Job Description

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.

The Safety ML team is building and iterating on the next generation of safety systems that support the enforcement of our platform rules that keep Reddit safe for millions of users. As a  Senior Machine Learning Engineer on the Safety team you will develop, train and optimize state-of-the-art language models (LLMs) that unlock scale and efficiency. You will partner closely with peer Safety teams (Operations, Engineering, Product) to identify and build solutions that will help keep users safe as we pursue our mission to bring community, belonging and empowerment to everyone on the internet!.

Responsibilities:

• Design, develop, and optimize 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 LLM development and deployment.

Qualifications:

• 5+ years of relevant MLE industry 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:

• Comprehensive Healthcare Benefits and Income Replacement Programs

• 401k Match

• Family Planning Support

• Gender-Affirming Care

• Mental Health & Coaching Benefits

• Flexible Vacation & Reddit Global Days off

• Generous paid Parental Leave

• Paid Volunteer time off

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  .

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:

$216,700—$303,400 USD

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