Sr. Full Stack Software Engineer bei Carlsmed

Position Overview

The Senior Full Stack Software Engineer will design, build, and maintain high-performance web applications and services that support Carlsmed’s surgical planning and imaging technologies. This role involves full-stack development across UI, backend services, cloud infrastructure, data management, and 3D visualization. The engineer will collaborate closely with product, operations, software, and imaging/AI teams to deliver robust, scalable, and clinically impactful solutions.

The ideal candidate has deep technical expertise across modern web stacks, cloud platforms, and 3D rendering technologies, with a passion for building reliable software in a regulated medical environment.

Key Responsibilities

Full-Stack Development

• Design, develop, and maintain web applications using TypeScript, React, Node.js, and modern frameworks.
• Implement scalable backend APIs and microservices using Node.js, Java, and/or C#.
• Build 2D/3D medical visualization components using Babylon.js, VTK.js, ITK.js, and WebGL.
• Design data models and interact with relational databases using PostgreSQL and Prisma (ORM).

Cloud & Infrastructure

• Develop and deploy applications in AWS environments (Lambda, S3, EC2, API Gateway).
• Integrate CI/CD pipelines using TeamCity, Git, Bitbucket, and automated build/test workflows.

Medical Imaging & Data

• Work with DICOM, 3D volumes, segmentation files, and imaging toolkits.
• Implement interactive features for 3D reconstruction, rendering, and manipulation of CT/MRI/X-ray datasets.

Software Quality & Architecture

• Apply best practices using Dependency Injection, Inversion of Control (IoC), SOLID principles, and modular design.
• Write clean, maintainable code using unit testing, integration testing, and TDD.
• Participate in architecture discussions, code reviews, and technical design sessions.

Agile Collaboration

• Participate in Agile/Scrum ceremonies, sprint planning, and backlog refinement.
• Collaborate with cross-functional teams including Imaging/AI, Operations, Product, UX, and V&V.
• Use Jira and Confluence for planning, tracking, and documentation.

Regulated Environment

• Contribute to design and documentation practices aligned with medical device software standards (IEC 62304, ISO 13485).
• Support traceability, risk assessment, and validation documentation when needed.

Qualifications

Required

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field.
• 5+ years of full-stack software development experience.
• Strong proficiency in:
  • TypeScript, Node.js, React
  • Java or C#
  • PostgreSQL and Prisma (ORM)
  • RESTful APIs and backend services
• Experience with AWS and/or Azure cloud platforms.
• Experience with unit testing, TDD, and CI/CD.
• Strong command of Git, Bitbucket, and modern DevOps tooling.
• Experience with Agile/Scrum environments.

Preferred

• Experience with Babylon.js, VTK, ITK, WebGL, 3D rendering.
• Experience with DICOM and imaging workflows.
• Background in regulated industries, particularly medical devices.
• Knowledge of 3D geometry, computational graphics, or CAD-like systems.