New York, New York, United States Hybrid Employment

Fuku is hiring a Machine Learning Engineer - Search, Ranking & Personalization

About the Role

Fuku is hiring a Machine Learning Engineer to lead the development of search, ranking, and personalization systems. You will design, build, and scale ML infrastructure that serves a platform with hundreds of millions of items daily, directly influencing user retention and trust.

What You'll Do

  • Design, train, and deploy large-scale search, ranking, and personalization models.
  • Handle hundreds of millions of items daily with high performance and reliability.
  • Collaborate closely with backend and infrastructure teams to integrate ML models into production.
  • Continuously improve model accuracy and system scalability.
  • Contribute to product direction and technical roadmap for the company's ML systems.

What We're Looking For

  • Minimum of 3+ years professional experience building and deploying ML models in production.
  • Proven experience with ranking, recommendation, or personalization systems.
  • Proficiency in PyTorch and large-scale data processing for real-time inference.
  • Strong backend integration experience (GraphQL, Prisma, Node.js, Python, gRPC/Protobuf).
  • Willingness to work in a high-intensity, fast-paced startup environment.
  • Based in New York or remote in San Francisco.

Nice to Have

  • Current or prior experience at companies like DoorDash, Etsy, Pinterest, Amazon, or eBay.
  • Previous work on consumer-facing search or recommendation products.

Technical Stack

  • PyTorch
  • GraphQL
  • Prisma
  • Node.js
  • Python
  • gRPC/Protobuf

Team & Environment

Join the ML team, collaborating with a world-class team of engineers.

Benefits & Compensation

  • Direct impact on a core product with a massive, high-retention user base.
  • Work alongside top-tier engineers from leading consumer tech companies.
  • Fast-paced startup culture with rapid iteration and experimentation.
  • Opportunity to build the ML search and personalization strategy from scratch.
  • Salary: $190,000 – $260,000 per year + equity: Competitive equity package.

Work Mode

This is a hybrid position located in New York, NY or San Francisco, CA.

Required Skills
PyTorchGraphQLPrismaNode.jsPythongRPCProtobufMachine LearningRanking SystemsRecommendation SystemsPersonalizationLarge-scale Data ProcessingReal-time InferenceBackend Integration
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About company
Fuku

A fast-growing shopping platform with over 350,000 active users and a 90% retention rate, focused on building intelligent, personalized search and ranking systems to help users discover and trust products at scale.

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Posted 4 days ago