Senior Backend & AI Engineer (all identities)

Caspar Health€78K – €88K per yearGermany only

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das erwartet dich
Build intelligent backend systems that make a genuine impact in healthcare.

Caspar Health is the leading digital platform for medical rehabilitation. We empower doctors, therapists, and nursing staff to care for patients as quickly, effectively, and sustainably as possible.

To take our platform to the next level, we are expanding our small, highly agile backend squad (consisting of 3 engineers and a Product Manager).

In this role, you will take full technological ownership: from designing robust Ruby on Rails services and clean API architectures to building LLM-based agent workflows with repeatable quality checks. If you are passionate about combining modern AI engineering with true purpose and highest software standards, you will thrive here.

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Senior Backend & AI Engineer (all identities) at Caspar Health · ApplyPick

deine herausforderungen
System Architecture: Full end-to-end ownership of your features across implementation, automated testing, release, and live operation.
Backend Engineering: Development of scalable Ruby on Rails services, robust APIs, data models, and background jobs including authorization and billing workflows.
LLM Workflows: Building and optimizing LLM applications, evaluation pipelines, and agent workflows with repeatable quality checks.
Product Collaboration: Close partnership with Product Manager and domain experts to turn complex requirements into maintainable, high-performance software.
Technical Reviews: Active contribution through clear technical reviews, operational monitoring, and explicit technical decision-making.
Quality Standards: Shaping our shared delivery practices and establishing modern test and engineering standards across the team. dein profil
Backend Engineering: Strong senior experience in building and maintaining complex systems using Ruby on Rails .
API Design: Proven expertise in designing clean APIs, data models, and managing background job processing.
System Architecture: Sound understanding of authorization concepts, billing workflows, and automated testing strategies.
LLM Practice: Practical experience building LLM applications, evaluations, and agent workflows.
End-to-End Ownership: Ability and mindset to own functionality independently from initial design to live production.
Technical Communication: Strong communication skills to collaborate with product and domain experts and make technical trade-offs explicit. warum caspar health?
Remote-first with flexible working hours – office optional in Berlin-Mitte or up to 90 days a year outside of Germany
To match this, we support you with a monthly home office allowance and an additional meal subsidy
Plenty of time to recharge – with 30 vacation days per year
Budget for learning & development, conferences, and coaching – tailored to your potential and growth opportunities
High level of ownership and decision-making freedom – no micromanagement. We hire experts who know what they’re doing. #MakeAnImpact!
Genuine collaboration – no silos, no egos. After all, we’re all working toward the same vision. #ValueFocus!
Access to all Caspar offerings for mental and physical well-being #HealthyTogether!
And yes – all the snacks your heart desires, group sports sessions, a never-empty drinks fridge, and a healthy dose of humor are included too

Senior Backend & AI Engineer (all identities)

Apply now

Senior Backend & AI Engineer (all identities)

Apply now

What definesus as a team

Hannah Christiani, Talent Acquisition Specialist

Diversity and Inclusion:

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