See all roles

Machine Learning Systems Research Engineer, Agent Post-training - Enterprise GenAI

Work from home Full-time role Hiring

Scale AI is a leading AI data foundry focused on accelerating the development of AI applications. The ML Systems Research Engineer will build and optimize algorithms for a next-gen Agent RL training platform, collaborating with teams to enhance model training and deployment for various enterprise applications.

Responsibilities

  • Build, profile and optimize our training and inference framework
  • Post-train state of the art models, developed both internally and from the community, to define stable post-training recipes for our enterprise engagements
  • Collaborate with ML teams to accelerate their research and development, and enable them to develop the next generation of models and data curation
  • Create a next-gen agent training algorithm for multi-agent/multi-tool rollouts

Skills

  • At least 1-3 years of LLM training in a production environment
  • Passionate about system optimization
  • Experience with post-training methods like RLHF/RLVR and related algorithms like PPO/GRPO etc
  • Ability to demonstrate know-how on how to operate the architecture of the modern GPU cluster
  • Experience with multi-node LLM training and inference
  • Strong software engineering skills, proficient in frameworks and tools such as CUDA, Pytorch, transformers, flash attention, etc
  • Strong written and verbal communication skills to operate in a cross functional team environment
  • PhD or Masters in Computer Science or a related field

Benefits

  • Comprehensive health, dental and vision coverage
  • Retirement benefits
  • A learning and development stipend
  • Generous PTO
  • Commuter stipend

Company Overview

  • Scale’s mission is to develop reliable AI systems for the world’s most important decisions. It was founded in 2016, and is headquartered in San Francisco, California, USA, with a workforce of 501-1000 employees. Its website is https://scale.com.
  • Company H1B Sponsorship

  • Scale AI has a track record of offering H1B sponsorships, with 11 in 2026, 81 in 2025, 54 in 2024, 29 in 2023, 17 in 2022, 10 in 2021, 10 in 2020. Please note that this does not guarantee sponsorship for this specific role.
  • Apply To This Job

    You might like

    NOW HIRING FOR DMDC Cyber PRIMES (CPRIMES) CONTRACT

    Work from home Full-time role

    Customer Service Representative

    Work from home Full-time role

    Enablement Lead, Customer and Partner Support

    Work from home Full-time role

    Business Development, Associate

    Work from home Full-time role

    [Remote] Outbound Sales (REMOTE)

    Work from home Full-time role

    Performance Associate

    Work from home Full-time role

    Project Coordinator (Entry Level)

    Work from home Full-time role

    [Remote] Insights Analyst- UX/UI

    Work from home Full-time role

    [Remote] Customer Service Specialist - HIRING EVENT, BLUE ASH

    Work from home Full-time role

    NERA Marketing Associate (Washington, DC)

    Work from home Full-time role

    Senior Data Analyst – Remote Part‑Time (8‑Hour Shifts) – Data Investigation, Business Insights & Growth at arenaflex

    Work from home Full-time role

    Experienced Remote Customer Service Travel Consultant – Home-Based Vacation Planning and Booking Specialist for Leisure and Corporate Clients

    Work from home Full-time role

    Treasury Analyst

    Work from home Full-time role

    Director-Business Development (Denver, Kansas, and Oklahoma)

    Work from home Full-time role

    Remote Customer Service Representative – Amazon Support Center (Work From Home) | Up to $35/Hour + Comprehensive Benefits

    Work from home Full-time role

    Remote Overnight Radiologist

    Work from home Full-time role

    Work From Home-Flexible Hours-Sales Representative Forbes Ranked Us 9th for Highest Paying Jobs

    Work from home Full-time role

    Experienced Data Entry Specialist – Remote Opportunity with arenaflex

    Work from home Full-time role

    Ongoing Support | Level One

    Work from home Full-time role

    Principal Technical Product Manager- Software

    Work from home Full-time role