Senior Research Engineer
AssemblyAIUnited States
Posted September 26, 2025
240000 - 275000 USD year
Full Time
About the Company
AssemblyAI is a Speech AI company specializing in advanced models for transcribing and analyzing human speech. Our key offerings include AI Speech-to-Text, Audio Intelligence features like summarization and sentiment analysis, and LeMUR, which leverages LLMs to extract insights from transcriptions. AssemblyAI powers innovative experiences for customers such as CallRail, Fireflies, and Spotify, making it a leader in voice data-driven solutions.
Job Description
AssemblyAI is seeking a highly skilled Senior Research Engineer to collaborate on the diagnosis, mitigation, and optimization of performance bottlenecks in large-scale distributed training and inference systems. The role involves driving optimizations for existing pipelines and translating research models into production-ready inference systems. AssemblyAI is a fast-growing startup focused on building at the forefront of Speech AI, helping unlock and support the next generation of powerful AI models.
Requirements
- Strong expertise in Python and major ML frameworks (PyTorch, JAX).
- Experience with lower-level programming (C++ or Rust).
- Deep understanding of GPU acceleration (CUDA, profiling, kernel-level optimization).
- Proven ability to accelerate deep learning workloads using compiler frameworks, graph optimizations, and parallelization strategies.
- Solid understanding of the deep learning lifecycle.
- Excellent communication and collaboration skills.
Benefits
- Competitive Salary
