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Software Engineer, Agents

Wellfound
New York Posted Oct 31, 2026
On-siteUSD 175,000 - 300,000 / year

About this role

Mirage

Actively Hiring More jobs

Mirage is redefining short-form video with frontier AI research

Top 10% of responders

Mirage is in the top 10% of companies in terms of response time to applications

Responds within a week

Based on past data, Mirage usually responds to incoming applications within a week

B2C

  • +4

Top 10% of responders

Mirage is in the top 10% of companies in terms of response time to applications

Responds within a week

Based on past data, Mirage usually responds to incoming applications within a week

B2C

  • +4

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Apply Now

Software Engineer, Agents

  • $175k – $300k
  • | New York
  • |Full Time

Posted: today• Recruiter recently active

Job Location

New York

Visa Sponsorship Not Available

RelocationNot Allowed

About the job

Mirage is an AI video company focused on making creation dramatically easier. Our team tackles some of the hardest creative and technical challenges in generative media.

We get to rethink how people collaborate with AI that can actually do creative work with them—defining entirely new interaction paradigms for AI-native video tools. We make that possible by building multimodal agents that turn creative direction into edits, rendering engines that composite multiple layers of video and graphics, and generative video models trained from the ground up that create new media when needed.

All of this comes together in Captions, our creative workspace for generating, editing, and designing video. The technology behind Captions is now available more broadly: Tesseract gives any AI agent native video-editing capabilities, while developers can integrate our models into their own products through APIs.

Explore our work

Captions — Our flagship creative workspace

Tesseract — Our professional video engine for AI agents

Research — The foundation models we build in-house

Updates — The latest from Mirage

TechCrunch, Forbes, Fast Company — 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 most of our roles will require you to be in-person at our NYC HQ (located in Union Square)

About the role

This role focuses on designing and building agentic systems that power creative workflows for short-form video. You'll help shape how AI agents reduce friction, accelerate learning, and unlock new creative possibilities for our users — building agents that can take creative actions on a user's behalf — while experimenting with emerging models and techniques to bring these experiences to life in production.

Software Engineers on the agents team work across product, machine-learning, and systems engineering — owning meaningful problems end-to-end and helping define how our agents are built and deployed across the product.

While we don’t use hierarchical titles or levels internally, we are currently hiring engineers who have operated at senior or staff+ scope.

Responsibilities

  • Build and ship end-to-end agentic systems that meaningfully improve creative workflows, balancing quality, performance, and reliability

  • Design agent architectures — how agents gather context, plan, select tools, and execute creative tasks reliably at scale

  • Integrate state-of-the-art models, combining internal research and external capabilities to power new agent experiences

  • Measure and improve agent quality in production, using experimentation, evaluation frameworks, and real-world feedback to guide iteration

  • What Makes You a Great Fit

  • 5+ years of professional industry experience

  • A track record of designing and developing ML systems or agentic pipelines in production

  • Deep experience with context engineering: RAG systems, token optimization, context management at scale

  • Experience building evaluation systems and agentic infrastructure (context gathering, tool selection, multi-step planning)

  • Exceptional problem solving fundamentals and ability to learn quickly in a rapidly evolving space

  • Able to operate effectively in an extremely fast-paced environment and scope and deliver projects end-to-end

  • Even better if...

  • You have worked with multi-agent architectures

  • You have experience fine-tuning LLMs for specific use cases

  • You have a pulse on where generative media and agentic AI technology is going

  • 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.

  • Apply Now

About the company

Mirage

Actively Hiring More jobs Mirage is redefining short-form video with frontier AI research51-200 Employees

New York City

51-200

Consumer Technology

Artificial Intelligence

Video

Mobile

Machine Learning

Artificial Intelligence

Consumer

Top 10% of responders

Mirage is in the top 10% of companies in terms of response time to applications

Responds within a week

Based on past data, Mirage usually responds to incoming applications within a week

B2C

Growth Stage

Expanding market presence

Top Investors

This company has received a significant amount of investment from top investors

Valuation $500M+

This company has a valuation of $500M or more

Growing fast

Showed strong hiring growth in the past month

Learn more about Mirage

Funding

AMOUNT RAISED

$85M

FUNDED OVER

2 rounds

Rounds

C $60000000

Series C - Jul 2024+1

View Mirage's funding history

Perks

Healthcare benefits

Retirement benefits

Wellness benefits

Commuter benefits

Company events

Explore Mirage's perks and benefits

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