ByteDance
Posted 5y ago

支付风险算法工程师-风控

ByteDance
Beijing, Beijing, China
OnsiteFull Time
Responsibilities
  • developing models
  • deploying models
  • analyzing data
Requirements
  • Develop and deploy fraud and credit-scoring models for payments using ML
  • Strong algorithm and ML foundations
  • 2+ years related experience
  • Proficiency in Python/Java/Scala and SQL/Hive/Spark/Flink
Technical tools mentioned
PythonJavaScalaSQLHiveSparkFlink

Job description

1、结合电商、支付数据,开发并优化欺诈套现模型、支付信用分、用户画像等模型;
2、搭建各业务环节的机器学习模型,并负责模型部署应用、维护、监控和升级迭代;
3、推动用户行为序列、消费能力、欺诈特征挖掘,并对数据挖掘结果进行评估和校验;
4、负责建模流程优化,提升模型开发和部署效率,降低模型维护成本;
5、研究前沿机器学习算法在领域的实践和应用。

1、数学或计算机专业本科及以上学历,扎实的计算机算法基础,熟悉机器学习基本理论;
2、熟练掌握Python/Java/Scala等建模语言,熟练使用SQL/Hive/Spark/Flink等数据统计工具;
3、精通LR,GBDT等常用统计学习方法,熟悉多目标学习、深度学习、在线学习算法,良好的编码习惯和工程优化能力;
4、2年以上互联网数据挖掘或机器学习的工作经历;
5、自然语言处理、图谱挖掘、欺诈检测优先;有过信用分、支付风控经验优先。

About ByteDance

Developing AI-driven content platforms and mobile applications.

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