Machine Learning Engineer - Risk & AI

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Machine Learning Engineer - Risk & AI in USA new

OKX
Full time
Email

USA
11/12/2026
Report

San Jose, CA

Responsibilities

Build, evaluate, deploy, and monitor machine learning models for fraud and risk detection.
Improve data quality, feature engineering, and model performance while balancing fraud detection with customer experience.
Develop AI agents for investigations, case summarization, evidence retrieval, and routine workflow automation.
Use AI coding tools to accelerate development, testing, and debugging while reviewing and validating generated code.
Collaborate with engineering, product, risk, analytics, and operations teams to deploy solutions and measure their impact.

Requirements

Strong machine learning foundation with hands-on experience in deep learning and tree-based models such as XGBoost or LightGBM.
Strong Python skills and experience training, evaluating, and deploying models.
Practical experience building AI agents or LLM applications, including tool calling, retrieval, or workflow automation; prototypes and personal projects are acceptable.
Regular use of AI coding tools with the ability to understand, test, and improve generated code.
Familiarity with databases and data pipelines for training-data preparation and ML workflows.
Experience with account takeover, scam detection, fraud, or other risk use cases is preferred.
Experience with LLM training, fine-tuning, evaluation, alignment, reinforcement learning, real-time ML systems, imbalanced datasets, or model explainability is preferred.
Fluency in Mandarin is preferred.
Strong problem-solving, communication, and collaboration skills.

Benefits

Competitive total compensation package, including possible performance bonus and long-term incentives.
Learning and development programs, team-building programs, company events, wellness allowances, and meal allowances.
Comprehensive healthcare schemes for employees and dependants.
Hybrid work arrangement, as indicated by the #LI-HYBRID posting designation.

Salary: $215k - $322k/yr

OKX

At OKX, we believe that the future will be reshaped by Crypto, ultimately contributing to every individual's freedom. OKX began as a crypto exchange giving millions of people access to crypto trading and over time becoming among the largest platforms in the world. In recent years, we have develop...

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