Senior Machine Learning Engineer, Premium Discovery
Core
Senior ML Engineer owning recommendations for Fable (social reading app) and growing into technical lead for Premium recommendations.
Role type
Senior IC machine learning engineer (recommendations)
Builds
Modern recommendation stack (Orion) for Fable and Everand, including rankers, feature store, and embedding-based retrieval.
Domain
Consumer media/social reading apps
Deliverable
production ML models
Required skills
production recommender systems, large-scale data processing, cloud deployment, online experiment design, cross-team project leadership
Preferred skills
migrating production ML systems, social/graph-based recommendations, search and semantic retrieval
Technologies
Python, Go, gRPC, Ruby on Rails, Spark, Databricks, BigQuery, Kubernetes, AWS (EKS, ECS, Lambda, SageMaker), GCP (Vertex AI), Weaviate, Terraform, Datadog
Responsibilities
Lead migration of Fable recommendations onto Orion; extend Orion rankers and feature store; own production system health; integrate social signals into recommendations; design and analyze A/B tests; act as technical lead shaping roadmap and delivery; raise engineering practice standards
Seniority
Senior, hands-on IC with technical lead responsibilities
