Description
Job Title : Senior Data Scientist
Location: Hyderabad, India (Hybrid)
Department: Artificial Intelligence
Reports to: ED - AI & Data Science - USA
About GHX
GHX (Global Healthcare Exchange) is a leading healthcare technology company on a mission to simplify the business of healthcare and improve patient outcomes. Founded in 2000, GHX has built the GHX Global Network — the world's largest cloud-based supply chain community connecting healthcare providers, suppliers, distributors, and partners to automate key processes, reduce costs, and increase operational efficiency. We've become the industry's most trusted digital backbone—connecting 1.3M trading partners, processing $19.6B in annual payments, and managing $223B in supply chain transaction volume. Our cloud-based platform powers mission-critical workflows for healthcare providers, suppliers, distributors, and partners worldwide. Through solutions spanning electronic trading, procurement automation, inventory management, contract administration, business intelligence, and data synchronization, we enable healthcare organizations to reduce costs, streamline operations, and redirect resources toward patient care.
Our Products & Platforms: GHX Exchange, Value Analysis, Order Automation, Invoice & Payment Solutions, Credentialing, Inventory Management and Supply Chain Platform
Website: https://www.ghx.com | LinkedIn: https://www.linkedin.com/company/ghx
Summary:
The Senior Data Scientist – Knowledge Representation is a core technical role on the Healthcare Supply Chain (HCSC) Knowledge Representation (KR) team. This role brings machine learning, data science, and AI capabilities directly in service of knowledge representation problems: entity resolution, knowledge graphs, embedding-based semantic alignment, LLM-assisted knowledge extraction, and validation of ontological claims against data.
Our platform connects hospitals, distributors, GPOs, manufacturers, and regulators, enabling transactional execution, clinical data alignment, and analytics optimization across organizational boundaries. Each party encodes its own implicit knowledge about the world in its schemas, identifiers, and workflows. The KR team's job is to make that implicit knowledge explicit, alignable, and trustworthy.
Essential Duties:
- Design and implement knowledge representation solutions that balance performance and costs: using a variety of data stores (graph, document, tabular, vector).
- Design, build, and maintain entity resolution systems.
- Develop and own embedding-based and hybrid semantic similarity solutions.
- Build and operate LLM-assisted knowledge extraction pipelines that identify ontological candidates from unstructured and semi-structured HCSC data sources.
- Design and implement uncertainty quantification frameworks for KR outputs: confidence scoring for entity resolution decisions, calibration of alignment scores, and propagation of data quality signals through KR pipelines so that downstream consumers understand the reliability of what they receive.
- Partner with data quality engineers to establish bidirectional feedback channels between KR pipeline failures and systematic data quality issues.
- Collaborate with internal and external stakeholders.
- Stay current with developments in AI, ML and Data Science including knowledge graph embeddings, neuro-symbolic AI, and AI reasoning.
Competencies:
- Strong ML engineering fundamentals: experience designing, training, evaluating, and operating models in production.
- Genuine engagement with knowledge representation concepts: sufficient familiarity with OWL, description logics, and ontological commitments to reason about what an ML model's outputs actually assert.
- Understanding and expertise in embedding methods for knowledge graphs and text with practical experience applying them to similarity, matching, and alignment tasks, and understanding of their failure modes in sparse or structurally heterogeneous domains.
- Practical LLM engineering skills: prompt engineering for structured extraction, fine-tuning or adapter methods for domain adaptation, retrieval-augmented generation for KR tasks, and rigorous evaluation of LLM outputs.
- Proficiency in knowledge graph technologies (RDF, SPARQL, property graphs) at a working level sufficient to query, evaluate, and annotate KR structures.
- Excellent cross-disciplinary communication: able to explain statistical model behavior and uncertainty to stakeholders.
- Comfort operating at the boundary of statistical and formal methods.
- Requires minimal supervision on ML and data science work within the KR domain.
Required Qualifications and Skills:
- Greater than 4 years of applied ML and data science experience, with at least some portion of that work directly involving entity resolution, semantic matching, knowledge graph construction, or related knowledge representation problems.
- Hands-on experience with LLM-assisted knowledge extraction: prompt design, structured output parsing, domain fine-tuning or few-shot adaptation.
- Working knowledge of RDF and SPARQL.
- Demonstrated ability to design and implement model evaluation frameworks.
- Strong programming skills for ML pipeline development, data analysis, and tooling; proficiency with the standard ML stack (e.g. PyTorch or equivalent, HuggingFace, scikit-learn) and with graph data tooling (RDFLib, NetworkX, or equivalent).
- Experience working in multi-disciplinary settings where ML outputs feed into formal systems or decision-making processes.
Preferred Qualifications and Skills:
- Bachelor's or advanced degree in Computer Science, Statistics, Computational Linguistics, Information Science, or a related discipline; graduate work in knowledge representation, NLP, or information extraction is a strong plus.
- Experience with neurosymbolic AI approaches: methods that combine learned representations with formal reasoning, constraint satisfaction, or logic-based inference — particularly in the context of knowledge graph completion, ontology alignment, or structured prediction tasks.
- Healthcare supply chain domain knowledge.
- Familiarity with OWL 2 and description logics at a reading level: not required to author axioms independently, but able to read OWL and understand what a reasoner computes.
- Experience with graph database platforms at production scale.
GHX: It's the way you do business in healthcare
Global Healthcare Exchange (GHX) enables better patient care and billions in savings for the healthcare community by maximizing automation, efficiency and accuracy of business processes.
GHX is a healthcare business and data automation company, empowering healthcare organizations to enable better patient care and maximize industry savings using our world class cloud-based supply chain technology exchange platform, solutions, analytics and services. We bring together healthcare providers and manufacturers and distributors in North America and Europe - who rely on smart, secure healthcare-focused technology and comprehensive data to automate their business processes and make more informed decisions.
It is our passion and vision for a more operationally efficient healthcare supply chain, helping organizations reduce - not shift - the cost of doing business, paving the way to delivering patient care more effectively. Together we take more than a billion dollars out of the cost of delivering healthcare every year. GHX is privately owned, operates in the United States, Canada and Europe, and employs more than 1000 people worldwide. Our corporate headquarters is in Colorado, with additional offices in Europe.
Disclaimer
Global Healthcare Exchange, LLC and its North American subsidiaries (collectively, “GHX”) provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, national origin, sex, sexual orientation, gender identity, religion, age, genetic information, disability, veteran status or any other status protected by applicable law. All qualified applicants will receive consideration for employment without regard to any status protected by applicable law. This EEO policy applies to all terms, conditions, and privileges of employment, including hiring, training and development, promotion, transfer, compensation, benefits, educational assistance, termination, layoffs, social and recreational programs, and retirement.GHX believes that employees should be provided with a working environment which enables each employee to be productive and to work to the best of his or her ability. We do not condone or tolerate an atmosphere of intimidation or harassment based on race, color, national origin, sex, sexual orientation, gender identity, religion, age, genetic information, disability, veteran status or any other status protected by applicable law. GHX expects and requires the cooperation of all employees in maintaining a discrimination and harassment-free atmosphere. Improper interference with the ability of GHX’s employees to perform their expected job duties is absolutely not tolerated.
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