后端开发工程师（算法工程/大模型应用方向） - 中国交易与广告
Core
Build algorithm quality systems, large model emergency systems, and infrastructure for high-concurrency transaction and advertising business lines.
Role type
Senior IC backend engineer (algorithm engineering / LLM applications)
Builds
Algorithm quality systems, large model emergency systems, and stable engineering infrastructure for transaction and ad products
Domain
E-commerce, digital advertising, and content recommendation
Deliverable
production ML models
Required skills
C++/Go/Java/Python, distributed systems, microservices, database, caching, message queues, complex system abstraction, MLOps, AIOps, LLM application development (tool calling, RAG, task orchestration)
Preferred skills
Experience with recommendation/ad/search models, feature engineering, sample engineering, online stability governance
Technologies
C++, Go, Java, Python, Kubernetes, Prometheus, Kafka, Redis, MySQL, Elasticsearch
Responsibilities
Develop algorithm quality systems for model chain consistency and anomaly detection; Build large model emergency systems with Agent, Skill, and Memory capabilities; Construct infrastructure for CI/CD, canary releases, and monitoring; Design self-healing systems for service and model high availability
