HL7 Experts in Germany
to connect healthcare systems with vetted, available freelancersHire experts who design HL7 interfaces, implement FHIR-based exchange and connect clinical systems such as EHRs, LIS and radiology platforms. Get precise AI matching with vetted, available freelancers who fit your project.
Meet FRATCH Experts in Germany, who have recently used HL7
Alexander H.
Last position:
Vice President Sales Key Accounts at Compugrou Medical (CGM)
- Hospital Information System
- Development of the DACH market strategy
- Responsibility for strategic key accounts and complex enterprise sales projects in the hospital market in Germany and Switzerland.
- Management of pipeline, forecasting, and key account activities for Clinical DE/CH, as well as further development of the growth and account strategy.
- Management of complex hospital information system transformation and migration programs for hospital networks—from bid strategy and stakeholder management to alignment with Solution Management, Delivery, and partners.
Stephan G.
Last position:
Senior Backend Software Developer at Mercedes-Benz Tech Innovations
- Further development and operation of a central backend service for providing vehicle inventory for international Mercedes-Benz online shops
- Further development of a reservation service for vehicles as part of the checkout process
- Design and implementation of a highly scalable end-to-end test architecture with a focus on maintainability, reusability, and a high number of automated test cases
- Development of a multi-layer test infrastructure with a strict separation of test logic and access layers
- Development of an initialization and caching architecture to significantly speed up local and CI/CD-based test runs
- Development of an AI-supported review architecture for automated evaluation and quality assurance of end-to-end tests
- Development of a dashboard for consolidated display of a vehicle context across multiple backend systems, including AI-generated summaries and compact case analyses
- Integration and further development of connections to various reservation systems via Apache Kafka and REST
- Design of new microservices and support with architecture decisions
- Risk analysis and design of microservice migrations
- Technologies: Java, Spring, Spring Boot, Gradle, Maven, Apache Kafka, REST, OpenAPI, Swagger, Github, Confluence, CI/CD, Microservices, AI, LLMs
Beshr A.
Last position:
System Administrator – HealthCare IT & Data Infrastructure at Cellitinnen Hospital Association
- Integration of medical modalities (including ultrasound) into the existing IT infrastructure (DICOM, HL7) – put into operation within the planned timeframe.
- Administration and optimization of PACS systems for efficient archiving and distribution of radiology image data across multiple locations.
- Ensuring consistent data quality and seamless interoperability in data exchange between HIS, RIS, and PACS.
- Close collaboration with medical staff to analyze and digitally optimize clinical workflows.
- Requirements management and test coordination when implementing clinical requirements in complex IT structures.
Alexandro L.
Last position:
Senior Project Manager - RIS & PACS Replacement
- Replacement of a RIS and PACS system in combination with three different software solutions, with a focus on redesigning and further developing existing processes.
- Ensuring the interaction of the individual solutions and their integration into one overall solution to provide optimal support for medical staff in their daily work.
- Overall project management including coordination of three service providers.
- Use of technologies and solutions such as RIS, PACS, Smart Reporting, and Artificial Intelligence.
- Leading the RIS & PACS replacement in a hospital.
- Support with the communication strategy.
- Coordination of external and internal resources.
- Stakeholder management.
- Steering of steering committees.
Patrick W.
Last position:
AI Software Engineer at IppenMedia
- Analysis
- Consulting
- Software design
- Development
- Automation
- Testing
- Deployment
- Architecture, development and deployment of various proof-of-concept applications around the integration of current AI interfaces including conversational, realtime voice, images and videos
- Developed best practices for working with agentic systems and AI in practice
- Created code templates
Werner K.
Last position:
Test Coordinator, Designer and Engineer at IBM
- Testing the SekIDP and related components
- Test design, execution and automation, microservices, GitHub Enterprise, Eclipse, Katalon Test Platform, API Testing, Confluence 8, JIRA/Xray, Draw.io, Swagger/OpenAPI, Postman, Docker, Kubernetes, Podman, PuTTY, E-Health, Telematik, Gematik standards, EPA, E-Rezept, sektoraler IDP, encryption, XaDES, PaDES, DICOM, HL7, FHIR, IHE, ICD, SSO, SAML/Shibboleth, OAuth, smartcards, JWT, two factor authentication Android and iOS, Wireshark, BrowserStack, Cypress, gRPC, REST, SOAP, WS-Security, Linux Shell, PowerShell, SSH/SSL, Java, Kotlin, Cordova, Gradle, Groovy, Python, TypeScript
Christopher G.
Last position:
Frontend Developer at IAS Ideas & Solutions GmbH
- Developed a web application for horse betting
- Converted components to script syntax
Wolfgang O.
Last position:
Fullstack Software Developer at Gematik
Development of the frontend of DEMIS (German Electronic Reporting and Information System for Infection Protection)
Technologies: Angular, Typescript, Single-SPA MicroFrontend, Java, Docker, Kubernetes, Postgres, REST
Prototype development of a compiler from HL7 FHIR to AngularFormly
Nikhil G.
Last position:
Co-founder / Solution Architect at Lima Care GmbH
- Developed a comprehensive business concept for a medical fall detection device based on a patented process registered in Germany
- Identified and collected use cases for medical device deployment in residential buildings and healthcare provider facilities
- Expanded the product scope to industry standards such as HL7/FHIR and designed a product based on modern communication protocols for IIoT
- Supported offshoring activities, defined SLA and scope-of-work documents for development teams after selecting various vendors
- Identified and selected hardware components (Terrabee, E-Con Systems) for LIDAR/TDOA functions
- Defined integrated AI features and LLM models for patient fall detection as well as AI-based audio triggers
- Oversaw the implementation of algorithms for object detection, fall detection, and false alarm identification
Stephan M.
Last position:
Product Owner at Self-employed
- Industry: Health Care/ IT
- Tools: Internet, phone, email, Confluence, Azure DevOps, DISweb, Microsoft Teams, Microsoft Office, FHIR
- requirements engineering for implementing the e-prescription into existing practice management system and a web-based dialysis monitoring
- implementation of the archive and exchange interface of the KBV
- creation and maintenance of user stories and backlog management
- stakeholder management and support of developers in implementing the user stories
- reporting to management and conducting refinements
Volker K.
Last position:
Head of Engineering at Infoniqa
- Led engineering execution: roadmap planning, capacity alignment, risk management, dependencies, and delivery tracking.
- Consolidated multiple payroll product lines into a unified SaaS platform on Dynamics 365 Business Central, enabling scalable post-merger operations and reducing operational complexity across the portfolio.
- Restructured engineering and product teams in a remote-first setting across Germany, Austria and Poland, consisting of five cross-functional units: compliance/enabling, platform, DevOps and two stream-aligned teams with total FTE depending on phase of reorganisation.
- Rebuilt the mid-level leadership layer and mentored engineering leaders, establishing a leadership pipeline and strengthening architectural decision-making across teams for scalable growth, delivery ownership and predictability.
- Designed platform foundations and system boundaries using Team Topologies aligned structures, enabling scalable ownership, clear interfaces and parallel development across distributed teams.
- Spearheaded AI transformation by implementing AI-assisted SDLC practices using SpecKit and GitHub Actions for automated, executable specifications, while delivering agentic product capabilities by securely exposing platform data and services to AI agents and copilots via RAG-based retrieval pipelines and MCP-style extensions.
- Drove modularisation of tightly coupled legacy logic into independently deployable services, improving maintainability, testability and architectural clarity while preserving continuity through targeted, low-risk extraction rather than full rewrites.
- Established observability, CI/CD and DevOps governance as platform capabilities, increasing automated compliance gates from 25% to 75% and improving deployment cadence by 40% across 15+ product versions.
- Improved operational resilience using DORA-aligned practices (lead time ↓50%, SaaS MTTR ↓85%), strengthening reliability and reducing support overhead.
- Coordinated engineering recovery for the German payroll platform during a company-wide P0 ransomware incident; restored platform continuity within 72h, validated data integrity, and rolled out hardened runbooks and automated recovery playbooks.
- Responsible for budget compliance and cost oversight in Engineering, with limited P&L responsibility and participating in the annual COGS/OPEX/CAPEX planning cycle.
Bastian B.
Last position:
Backend Developer at SupplyOn AG
In this project, I support the software development of various modules of the supply chain management solution. My responsibilities include the technical implementation and optimization of collaborative SCM processes that help companies make their supply chains more efficient, transparent, and resilient. This modular software platform facilitates communication and Collaboration with suppliers is standardized and digitized, enabling seamless traceability of quality data and supplier evaluations. Technically, I focus on development with Go/Golang for scalable backend services and on the use of Kafka for real-time messaging and event processing. I design and extend GraphQL interfaces for efficient data communication between microservices and support automated build and deployment management using Docker and Gitlab CI/CD pipelines. Data is stored in the modules I work on using a PostgreSQL database.
Technical focus: Go/Golang, Kafka, GraphQL, Docker, Gitlab, CI/CD, DevOps, PostgreSQL, JIRA, Miro
Friedhelm M.
Last position:
Project at Deutsche Gesetzliche Unfallversicherung
- Collaborated on HL7 FHIR profiling and validation
- Created CodableConcepts (code/value systems), extensions and profiles like Composition and Bundle
- Extensive instance creation and validation
- Used Simplifier.net, Forge and the FHIR Java Validator
Khalid Y.
Last position:
Research Associate (Postdoc) | Health Data Scientist at University Medical Center Göttingen, Germany
- Designing harmonization framework for diverse health data formats
- Handling ETL pipeline for emergency vital parameters from source to downstream
Dean R.
Last position:
CEO / Chief Scientist at ENUM
- Blockchain platform technology
- Blockchain digital platform / Digital Economy.
Discover over 15,000 top freelancers
Statistics of experts using HL7
Aggregated from the professional profiles of matched freelancers.
Experience
20 years
Position duration
2.6 years
Positions per freelancer
13
Top business areas
Information Technology, Product Development, Project Management
Top industries
Healthcare, Information Technology, Automotive
Certification focus areas
Information Technology, Business Intelligence, Product Development
Bachelor's degree or higher
83%
Master's degree or higher
44%
Doctorate
11%
Certifications per freelancer
2
Most common languages
English, German, French
Speak two or more languages
100%
Based on our profile pool as of 19 Sep 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Germany are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge within that range.
Average rates of experts in Germany using HL7
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 19 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
HL7 experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Healthcare (100%)
- Information Technology (100%)
- Automotive (39%)
- Banking and Finance (39%)
- Transportation (39%)
- Retail (39%)
- Manufacturing (33%)
- Media and Entertainment (33%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Healthcare data exchange
HL7 is a family of international standards for exchanging clinical and administrative information between healthcare applications. Companies use it to move patient demographics, admissions, orders, results, diagnoses and billing data between systems while preserving meaning across interfaces.
HL7 standards
HL7 v2 remains common for event-driven messages such as admissions, laboratory orders and result notifications. HL7 CDA supports structured clinical documents, while FHIR provides modular resources and RESTful APIs for modern integration. Strong specialists understand how these standards coexist and where each fits.
Integration ecosystem
HL7 work connects more than message formats. It involves interface engines such as Mirth Connect, Rhapsody and InterSystems HealthShare, along with EHR, LIS, RIS, PACS and pharmacy systems. Useful adjacent skills include REST, JSON, XML, SQL, terminology services, OAuth and API testing.
Typical project work
- Map HL7 v2 segments between source and target systems
- Build, transform and monitor interfaces in an integration engine
- Introduce FHIR APIs for applications and partner access
- Validate CDA documents, profiles and clinical terminology
- Troubleshoot rejected, duplicated or incomplete messages
In Germany, specialists often support hospitals, laboratories, medical software companies and healthcare networks with mixed legacy and cloud environments.
When companies hire specialists
Freelance expertise helps when an interface programme has strict delivery dates, scarce internal integration knowledge or a difficult vendor connection. It is also valuable during migrations, interoperability audits, FHIR adoption and production incidents. Remote work is often practical, with secure access, clear test data and scheduled coordination for on-site teams.
What good expertise looks like
Strong professionals can read message structures, question ambiguous mappings and trace a transaction across every system involved. They test positive and negative cases, document transformations and monitor operational behaviour after release. They also communicate clearly with clinical, technical and compliance stakeholders, and understand that a syntactically valid message can still carry the wrong clinical meaning.
Frequently asked questions
Everything clients usually want to know about HL7, in one place.
HL7 is used to exchange clinical and administrative data between systems such as EHRs, laboratory information systems, radiology platforms and billing applications. It can carry admissions, orders, results, referrals, documents and other workflow events.
HL7 is the standards organisation and also commonly describes established messaging formats such as HL7 v2 and CDA. FHIR is a newer HL7 standard built around reusable resources, modern APIs and web technologies, so many programmes use both legacy messaging and FHIR during a gradual transition.
An HL7 specialist often also works with interface engines, REST APIs, XML, JSON, SQL and terminology systems. Knowledge of FHIR, CDA, DICOM, OAuth, message queues and healthcare workflows is useful when integrations cross clinical and technical boundaries.
The required depth of HL7 expertise depends on the work. A simple mapping task may need focused interface knowledge, while a multi-system migration or production integration requires someone who can analyse workflows, negotiate data mappings, test edge cases and manage operational risks.
Yes, many HL7 tasks can be completed remotely through controlled environments, secure access and shared test plans. On-site work may still help during hospital cutovers, device testing or workshops with clinical teams, and German language skills can matter when requirements and support processes are local.
A company may choose HL7 v2 when existing hospital, laboratory or registration systems already depend on event messages and reliable interface-engine connectivity. FHIR is often preferable for new applications, partner APIs and resource-based access, but the right choice depends on installed systems, governance and the required workflow.
Look for clear mapping specifications, representative test cases, documented transformations and evidence that errors are monitored after release. A strong HL7 professional can explain clinical meaning, trace messages across systems and show how they handle missing data, duplicates, version differences and rejected transactions.
Before starting an HL7 assignment, clarify the message versions, interface engine, source and target systems, terminology rules, test-data access and production responsibilities. Freelancers should also ask about change control, security constraints, stakeholder availability and whether the work covers v2, CDA, FHIR or several standards together.
The average hourly rate of freelancers in Germany who have used HL7 in their recent projects is 101 €, which corresponds to a daily rate of about 806 € based on an 8-hour working day.
Of the freelancers in Germany who have used HL7 in their recent projects, 83% hold at least a Bachelor's degree, 44% hold at least a Master's degree, and 11% hold a doctorate.
On average, freelancers in Germany who have used HL7 in their recent projects have 20 years of professional experience, with a single engagement typically lasting around 2.6 years.
The most common languages among freelancers in Germany who have used HL7 in their recent projects are English (100%), German (94%), and French (17%).
The most common industries among freelancers in Germany who have used HL7 in their recent projects are Healthcare (100%), Information Technology (100%), and Automotive (39%).
The most common business areas among freelancers in Germany who have used HL7 in their recent projects are Information Technology (94%), Product Development (89%), and Project Management (78%).
Main locations of FRATCH Experts, who have recently used HL7
Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.
Berlin Hamburg Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
