AI Senior/Lead Engineer (Recommendation) at OKX

OKX is seeking an AI Senior/Lead Engineer to join their Recommendation Team. The ideal candidate will be responsible for developing and optimizing recommendation algorithms to enhance user experiences on the OKX platform. This involves improving personalized content feeds and engagement-driven interactions.

The role involves collaborating with product managers, data engineers, and infrastructure engineers to refine recommendation strategies. The AI Senior/Lead Engineer will also conduct A/B tests to evaluate algorithm performance, analyze results, and iterate accordingly. They will be responsible for enhancing system efficiency and scalability while ensuring high-performance model deployment in real-world production environments at OKX.

Responsibilities include:

• Developing and optimizing large-scale recommendation algorithms.
• Implementing and enhancing retrieval, ranking, and re-ranking models.
• Applying sequence-based models to understand user behavior.
• Improving recall mechanisms using collaborative filtering and deep learning.
• Leveraging multi-modal learning to enhance content understanding.
• Collaborating with cross-functional teams.
• Running A/B tests to assess algorithm performance.
• Enhancing system efficiency and scalability.
• Staying updated with the latest research in recommendation systems.

Requirements:

• 5+ years of experience in recommendation systems, machine learning, or related AI fields.
• Hands-on experience with machine learning models.
• Familiarity with retrieval, ranking, re-ranking, and cold-start problem solutions.
• Experience with deep learning frameworks such as TensorFlow or PyTorch.
• Proficiency in big data processing (Spark, Hive, Hadoop).
• Understanding of user behavior modeling, multi-modal learning, and reinforcement learning.
• Strong analytical and problem-solving skills.
• Excellent communication skills.

OKX offers:

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