About this role
Design, build, and optimize the recommendation systems that power Fortnite's Discover experience across candidate generation, ranking, impression allocation, and real-time reranking. Own ML infrastructure decisions, run A/B experiments and evaluation frameworks, and collaborate with analytics and content teams to deploy deep learning-based retrieval and ranking models.
Skills for this role
Recommendation systemsRetrievalRankingRerankingDeep learningTwo-tower architecturesTransformer-based sequence modelsEmbedding-based retrievalUser representation systemsCandidate generationImpression allocationMulti-stage recommendation pipelinesA/B testingEvaluation frameworksPythonPyTorchTorchRecTransformersSparkRayDatabricksAWSCloud-based ML environmentsExplore/exploit strategiesContent cold-startCounterfactual evaluationNLPComputer VisionGenerative AILarge-scale data processing