Senior Staff Algorithm Engineer Recommendation
You will own the technical direction of a next-generation social feed recommendation system. You will improve ranking models, build unified user-intent representations, define the technical roadmap toward generative recommendation, and integrate recommendation and search capabilities into an LLM Agent framework.
Responsibilities
- Elevate the ranking system through continuous model iteration
- Build a cross-domain user-intent framework
- Define and execute a 12–24 month technical roadmap toward generative recommendation
- Integrate recommendation and search capabilities into an LLM Agent framework
Requirements
- Master's degree or above in Computer Science or Mathematics
- 8+ years of experience, including 5+ years in recommendation or search roles
- Experience owning end-to-end recommendation pipelines at 10M+ DAU scale
- Experience designing unified intent representations across content, feature, and search domains
- Experience with real-time behavioral signals and long-term user preferences
- Deep understanding of attention mechanisms and sequential behavior modeling
- Proficiency in ListMLE, Softmax Loss, and joint multi-candidate ranking
- Expert knowledge of MMoE, PLE, ESMM, gradient conflict mitigation, and composite loss functions
- Experience connecting offline metrics such as AUC and NDCG with online business KPIs
- Experience with Uplift Modeling, bias correction, and probability calibration
- Knowledge of semantic tokenization, conditional sequence generation, RLHF, or DPO
- Experience with LLM Agent frameworks, tool use, ReAct, and natural-language intent translation
- Experience with large-scale distributed training, Flink, Kafka, and inference optimization
Benefits
- L&D programs
- Education subsidy
- Team-building programs
- Company events
- Wellness allowance
- Meal allowance
- Comprehensive healthcare schemes for employees and dependants