# Software Engineer, GPU Performance at Heygen

- Company: Heygen
- What the company does: Create AI videos from your ideas using HeyGen. Input text, image, or audio to create complete videos with narration, captions, visuals, and animations. Backed by Conviction.
- Company website: https://heygen.com
- Type: Startups (AI role)
- Level: Mid level
- Location: Los Angeles, Palo Alto, San Francisco, Toronto, Singapore
- Work setup: On-site
- Posted: 2026-09-28
- Apply by: 2026-11-12
- Apply: https://job-boards.greenhouse.io/heygen/jobs/5250979007?utm_source=1752vc&utm_medium=careers
- Page: https://www.1752.vc/careers/jobs/heygen-software-engineer-gpu-performance/

## About the role

HeyGen is building AI applications including Avatar IV, Photo Avatar, Interactive Avatar, and Video Translation. We’re looking for a Software Engineer focused on GPU performance to make the systems behind these experiences faster and more efficient. You will work across model execution and inference infrastructure, using profiling and measurement to improve latency, throughput, and GPU cost. This role is a fit for an engineer who enjoys understanding how software uses the hardware beneath it. Found on 1752vc Careers, the job board for startup and VC roles.

## What they're looking for

- Experience optimizing GPU-based AI workloads or high-performance computing systems
- Proficiency in Python and experience with PyTorch or a similar machine learning framework
- Strong curiosity about GPU hardware, including memory bandwidth, cache behavior, tensor cores, and data movement between CPU and GPU
- Experience using profiling tools to connect hardware behavior to application-level bottlenecks and validate improvements
- Ability to turn performance experiments into reliable production changes and communicate tradeoffs clearly

Tags: Engineering

Source: 1752vc Careers, https://www.1752.vc/careers/jobs/heygen-software-engineer-gpu-performance/