Senior Backend Engineer - Medical XR Platform (C#/Python)

apoQlar medical; Poznań; Hybrid; PLN 180,000 - 240,000; Full time

Job summary

apoQlar medical is seeking a Senior Backend Developer to own backend services powering the HoloMedicine platform. You will work on imaging pipelines, clinical orchestration, real-time streaming, and platform APIs for XR clients, using C# / .NET and Python in a regulated environment.

You will design data pipelines, DICOM/DICOMweb imaging backends, and real-time data flows, while ensuring observability and security.

Qualifications

• Several years' professional experience building backend services in C# / .NET, plus solid working command of Python
• Strong grasp of API design, distributed systems and data modeling — you can reason about architecture, trade-offs and performance as a peer
• Hands-on with containers and cloud (Docker, Kubernetes; Cloud a plus)
• Comfortable with relational and/or document databases, async messaging and integration patterns
• Pragmatic about testing, CI/CD and code quality
• Knowledge of medical imaging / DICOM / DICOMweb / FHIR / NIFTI
• Fluent in English; German is a plus

Responsibilities

• Design, build and operate backend services in C# / .NET and Python - APIs, data pipelines and integration services
• Work on medical imaging backends: DICOM / DICOMweb, NIFTI handling
• Support real-time data flows to XR clients - reliability, latency and session stability
• Containerize and ship via Docker / Kubernetes, including workflow orchestration (Argo Workflows) and CI/CD
• Build for observability and security from day one: structured logging/metrics (Grafana/Prometheus/Loki), SBOM/SOUP hygiene (Dependency-Track, Trivy, CycloneDX)
• Keep work compatible with MDR / IEC 62304 / ISO 13485 - requirements, risk linkage and traceability, in alignment with Quality/Regulatory
• Review code, mentor peers and help shape backend architecture and engineering standards

Skills

C# / .NET

Python

API design

Distributed systems

Data modeling

Containers

Docker

Kubernetes

Async messaging

CI/CD

Testing

Medical imaging

DICOM

DICOMweb

FHIR

NIFTI

English

German

Tools

Docker

Kubernetes

Argo Workflows

Grafana

Prometheus

Loki

Dependency-Track

Trivy

CycloneDX

Job description

apoQlar medical is seeking a Senior Backend Developer to own backend services powering the HoloMedicine platform. You will work on imaging pipelines, clinical orchestration, real-time streaming, and platform APIs for XR clients, using C# / .NET and Python in a regulated environment.

You will design data pipelines, DICOM/DICOMweb imaging backends, and real-time data flows, while ensuring observability and security.