Senior Interoperability Engineer

Intellias; Polska; On-site; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Quarterly bonus (private medical care)

Birthday gifts

E-learning accounts

Job summary

Intellias is seeking a Senior Interoperability Engineer to design and scale healthcare integrations for a Digital Health platform connecting providers, payers, clinical systems, and external networks.

The role is hands-on, focusing on Python, Kafka, high-scale REST/FHIR APIs, OAuth-based security, and cloud-native services, with responsibilities spanning architecture discussions, testing, and reliability improvements.

Qualifications

• 5+ years of backend or integration engineering experience.
• Strong hands-on experience with Python in production environments.
• Experience designing and operating high-scale REST APIs and backend services.
• Strong experience with Kafka or comparable event-streaming technologies.
• Solid understanding of distributed and event-driven architectures.
• Strong experience with API authentication and authorization, including OAuth 2.0, OIDC, and JWT.
• Experience integrating external systems and APIs in complex enterprise environments.
• Hands-on experience with FHIR or healthcare interoperability APIs.
• Strong understanding of API reliability, error handling, retries, idempotency, and observability.
• Experience with SQL and/or NoSQL databases.
• Experience with Docker, cloud-native environments, and CI/CD.
• Strong troubleshooting and production problem-solving skills.

Responsibilities

• Design and develop scalable healthcare interoperability services and APIs.
• Build event-driven integrations using Python and Kafka.
• Implement and support FHIR-based healthcare data exchange.
• Develop secure APIs using OAuth 2.0/OIDC and JWT.
• Integrate external healthcare systems, data providers, and partner APIs.
• Implement data validation, transformation, mapping, and error-handling logic required for interoperability workflows.
• Troubleshoot complex integration, authentication, and distributed-system issues.
• Improve API performance, scalability, reliability, and observability.
• Build automated tests covering API behavior and integration scenarios.
• Participate in architecture discussions, code reviews, and engineering standards.

Skills

Python

Kafka

REST APIs

OAuth 2.0 / OIDC

JWT

Distributed architectures

FHIR

SQL / NoSQL

CI / CD

Observability

Tools

Docker

Cloud (AWS)

Job description

We are looking for a Senior Interoperability Engineer to build and scale healthcare integrations for a Digital Health platform connecting providers, payers, clinical systems, and external healthcare networks.

This is a hands‑on engineering role focused on Python, Kafka, high‑scale APIs, healthcare interoperability, and secure data exchange.

The platform connects healthcare data from multiple clinical and administrative systems and makes it available through secure, standards‑based APIs.

The Interoperability domain is responsible for building and operating integrations with external healthcare systems, processing high‑volume data exchange, and providing reliable APIs consumed by internal products and partners.

The engineering environment is based on Python, event‑driven architecture, Kafka, REST/FHIR APIs, OAuth‑based security, and cloud‑native services.

Responsibilities

• Design and develop scalable healthcare interoperability services and APIs.
• Build event‑driven integrations using Python and Kafka.
• Implement and support FHIR‑based healthcare data exchange.
• Develop secure APIs using OAuth 2.0/OIDC and JWT.
• Integrate external healthcare systems, data providers, and partner APIs.
• Implement data validation, transformation, mapping, and error‑handling logic required for interoperability workflows.
• Troubleshoot complex integration, authentication, and distributed‑system issues.
• Improve API performance, scalability, reliability, and observability.
• Build automated tests covering API behavior and integration scenarios.
• Participate in architecture discussions, code reviews, and engineering standards.

Qualifications

Requirements

• 5+ years of professional backend or integration engineering experience.
• Strong hands‑on experience with Python in production environments.
• Experience designing and operating high‑scale REST APIs and backend services.
• Strong experience with Kafka or comparable event‑streaming technologies.
• Solid understanding of distributed and event‑driven architectures.
• Strong experience with API authentication and authorization, including OAuth 2.0, OIDC, and JWT.
• Experience integrating external systems and APIs in complex enterprise environments.
• Hands‑on experience with FHIR or healthcare interoperability APIs.
• Strong understanding of API reliability, error handling, retries, idempotency, and observability.
• Experience with SQL and/or NoSQL databases.
• Experience with Docker, cloud‑native environments, and CI/CD.
• Strong troubleshooting and production problem‑solving skills.

Nice to Have

• Experience with FHIR R4, SMART on FHIR, US Core, or USCDI.
• Knowledge of HL7 v2 or CDA/C‑CDA.
• Experience integrating EHR/EMR, payer, HIE/HIN, pharmacy, or laboratory systems.
• Experience with Patient Access APIs, Bulk FHIR, or CMS interoperability requirements.
• Experience with Kubernetes and AWS.
• Healthcare or Digital Health domain experience.
• Experience using AI‑assisted engineering tools in day‑to‑day software development.

Perks and Benefits

• Fixed financial bonus issued upfront on a quarterly basis, covering the average market price of private medical care and sport card - B2B contract.
• Present on the occasion of birthday, wedding, child birth.
• E‑learning accounts for Coursera, O'Relly, Udemy.