Senior Staff ML Engineer, Search & Recommendation

Навыки

• Go
• Лидерство
• LLM
• Machine Learning
• Python
• PyTorch
• RAG

Задачи

• Contribute to advancing Reddit's Search and Recommendations products by designing AI-driven Search experience prioritizing seamless and delightful user experience
• Deeply understand the Reddit search product and drive the vision for the search relevance team
• Enhance core search retrieval and ranking, design and implement new search engine features, build and scale search indexes, develop and test new pipeline components
• You will also deploy ML models, integrate LLMs, and ensure robust monitoring and smooth product integration throughout the process
• Collaborate across disciplines and with ML, Product, Infrastructure, and DS teams at Reddit to find technical solutions to complex challenges
• Mentor and guide senior and staff engineers in the team
• Influence org-wide technical direction and partner closely with senior leadership to shape the long-term roadmap
• Reddit is a community of communities
• It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet
• Every day, Reddit users submit, vote, and comment on the topics they care most about
• As a Senior Staff, you will design and build a large-scale system that powers end-to-end search relevance at scale
• You’ll work across multiple areas of the stack, including query understanding, retrieval, ranking, features, measurement, LLM-based answers, RAG etc, partnering deeply with product, org leads, and other XFN to deliver reliable, high quality systems that can help Reddit Search scale to billions of users

Требования

• 10+ years of industry experience with deep expertise in large-scale search and recommendation systems
• Proven ability to identify key opportunities, define roadmaps and drive scalable improvement in search relevance
• Strong experience in building and deploying large-scale ML models using frameworks such as PyTorch or Tensorflow
• Experience working with LLM in production, including evaluation, tuning and deployment
• In-depth knowledge and experience working with lexical and semantic retrieval systems
• Proficiency in object-oriented programming (Python, Golang)

Будет плюсом

• experience building production Agentic AI frameworks

Условия

• Comprehensive Healthcare Benefits and Income Replacement Programs
• 401k with Employer Match
• Global Benefit programs that fit your lifestyle, from workspace to professional development to caregiving support
• Family Planning Support
• Gender-Affirming Care
• Mental Health & Coaching
• Flexible Vacation & Paid Volunteer Time Off
• Generous Paid Parental Leave
• With 100,000+ active communities and approximately 130 million daily active unique visitors, Reddit is one of the internet’s largest sources of information
• For more information, visit www.redditinc.com
• The Search Recommendations & Relevance team at Reddit is building the next generation of search - one that goes beyond “10 blue links” to deliver real answers, perspectives and conversation from the world's largest corpus of human conversation
• We power both Reddit Search and our AI-native Search experience, redefining how users discover and interact with information
• Redditors produce the most amazing content about every niche topic in the world – this underleveraged data coupled with modern advances in AI systems is presenting a unique opportunity to quickly build a new kind of search engine

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