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Research Engineer, Generative Video

CaptionsUnion Square, New York CityEngineering
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Salary
$175K – $300K
Job type
Full-time
Posted
28 Sept 2026
Status
Open · checked 7d ago

About this role

Captions seeks a full-time Research Engineer, Generative Video to build and scale the machine learning systems powering its artificial intelligence video generation models in Union Square, New York City. This full-time position suits experienced engineers eager to tackle foundational challenges in generative media and shape the future of creative expression.

Role Overview

Captions is hiring an ML Engineer to work on novel modeling approaches, training objectives, scaling strategies, and inference optimization. This position bridges research and systems engineering to make advanced video generation models faster, highly efficient, and capable of real-time, ultra-low latency generation. The role requires working in-person at the New York City headquarters located in Union Square.

Key Responsibilities

Train and optimize large-scale multimodal and video models.
Enhance efficiency across training and inference regarding memory, cost, and latency.
Apply techniques like quantization, distillation, and pruning to accelerate autoregressive and diffusion generation.
Build and maintain distributed training systems while optimizing GPU utilization, parallelism, and throughput.
Develop debugging, experimentation, and evaluation tooling.
Convert research models into robust systems ready for production.
Monitor and enhance model performance during real-world usage.

Requirements

Bachelor of Science, Master of Science, or Doctor of Philosophy in Computer Science, Machine Learning, or a related discipline.
Minimum of 2 years of professional industry experience.
Deep expertise in deep learning infrastructure and systems.
Strong background in scaling and optimizing large models under strict low-latency inference constraints.
Exceptional performance profiling and debugging abilities.
Capacity to transition rapidly from prototypes to production.

Skills and Tools

PyTorch
CUDA
Triton
Distributed training frameworks including FSDP

Salary and Benefits

Annual salary range between $175,000 and $300,000 in USD.
Comprehensive vision, medical, and dental plans.
401K plan featuring an employer match.
Commuter benefits and health and wellness perks.
Multiple catered lunches every week alongside a nightly dinner stipend for late work hours.
Grubhub subscription.
Monthly team events and multiple team offsites each year.
Generous paid time off policy.

About the Company

Captions operates Mirage, an AI-native video platform that leverages natural language to intelligently orchestrate editing and production. The interdisciplinary team addresses complex creative and technical challenges in generative media. Backed by prominent investors and entrepreneurs like Index Ventures, Kleiner Perkins, Sequoia Capital, and Andreessen Horowitz, the company has received recognition from TechCrunch, Forbes AI 50, and Fast Company.

How to Apply

Interested candidates should visit the official Captions careers page to submit their application for this position.

Skills and tech stack

Questions candidates ask

What is the location of the Research Engineer, Generative Video role?

The position is located in-person at the Captions headquarters in Union Square, New York City.

What is the salary range for this position?

The salary ranges from $175,000 to $300,000 per year.

What experience level is required?

Applicants must have 2 or more years of professional industry experience, along with a degree in Computer Science, Machine Learning, or a related field.

What technical skills are necessary for the job?

Candidates need strong experience in deep learning systems, PyTorch, CUDA, Triton, and distributed training methods like FSDP.

What benefits are provided for full-time employees?

Full-time employees receive medical, dental, and vision plans, a 401K with employer match, commuter benefits, wellness perks, catered lunches, a nightly dinner stipend, a Grubhub subscription, monthly events, offsites, and generous paid time off.

Ready to apply?

The application is on the official Captions careers page.

Apply on company site