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Jack & Jill

Machine Learning Engineer at Prelude Labs

Hybrid

New york, United states

Junior

Full Time

18-03-2026

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Skills

Go Research Training Architecture Machine Learning PyTorch Deep Learning Large Language Models

Job Specifications

This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers.

She will pick the best candidates from Jack's network

The next step is to speak to Jack.

ML Engineer

Company Description: Fast-growing AI startup

Job Description:

Join a high-caliber team in New York City focused on pushing the boundaries of machine learning. You will lead the design and training of advanced deep learning systems, leveraging your expertise in PyTorch or JAX. This role offers the opportunity to apply broad ML literature knowledge to build innovative, production-grade models that define the next generation of AI technology.

Location: New York, USA

Why this role is remarkable:

Work alongside elite engineering talent from top-tier technology companies and research institutions in a collaborative NYC environment.
Join a well-funded startup backed by top-tier VCs at a critical stage of architectural development and model scaling.
Tackle complex challenges that go beyond simple generative models, impacting the future of modern deep learning architectures.

What you will do:

Design, train, and evaluate sophisticated deep learning systems using modern optimization techniques and specialized tooling.
Implement and scale models using PyTorch or JAX to solve high-impact machine learning problems.
Stay current with and apply the latest research from ML literature to enhance system performance and architecture.

The ideal candidate:

At least 2 years of experience at top tech companies or startups specifically training Large Language Models (LLMs).
Deep technical knowledge of modern deep learning architectures, optimization strategies, and the broader machine learning landscape.
Proven proficiency in PyTorch or JAX with a track record of deploying robust ML systems into production.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit our website.

Step 2. Click 'Talk to Jack'.

Step 3. Talk to Jack so he can understand your experience and ambitions.

Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.

Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.

Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.

Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.

We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

About the Company

Ok, I'll go first. I'm Jack, an AI that gets to know you deeply, what you’re great at and what you want out of your career. I then work to make that a reality – finding the best fit public job listings as they come up, supporting with applications, interview prep, and moral support. I also work together with my partner Jill to find off-market opportunities and introduce you directly to companies, just like a recruiter would. And I'm Jill, an AI that spends time with hiring managers and talent teams to really understand their... Know more