Senior Speech ML Engineer — TTS & Voice Tech (Remote)

Devconnectplatform; United States; Remote; USD 150,000 - 210,000; Full time

Benefits offered by this job

Medical/Dental/Vision insurance

Equity opportunity

Paid time off 42 days

401(k)

Job summary

Cantina, a social platform building AI-driven characters, is hiring a Senior ML Engineer for its Speech Team. You will drive end-to-end development of state-of-the-art speech systems, from data specs to production inference, focusing on safe, steerable AI and scalable pipelines.

Join a fast-moving team as you architect and optimize large-scale audio models, lead experiments, and collaborate with research, data, and infra to ship reliable solutions with strong performance and cost awareness.

Qualifications

• Exceptional research/development experience with large-scale audio models (>3B parameters and >500k hours data).
• Strong understanding and hands-on experience with transformer architectures and/or diffusion models (incl. distillation/streaming).
• Proven ability to multi-node / multi-GPU distributed model training.
• Solid software engineering skills with production-quality code. Has shipped large-scale speech/audio models to production.
• Publications or notable open-source contributions in speech/audio/ML.

Responsibilities

• Architect, implement, pre-train, fine-tune, and post-train alignment for large-scale speech models.
• Independently lead small research projects while collaborating on larger initiatives.
• Design, run, and analyze experiments to advance model understanding.
• Develop and improve dev tooling to boost team productivity.
• Contribute to the full stack from low-level optimizations to high-level model design.
• Define data requirements and collaborate on data acquisition, labeling quality, and synthetic data strategies.
• Design automated evaluations and robustness/bias checks; conduct red-team studies.
• Harden training → evaluation → inference pipelines; monitor latency and cost; ensure SLAs.

Skills

Transformer models

Diffusion models

Distributed training

PyTorch

Profiling

Speech/audio ML

Tools

CUDA

Triton

C++

Python

PyTorch

Job description

Cantina, a social platform building AI-driven characters, is hiring a Senior ML Engineer for its Speech Team. You will drive end-to-end development of state-of-the-art speech systems, from data specs to production inference, focusing on safe, steerable AI and scalable pipelines.

Join a fast-moving team as you architect and optimize large-scale audio models, lead experiments, and collaborate with research, data, and infra to ship reliable solutions with strong performance and cost awareness.