HeyGen

Tech Lead, AI Compute Infrastructure

HeyGen
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6 months ago
Toronto, Canada +4 moreStaff+
H1B Sponsor

Responsibilities

  • Optimize GPU and cluster utilization across thousands of devices for inference, training, data processing, and large-scale deployment of video generation models.
  • Build scalable frameworks for launching and managing heterogeneous compute jobs, including multimodal data processing, distributed model training, and continuous evaluation.
  • Develop observability, tracing, and visualization tools for the compute cluster to diagnose reliability and performance bottlenecks.
  • Collaborate with AI researchers and engineers to integrate custom CUDA kernels and distributed training libraries into production pipelines.
  • Adopt and optimize Kubernetes and Ray for elastic, cost-efficient scaling of distributed systems.

Requirements

  • Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
  • At least 5 years of full-time industry experience in large-scale MLOps, AI infrastructure, or HPC systems.
  • Experience with Ray, Apache Spark, and LanceDB.
  • Strong proficiency in Python and a high-performance language such as C++.
  • Hands-on experience with Kubernetes, Ray, and distributed computing frameworks.
  • Experience with PyTorch, TensorFlow, or JAX.
  • Preferred: Master’s or PhD in Computer Science or a related technical field.
  • Preferred: Demonstrated Tech Lead experience driving projects from conceptual design through production deployment across cross-functional teams.
  • Preferred: Experience building infrastructure for generative AI models such as diffusion models, GANs, or large language models.
  • Preferred: Experience building and operating large-scale data infrastructure for petabytes of multimodal data.
  • Preferred: Expertise in GPU acceleration and low-level compute programming, including CUDA and NCCL.

Benefits

  • Competitive salary and benefits package.
  • Dynamic and inclusive work environment.
  • Professional growth and advancement opportunities.
  • Collaborative culture focused on innovation and creativity.
  • Access to the latest technologies and tools.
HeyGen

About HeyGen

51-200 employees

HeyGen is a message-first AI video platform that helps people and AI agents turn ideas into professional video in minutes. Used by a community of over 30 million users and 85% of the Fortune 100, HeyGen makes it easy to create and share videos seamlessly across languages and formats.