AI Researcher (AI-Oriented Knowledge Systems)

About the role

The AI Researcher (AI-Oriented Knowledge Systems) position at GenScript Biotech Corporation focuses on advancing knowledge systems through innovative research and development.

Responsibilities

• Responsible for one or two of the following areas: Knowledge Extraction & Structuring, Research techniques for extracting structured knowledge from multi-source heterogeneous data (documents, web pages, databases, conversation logs), Design automated pipelines for entity recognition, relation extraction, and event detection, Develop knowledge quality assessment and cleaning mechanisms to filter noise and conflicting information, Explore LLM-assisted knowledge extraction methods, balance automation efficiency with manual validation costs, Research incremental knowledge extraction strategies to support continuous knowledge base updates and expansion, Knowledge Organization & Representation, Design knowledge graph schemas and ontologies to build structured frameworks for domain knowledge, Research Knowledge Embedding techniques to achieve fusion of knowledge and vector spaces, Develop multi-level knowledge representation systems supporting coarse-to-fine granularity knowledge navigation, Explore knowledge fusion and alignment techniques to resolve entity disambiguation and conflict resolution from multi-source knowledge, Research knowledge version management and provenance mechanisms to ensure knowledge traceability, Knowledge Retrieval & Augmentation, Optimize RAG (Retrieval-Augmented Generation) systems to improve retrieval accuracy and answer quality, Research hybrid retrieval strategies combining vector search, keyword search, graph traversal, and other approaches, Develop retrieval re-ranking algorithms to enhance Top-K result relevance, Design retrieval-generation collaborative optimization mechanisms to reduce hallucinations and erroneous citations, Explore retrieval feedback learning to continuously optimize retrieval strategies based on user behavior, Knowledge Reasoning & Question Answering, Research knowledge graph-based reasoning techniques supporting multi-hop reasoning, logical reasoning, and causal reasoning, Develop Complex QA systems supporting multi-condition and multi-step question answering, Explore fusion methods combining LLMs with symbolic reasoning, leveraging advantages of both neural and symbolic approaches, Design interpretability frameworks for reasoning processes, supporting answer provenance and reasoning chain visualization, Research knowledge gap detection and active learning mechanisms to identify coverage blind spots in the knowledge base, Knowledge Update & Maintenance, Design knowledge timeliness management mechanisms supporting knowledge expiration detection and automatic updates, Research knowledge conflict detection and resolution strategies for handling contradictory information fusion, Develop knowledge base health monitoring systems tracking coverage, accuracy, freshness, and other metrics, Explore human-feedback-driven knowledge iteration mechanisms, Research knowledge compression and summarization techniques to optimize storage efficiency and retrieval performance

  Requirements

  • Master’s degree or above in Computer Science, Artificial Intelligence, Information Management, or related fields
  • 3+ years of AI-related research or development experience with hands-on experience in knowledge graphs, RAG, or QA systems
  • Publishations in top-tier conferences (ACL, EMNLP, SIGIR, WWW, NeurIPS, etc.) preferred
  • Programming & Engineering
  • Proficient in Python with expertise in data processing and large-scale text processing techniques
  • Familiar with mainstream NLP frameworks (spaCy, NLTK, HuggingFace Transformers, etc.)
  • Experience with graph databases (Neo4j, NebulaGraph, JanusGraph, etc.)
  • Familiar with vector databases (Milvus, Chroma, Weaviate, FAISS, etc.)
  • AI Expertise
  • Deep understanding of core NLP technologies: entity recognition, relation extraction, text classification, semantic similarity
  • Familiar with the full lifecycle of knowledge graph construction and application
  • Proficient in RAG technology stack with hands-on experience in retrieval optimization, re-ranking, and answer generation
  • Prior experience in vertical domain knowledge system construction and knowledge-driven LLM application deployment (e.g., healthcare, legal, finance, technology)
  • Familiar with multi-modal knowledge processing (text + image + table + structured data)
  • Data Processing
  • Familiar with large-scale data processing technologies (Spark, Flink, Dask, etc.)
  • Experience in data governance such as data cleaning, deduplication, and standardization
  • Familiar with common data formats and protocols (JSON, XML, RDF, OWL, etc.)
  • Research Capabilities
  • Ability to conduct independent technical research, owning the full process from problem definition to solution deployment
  • Strong literature review and summarization skills with ability to quickly absorb cutting-edge research findings
  • Experimental design and evaluation capabilities, able to design proper comparative and ablation studies
  • Soft Skills
  • Strong interest in the intersection of knowledge engineering and AI, keeping up with latest domain developments
  • Excellent communication and collaboration skills, able to work efficiently with engineering and product teams
  • Systems thinking ability to approach knowledge system design from an overall architecture perspective

  Benefits

  • Medical, dental, and vision insurance
  • 401(k) retirement plan with a company match that vests fully on day one
  • Paid parental leave after just three (3) months of employment
  • Paid time off policy that includes vacation time, personal time, sick time, floating holidays, and company holidays
  • Additional benefits include flexible spending and health savings accounts, life and AD&D insurance, short- and long-term disability coverage, legal assistance, and supplemental plans such as pet, critical illness, accident, and hospital indemnity insurance
  • Commuter benefits
  • Well-being initiatives
  • Peer-to-peer recognition programs

  GenScript Benefits

  • Benefits include medical, dental, and vision insurance as well as a 401(k) retirement plan with a company match that vests fully on day one.
  • We offer paid parental leave after just three (3) months of employment, and a paid time off policy that includes vacation time, personal time, sick time, floating holidays, and company holidays.
  • Additional benefits include flexible spending and health savings accounts, life and AD&D insurance, short- and long-term disability coverage, legal assistance, and supplemental plans such as pet, critical illness, accident, and hospital indemnity insurance.
  • We also provide commuter benefits, well-being initiatives, and peer-to-peer recognition programs; demonstrating our ongoing commitment to building a culture where our people feel empowered, supported, and inspired to do their best work.

  Equal Opportunity Employer

  GenScript USA Inc/ProBio Inc. is a proud equal opportunity/affirmative action employer committed to attracting, retaining, and maximizing the performance of a diverse and inclusive workforce. It is the Company's policy to ensure equal employment opportunity without discrimination or harassment based on race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity or expression, age, disability, national origin, marital or domestic/civil partnership status, genetic information, citizenship status, uniformed service member or veteran status, or any other characteristic protected by law.