The LLM Data Company (YC X25)
Founding Research Engineer
The LLM Data Company (YC X25), San Francisco, California, United States, 94199
The LLM Data Company (YC X25) provided pay range This range is provided by The LLM Data Company (YC X25). Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.
The following information aims to provide potential candidates with a better understanding of the requirements for this role. Base pay range $150,000.00/yr - $250,000.00/yr Direct message the job poster from The LLM Data Company (YC X25) The LLM Data Company creates tooling for model evaluation and reinforcement learning. We’re currently building doteval — an AI-assisted workspace for technical and non-technical staff to create evals, rewards functions, and environments. We’re a seed-stage company backed by Y Combinator and Tier-1 VCs and work with some of the largest AI companies in the world. We’re looking for founding engineers to support the rapid RL compute scaling effort. Role Design and implement scalable RL recipes for post-training task-specific models Develop modular environments, reward functions, and evaluator scaffolds for internal and customer-facing tasks Drive research at the intersection of scalable infra and modern RL frameworks to enable RL-as-a-service Drive foundational research to publish open source environments and training data Build data generation and curation pipelines to support frontier post-training Collaborate with product teams to deliver a user friendly interface for non-technical users to generate data Qualifications Masters or PhD in Computer Science or related field Comfort with core tooling (verl, PyTorch, etc.) Familiarity with modern post-training techniques (GRPO, etc.) Experience with evaluations and reward engineering Published in top journals (ICLR, NeurIPS, ICML, etc.) To apply Send your CV and a short note to founders@thellmdatacompany.com Seniority level
Seniority levelEntry level Employment type
Employment typeFull-time Job function
Job functionEngineering and Information Technology IndustriesSoftware Development Referrals increase your chances of interviewing at The LLM Data Company (YC X25) by 2x Inferred from the description for this job Medical insurance Vision insurance Get notified about new Research Engineer jobs in
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The following information aims to provide potential candidates with a better understanding of the requirements for this role. Base pay range $150,000.00/yr - $250,000.00/yr Direct message the job poster from The LLM Data Company (YC X25) The LLM Data Company creates tooling for model evaluation and reinforcement learning. We’re currently building doteval — an AI-assisted workspace for technical and non-technical staff to create evals, rewards functions, and environments. We’re a seed-stage company backed by Y Combinator and Tier-1 VCs and work with some of the largest AI companies in the world. We’re looking for founding engineers to support the rapid RL compute scaling effort. Role Design and implement scalable RL recipes for post-training task-specific models Develop modular environments, reward functions, and evaluator scaffolds for internal and customer-facing tasks Drive research at the intersection of scalable infra and modern RL frameworks to enable RL-as-a-service Drive foundational research to publish open source environments and training data Build data generation and curation pipelines to support frontier post-training Collaborate with product teams to deliver a user friendly interface for non-technical users to generate data Qualifications Masters or PhD in Computer Science or related field Comfort with core tooling (verl, PyTorch, etc.) Familiarity with modern post-training techniques (GRPO, etc.) Experience with evaluations and reward engineering Published in top journals (ICLR, NeurIPS, ICML, etc.) To apply Send your CV and a short note to founders@thellmdatacompany.com Seniority level
Seniority levelEntry level Employment type
Employment typeFull-time Job function
Job functionEngineering and Information Technology IndustriesSoftware Development Referrals increase your chances of interviewing at The LLM Data Company (YC X25) by 2x Inferred from the description for this job Medical insurance Vision insurance Get notified about new Research Engineer jobs in
San Francisco Bay Area . Research Scientist/Engineer, Mobile Manipulation - BehaviorsResearch Scientist, Latent State Inference for World ModelsResearch Scientist, World Models for Autonomous Vehicles San Jose, CA $142,700.00-$257,600.00 1 week ago Process Integration Technologist, R&D Engineering San Jose, CA $177,400.00-$236,500.00 6 days ago Fremont, CA $110,000.00-$115,000.00 1 week ago Mountain View, CA $138,225.00-$207,575.00 5 days ago Sunnyvale, CA $213,000.00-$293,000.00 6 days ago Research Scientist, World Models – Policy Training and Evaluation San Francisco, CA $130,000.00-$145,000.00 6 days ago Research Scientist, Molecular PharmacologyScientist / Sr. Scientist - Genetic Medicine R&DML Research Scientist, Foundation Models (Senior / Staff / Principal) San Jose, CA $182,900.00-$334,500.00 1 week ago Research Scientist: LLMs for Robot NavigationSoftware Engineer, AI Platform - New Grad Mountain View, CA $145,000.00-$170,000.00 4 days ago Senior Research Scientist: Robotics Systems We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.
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