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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Staff Interoperability Engineer (Healthcare Solution) - Intellias - **Company:** Intellias - **Location:** Badajoz, Spain (Remote available) - **Contract:** Permanent contract - **Skills:** Cerner, Microsoft Access, Java (Programming Language), JavaScript (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Audit Trail, C Sharp (Programming Language), Clinical Data Repository, Cloud Engineering, Computer Programming, Extract Transform Load (ETL), Data Mapping, Distributed Systems, Electronic Data Interchange (EDI), EHealth, XacML, Interoperability, Enterprise Messaging Systems, OAuth, Open Source Technology, OpenID, RabbitMQ, Openid Connect, Software Tools, EClinicalWorks, Data Streaming, Systems Integration, TypeScript, Cloud Platform System, EHR Systems, Fast Healthcare Interoperability Resources, Large Language Models, Apache Spark, Software Security, Backend, Rate Limiting, Event Driven Architecture, Integration Tests, Kubernetes, Health Level Seven International, Real Time Data, Apache Kafka, Fitbit, Api Design, Restful APIs, Meditech, Api Management, User Identification, Docker, Allscripts - **Published:** August 16, 2026 - **Apply:** https://www.buscojobs.com.es/staff-interoperability-engineer-healthcare-solution-intellias-en-badajoz-ID-367552544 ## About the Role 8+ years of professional experiencein healthcare interoperability, Health IT, backend engineering, or distributed integration platforms. ProvenStaff-level technical ownershipof complex interoperability platforms and production healthcare integration solutions. 4+ years of hands-on experience implementing FHIR-based solutions, including production FHIR R4 implementations. Extensive experience integrating multipleEHR/EMR platforms, including systems such as Epic, Oracle Health (Cerner), Allscripts, athenahealth, eClinicalWorks, Meditech, NextGen, or comparable platforms. Proven experience implementingPatient Access APIs, Provider Directory APIs, Bulk FHIR APIs, and other FHIR-based interoperability services. Production experience integrating withHIE/HIN ecosystems, including Carequality, CommonWell, eHealth Exchange, TEFCA, or comparable national interoperability frameworks. Expert knowledge ofFHIR R4, including resources, profiles, extensions, search parameters, Bundles, validation, and implementation patterns. Deep understanding ofUS Core Implementation Guides, USCDI, and U.S. healthcare interoperability requirements. Strong knowledge ofSMART on FHIR, OAuth 2.0, OpenID Connect, SMART scopes, backend services, and healthcare authorization models. Strong understanding ofHL7 v2.x, C-CDA, and healthcare data transformation patterns. Experience with healthcare terminology standards includingSNOMED CT, LOINC, RxNorm, ICD-10, CPT, and CVX. Strong hands-on programming skills inPython, plus experience with at least one additional language such as Java, TypeScript/JavaScript, Go, or C#. Experience designing and buildingRESTful APIs, FHIR APIs, event-driven architectures, and distributed backend services. Strong knowledge of API security, includingOAuth 2.0, JWT, mTLS, rate limiting, audit logging, and consent management. Experience with messaging technologies such asKafka, RabbitMQ, or comparable event-driven systems. Experience building distributed systems usingSpark, Kubernetes, Docker, and cloud-native infrastructure. Strong knowledge of ETL/ELT, CDC, streaming, and asynchronous processing patterns. Proven experience establishing reusable interoperability frameworks, engineering standards, implementation guides, and technical documentation. Practical experience usingAI coding agentssuch as Claude Code or comparable AI-assisted engineering tools. Strong engineering judgment regarding deterministic processing versus AI-assisted implementation. Professional English sufficient for direct collaboration with U.S.-based engineering, product, and clinical stakeholders. Nice to Have: Experience withMPI (Master Patient Index), patient matching, identity resolution, or probabilistic matching algorithms. Experience with advanced clinical data-quality profiling and anomaly detection. Experience implementing healthcare consent frameworks such asFHIR Consent, XACML, DS4P. Experience with payer interoperability standards includingCARIN Blue ButtonandDa Vinci Implementation Guides(PDex, CDex, HRex, DTR, PAS). Experience integrating healthcare wearable ecosystems such asApple HealthKit, Google Fit, Fitbit, or comparable platforms. Experience integrating pharmacy standards such asNCPDP SCRIPTand Surescripts. Experience with laboratory interoperability includingORU/ORM messaging, LOINC mapping, DiagnosticReport. Experience building AI/LLM capabilities for clinical data extraction, terminology normalization, entity resolution, or healthcare interoperability. Contributions toHL7/FHIR communities, healthcare interoperability working groups, or open-source healthcare projects. Hands-on experience with HAPI FHIR, Synthea, or comparable interoperability frameworks. ## Description Staff Interoperability Engineer (healthcare solution)Location: Remote from Spain (an indefinite Spanish employment contract)Intellias is looking for aStaff Interoperability Engineerto join a large-scale digital healthcare initiative focused on designing, building, and scaling healthcare interoperability solutions that enable secure, standards-compliant health data exchange across the U.S. healthcare ecosystem.This is aStaff-level Individual Contributor rolefor an experienced engineer who combines deep expertise in healthcare interoperability, distributed backend systems, API architecture, and cloud-native engineering.You will define technical direction, solve the platform's most complex interoperability challenges, and establish engineering standards that enable teams to build reliable, scalable, and compliant healthcare integrations.The role combinesdeep hands-on engineering with broad technical influenceacross interoperability architecture, FHIR implementation, API security, healthcare standards, and AI-enabled engineering practices.Project Overview:The project is building aFHIR-based healthcare data platformthat enables secure interoperability across EHR systems, healthcare providers, payers, national healthcare exchange networks, laboratories, pharmacies, wearable devices, and digital health applications.The platform processes healthcare data at national scale, supportingPatient Access APIs, Bulk FHIR APIs, Provider Directory APIs, SMART on FHIR, and real-time healthcare integration services while maintaining compliance with U.S. healthcare interoperability standards and regulations.The engineering environment combinesPython, Apache Spark, Kafka, Kubernetes, cloud-native infrastructure, FHIR R4, HL7, REST APIs, OAuth2/OIDC, SMART on FHIR, distributed event-driven architectures, and AI-assisted engineering.This is anAI-native engineering environment, where coding agents and reusable AI capabilities are used to accelerate implementation, testing, validation, documentation, and interoperability engineering without compromising correctness, security, or PHI safety.Requirements:8+ years of professional experiencein healthcare interoperability, Health IT, backend engineering, or distributed integration platforms.ProvenStaff-level technical ownershipof complex interoperability platforms and production healthcare integration solutions.4+ years of hands-on experience implementing FHIR-based solutions, including production FHIR R4 implementations.Extensive experience integrating multipleEHR/EMR platforms, including systems such as Epic, Oracle Health (Cerner), Allscripts, athenahealth, eClinicalWorks, Meditech, NextGen, or comparable platforms.Proven experience implementingPatient Access APIs, Provider Directory APIs, Bulk FHIR APIs, and other FHIR-based interoperability services.Production experience integrating withHIE/HIN ecosystems, including Carequality, CommonWell, eHealth Exchange, TEFCA, or comparable national interoperability frameworks.Expert knowledge ofFHIR R4, including resources, profiles, extensions, search parameters, Bundles, validation, and implementation patterns.Deep understanding ofUS Core Implementation Guides, USCDI, and U.S. healthcare interoperability requirements.Strong knowledge ofSMART on FHIR, OAuth 2.0, OpenID Connect, SMART scopes, backend services, and healthcare authorization models.Strong understanding ofHL7 v2.x, C-CDA, and healthcare data transformation patterns.Experience with healthcare terminology standards includingSNOMED CT, LOINC, RxNorm, ICD-10, CPT, and CVX.Strong hands-on programming skills inPython, plus experience with at least one additional language such as Java, TypeScript/JavaScript, Go, or C#.Experience designing and buildingRESTful APIs, FHIR APIs, event-driven architectures, and distributed backend services.Strong knowledge of API security, includingOAuth 2.0, JWT, mTLS, rate limiting, audit logging, and consent management.Experience with messaging technologies such asKafka, RabbitMQ, or comparable event-driven systems.Experience building distributed systems usingSpark, Kubernetes, Docker, and cloud-native infrastructure.Strong knowledge of ETL/ELT, CDC, streaming, and asynchronous processing patterns.Proven experience establishing reusable interoperability frameworks, engineering standards, implementation guides, and technical documentation.Practical experience usingAI coding agentssuch as Claude Code or comparable AI-assisted engineering tools.Strong engineering judgment regarding deterministic processing versus AI-assisted implementation.Professional English sufficient for direct collaboration with U.S.-based engineering, product, and clinical stakeholders.Nice to Have:Experience withMPI (Master Patient Index), patient matching, identity resolution, or probabilistic matching algorithms.Experience with advanced clinical data-quality profiling and anomaly detection.Experience implementing healthcare consent frameworks such asFHIR Consent, XACML, DS4P.Experience with payer interoperability standards includingCARIN Blue ButtonandDa Vinci Implementation Guides(PDex, CDex, HRex, DTR, PAS).Experience integrating healthcare wearable ecosystems such asApple HealthKit, Google Fit, Fitbit, or comparable platforms.Experience integrating pharmacy standards such asNCPDP SCRIPTand Surescripts.Experience with laboratory interoperability includingORU/ORM messaging, LOINC mapping, DiagnosticReport.Experience building AI/LLM capabilities for clinical data extraction, terminology normalization, entity resolution, or healthcare interoperability.Contributions toHL7/FHIR communities, healthcare interoperability working groups, or open-source healthcare projects.Hands-on experience with HAPI FHIR, Synthea, or comparable interoperability frameworks.Responsibilities:Design, build, and scalelarge-scale healthcare interoperability solutionssupporting secure, standards-based health data exchange.Define technical direction forFHIR implementation, API architecture, interoperability frameworks, and distributed integration services.Design and implementPatient Access APIs, Provider Directory APIs, Bulk FHIR APIs, and related interoperability services.Build integrations withEHR/EMR platforms, HIE/HIN networks, healthcare providers, payers, laboratories, pharmacies, wearables, and digital health ecosystems.Develop robustFHIR resource mappings, validation rules, transformation pipelines, and interoperability tooling.Design and implementHL7 v2.x to FHIRandC-CDA to FHIRtransformation engines.Build automated frameworks forFHIR conformance testing, interoperability validation, data quality, and integration testing.Design secure healthcare APIs using SMART on FHIR, OAuth2/OIDC, JWT, mTLS, consent management, and modern API security practices.Solve complex interoperability issues involving API failures, patient matching, terminology normalization, data mapping conflicts, and compliance requirements.Define engineering standards, implementation frameworks, and reusable interoperability capabilities adopted across engineering teams.MakeAI-assisted engineeringa practical part of interoperability development, testing, documentation, mapping, and validation workflows.Mentor engineers through architecture reviews, technical guidance, pairing, and knowledge sharing.Represent interoperability best practices in architecture discussions and industry standards initiatives.Why this position:This role offers the opportunity to shape thetechnical direction of healthcare interoperabilityfor a modern FHIR-based platform operating at national scale.As a Staff-level Individual Contributor, you will solve some of the most challenging interoperability problems in digital healthcare, including real-time data exchange, standards implementation, patient identity resolution, API security, healthcare compliance, and integration across thousands of healthcare organizations.The position combinesdeep healthcare interoperability expertise, distributed backend engineering, cloud-native architecture, API platform design, and AI-native engineering.Beyond building production systems, you will establish reusable engineering frameworks, define interoperability standards, mentor experienced engineers, and help shape how healthcare integrations are designed, implemented, validated, and operated across the platform. ## Related Videos - [Decoupled Authorization using Policy as Code](https://www.wearedevelopers.com/videos/35-decoupled-authorization-using-policy-as-code) - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [From Bedside Beeps to Interoperable Bytes – Getting your medical devices ready to talk the IEEE 11073 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