Health Samurai participated as a Silver Sponsor at HL7 FHIR DevDays 2025 in Amsterdam (June 3-6). The team presented several technical sessions and demonstrated FHIR implementations with Patients Know Best in the FHIR Impact Showcase.
Videos are available in our YouTube playlist. Subscribe for notifications on new videos.
Health Samurai thanks the organizers, Firely and HL7 International, for hosting DevDays 2025 and providing a space to share practical FHIR implementation experience with the community.
Presentations
Topic: Let's Build! SQL on FHIR
Presenter: Nikolai Ryzhikov, CTO, Health Samurai
Description: Explore how SQL on FHIR simplifies querying complex and nested FHIR data by converting it into flat, tabular formats using a domain-specific language (DSL). Learn about ETL and ELT runners that enable efficient data extraction and transformation, integration with databases like PostgreSQL, visualization with Grafana, and standardized APIs. This presentation provides practical guidance for building analytics solutions on FHIR data.
Connect with Nikolai on LinkedIn
Topic: FHIR Schema First Year Results: Ecosystem Evolution and Developer Experience
Presenter: Evgenii Mukha, Software Engineer, Health Samurai
Description: Discover the challenges and progress in FHIR validation engines over the first year of using FHIR Schema. Learn how inconsistencies in validation impact interoperability and how the FHIR Schema project offers a developer-friendly, JSON Schema-inspired solution for more reliable, language-independent validation. Gain insights from real-world implementation experiences and Health Samurai’s plans to open test suites and create public working groups to improve validation standards.
Connect with Evgenii on LinkedIn
Topic: FHIR Native Fine-Grained Access Control
Presenter: Rostislav Antonov, Software Engineer, Health Samurai
Description: Understand Health Samurai’s approach to fine-grained access control within FHIR, using security labels at both resource and element levels to enforce role-based data access while protecting sensitive information. This session covers technical implementation details in the 8 Box server, privacy challenges, performance considerations, and real-world demonstrations of access control in clinical data.
Connect with Rostislav on LinkedIn
Topic: Enhancing SDC Workflows with AI: Automation and Beyond
Presenter: Maria Ryzhikova, Aidbox Forms Product Manager, Health Samurai
Description: Learn how AI streamlines FHIR SDC questionnaire creation by converting PDFs to structured forms via OCR and generation, automating multilingual translations, and simplifying complex FHIRPath expressions for calculations and logic. Discover practical demos in Aidbox Form Builder, future AI applications for form filling guidance, response extraction, and making structured data capture accessible to non-technical users.
Connect with Maria on LinkedIn
Try the Aidbox Public Form Builder
Topic: FHIR Impact Showcase: Health Samurai and Patients Know Best
Presenters: Mate Varga, CTO, Patients Know Best; Nikolai Ryzhikov, CTO, Health Samurai
Description: See how FHIR powers the UK’s largest FHIR-based Personal Health Record, enabling over 5 million patients to securely access, contribute to, and share their health information across GPs, hospitals, and the NHS App. Learn how giving patients control over their records improves self-management, supports better clinical decisions with richer data, and reduces pressure on the healthcare system, illustrated with real patient experiences.
