Senior ML Engineer – Powering Answers Relevance

Reddit, Inc.; San Francisco (CA); On-site; USD 217,000 - 322,000; Full time

Benefits offered by this job

Comprehensive Healthcare Benefits

401k with Employer Match

Generous Time Off & Parental Leave

Job summary

Reddit, Inc. is hiring Senior and Staff Machine Learning Engineers to lead ML projects from idea to production, partnering with Product, Data Science, and Engineering across recommendations, search, messaging, and AI systems.

You’ll build and improve large-scale ML systems, set technical direction, and mentor engineers while shaping product roadmaps and evaluating new AI approaches. This role is based in San Francisco and offers competitive compensation and equity.

Qualifications

• 4–12 years of experience building, deploying, and operating ML systems in production.
• Broad knowledge of ML fundamentals and productionization; depth not required.
• Experience with TensorFlow, PyTorch, or Hugging Face Transformers in production.
• Production-quality code, testing, evaluation, and monitoring; Python preferred, Go a plus.
• Experience with ML data pipelines, feature engineering, model training and serving.

Responsibilities

• Build and improve large-scale ML systems, including retrieval and ranking, embeddings, and LLM-powered features.
• Set technical direction and deliver measurable user and business impact.
• Collaborate with product and engineering to shape roadmaps and enable adoption of new AI approaches.
• Mentor engineers and contribute to long-term ML planning.

Skills

Strong communication

Collaboration

Mentorship

Production ML

Education

Bachelors or equivalent experience

Tools

TensorFlow

PyTorch

Hugging Face Transformers

Python

Airflow

Job description

Reddit, Inc. is hiring Senior and Staff Machine Learning Engineers to lead ML projects from idea to production, partnering with Product, Data Science, and Engineering across recommendations, search, messaging, and AI systems.

You’ll build and improve large-scale ML systems, set technical direction, and mentor engineers while shaping product roadmaps and evaluating new AI approaches. This role is based in San Francisco and offers competitive compensation and equity.