Mirage (formerly Captions) is a company that builds a mobile-first AI-powered video-editing app and a web marketing video creation suite.
Mirage is an AI-native video platform that intelligently orchestrates production and editing through natural language. Our models leverage contextual awareness to execute the same creative decisions a professional editor would — dramatically improving productivity for experienced teams, while making video creation accessible to anyone. We’re an interdisciplinary team addressing some of the most difficult technical and creative challenges in generative media. As an early member of our team, you’ll tackle foundational problems that remain largely unsolved across the industry, driving an outsized impact on the future of creative expression. More about us Product https://mirage.app/captions (Captions by Mirage) Research https://mirage.app/research (Our Models and Agents) Updates https://x.com/trymirage (Mirage on X / twitter) TechCrunch https://techcrunch.com/2026/03/24/mirage-raises-75m-to-continue-building-models-for-its-ai-video-editing-app-captions/, Forbes AI 50 https://www.forbes.com/companies/captions/?list=ai50, Fast Company https://www.fastcompany.com/91270234/video-most-innovative-companies-fast-company-2025-youtube-roku-tubi-vimeo-captions-descript-cour-procreate-synthesia-beeble (press) Our Investors We’re very fortunate to have some the best investors and entrepreneurs backing us, including Index Ventures, Kleiner Perkins, Sequoia Capital, Andreessen Horowitz, General Catalyst, Uncommon Projects, Kevin Systrom, Mike Krieger, Lenny Rachitsky, Antoine Martin, Julie Zhuo, Ben Rubin, Jaren Glover, SVAngel, 20VC, Ludlow Ventures, Chapter One, and more. Please note that all of our roles will require you to be in-person at our NYC HQ (located in Union Square) About the role Our product engineers own end-to-end product experiences for creative workflows—pushing the boundaries of what’s possible in the browser by building sophisticated creative tools that span delightful user interfaces, video & graphics rendering, and the integration of large generative AI models. As a small, collaborative team, our product engineers are trusted with a high degree of ownership and agency—directly influencing what we build and how we build it. Responsibilities - Ship end-to-end product experiences for creative workflows, owning features from initial concept through production and iteration - Push the boundaries of what’s possible in the browser, building highly polished, performant user experiences for complex, media-rich creation and interaction - Build full-stack solutions that balance performance, scalability, and extensibility—including APIs, data flows, and services that support real-time and asynchronous workflows - Understand the capabilities and limitations of modern AI systems and work with the team to integrate them thoughtfully into product surfaces - Instrument, experiment, and iterate rapidly in production, using data, A/B tests, and user feedback to guide decisions What makes you a great fit - 2+ years of professional industry experience - Excellent engineering taste combined with a strong sense of practicality and time-management - Able to operate effectively in an extremely fast-paced environment as well as scope and deliver projects end-to-end - Strong full-stack development experience with modern web development technologies (React, TypeScript, Python, Node.js), API frameworks, and cloud platforms - Strong understanding of computer science fundamentals (algorithms and data structures) Even better if… - Experience with complex rendering or real-time media processing - You are grounded, collaborative, and willing to do whatever it takes to help the team win - You have been a startup founder or an early engineer at one BENEFITS: - Comprehensive medical, dental, and vision plans - 401K with employer match - Commuter Benefits - Catered lunch multiple days per week - Dinner stipend every night if you're working late and want a bite! - Grubhub subscription - Health & Wellness Perks - Multiple team offsites per year with team events every month - Generous PTO policy Captions provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Please note benefits apply to full time employees only.