or apply directly on AssemblyAI's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 15 days AssemblyAI's roles stay open a median of 21 days
- Reposted
- No
- Salary listed
- Yes 95% of AssemblyAI's roles list one
- Ghost-job risk at AssemblyAI
- low 2 stale, 0 reposted of 19 open
- Hiring momentum
- 26 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-09-17
Measured from postings appearing on and disappearing from AssemblyAI's own greenhouse board since 2026-08-03. Full hiring picture for AssemblyAI.
About this role
As a Senior Research Engineer at AssemblyAI, you will focus on enhancing the systems for large-scale distributed training, data processing, and inference within the Voice AI domain. Your role involves improving experimental velocity, maintaining the JAX training framework, analyzing model accuracy, and optimizing production inference for speech language models. Collaboration with researchers and engineers is key, as you will trace issues and implement solutions across various domains.
- benefits
- 1/5
- freshness
- 4/5
- career value
- 5/5
- role clarity
- 5/5
- pay transparency
- 5/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of AssemblyAI as an employer.
What you need
- Expert-level proficiency with JAX and TPUs, including the surrounding ecosystem (Flax, Optax, the XLA compilation pipeline)
- Strong experience optimizing inference systems for production, ideally with LLMs or speech models
- Deep understanding of distributed training at scale, modern deep learning systems, and ML infrastructure best practices
- Strong Python skills; C++ or Rust experience for kernel-level work is a plus
- Excellent communication and a collaborative mindset
Nice to have
- Domain knowledge in Speech-to-Text: ASR architectures, audio processing, streaming inference
What you get
- Salary range: $270,000 - $310,000
Worth weighing
- No specific mention of additional benefits or perks beyond salary
- The role requires a high level of collaboration across multiple teams, which may not suit everyone
- The company emphasizes a fast-paced environment with a focus on ownership, which may be challenging for those used to more structured roles
Summarised from AssemblyAI's posting. Read the full original.
Listed by AssemblyAI on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.
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