Senior Software Engineer – Healthcare Integrations

This is a fully remote position, open to applicants in Germany.

📋 Description

• Develop, implement, manage, and sustain healthcare integrations utilizing HL7 v2, REST APIs, FHIR, and CSV imports.

• Enhance backend engineering capabilities and ensure reliable connections between clinic IT teams and software partners with Caspar Health.

• Guide integrations through the processes of requirements clarification, data mapping, implementation, partner testing, go-live, and ongoing support.

• Maintain and optimize existing interfaces, troubleshoot production issues, and support modifications in clinic and partner systems.

• Create dependable data flows for patient information and therapy schedules.

• Design and manage backend services and versioned APIs using Ruby on Rails and TypeScript.

• Manage duplicate messages, delayed or out-of-order updates, cancellations, and partial failures with well-defined retry and reconciliation strategies.

• Enhance the developer portal with runnable quickstarts, API documentation, synthetic examples, and troubleshooting resources.

• Collaborate with clinic IT teams and software partners on verified interface contracts and streamlined onboarding processes.

• Improve automated contract and end-to-end testing, monitoring, and operational runbooks.

• Facilitate maintenance, support, and knowledge sharing through pairing, design discussions, and code reviews.

• Implement secure authentication, authorization, tenant isolation, and data management practices in collaboration with infrastructure and privacy specialists.

⛳️ Requirements

• Extensive hands-on experience in delivering FHIR integrations in production, including personal accountability for implementation and troubleshooting post-launch.

• Practical understanding of FHIR resources, profiles, implementation guides, identifiers, terminology bindings, extensions, and validation.

• Direct production experience with Ruby on Rails, specifically in maintaining and troubleshooting backend APIs and asynchronous integrations.

• Practical experience in working with AWS infrastructure and managing cloud-based services.

• Familiarity with healthcare data models, patient and encounter lifecycles, identity matching, and appointment modifications.

• Strong SQL and PostgreSQL proficiency, including data modeling, migrations, and performance-optimized queries.

• Experience in designing secure REST APIs and asynchronous or event-driven integrations.

• Ability to document and communicate clearly with engineers, product colleagues, and integration partners.

• A collaborative and pragmatic mindset.

• Excellent written and spoken English skills.

• Must be eligible to work in Germany and be a resident in Germany from day one.

• Proven hands-on experience in implementing and operating FHIR integrations in production is essential.

• No visa sponsorship or relocation assistance is provided.

🏝️ Benefits

• Remote-first culture with flexible working hours.

• Optional office space in Berlin-Mitte.

• Up to 90 days per year allowed outside Germany.

• Monthly allowance for home office expenses.

• Additional meal subsidy provided.

• 30 vacation days annually.

• Allocated budget for learning and development, conferences, and coaching.

• High degree of ownership and freedom in decision-making.

• Access to all Caspar offerings focused on mental and physical well-being.

• Availability of snacks, group sports sessions, drinks fridge, and a lighthearted atmosphere.