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Zyphra Technologies

Research Engineer - Audio & Speech Models

San Francisco, CA Posted 2026-03-17
Type
Full-time
Source
Ashby
ZYPHRA IS AN ARTIFICIAL INTELLIGENCE COMPANY BASED IN SAN FRANCISCO, CALIFORNIA.

THE ROLE:

As a Research Engineer - Audio & Speech Models, you will be a core contributor on Zyphra’s Audio Team, building the next generation of open-source autoencoders, ASR, TTS, SSL, and speech-to-speech models. You will be deeply involved in the entire model training process, from data gathering and processing to designing novel architectures and training methodologies.

YOU’LL WORK ACROSS:

- Large-scale audio training runs

- Performance optimization of our training stack

- Audio dataset collection, processing, and evaluation

- Architecture and training methodology ablations and improvements

WHAT WE'RE LOOKING FOR / REQUIREMENTS:

- Strong research taste and intuition. The ability to work through a research project from conception to execution to write-up.

- Strong implementation and prototyping ability (can take an idea from conception to experimentation quickly)

- The ability to work well with others in a high-paced research setting

- Excellent communication and collaboration skills, and can work effectively on both research and engineering implementation at scale

QUALIFICATIONS / ADDITIONAL SKILLS:

- Expertise and intuition for training models in the audio domain, including text-to-speech, ASR, speech-to-speech, speech-emotion-recognition, or other models

- Experience in training audio autoencoders

- Understanding of signal processing, especially of audio signals

- Experience with diffusion models, consistency models, or GANs

- Experience with training on large-scale (multi-node) GPU clusters

- Strong grasp of proper experimental methodology for running rigorous ablations and other hypothesis testing

- Understanding of and interest in large-scale, highly parallel data processing pipelines

- Proficiency with PyTorch and Python

- Experience contributing to large pre-existing codebases and rapidly getting up to speed

- Previously published machine learning research in well-respected venues

- Postgraduate degree in a scientific subject (Computer Science, EE/EECS, Mathematics, Physics, Machine Learning)

WHY WORK AT ZYPHRA:

- Our research methodology is grounded in methodical, step-by-step approaches to ambitious goals. Both deep research and engineering excellence are equally valued

- We strongly value new and crazy ideas and are very willing to bet big on new ideas

- We move as quickly as we can; we aim to minimize the bar to impact as low as possible

- We all enjoy what we do and love discussing AI

BENEFITS AND PERKS:

- Comprehensive medical, dental, vision, and FSA plans

- Competitive compensation and 401(k) plan

- Relocation and immigration support on a case-by-case basis

- In-office snacks and meals provided

- Unlimited PTO and company holidays

- In-person team in San Francisco with a collaborative, high-energy environment
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Zyphra Technologies is hiring for the research engineer - audio & speech models role. NewJob aggregates active openings directly from Zyphra Technologies's applicant tracking system, so this listing is current. More jobs at Zyphra Technologies →
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