Senior Ontology & Reasoning Engineer

Protegrity; New York (NY); On-site; USD 110,000 - 150,000; Full time

Benefits offered by this job

Generous vacation and holiday time off

Access to ongoing learning & development

Job summary

Protegrity is seeking a Senior Software Engineer, Ontology & Reasoning Systems in New York City. In this role, you will design and build the ontology layer that integrates various data sources into a unified reasoning model. This position requires a strong background in logic and graph-based systems, and the ability to work closely with teams to develop systems supported by deterministic machine reasoning.

The ideal candidate will have experience in backend systems development and strong analytical skills, ensuring outputs are reliably traced back to their sources. Protegrity offers competitive salary and comprehensive benefits, focusing on innovation and data security.

Qualifications

• 5+ years of experience building backend systems in modern languages.
• Strong foundation in discrete mathematics, logic, and graph theory.
• Experience with logic-based reasoning systems.

Responsibilities

• Own the ontology and rule layer for data unification.
• Develop rules that derive conclusions from combinations of facts.
• Make system findings traceable to source facts and rules.

Skills

Python

Graph-based systems

Formal modeling

LLM-powered systems

Tools

Neo4j

Datalog

Job description

Protegrity is seeking a Senior Software Engineer, Ontology & Reasoning Systems in New York City. In this role, you will design and build the ontology layer that integrates various data sources into a unified reasoning model. This position requires a strong background in logic and graph-based systems, and the ability to work closely with teams to develop systems supported by deterministic machine reasoning.

The ideal candidate will have experience in backend systems development and strong analytical skills, ensuring outputs are reliably traced back to their sources. Protegrity offers competitive salary and comprehensive benefits, focusing on innovation and data security.