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Reddit

Staff Machine Learning Engineer, ML Understanding

Job Summary

This role is for a Staff Machine Learning Engineer specializing in natural language processing and large language models. The candidate will design, develop, and optimize AI models for applications like conversational AI and content generation. Collaboration with cross-functional teams and adherence to ethical AI principles are key aspects of the position. The role offers comprehensive benefits and the flexibility of remote work, with a focus on responsible and advanced AI solutions.

Required Skills

Natural Language Processing
Python Programming
Deep Learning
PyTorch
TensorFlow
Model Development
Large Language Models
Embeddings
Model Optimization
Language Modeling
Transformers
Distributed Training
Tokenization
Data Preprocessing
AI Ethics

Benefits

Paid Parental Leave
Flexible Vacation
401k Matching
Family Planning Support
Personal Development Funds
Healthcare Benefits
Home Office Benefits
Volunteer Time Off

Job Description

Reddit is a community of communities. It’s built on shared interests, passion, and trust and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on the topics they care most about. With 100,000+ active communities and approximately 101M+ daily active unique visitors, Reddit is one of the internet’s largest sources of information. For more information, visit redditinc.com.

Location:
This role is completely remote-friendly. If you happen to live close to one of our physical office locations, our doors are open for you to come into the office as often as you'd like.

Team Description:
We are seeking a Staff Machine Learning Engineer with a deep understanding of LLM training and optimization to join our ML Understanding Team. In this pivotal role, you will be responsible for developing, training, and optimizing state-of-the-art language models for various applications, from conversational AI to content generation and language understanding tasks. Our mission is to develop cutting-edge AI solutions that can understand, generate, and analyze human-like text with unprecedented accuracy and efficiency.

You will partner with Engineering, Product, UX Research, and Product Design teams to push the boundaries of what's possible with these powerful language models.

Responsibilities:

  • Design, develop, and optimize large language models for various natural language processing tasks.
  • Collaborate with cross-functional teams to gather requirements, define model architectures, and iterate on model development.
  • Conduct model evaluations, performance analysis, and optimization to improve model accuracy and reduce biases.
  • Stay up-to-date with the latest research and advancements in the field of natural language processing, multimodal signals, and large language models.
  • Contribute to the development of best practices, guidelines, and ethical AI principles for responsible LLM development and deployment.

Required Qualifications:

  • 7+ years of relevant MLE experience in natural language processing, deep learning, and AI model development.
  • Strong background in Python programming and deep learning frameworks like TensorFlow, PyTorch, or Hugging Face Transformers.
  • Expertise in distributed training frameworks (e.g., Ray Training, PyTorch Distributed), and efficient utilization of hardware resources.
  • Proficiency in data preprocessing, tokenization, embeddings, and language modeling techniques.
  • Passion for developing scalable, well-designed, and responsible AI solutions that positively impact society.
  • Excellent communication and collaboration skills, with the ability to discuss complex technical topics with diverse teams.

Benefits:

  • Comprehensive Healthcare Benefits
  • 401k Matching
  • Workspace benefits for your home office
  • Personal & Professional development funds
  • Family Planning Support
  • Flexible Vacation (please use them!) & Reddit Global Wellness Days
  • 4+ months paid Parental Leave
  • Paid Volunteer time off

#LI-DB1 #LI-Remote

Pay Transparency:

This job posting may span more than one career level.

In addition to base salary, this job is eligible to receive equity in the form of restricted stock units, and depending on the position offered, it may also be eligible to receive a commission. Additionally, Reddit offers a wide range of benefits to U.S.-based employees, including medical, dental, and vision insurance, 401(k) program with employer match, generous time off for vacation, and parental leave. To learn more, please visit https://www.redditinc.com/careers/.

To provide greater transparency to candidates, we share base pay ranges for all US-based job postings regardless of state. We set standard base pay ranges for all roles based on function, level, and country location, benchmarked against similar stage growth companies. Final offer amounts are determined by multiple factors including, skills, depth of work experience and relevant licenses/credentials, and may vary from the amounts listed below.

The base pay range for this position is:
$230,000$322,000 USD

Reddit is proud to be an equal opportunity employer, and is committed to building a workforce representative of the diverse communities we serve. Reddit is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If, due to a disability, you need an accommodation during the interview process, please let your recruiter know.

Interested in this job?

Application deadline: Open until filled

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Reddit

A social media platform where users create and participate in communities (subreddits) to discuss a wide range of topics, share content, and connect.

See more jobs
Date PostedMay 31st, 2025
Job TypeFull Time
LocationRemote - United States
Salary$230,000 - $322,000
Exciting remote opportunity (requires residency in United States) for a Staff Machine Learning Engineer, ML Understanding at Reddit. Offering $230,000 - $322,000 (full time). Explore more remote jobs on FlexHired!

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