Java Software Engineer

ThoughtStorm Inc.; Toronto; On-site; CAD 90,000 - 130,000; Full time

Job summary

ThoughtStorm Inc. is seeking an experienced software engineer to join a health-tech integration team in Toronto.

You will develop Java services with Spring Boot and REST APIs, implement FHIR R4/DSTU2 resources, and ensure reliable HL7 v2 messaging in production. You will work with NextGen Connect (Mirth), ReactJS front-ends, and Ontario Health Enterprise Pub/Sub, translating clinical preferences into robust subscription criteria, while applying secure delivery, Docker pipelines, and rigorous

Qualifications

• Proficiency in Java with Spring Boot and building RESTful services in production systems.
• Experience with HL7 v2, FHIR R4/DSTU2, and NextGen Connect (Mirth) integrations.
• Strong ReactJS development experience and Pub/Sub in Ontario health environments.

Skills

Java

Spring Boot

REST API

FHIR

HL7 v2

ReactJS

FHIR Subscriptions

Ontario Pub/Sub

OAuth 2.0

production troubleshooting

Tools

Mirth NextGen Connect

Docker

Job description

• Java, Spring Boot, REST API, and HAPI FHIR development experience, including hands-on processing of FHIR R4 and DSTU2 resources in production-grade services.
• NextGen Connect (Mirth) and HL7 v2 integration experience, including transformation, validation, routing, acknowledgements, error handling, Java-service integration, and practical experience with the Ontario HRM Standard.
• ReactJS full-stack development experience and hands-on knowledge of FHIR Subscriptions and Ontario Health Enterprise Pub/Sub, including translating physician-level preferences into subscription filter criteria.
• Secure application and container delivery experience using OAuth 2.0, mTLS, Docker, automated testing, configuration management, audit logging, and production troubleshooting.