About Us We are AI researchers and builders who understand how to curate data and RL environments ... mixed precision) Hands-on experience with LLM post-training -- SFT, RLHF, PPO, DPO, or reward model ...
About Us We are AI researchers and builders who understand how to curate data and RL environments ... mixed precision) Hands-on experience with LLM post-training -- SFT, RLHF, PPO, DPO, or reward model ...
Machine Learning Engineer
Madison, WI · On-site
About Us We are AI researchers and builders who understand how to curate data and RL environments ... mixed precision) Hands-on experience with LLM post-training -- SFT, RLHF, PPO, DPO, or reward model ...
Machine Learning Engineer
Madison, WI · On-site
About Us We are AI researchers and builders who understand how to curate data and RL environments ... mixed precision) Hands-on experience with LLM post-training -- SFT, RLHF, PPO, DPO, or reward model ...
Machine Learning Engineer
Racine, WI · On-site
About Us We are AI researchers and builders who understand how to curate data and RL environments ... mixed precision) Hands-on experience with LLM post-training -- SFT, RLHF, PPO, DPO, or reward model ...
Machine Learning Engineer
Racine, WI · On-site
About Us We are AI researchers and builders who understand how to curate data and RL environments ... mixed precision) Hands-on experience with LLM post-training -- SFT, RLHF, PPO, DPO, or reward model ...
Machine Learning Engineer
Milwaukee, WI · On-site
About Us We are AI researchers and builders who understand how to curate data and RL environments ... mixed precision) Hands-on experience with LLM post-training -- SFT, RLHF, PPO, DPO, or reward model ...
Machine Learning Engineer
Milwaukee, WI · On-site
About Us We are AI researchers and builders who understand how to curate data and RL environments ... mixed precision) Hands-on experience with LLM post-training -- SFT, RLHF, PPO, DPO, or reward model ...
Machine Learning Engineer
Menomonie, WI · On-site
About Us We are AI researchers and builders who understand how to curate data and RL environments ... mixed precision) Hands-on experience with LLM post-training -- SFT, RLHF, PPO, DPO, or reward model ...
Machine Learning Engineer
Menomonie, WI · On-site
About Us We are AI researchers and builders who understand how to curate data and RL environments ... mixed precision) Hands-on experience with LLM post-training -- SFT, RLHF, PPO, DPO, or reward model ...
About Us We are AI researchers and builders who understand how to curate data and RL environments ... mixed precision) Hands-on experience with LLM post-training -- SFT, RLHF, PPO, DPO, or reward model ...
About Us We are AI researchers and builders who understand how to curate data and RL environments ... mixed precision) Hands-on experience with LLM post-training -- SFT, RLHF, PPO, DPO, or reward model ...
Machine Learning Engineer
Whitewater, WI · On-site
About Us We are AI researchers and builders who understand how to curate data and RL environments ... mixed precision) Hands-on experience with LLM post-training -- SFT, RLHF, PPO, DPO, or reward model ...
Machine Learning Engineer
Whitewater, WI · On-site
About Us We are AI researchers and builders who understand how to curate data and RL environments ... mixed precision) Hands-on experience with LLM post-training -- SFT, RLHF, PPO, DPO, or reward model ...
About Us We are AI researchers and builders who understand how to curate data and RL environments ... mixed precision) Hands-on experience with LLM post-training -- SFT, RLHF, PPO, DPO, or reward model ...
About Us We are AI researchers and builders who understand how to curate data and RL environments ... mixed precision) Hands-on experience with LLM post-training -- SFT, RLHF, PPO, DPO, or reward model ...
Manufacturing Technology Manager
Beloit, WI · On-site
Partner with Process Research and Development teams to implement new technologies, process ... Technical expertise in liquid unit operations, including reaction systems, mixing, fermentation ...
Manufacturing Technology Manager
Beloit, WI · On-site
Partner with Process Research and Development teams to implement new technologies, process ... Technical expertise in liquid unit operations, including reaction systems, mixing, fermentation ...
Manufacturing Technology Manager
Beloit, WI · On-site
Partner with Process Research and Development teams to implement new technologies, process ... Technical expertise in liquid unit operations, including reaction systems, mixing, fermentation ...
Manufacturing Technology Manager
Beloit, WI · On-site
Partner with Process Research and Development teams to implement new technologies, process ... Technical expertise in liquid unit operations, including reaction systems, mixing, fermentation ...
... FDE method, from how we frame a problem to how we validate a prototype. * Early-Stage Forward ... A real design background: user research, user testing, human-centered design, or a closely related ...
... FDE method, from how we frame a problem to how we validate a prototype. * Early-Stage Forward ... A real design background: user research, user testing, human-centered design, or a closely related ...
This role bridges the gap between R&D formulation and full-scale commercial manufacturing, ensuring ... Implement Lean Manufacturing and Six Sigma methodologies to improve yield and cycle times.
This role bridges the gap between R&D formulation and full-scale commercial manufacturing, ensuring ... Implement Lean Manufacturing and Six Sigma methodologies to improve yield and cycle times.
Director of Biostatistics
Madison, WI · Remote
$60 - $65/hr
... clinical research. In this role, you'll apply your expertise to help train next-generation AI ... methods used in confirmatory trials, including survival analysis, mixed models, covariate ...
Director of Biostatistics
Madison, WI · Remote
$60 - $65/hr
... clinical research. In this role, you'll apply your expertise to help train next-generation AI ... methods used in confirmatory trials, including survival analysis, mixed models, covariate ...
Director of Biostatistics
Green Bay, WI · Remote
$60 - $65/hr
... clinical research. In this role, you'll apply your expertise to help train next-generation AI ... methods used in confirmatory trials, including survival analysis, mixed models, covariate ...
Director of Biostatistics
Green Bay, WI · Remote
$60 - $65/hr
... clinical research. In this role, you'll apply your expertise to help train next-generation AI ... methods used in confirmatory trials, including survival analysis, mixed models, covariate ...
Biostatistician
Kenosha, WI · Remote
$60 - $65/hr
... clinical research. In this role, you'll apply your expertise to help train next-generation AI ... methods used in confirmatory trials, including survival analysis, mixed models, covariate ...
Biostatistician
Kenosha, WI · Remote
$60 - $65/hr
... clinical research. In this role, you'll apply your expertise to help train next-generation AI ... methods used in confirmatory trials, including survival analysis, mixed models, covariate ...
Biostatistician
Madison, WI · Remote
$60 - $65/hr
... clinical research. In this role, you'll apply your expertise to help train next-generation AI ... methods used in confirmatory trials, including survival analysis, mixed models, covariate ...
Biostatistician
Madison, WI · Remote
$60 - $65/hr
... clinical research. In this role, you'll apply your expertise to help train next-generation AI ... methods used in confirmatory trials, including survival analysis, mixed models, covariate ...
Director of Biostatistics
Milwaukee, WI · Remote
$60 - $65/hr
... clinical research. In this role, you'll apply your expertise to help train next-generation AI ... methods used in confirmatory trials, including survival analysis, mixed models, covariate ...
Director of Biostatistics
Milwaukee, WI · Remote
$60 - $65/hr
... clinical research. In this role, you'll apply your expertise to help train next-generation AI ... methods used in confirmatory trials, including survival analysis, mixed models, covariate ...
Biostatistician
Milwaukee, WI · Remote
$60 - $65/hr
... clinical research. In this role, you'll apply your expertise to help train next-generation AI ... methods used in confirmatory trials, including survival analysis, mixed models, covariate ...
Biostatistician
Milwaukee, WI · Remote
$60 - $65/hr
... clinical research. In this role, you'll apply your expertise to help train next-generation AI ... methods used in confirmatory trials, including survival analysis, mixed models, covariate ...
Director of Biostatistics
Kenosha, WI · Remote
$60 - $65/hr
... clinical research. In this role, you'll apply your expertise to help train next-generation AI ... methods used in confirmatory trials, including survival analysis, mixed models, covariate ...
Director of Biostatistics
Kenosha, WI · Remote
$60 - $65/hr
... clinical research. In this role, you'll apply your expertise to help train next-generation AI ... methods used in confirmatory trials, including survival analysis, mixed models, covariate ...
Biostatistician
Green Bay, WI · Remote
$60 - $65/hr
... clinical research. In this role, you'll apply your expertise to help train next-generation AI ... methods used in confirmatory trials, including survival analysis, mixed models, covariate ...
Biostatistician
Green Bay, WI · Remote
$60 - $65/hr
... clinical research. In this role, you'll apply your expertise to help train next-generation AI ... methods used in confirmatory trials, including survival analysis, mixed models, covariate ...
Mixed Methods Research information
What is the difference between Mixed Methods Research vs Data Analyst?
| Aspect | Mixed Methods Research | Data Analyst |
|---|---|---|
| Required Credentials | Master's degree in social sciences, research methods, or related fields | Bachelor's or master's degree in statistics, data science, or related fields |
| Work Environment | Research institutions, universities, or organizations conducting mixed-method studies | Corporate, tech, finance, or healthcare sectors analyzing data sets |
| Industry Usage | Used in academic research, social sciences, and market research | Applied across industries for data interpretation and reporting |
| Search & Comparison Intent | Understanding research methodologies and qualifications | Analyzing data trends and insights |
While both roles involve data and research, Mixed Methods Research focuses on combining qualitative and quantitative research approaches, often in academic or social science settings. Data Analysts primarily interpret and visualize data within various industries to support decision-making. The roles differ in scope, environment, and skill sets but share a foundation in data analysis and research principles.

Full-time
Re-posted 21 days ago
Job description
About Us
We are AI researchers and builders who understand how to curate data and RL environments that truly improve models. We curated OpenThoughts, one of the best open reasoning datasets, and have trained SOTA models such as Bespoke-MiniCheck and Bespoke-MiniChart.
We are embarked on a journey to build Environments that are entire digital worlds that can be used to push the frontier of agents.
What You'll Be Working On
You will work directly with our research team on RL environment and task creation for agent training. This means designing observation spaces, action spaces, reward signals, and success criteria for new environments — and building the infrastructure that makes world-scale RL training possible. This is a high-ownership role; you will be building novel systems, not maintaining legacy ones.
Must-Have Skills
3+ years of ML engineering experience — model training, fine-tuning, or post-training pipelines in research or production
Strong Python and deep learning proficiency (PyTorch preferred; familiar with training loops, optimizers, mixed precision)
Hands-on experience with LLM post-training — SFT, RLHF, PPO, DPO, or reward model training — and understanding of how training data quality affects model behavior
Familiarity with RL frameworks (Gymnasium, dm_env) and the ability to design or modify reward functions for agent training objectives
Experience running experiments at scale on cloud or HPC (AWS, GCP, SLURM, or Ray)
Solid understanding of evaluation methodology — held-out sets, benchmark design, avoiding train/eval contamination