HeyGen - Software Engineer, AI Compute Infrastructure
Requirements
• We are looking for a highly motivated engineer with deep experience operating and optimizing AI infrastructure at scale. • Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience. • 5+ years of full-time industry experience in large-scale MLOps, AI infrastructure, or HPC systems. • large-scale MLOps, AI infrastructure, or HPC systems • Experience with data frameworks and standards like Ray, Apache Spark, LanceDB • Ray, Apache Spark, LanceDB • Strong proficiency in Python and a high-performance language such as C++ for developing core infrastructure components. • Python • Deep understanding and hands-on experience with modern orchestration and distributed computing frameworks such as Kubernetes and Ray. • Kubernetes and Ray • Experience with core ML frameworks such as PyTorch, TensorFlow, or JAX. • PyTorch, TensorFlow, or JAX • Master's or PhD in Computer Science or a related technical field. • Demonstrated Tech Lead experience, driving projects from conceptual design through to production deployment across cross-functional teams. • Prior experience building infrastructure specifically for Generative AI models (e.g., diffusion models, GANs, or large language models) where cost and latency are critical. • Generative AI models • Proven background in building and operating large-scale data infrastructure (e.g., Ray, Apache Spark) to manage petabytes of multi-modal data (video, audio, text). • data infrastructure • Expertise in GPU acceleration and deep familiarity with low-level compute programming, including CUDA, NCCL, or similar technologies for efficient inter-GPU communication. • GPU acceleration • CUDA, NCCL • What HeyGen Offers • What HeyGen Offers • Competitive salary and benefits package. • Dynamic and inclusive work environment. • Opportunities for professional growth and advancement. • Collaborative culture that values innovation and creativity. • Access to the latest technologies and tools.
Responsibilities
• You will be the core engineer responsible for building the robust, efficient, and scalable platform that enables our research and production teams to rapidly iterate on HeyGen's generative video models. Your contributions will directly impact model performance, developer productivity, and the final quality of every AI-generated video. • Optimize GPU Utilization: Design and implement mechanisms to aggressively optimize GPU and cluster utilization across thousands of devices for inference, training, data processing and large-scale deployment of our state-of-art video generation models. • Optimize GPU Utilization: • optimize GPU and cluster utilization • state-of-art video generation models • Develop Large-Scale AI Job Framework: Build highly scalable, reliable frameworks for launching and managing massive, heterogeneous compute jobs, including multi-modal high-volume data ingestion/processing, distributed model training, and continuous evaluation/benchmarking. • Develop Large-Scale AI Job Framework: • Enhance Observability: Develop world-class observability, tracing, and visualization tools for our compute cluster to ensure reliability, diagnose performance bottlenecks (e.g., memory, bandwidth, communication). • Enhance Observability: • observability, tracing, and visualization tools • Accelerate Pipelines: Collaborate closely with AI researchers and AI engineers to integrate innovative acceleration techniques (e.g., custom CUDA kernels, distributed training libraries) into production-ready, scalable training and inference pipelines. • Accelerate Pipelines: • Infrastructure Management: Champion the adoption and optimization of modern cloud and container technologies (Kubernetes, Ray) for elastic, cost-efficient scaling of our distributed systems. • Infrastructure Management: • Kubernetes, Ray
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