京东算法工程师(外投系统)
社招全职算法开发岗地点:海南状态:招聘
任职要求
1.计算机科学、数学、统计学等相关专业;广告、推荐、搜索等相关领域的算法研发经验优先; 2.精通TensorFlow/PyTorch等深度学习框架;具备扎实的算法与数据结构功底,熟练掌握Hive/Spark/Hadoop等大数据工具,有大规模机器学习系统性能优化经验者优先; 3.深入理解LLM、深度学习、因果推断、强化学习等核心算法原理,…
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工作职责
1.负责智能投放系统的技术研究与落地。结合LLM、上下文工程、多智能体系统等前沿技术构建新一代的自适应投放决策框架,赋予系统自主理解、决策、执行的能力,实现跨平台、全自动的智能投放; 2.负责广告召回与排序系统的迭代优化,支撑每日千亿级请求。探索并应用生成式召回与排序 (Generative Retrieval/Ranking)、文本语义理解、图神经网络、多模态召回等前沿召回范式,并优化个性化排序机制,实现用户意图的精准捕捉与高效匹配; 3.负责外投广告核心模型体系构建。运用深度学习、因果推断、多模态等技术,持续优化pCVR/pLTV/pΔLTV/pCTR等关键预估模型,攻坚延迟转化归因、多目标融合等业界难题,打造行业先进的模型预测能力; 4.主导RTA实时出价与报价策略升级。运用强化学习、规划求解、生成式出价、博弈论等技术,突破海量场景下的竞价效率瓶颈,实现平台、用户与广告主多方目标的动态平衡,显著提升广告投放ROI。
包括英文材料
算法+
https://roadmap.sh/datastructures-and-algorithms
Step by step guide to learn Data Structures and Algorithms in 2025
https://www.hellointerview.com/learn/code
A visual guide to the most important patterns and approaches for the coding interview.
https://www.w3schools.com/dsa/
TensorFlow+
https://www.youtube.com/watch?v=tpCFfeUEGs8
Ready to learn the fundamentals of TensorFlow and deep learning with Python? Well, you’ve come to the right place.
https://www.youtube.com/watch?v=ZUKz4125WNI
This part continues right where part one left off so get that Google Colab window open and get ready to write plenty more TensorFlow code.
PyTorch+
https://datawhalechina.github.io/thorough-pytorch/
PyTorch是利用深度学习进行数据科学研究的重要工具,在灵活性、可读性和性能上都具备相当的优势,近年来已成为学术界实现深度学习算法最常用的框架。
https://www.youtube.com/watch?v=V_xro1bcAuA
Learn PyTorch for deep learning in this comprehensive course for beginners. PyTorch is a machine learning framework written in Python.
深度学习+
https://d2l.ai/
Interactive deep learning book with code, math, and discussions.
数据结构+
https://www.youtube.com/watch?v=8hly31xKli0
In this course you will learn about algorithms and data structures, two of the fundamental topics in computer science.
https://www.youtube.com/watch?v=B31LgI4Y4DQ
Learn about data structures in this comprehensive course. We will be implementing these data structures in C or C++.
https://www.youtube.com/watch?v=CBYHwZcbD-s
Data Structures and Algorithms full course tutorial java
Hive+
[英文] Hive Tutorial
https://www.tutorialspoint.com/hive/index.htm
Hive is a data warehouse infrastructure tool to process structured data in Hadoop. It resides on top of Hadoop to summarize Big Data, and makes querying and analyzing easy.
https://www.youtube.com/watch?v=D4HqQ8-Ja9Y
Spark+
[英文] Learning Spark Book
https://pages.databricks.com/rs/094-YMS-629/images/LearningSpark2.0.pdf
This new edition has been updated to reflect Apache Spark’s evolution through Spark 2.x and Spark 3.0, including its expanded ecosystem of built-in and external data sources, machine learning, and streaming technologies with which Spark is tightly integrated.
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