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Senior Software Engineer, Hybrid IR and Systems
Job in
New York, New York County, New York, 10261, USA
Listed on 2026-09-05
Listing for:
Helios
Full Time
position Listed on 2026-09-05
Job specializations:
-
Software Development
AI Engineer (Applied/Software)
Job Description & How to Apply Below
Location: New York
Own the end-to-end retrieval stack for the Helios Rapid Ontology System, including index design, hybrid retrieval, and reranking. Advance query-understanding and temporal-retrieval capabilities to ensure traceable and auditable AI outputs.
Requirements: Requires deep expertise in retrieval mechanisms, vector and lexical indices, and temporal modeling. Candidates should be driven innovators capable of operating in high-stakes, regulated environments.
Key
Skills:
Information Retrieval, Vector Indices, Lexical Indices, Rank Fusion, Query Intent Classification, Entity Linking, Temporal Modeling, Multilingual Retrieval, Cross Encoder Reranking, BM25, HNSW, Tokenization, Federated Search, Capacity Planning, Embedding Models, Fine Tuning
Position Requirements
10+ Years
work experience
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