ML Engineer, Agentic Systems

Mirage is an AI-native video platform that intelligently orchestrates production and editing through natural language. They leverage contextual awareness to execute creative decisions, dramatically improving productivity and making video creation accessible to anyone. Mirage is backed by prominent investors including Index Ventures, Kleiner Perkins, Sequoia Capital, Andreessen Horowitz, and General Catalyst.

Introduction

Mirage is an AI-native video platform that orchestrates video production and editing using natural language. Their models integrate contextual awareness to mimic professional editors, significantly enhancing productivity for experienced users and democratizing video creation. As an early team member, you will tackle fundamental challenges in generative media, making a substantial impact on the future of creative expression.

Responsibilities

• Design and build end-to-end agentic systems for creative tasks.
• Develop novel approaches for training and adapting large language models that power these agents.
• Design new objectives, datasets, and fine-tuning strategies to improve agent behavior and reliability.
• Explore multimodal reasoning and structured generation for creative control.
• Run systematic experiments to evaluate and improve agent performance in real-world tasks.
• Design evaluation frameworks for agentic workflows in video analysis and editing.
• Analyze failure modes across the full agent loop (planning, tool use, execution) and iterate on improvements.

Requirements

• BS/MS/PhD in CS, ML, or a related field.
• Strong track record building production ML systems or agentic pipelines.
• Deep understanding of transformers and modern LLM techniques.
• Experience with fine-tuning, alignment, or post-training methods, especially for adapting models to generate structured outputs or drive tool use.
• Comfort owning the full stack, from model-level experiments to deployed agent systems.
• Strong experimental rigor and good taste for what makes agents actually work in practice.

Benefits

• Comprehensive medical, dental, and vision plans.
• 401K with employer match.
• Commuter Benefits.
• Catered lunch multiple days per week.
• Dinner stipend every night if working late.
• Grubhub subscription.
• Health & Wellness Perks.
• Multiple team offsites per year with team events every month.
• Generous PTO policy.

About Company

Mirage is an AI-native video platform that intelligently orchestrates production and editing through natural language. They leverage contextual awareness to execute creative decisions, dramatically improving productivity and making video creation accessible to anyone. Mirage is backed by prominent investors including Index Ventures, Kleiner Perkins, Sequoia Capital, Andreessen Horowitz, and General Catalyst.

How to Apply

This job requires you to be in-person at Mirage's NYC HQ (located in Union Square).