Senior ML Engineer – Remote, Scalable AI & Retrieval

Fdetimes; United States; Remote; USD 217,000 - 322,000; Full time

Benefits offered by this job

Healthcare Benefits

401k with Employer Match

Global Benefit programs

Family Planning Support

Gender-Affirming Care

Mental Health & Coaching Benefits

Flexible Vacation

Parental Leave

Job summary

Reddit is a community of communities. Reddit is hiring Senior and Staff Machine Learning Engineers to advance Answers smarter, more relevant, and more helpful.

You’ll lead ML projects from idea to production, partnering with Product, Data Science, and Engineering across recommendations, search, and AI systems. You’ll build and improve large-scale ML systems, including retrieval, embeddings, and LLM-powered features, and set technical direction to deliver measurable impact.

Qualifications

• 4–12 years of experience building, deploying, and operating ML systems in production.
• Broad knowledge of ML fundamentals and experience applying them in production; expert-level modeling depth isn’t required.
• Experience developing and productionizing models with TensorFlow, PyTorch, or Hugging Face Transformers
• Experience writing production-quality code, including testing, evaluation, and monitoring; Python experience required, Golang experience a plus
• Experience with ML systems such as data pipelines, feature engineering, model training and serving, and production monitoring
• Strong communication and collaboration skills, and a record of delivering measurable product impact

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
• Work with partner teams to shape product and technical roadmaps
• Evaluate new AI/ML approaches and support responsible LLM development
• Mentor engineers and contribute to long-term ML planning

Skills

ML fundamentals

Production ML

Python

TensorFlow/PyTorch

Cross-team collaboration

Tools

Hugging Face Transformers

Job description

Reddit is a community of communities. Reddit is hiring Senior and Staff Machine Learning Engineers to advance Answers smarter, more relevant, and more helpful.

You’ll lead ML projects from idea to production, partnering with Product, Data Science, and Engineering across recommendations, search, and AI systems. You’ll build and improve large-scale ML systems, including retrieval, embeddings, and LLM-powered features, and set technical direction to deliver measurable impact.