundational AIGenerative AIInformation TechnologySpeech Recognition
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H1B Sponsor Likelynote

Responsibilities

Design and develop novel streaming ASR architectures, pushing the boundaries of accuracy-latency tradeoffs in production systems
Research and prototype LLM-assisted speech-to-text —exploring how large language models can enhance streaming speech recognition and understanding
Develop new algorithms for streaming speaker diarization, contextual biasing, and multilingual speech recognition
Drive research from initial experimentation through rigorous evaluation to production deployment, working closely with engineering teams
Conduct systematic experiments on internal and public benchmarks, with careful attention to evaluation methodology and statistical rigor
Contribute to technical publications and represent AssemblyAI's research at top venues
Collaborate on research direction and technical strategy, helping shape the roadmap for Speech AI capabilities

Qualification

Speech recognitionLarge language modelsStreaming architecturesPyTorchDistributed trainingExperimental methodologyTechnical publicationsCommunication skills

Required

Strong research background in speech recognition, with deep understanding of classic streaming architectures (RNN-T, CTC) and modern attention mechanisms
Expertise in LLMs and language modeling, with ability to bridge speech and language model research
Proficiency in PyTorch and JAX/Flax—you can move fluidly between frameworks and implement complex architectures from scratch
Experience with large-scale distributed training and the practical challenges of scaling speech models
Track record of publications at top venues (ICASSP, Interspeech, NeurIPS, ICML) or equivalent industry impact
Strong experimental methodology—systematic approach to ablations, careful baseline comparisons, and rigorous evaluation
Ability to translate research insights into production-ready solutions; comfort working at the interface of research and engineering
Excellent communication skills—can articulate complex technical ideas clearly and collaborate effectively across teams

Company

AssemblyAI

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AssemblyAI is an artificial intelligence company that engages in building a platform of APIs to transcribe and understand audio data.
dateFounded in 2017
location
San Francisco, California, USA
people-size51-200 employees
web-link
https://www.assemblyai.com

H1B Sponsorship

AssemblyAI has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2024 (1)

Funding

Current Stage
Growth Stage
Total Funding
$113.12M
Key Investors
AccelInsight Partners
2023-12-03Series C· $50M
2022-07-14Series B· $30M
2022-03-04Series A· $28M

Leadership Team

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Dylan Fox
Founder & CEO
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Recent News

EIN Presswire
Driving with 17.8% CAGR | Speech-to-Text API Market Reach USD 12.1 Billion by 2031
2025-11-24
Crunchbase News
Why Big Investors Are All Ears For Voice AI Startups
2025-09-10
EIN Presswire
Speech-to-Text API Market Growing at 17.8% CAGR | Reach USD 12.1 Billion by 2031 Globally
2025-07-15
Company data provided by crunchbase