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Location
In office (Beijing)

Confirmed on the employer's own hiring board on Oct 21, 2026. First seen by Alion on Sep 3, 2026. JD.com scores A on the Alion truth index.

Overview
Company
Impact
Profile match
JD.com is a Chinese retailer and logistics operator founded in 1998 by Richard Liu, which moved online in 2004 and built its business on first-party inventory rather than a pure marketplace model. Unlike its peers it owns most of the goods it sells and runs its own nationwide warehouse and delivery network, which gives it tight control over authenticity and same-day or next-day fulfilment for hundreds of millions of customers. The group has expanded into logistics services for third parties, healthcare, industrial supply, cloud computing and consumer finance, and is listed in both New York and Hong Kong.

岗位职责 / Responsibilities

我们是金融科技事业群,作为京东科技旗下核心事业群之一,主要业务聚焦于金融领域与科技技术的融合创新。在过去10余年间,我们基于服务京东内外生态的经验与积淀,从京东供应链走向产业供应链,携手金融机构等合作伙伴,陆续推出了多款供应链金融、消费金融、支付科技、信用卡数字化运营、财富管理、数据科技等产品,为大中小型企业及广大个人用户提供丰富便捷的金融科技服务。我们形成了覆盖京东内场+生态、科技+金融、上游+下游、B端+C端的全产业链综合服务能力。欢迎加入我们,一起推进产业与金融的优化融合与价值创造。

1.垂类后训练:负责金融领域大模型的 SFT / DPO 后训练,面向电销对话质检、多轮对话意图识别、合规检测、回复风格化生成等下游任务,完成指令数据构造与清洗、训练方案设计与多版本消融对比实验,持续提升模型在业务任务上的表现;

2.评测体系建设:建设金融领域评测 benchmark,覆盖金融常识(FinanceIQ、CFLUE 等公开评测集)、领域知识与下游业务任务(意图识别、合规检测、质检判别)多个维度,输出模型能力画像,支撑模型选型与上线决策;

3.业务指标导向迭代:定位 badcase、分析错误分布、设计针对性训练策略,持续提升意图准确率、合规检测准确率、质检召回率 / 精准率等关键业务指标;

4.推理效率优化:与推理部署团队协作,通过小尺寸模型替换、知识蒸馏、推测解码(Speculative Decoding)、量化等手段,在效果不降的前提下提升吞吐、降低推理成本,支撑日均数十万到百万级对话量的规模化处理;

5.资产沉淀:沉淀训练与评测的标准化流程,把单场景建模经验转化为可复用的团队资产。

任职要求 / Requirements

1.专业背景:计算机、人工智能、自然语言处理等相关专业本科及以上学历。

2.行业深耕:理解 NLP / 大模型算法经验,深入理解大模型预训练、指令微调(SFT)、偏好对齐(DPO/RLHF)的原理与常用做法,有面向业务场景做效果优化的完整经验。

3.技术储备:熟练使用 Python 与 PyTorch 等主流深度学习框架,能独立完成数据处理、训练脚本编写、多版本消融实验与结果分析; 熟悉常见评测指标与评测方法(准确率、F1、宏平均、混淆矩阵等)。

4.工程落地:熟悉大规模训练与推理框架(Megatron、DeepSpeed、vLLM 等),具备分布式训练实战经验。

5.软素质:具备优秀的问题抽象能力,能从业务现象中定义模型问题; 有跨团队协作与推动落地的能力。

加分项

1.有金融 / 合规领域模型训练经验(意图识别、合规检测、质检判别、内容生成润色等);

2.熟悉垂类模型落地全链路:指令数据构造、知识蒸馏、推测解码、量化、小模型替换大模型的推理优化实践;

3.熟悉主流开源模型(Deepseek、Qwen 系列等)的训练与调优,有大规模训练或 RAG / Agent 应用落地经验;

4.在 ACL、EMNLP、NeurIPS 等顶会发表过相关论文,或在知名算法赛事中取得过优异成绩;

5.符合京东价值观:客户为先、创新、拼搏、担当、感恩、诚信。

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