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HeyGen Tech Stack

AI video generation platform with avatars and text-to-video

Online Audio and Video Media Los Angeles, CA 51–200 employees Founded 2020 Privately Held

HeyGen builds generative AI video creation tools—avatars, text-to-video synthesis, voice localization across 40+ languages—powered by PyTorch and distributed compute (Ray, Kubernetes). The stack reveals a company scaling toward real-time inference: heavy investment in GPU capacity management and ML training infrastructure, paired with mobile-first builds (iOS, Android native code) and aggressive hiring in engineering. Pain points cluster around cost and scale—video generation remains compute-intensive, so the roadmap prioritizes automation, faster output, and GPU scheduling.

Tech Stack 57 technologies

Core StackTypeScript React Python Go JavaScript AWS MySQL Swift SwiftUI Kotlin Jetpack Compose GitHub Copilot Cursor C++ Kubernetes Salesforce PyTorch Azure GCP iOS Android ChatGPT X LinkedIn YouTube Instagram TikTok CSS HTML Git+25 more

AdoptingKubernetes Ray

What HeyGen Is Building

◆Challenges

Scaling video creation
Costly video creation
Scaling costly visual content production
Scalable output without linear headcount growth
Time-to-content compression
Cost structure reduction
Costly and challenging to scale
Automation across accounting function
Qualifying interest
Routing high-value leads

▲Active Projects

Generative models for video and avatar generation
Programmatic success motions
Mobile ai video capabilities
Ai coding assistant integration
Viral short-form video content creation
Scouting new channels and trending content
Turning product features into scroll-stopping content
Next generation data systems for analytics
Gpu capacity management and scheduling
Ml training infrastructure for video genai

Hiring Activity

Accelerating25 roles · 10 in 30d

Department

Engineering

11

Marketing

5

Support

2

Data

1

Finance

1

Ops

1

Product

1

Research

1

Seniority

Mid

10

Senior

7

Manager

4

Junior

2

Intern

1

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About HeyGen

HeyGen is a generative AI video platform founded in 2020 and headquartered in Los Angeles. The product lets users create professional videos using AI avatars and text-to-video without cameras or specialized skills, with voice synthesis available in over 40 languages. The company serves creators, marketers, and enterprises. Active development spans generative models for avatar and video synthesis, mobile AI capabilities, ML training infrastructure, and analytics systems. Current hiring is concentrated in engineering, with secondary focus on marketing and support roles.

HeadquartersLos Angeles, CA

Company Size51–200 employees

Founded2020

Hiring MarketsUnited States

Frequently Asked Questions

What is HeyGen's tech stack?

TypeScript, React, Python, Go, JavaScript across web and mobile (iOS/Android native). Backend: AWS, Azure, GCP, MySQL. ML: PyTorch, Ray for distributed inference. DevOps: Kubernetes, GitHub. Development tools: GitHub Copilot, Cursor, ChatGPT.

What is HeyGen working on?

Generative video and avatar models, mobile AI video capabilities, ML training infrastructure for video generation, GPU capacity management, and AI coding assistant integration. Also scaling content creation workflows and viral short-form video strategy.