Enhancing Talent Search Ranking with Role-Aware Expert Mixtures and LLM-based Fine-Grained Job Descriptions
Jihang Li, Bing Xu, Zulong Chen, Chuanfei Xu, Minping Chen, Suyu Liu, Ying Zhou, Zeyi Wen
Abstract
Talent search is a cornerstone of modern recruitment systems, yet existing approaches often struggle to capture nuanced job-specific preferences, model recruiter behavior at a fine-grained level, and mitigate noise from subjective human judgments. We present a novel framework that enhances talent search effectiveness and delivers substantial business value through two key innovations: (i) leveraging LLMs to extract fine-grained recruitment signals from job descriptions and historical hiring data, and (ii) employing a role-aware multi-gate MoE network to capture behavioral differences across recruiter roles. To further reduce noise, we introduce a multi-task learning module that jointly optimizes click-through rate (CTR), conversion rate (CVR), and resume matching relevance. Experiments on real-world recruitment data and online A/B testing show relative AUC gains of 1.70% (CTR) and 5.97% (CVR), and a 17.29% lift in click-through conversion rate. These improvements reduce dependence on external sourcing channels, enabling an estimated annual cost saving of millions of CNY.- Anthology ID:
- 2025.emnlp-industry.13
- Volume:
- Proceedings of the 2025 Conference on Empirical Methods in Natural Language Processing: Industry Track
- Month:
- November
- Year:
- 2025
- Address:
- Suzhou (China)
- Editors:
- Saloni Potdar, Lina Rojas-Barahona, Sebastien Montella
- Venue:
- EMNLP
- SIG:
- Publisher:
- Association for Computational Linguistics
- Note:
- Pages:
- 185–194
- Language:
- URL:
- https://preview.aclanthology.org/ingest-emnlp/2025.emnlp-industry.13/
- DOI:
- Cite (ACL):
- Jihang Li, Bing Xu, Zulong Chen, Chuanfei Xu, Minping Chen, Suyu Liu, Ying Zhou, and Zeyi Wen. 2025. Enhancing Talent Search Ranking with Role-Aware Expert Mixtures and LLM-based Fine-Grained Job Descriptions. In Proceedings of the 2025 Conference on Empirical Methods in Natural Language Processing: Industry Track, pages 185–194, Suzhou (China). Association for Computational Linguistics.
- Cite (Informal):
- Enhancing Talent Search Ranking with Role-Aware Expert Mixtures and LLM-based Fine-Grained Job Descriptions (Li et al., EMNLP 2025)
- PDF:
- https://preview.aclanthology.org/ingest-emnlp/2025.emnlp-industry.13.pdf