Building Interpretable Feature Representations for Resume-Vacancy Matching by Distilling Production LLM Signals
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Computer Science > Computation and Language
arXiv:2610.03112 (cs)
[Submitted on 2 Oct 2026]
Title:Building Interpretable Feature Representations for Resume-Vacancy Matching by Distilling Production LLM Signals
Authors:Ilya Chekin (1), Vyacheslav Malyugin (1), Vladimir Chirkov (1), Mikhail Yurushkin (2) ((1) BroutonLab, (2) Curately)
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Abstract:Matching candidates to vacancies is central to recruitment, and a recruiter needs to see why a candidate fits, not only a single opaque relevance score. We provide this evidence as named, interpretable matching dimensions recruiters can act on - eight in our current deployment. We propose a two-part approach. The first is an LLM-based labeler whose prompts and feature definitions were refined from recruiter feedback while it served as an earlier production matching stage. In the current architecture, it is used only for offline labeling and is not called on online requests. The second is a feature bi-encoder distilled from it: a LoRA-adapted embedding backbone with compact per-dimension heads that runs on CPU and serves all online requests. Both parts keep improving: prompts are revised as feedback arrives, and the bi-encoder is retrained on the updated labels. The model is trained on 168,772 labeled vacancy-resume pairs (17,921 vacancies and 180,030 resumes). Recruiters using the service can confirm or revise surfaced feature predictions. On 927 recruiter-recorded values from this selected production-feedback subset, the deployed student agrees with the recorded decisions in 888 cases (95.79%). This is operational, non-blinded agreement rather than an independent human evaluation.
| Comments: | Accepted to EMNLP 2026; 13 pages, 4 figures, 7 tables |
| Subjects: | Computation and Language (cs.CL) |
| Cite as: | arXiv:2610.03112 [cs.CL] |
| (or arXiv:2610.03112v1 [cs.CL] for this version) | |
| https://doi.org/10.48550/arXiv.2610.03112
arXiv-issued DOI via DataCite (pending registration)
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View a PDF of the paper titled Building Interpretable Feature Representations for Resume-Vacancy Matching by Distilling Production LLM Signals, by Ilya Chekin (1) and 4 other authors
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