Salary
$180k – $250k per year
Location
In office (San Francisco)
Seniority
Middle · 3+ years exp
Employment
Full-Time
Confirmed on the employer's own hiring board on Oct 18, 2026. First seen by Alion on Sep 25, 2026.
Overview
Company
Impact
Profile match
Kalpa Labs is an audio research lab working towards generalist audio models. Our first conversational speech models are in open beta: direct multi-speaker scenes in Studio, talk to a model live, or build on the API.
Backed by Y Combinator
We’re hiring a Founding ML Research Engineer to work work through the full stack across data, pre-training, post-training & evals for training Generalist Audio Models. You’ll work through the entire stack with small team, tons of compute, high autonomy, and see your research ideas making it to production within a week(s).
What you’ll do
- Research better multi-modal architectures & codecs that are efficient across both spoken speech & general audio.
- Post-train audio models to have LLM like instruction following & in-context learning but over both text and audio.
- Build large-scale speech model pre-training and post-training (SFT/RLHF-style, distillation, preference optimization, etc.).
- Build scalable data + compute pipelines: dataset curation, filtering, mixing, tokenization/feature pipelines, evaluation harnesses.
- Look at lots of data & hear lots of audio.
What we’re looking for
- Industry/Academia experience pre-training / post-training large neural networks; speech/audio is a plus but not required, language/vision experience is also relevant.
- Strong ML systems and engineering depth (distributed training, performance, reliability).
- Comfort operating in ambiguity: you can spec, build, debug, and ship.
- A hunger to always ask - what would the next frontier look like?
To apply
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