Founding AI/ML Engineer

Posted Yesterday
New York, NY, USA
In-Office
Mid level
Artificial Intelligence • Productivity • Software • Design
The Role
Build and improve state-of-the-art agent systems: design RL/RLHF learning pipelines, create custom environments, set up robust evaluation, train smaller task-specific models, leverage open-source text and image models, and help shape technical and hiring strategy alongside founders.
Summary Generated by Built In

We're hiring a researcher/engineer to solve deep AI challenges.

Join us in building state-of-the-art agent systems for previously unsolved domains. You'll work on diverse AI challenges that push the boundaries of what's possible with current models.

Your mission:

  • Work on building and constantly improving a SOTA Agent for our domain

  • Design robust learning pipelines (e.g. RLHF, RL) and build any custom environments needed for feedback signal

  • Set up a durable eval strategy

  • Train smaller models for scoped tasks

  • Leverage a variety of open source text and image models

  • Stay abreast of research — we will have budget for you to attend conferences

  • Shape our technical and hiring strategy alongside the founding team

You:

  • Have experience with AI agents, RLHF or reinforcement learning (even in academic projects/internships)

  • Are extremely comfortable in Python and ML frameworks

  • Have a builder mindset, whether through research projects, internships, side projects, or production systems

  • Can make independent progress on shipping user-facing features

  • (Bonus) Have an advanced degree

  • (Bonus) Have started a company or been early at a startup

  • A note on seniority: We believe in slope over y intercept, and are open to a broad range of experiences and seniority.

Why us?

  • Learning & Growth: Direct mentorship from founders who've built Dover (raised $23M) and Heap ($960M valuation, acquired). You'll learn how to build and scale transformative products from people who've done it.

  • Impact: The team is small and will stay small. We aspire to a very high revenue to headcount ratio. Every engineer directly shapes the product and company trajectory. No layers, no politics, just building.

  • Ownership: We're a high-trust environment where you'll own significant projects from day one, with support when you need it.

  • Ambition: We're redefining who can use design tools and how they work, with a massive potential audience and the technical challenges to match.

  • Speed: We move incredibly quickly. You'll ship more in a month here than most engineers ship in a year.

Skills Required

  • Experience with AI agents, RLHF, or reinforcement learning
  • Extremely comfortable in Python and ML frameworks
  • Builder mindset demonstrated via research projects, internships, side projects, or production systems
  • Ability to make independent progress on shipping user-facing features
  • Advanced degree
  • Started a company or been early at a startup
Am I A Good Fit?
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The Company

What We Do

Moda is an AI-powered design agent that helps professionals and teams create beautiful, brand-aligned slides and visual assets on a fully editable canvas. By leveraging AI agents and a real-time rendering engine, the platform enables users to develop high-quality visual content that adheres to brand guidelines, significantly increasing design velocity for teams and individual professionals.

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