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Haize Labs

Applied Researcher

New York City / San Francisco

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hirly's read of this role

Seniority
Mid level
Stated salary
$175,000 – $265,000 per year
Country
US
Work mode
On-site / unstated
First seen by hirly
21 Sept 2026

Derived automatically from the posting. Upload your resume above to see how the role scores against it.

the posting

About Haize Labs

Today’s AI has a jagged intelligence surface. It is superhuman on well-defined benchmarks like the International Math Olympiad, but falls short in many real world domains.

Haize Labs brings superintelligence to the long tail of these domains through our agent foundry, which enables agent performance at parity with or better than domain experts.

Our agents are being deployed across many, many verticals. We are hiring an Applied Researcher to 1) turn companies into environments, 2) RL on these environments, and 3) rapidly scale and refine our products in existing verticals. This role spans research (RL, environment design, reward modeling), engineering (building, debugging, evaluating agents), and customer management (scoping, planning, relationship-building).

In this role, you will:

Push the pareto frontier of model capabilities

Rapidly synthesize RL environments and reward functions / models

Fine-tune agents to hillclimb almost any task in any business you can imagine

Develop the research platform—observability, evaluation, custom reward models, simulation testing—connecting domain experts to models

You are a great fit if you:

Love research, but also love engineering and making money

Have a knack for probing model capabilities (e.g. benchmark papers)

Want to bring intelligence to real people doing real work in the real world, not just Silicon Valley SaaS companies

Ideal candidates likely:

Have spent both time in a lab and in startup land

Contribute to popular research frameworks (e.g. Prime-RL, Verl, Harbor, etc.)

Spend their free time thinking about where AI is headed, and how to shape its capabilities

Logistics

Education requirement: doesn’t matter. If you are exceptional, you are exceptional.

Location policy: NYC/SF.

US visa sponsorship: If you are exceptional, we will sponsor.

Compensation

  • $175,000 – $265,000 annual salary
  • And generous equity + benefits
Original posting on Haize Labs's site ↗

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