JSON/API Developer – Ontology & Data Integration

Job Title: JSON/API Developer – Ontology & Data Integration

Job Summary

We are looking for an experienced JSON/API Developer with strong expertise in REST API development, JSON-based integrations, metadata management, ontology modeling, and enterprise data integration. The ideal candidate will have hands-on experience in building scalable APIs, developing semantic data models, and integrating enterprise applications while ensuring data governance and interoperability.

Key Responsibilities

• Design, develop, and maintain scalable RESTful APIs for enterprise integrations.
• Create, validate, and troubleshoot JSON payloads for application integrations.
• Develop and maintain ontology-based data models, taxonomies, and metadata structures.
• Integrate ontology platforms with data governance and data catalog solutions.
• Perform data mapping, transformation, and interoperability across multiple enterprise systems.
• Collaborate with business stakeholders, architects, and data governance teams to define semantic models.
• Develop API specifications using OpenAPI/Swagger.
• Implement API security using OAuth, JWT, API Gateway, and authentication mechanisms.
• Support production deployments and resolve integration-related issues.
• Prepare technical documentation, integration specifications, and deployment guides.

Required Skills

• Strong experience with JSON and REST API Development
• JavaScript
• OpenAPI / Swagger
• API Gateway
• Postman
• JSON Schema Validation
• Microservices Architecture
• Java or Python
• Spring Boot
• Ontology Modeling
• RDF, OWL, SPARQL
• Knowledge Graph Concepts
• Taxonomy & Metadata Management
• SQL Server / PostgreSQL / MongoDB
• Azure or AWS
• GitHub
• CI/CD Pipelines
• Docker

Preferred Skills

• Node.js
• Neo4j (Graph Database)
• Kubernetes
• GraphQL
• BigID, Collibra, Informatica, or Alation
• Azure API Management
• Enterprise Knowledge Graph Solutions
• Insurance domain experience
• Knowledge of Data Governance, Privacy, and Compliance

Qualifications

• Bachelor's or Master's degree in Computer Science, Information Technology, or a related field.
• Excellent analytical, problem-solving, and communication skills.
• Experience working in Agile/Scrum environments is preferred.