PMT Online, a remote healthcare service, sought Evrone's expertise to address accumulated technical debt and update their data reception and processing system. Evrone implemented Ruby services integrated with EventMachine, ensuring compliance with the FHIR standard for healthcare data exchange. Leveraging Chat GPT-4, they efficiently grasped FHIR implementation nuances. Evrone also enhanced report generation logic, developed a mobile API with Grape, and revamped outdated doctor and patient dashboards. Refactoring Ruby on Rails and adopting modern tools like dry-rb and RabbitMQ optimized system performance. Their ongoing support has elevated PMT Online's development team, solidifying Evrone as a trusted partner in telehealth solutions.