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Senior Research Scientist (P4370)

84.51˚

Cincinnati (OH)

On-site

USD 67,000 - 182,000

Full time

2 days ago
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Job summary

Join a leading retail data science company as a Senior Research Scientist specializing in AI and language models. This mid-senior level position requires expertise in model pretraining, deep learning architectures, and Python programming within a dynamic team environment. Enjoy a competitive salary and generous benefits including extensive paid time off and flexibility in work arrangements.

Benefits

401(k) with matching contribution
Health and dental benefits
5 weeks of vacation time
Paid maternity and paternity leave

Qualifications

  • PhD required with 1-2 years industry/research experience.
  • Strong publication record in relevant conferences.
  • Expert proficiency in PyTorch and deep learning.

Responsibilities

  • Research and implement novel architectures for language models.
  • Develop advanced fine-tuning strategies and optimization techniques.
  • Mentor junior researchers and collaborate with cross-functional teams.

Skills

PyTorch
Deep Learning
Machine Learning
Programming
NLP

Education

PhD in Computer Science, Machine Learning or related field

Job description

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Pay found in job post

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Base pay range

$67,000.00/yr - $181,250.00/yr

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84.51° Overview

84.51° is a retail data science, insights and media company. We help The Kroger Co., consumer packaged goods companies, agencies, publishers and affiliates create more personalized and valuable experiences for shoppers across the path to purchase.

84.51° Overview

84.51° is a retail data science, insights and media company. We help The Kroger Co., consumer packaged goods companies, agencies, publishers and affiliates create more personalized and valuable experiences for shoppers across the path to purchase.

Powered by cutting-edge science, we utilize first-party retail data from more than 62 million U.S. households sourced through the Kroger Plus loyalty card program to fuel a more customer-centric journey using 84.51° Insights, 84.51° Loyalty Marketing and our retail media advertising solution, Kroger Precision Marketing.

Join us at 84.51°!

__________________________________________________________

Senior Research Scientist (AI Enablement) P4370

Cincinnati, OH / Chicago, IL

Summary

We are seeking a highly skilled Senior Research Scientist to join our AI Foundation Models team, focusing on the application of the state-of-the-art in large language models (LLMs), small language models (SLMs), and deep learning architectures on retail problems. This role combines cutting-edge research with practical implementation, requiring expertise in model pretraining, fine-tuning, and production-grade code development.

Responsibilities

  • Research and implement novel architectures for large language models and small language models
  • Lead research initiatives in model pretraining methodologies and optimization techniques
  • Develop advanced fine-tuning strategies including parameter-efficient methods (LoRA, adapters, etc.)
  • Specialize in encoder-only model architectures and their applications
  • Create and optimize embedding models for various downstream tasks
  • Conduct experiments to improve model efficiency, performance, and scalability
  • Write production-quality code for training, inference, and deployment of language models
  • Implement distributed training systems for large-scale model development
  • Optimize model architectures for computational efficiency and memory usage
  • Develop robust evaluation frameworks and benchmarking systems
  • Create reusable libraries and tools for the research team
  • Collaborate with cross-functional teams including ML engineers, product teams, and infrastructure
  • Mentor junior researchers and contribute to team knowledge sharing
  • Present research findings at conferences and publish in top-tier venues
  • Stay current with latest developments in NLP and deep learning research

Qualifications, Skills, And Experience

  • PhD in Computer Science, Machine Learning, Artificial Intelligence, or related field
  • 1-2 years of post-PhD industry or research experience in deep learning
  • Strong publication record in relevant conferences (NeurIPS, ICML, ICLR, ACL, EMNLP, etc.)

Required Skills

  • Expert proficiency in PyTorch; familiarity with distributed training frameworks (DeepSpeed, FairScale, etc.)
  • Hands-on experience with transformer architectures, attention mechanisms, and modern LLM/SLM implementations
  • Proven experience in pretraining large models, including data preprocessing, tokenization, and training dynamics
  • Deep understanding of supervised fine-tuning, RLHF, instruction tuning, and parameter-efficient methods
  • Specialized knowledge in BERT-style architectures, masked language modeling, and encoder-only applications
  • Experience developing and optimizing dense retrieval models, sentence embeddings, and multimodal embeddings
  • Ability to write clean, efficient, and scalable Python code suitable for production environments
  • Knowledge of model quantization, pruning, and other compression techniques
  • Experience with evaluation methodologies for language models
  • Experience with model versioning, experiment tracking (Weights & Biases, MLflow), and deployment pipelines
  • Strong mathematical foundation in optimization, statistics, and linear algebra
  • Experience with cloud computing platforms (GCP, Azure) and containerization (Docker, Kubernetes)
  • Proficiency in distributed computing and parallel processing
  • Excellent problem-solving skills and ability to work independently
  • Strong communication skills for presenting complex technical concepts

Preferred Skills

  • Experience with multimodal models and cross-modal understanding
  • Familiarity with reinforcement learning from human feedback (RLHF)
  • Contributions to open-source deep learning projects
  • Experience with hardware optimization (GPUs, TPUs) and mixed-precision training
  • Background in natural language processing applications and linguistics

Pay Transparency And Benefits

  • The stated salary range represents the entire span applicable across all geographic markets from lowest to highest. Actual salary offers will be determined by multiple factors including but not limited to geographic location, relevant experience, knowledge, skills, other job-related qualifications, and alignment with market data and cost of labor. In addition to salary, this position is also eligible for variable compensation.
  • Below is a list of some of the benefits we offer our associates:
    • Health: Medical: with competitive plan designs and support for self-care, wellness and mental health. Dental: with in-network and out-of-network benefit. Vision: with in-network and out-of-network benefit.
    • Wealth: 401(k) with Roth option and matching contribution. Health Savings Account with matching contribution (requires participation in qualifying medical plan). AD&D and supplemental insurance options to help ensure additional protection for you.
    • Happiness: Hybrid work environment. Paid time off with flexibility to meet your life needs, including 5 weeks of vacation time, 7 health and wellness days, 3 floating holidays, as well as 6 company-paid holidays per year. Paid leave for maternity, paternity and family care instances.
Pay Range

$67,000—$181,250 USD

Seniority level
  • Seniority level
    Mid-Senior level
Employment type
  • Employment type
    Full-time
Job function
  • Job function
    Other
  • Industries
    Business Consulting and Services

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