Research Engineer (AI)

TL;DR

Research Engineer (AI): Building action-conditioned world models and vision-language-action (VLA) models to bridge generative AI and physical systems with an accent on pre-training and post-training pipelines. Focus on developing distributed training infrastructure, sim-to-real transfer strategies, and refining multimodal learning methodologies.

Location: Onsite in San Francisco

Salary: $175K – $275K

Company

hirify.global is a pioneering generative modeling company building a Physical AI team to apply generative models to real-world industry and economy use cases.

What you will do

• Design and implement pre-training and post-training pipelines for action-conditioned world models and VLA models.
• Develop training methodologies including fine-tuning, reinforcement learning, and large-scale multimodal learning.
• Create training and evaluation datasets from simulations using domain randomization and sim-to-real transfer strategies.
• Build distributed training infrastructure using PyTorch, FSDP, and DeepSpeed.
• Work with multimodal data pipelines involving video, sensory inputs, and action sequences.
• Collaborate with industrial partners to adapt generative models for physical AI applications.

Requirements

• Experience with pre-training or post-training on large generative models (video, multimodal, or action-conditioned).
• Hands-on proficiency with PyTorch and distributed training frameworks (FSDP, DeepSpeed).
• Strong fundamentals in machine learning, optimization, and large-scale data processing.
• Familiarity with VLMs, VLAs, or world models.
• BS/MS/PhD in Computer Science, Machine Learning, Robotics, or a related field.
• Must be located in or able to work from the San Francisco office.

Nice to have

• Background in robotics, embodied AI, or sim-to-real transfer.
• Experience with video understanding or temporal reasoning.
• Contributions to research publications.

Culture & Benefits

• Competitive compensation and equity.
• Comprehensive healthcare (Silver PPO Medical, Vision, Dental).
• 401k plan.
• Office perks including lunch and snacks.