True Talent Solutions Partners

Member of Technical Staff, Applied Researcher

New York
Salary
$300,000 - $500,000 annually
Level
Staff
Work type
On-site · New York
Visa
Sponsors visas

Open. First seen 31 October 2026.

Apply on the company's site →

About the role

About the Role

Join a small applied research team working with frontier AI labs on challenging post-training problems. This research-first role focuses on reinforcement learning, training data, and experiments that help improve model capabilities.

What You'll Do

  • Work with research teams to translate open-ended goals into concrete environments, datasets, experiments, and deliverables.
  • Design and run post-training workflows, including reinforcement learning methods such as GRPO, preference optimization, and supervised fine-tuning.
  • Shape and inspect high-fidelity trajectories and training data, with attention to correctness, edge cases, and quality.
  • Build reward functions, rubrics, validators, and evaluation harnesses that resist reward hacking and measure capability gains.
  • Analyze post-training signals and experiment results across distributed GPU clusters to guide subsequent research.

What We're Looking For

  • At least 2 years of experience as an applied researcher or research scientist, with hands-on model training experience.
  • Practical reinforcement learning and agent experience beyond standard machine learning engineering work.
  • Research experience at a frontier AI lab, AI research startup, or AI data lab, or evidence of impactful research through a publication or a model performing well on a notable benchmark.
  • Strong knowledge of reinforcement learning and training data, supported by research or applied work.
  • Experience with Python, PyTorch, FSDP, FastAPI, GRPO, and distributed GPU clusters.
  • A PhD involving reinforcement learning research or experience at a frontier AI lab is relevant background.

Compensation & Benefits

Base salary range is $300,000 to $500,000 annually. Visa sponsorship is available.

Location

Hybrid in New York, New York, with an additional location in Seattle, Washington.

What this role asks for

Particular to this role

FastAPI · PyTorch

Rare in True Talent Solutions Partners's other 122 open postings.

Compared with True Talent Solutions Partners's other open jobs.

The team: Client Roles

This role is one of 120 open in Client Roles. 120 were posted in the last 30 days, including 5 lead roles: the team is hiring the people who run it too.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

Python (68 of 120), TypeScript (45 of 120), LLM (42 of 120), React (36 of 120), Machine Learning (32 of 120), AWS (27 of 120), JavaScript (25 of 120)

OTHER ROLES ON THIS TEAM

From the team and dates on True Talent Solutions Partners's own job board.

Other openings for this role

2 postings for this role in New York since 29 October 2026, 1 still open. None has been taken down and posted again.

  • 31 October 2026 – open (this posting)
  • 29 October 2026 – closed 31 October 2026

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