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Daniel Püttmann

PROFILE

Daniel Püttmann

Daniel Puttmann enhanced healthcare data interoperability by developing and refining FHIR-based integrations in the Nictiz/HL7-mappings and Nictiz/Nictiz-testscripts repositories. He delivered features such as FHIR extensions support, STU3-aligned patient resources, and BgZ-MSZ 2.0 data format compatibility, focusing on robust data mapping and validation. Using Python, Groovy, and XML, Daniel implemented automated test environments, improved provenance and certification testing, and optimized database queries. His work included extensive bug fixing, fixture management, and migration of legacy infrastructure, resulting in more reliable data exchange and streamlined test processes. The depth of his contributions strengthened data quality and system maintainability.

Overall Statistics

Feature vs Bugs

28%Features

Repository Contributions

93Total
Bugs
29
Commits
93
Features
11
Lines of code
132,647
Activity Months5

Work History

October 2025

61 Commits • 3 Features

Oct 1, 2025

Month 2025-10 Highlights: Delivered reliability and data-quality improvements across Nictiz-testscripts and HL7-mappings with a strong focus on fixture correctness, data normalization, and FHIR pathway accuracy. Key outcomes include feature delivery, extensive bug fixes, and improvements to test stability and interoperability, driving higher confidence in production data and patient-care workflows.

September 2025

1 Commits • 1 Features

Sep 1, 2025

September 2025 monthly summary for Nictiz/Nictiz-testscripts focused on deprecating the NL-PS-GPI 1.0 test infrastructure and migrating to the alpha1 branch. The change simplifies the testing setup and aligns with future feature work, reducing ongoing maintenance and enabling faster validation on the alpha1 path.

August 2025

14 Commits • 3 Features

Aug 1, 2025

Month 2025-08 highlights: Delivered substantial testing and validation enhancements across Nictiz-testscripts and HL7-mappings, improving provenance reliability, FHIR interface robustness, and certification readiness. Key deliverables include Provenance Testing Improvements, Test Script Infrastructure and Certification, and FHIR Validation for BgZ-MSZ 2.0, plus a FHIR query parsing bug fix. These results reduce production risk, increase test coverage, and support interoperability with standard-compliant data exchanges.

May 2025

16 Commits • 3 Features

May 1, 2025

May 2025 performance highlights: Delivered STU3-aligned FHIR patient data resources and an updated test environment, standardized patient references, and expanded self-links/tests; added certificate output folder generation; fixed data representations and a critical HL7 mapping typo to strengthen data integrity and test reproducibility.

April 2025

1 Commits • 1 Features

Apr 1, 2025

April 2025 — Delivered FHIR Extensions Support by updating the HL7-mappings to attach extensions to FHIR instances, enabling custom data points to be correctly associated with resources. No major bugs fixed this month; minor issues tracked for future sprints. This work improves interoperability and data fidelity for FHIR-based integrations, supporting faster data exchange with external systems. Technologies/skills demonstrated: HL7/FHIR mappings, data model extension, commit-level traceability, and repository collaboration (Nictiz/HL7-mappings).

Activity

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Quality Metrics

Correctness81.6%
Maintainability81.6%
Architecture71.0%
Performance71.2%
AI Usage20.2%

Skills & Technologies

Programming Languages

BatchGroovyJSONJavaPropertiesPythonSQLShellXML

Technical Skills

API IntegrationAPI TestingAutomationBackend DevelopmentBug FixBug FixingBuild Script ManagementCI/CDCode RefactoringConfiguration ManagementData CorrectionData FixturesData HandlingData ManagementData Mapping

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

Nictiz/Nictiz-testscripts

May 2025 Oct 2025
4 Months active

Languages Used

GroovyJSONPropertiesPythonXMLJavaSQLBatch

Technical Skills

API TestingConfiguration ManagementData ManagementData ModelingData StandardizationData Validation

Nictiz/HL7-mappings

Apr 2025 Oct 2025
4 Months active

Languages Used

PythonXMLJSON

Technical Skills

Backend DevelopmentData MappingFHIRData ValidationSNOMED CTTerminology Services

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