Reddit, Inc. · 1 week ago
Senior Machine Learning Engineer, Safety
United States
Full-time
Remote
Senior Level
$217K/yr - $303K/yr
5+ years expReddit, Inc. is a community of communities built on shared interests and authentic conversations on the internet. They are seeking a Senior Machine Learning Engineer to develop and optimize safety systems by leveraging large language models to enforce Reddit Rules and ensure user safety.
Social MediaConsumer GoodsDigital MediaPublishingCommunitiesConsumerContentNewsSocial Network
Responsibilities
Design, develop, optimize and deploy ML models, including large language models, for various natural language processing tasks
Implement and maintain training pipelines, leveraging distributed training and optimizing for performance and efficiency
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 ML development and deployment
Qualification
Required
5+ 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
Entrepreneurial spirit, self-motivation, and a bias towards action in fast-paced environments
Benefits
Eligible to receive equity in the form of restricted stock units
May also be eligible to receive a commission
Medical, dental, and vision insurance
401(k) program with employer match
Generous time off for vacation
Parental leave
This role is completely remote friendly within the United States.
If you happen to live close to one of our physical office locations (San Francisco, Los Angeles, New York City & Chicago) our doors are open for you to come into the office as often as you'd like.
Company
Reddit, Inc.
Reddit is the heart of the internet, where millions of people get together to talk about any topic imaginable.
1001-5000 employees
H1B Sponsorship
Reddit, Inc. has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
84%
Represents job field similar to this job
Engineering and Development
Product Management
Management and Executive
Marketing
Creatives and Design
Sales
Customer Service and Support
Accounting and Finance
Trends of Total Sponsorships
*2026 (35)
2025 (99)
2024 (63)
2023 (76)
2022 (70)
2021 (68)
2020 (39)
Funding
Current Stage
Public CompanyTotal Funding
$1.33BKey Investors
FidelityVy CapitalTencent
2024-03-21IPO
2021-08-12Series F· $410M
2021-02-08Series E· $367.95M
Leadership Team
Steve Huffman
CEO
Andrew Vollero
Chief Financial Officer
Recent News
2026-08-08
Marketing Dive
2026-08-08
2026-08-08
Company data provided by crunchbase