JD Retail · Retrieval infrastructure
Hybrid search, Doc2Query, and intent-driven service matching.
Role and focus
JD Retail · AI Infrastructure. Dec 2025 to Mar 2026. Role: AI Infrastructure Software Engineer.
Built shared retrieval foundations and intent-driven recommendation workflows for enterprise knowledge and merchant services.
Section sources
Published responsibilities
Designed a multi-source hybrid retrieval framework across semantic vector search, keyword search, and intent routing.
Led an end-to-end Doc2Query pipeline that addressed the semantic gap between user language and platform knowledge.
Contributed to a recommendation flow combining user profiles, metric evaluation, action plans, and service matching.
Section sources
Scope of this account
This record establishes the published responsibilities and technical direction. It does not provide internal architecture, customer data, a personal contribution percentage, or a verified numerical outcome. Personal projects are documented separately and should not be treated as company deliverables.