• 6+ years of industry experience
• 4+ years of experience in building and productionizing end-to-end state of the art candidate retrieval and ranking machine learning models at scale
• Deep systems level understanding of industry scale recommendation systems
• Proficient in programming languages such as Python, Golang
• Proficient in working and building machine learning models using PyTorch or Tensorflow

Desirable

• Reddit is looking for an experienced Senior Machine Learning Engineer, Core Relevance to join our ML Core Relevance team
• You will execute on our mission to build, productionize and improve large-scale machine learning models for home feed personalization
• You will design and implement ML systems and solutions for rapid content discovery for low-signal users, enable dynamic personalization into our recommendation pipelines, strive to achieve the right balance between exploration and exploitation for our core users
• In this role, you will partner with a diverse group of software engineers, product managers, data scientists and other ML modelers. We are excited for you to join our team
• Contribute to enhancing Reddit's home feed recommendation system and other high-traffic product areas, prioritizing long-term user growth and retention. This involves researching, implementing, improving, testing, and launching new model architectures for candidate retrieval and ranking, such as two-tower, transformer, and graph neural network models
• Design and implement content discovery algorithms to connect our users with the most relevant content
• Develop and implement algorithms to enhance content distribution within the content and creator ecosystems
• Mentor junior engineers
• Work with large scale data, models, piplelines and product integration