Staff ML Engineer — Remote, End-to-End Large-Scale ML

Fdetimes; United States; Remote; USD 230,000 - 322,000; Full time

Benefits offered by this job

Healthcare benefits

401k with company match

Generous time off

Job summary

Reddit is hiring Staff Machine Learning Engineers to drive the next generation of its ML ecosystem across recommendations, search, messaging, and AI foundations. You will lead cross-functional initiatives from ideation to production, shaping technical strategy and product direction for multiple ML domains.

The role emphasizes building scalable ML systems, advancing research, and mentoring engineers while delivering measurable user and business impact at massive scale.

Qualifications

• 7+ years of experience building, deploying, and operating machine learning systems in production.
• Deep understanding of machine learning methods, spanning classical approaches and modern deep learning (e.g., Transformers, GNN, etc)
• Expert at developing and productionizing models using TensorFlow, PyTorch, or Hugging Face Transformers
• Experience building production-quality code incorporating testing, evaluation, and monitoring using object-oriented programming, including experience in Python and Golang
• Experience designing and scaling ML systems, including data pipelines, feature engineering, model training/serving, and production monitoring
• Excellent communication and collaboration skills, with the ability to discuss complex technical topics with diverse teams and translating product needs into scalable ML solutions
• Track record of driving measurable impact through applied machine learning in real-world products

Responsibilities

• Lead end-to-end ML initiatives from ideation through production and iteration, shaping technical direction and translating product goals into scalable solutions
• Architect, build and deploy large-scale ML systems across recommendation, search, and content/user understanding, including retrieval/ranking models, representation learnings embeddings optimizations, and LLM or GenAI-powered capabilities
• Drive measurable impact on user engagement, discovery, and long-term value
• Collaborate with cross-functional teams to align product and technical roadmaps and unlock key future ML capabilities
• Stay at the forefront of AI research, evaluating and introducing new AI/ML paradigms to keep Reddit’s ML ecosystem at the cutting edge
• Contribute to the development of best practices, guidelines, and ethical AI principles for responsible LLM development and deployment
• Mentor and guide senior and mid-level ML engineers, fostering a culture of excellence, innovation, and knowledge sharing
• Set technical vision and drive technical discussions, present findings to leadership, and contribute to long-term ML planning and decision-making

Skills

Production ML

Transformers

PyTorch

TensorFlow

Golang

Python

Data pipelines

Model deployment

Cross-functional

Communication

Education

Advanced degree in CS/ML

Tools

Hugging Face Transformers

Spark

BigQuery

Redis

Job description

Reddit is hiring Staff Machine Learning Engineers to drive the next generation of its ML ecosystem across recommendations, search, messaging, and AI foundations. You will lead cross-functional initiatives from ideation to production, shaping technical strategy and product direction for multiple ML domains.

The role emphasizes building scalable ML systems, advancing research, and mentoring engineers while delivering measurable user and business impact at massive scale.