Expert in Personalized Content Development

7 days ago


Hong Kong, Central and Western District, Hong Kong SAR China OKX Full time

We are a leading crypto exchange and developer of OKX Wallet, empowering millions worldwide to access crypto trading and decentralized applications.

Our core principles - We Before Me, Do the Right Thing, and Get Things Done - drive our culture, shape our processes, and foster a friendly, diverse environment for every OK-er.

The Recommendation Team plays a vital role in enhancing user experiences by delivering engaging content in real-time. We develop and refine machine learning algorithms that power content feeds, personalized recommendations, and user growth strategies.

This position focuses on developing large-scale recommendation algorithms to improve personalized user experiences in content feeds, recommendations, and engagement-driven interactions.

Key Responsibilities:
  • Develop and optimize retrieval, ranking, and re-ranking models to refine recommendation precision and diversity
  • Implement sequence-based models (e.g., Transformers, RNNs) to understand user behavior over time and improve personalization
  • Improve recall mechanisms using collaborative filtering, content-based filtering, and deep learning-based vector search techniques
  • Leverage multi-modal learning (text, image, graph) to enhance content understanding and personalization
  • Collaborate cross-functionally with product managers, data engineers, and infrastructure engineers to refine recommendation strategies

Requirements:

  • 5+ years of experience in recommendation systems, machine learning, or related AI fields. Senior candidates will be considered for lead roles.
  • Hands-on experience with machine learning models (collaborative filtering, matrix factorization, deep learning-based recommenders)
  • Familiarity with retrieval, ranking, re-ranking, and cold-start problem solutions in large-scale recommendation systems
  • Experience with deep learning frameworks such as TensorFlow or PyTorch
  • Proficiency in big data processing (Spark, Hive, Hadoop) and large-scale distributed computing

Preferred Qualifications:

  • Experience in startup environments and fast-paced companies or top-tier technology companies
  • Experience in personalized content feeds, social media recommendations, or e-commerce recommendations

Benefits:

  • Competitive total compensation package
  • L&D programs and Education subsidy for employees' growth and development
  • Team building programs and company events
  • Wellness and meal allowances
  • Comprehensive healthcare schemes for employees and dependants


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