Senior Backend Engineer, AI

🔥 11 minutes ago

🇩🇪 Germany – Remote

💵 €78k - €88k / year

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 0%

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Caspar Health

WebsiteLinkedInAll Job Openings

51 - 200 employees

🏥 Healthcare

⚕️ Healthcare Insurance

☁️ SaaS

💰 Series B on 2021-07

Healthcare • Healthcare Insurance • SaaS

Caspar Health is a digital health company focused on providing innovative rehabilitation, prevention, and aftercare solutions. Partnering with clinics, Caspar Health offers a combined digital therapy model that emphasizes individual patient needs, high treatment quality, and lasting therapeutic success. Their platform, recognized by the German Pension Fund and certified by DEGEMED, enables clinics to deliver efficient, high-quality care while optimizing medical staff resources. Caspar Health's solutions are supported by a multiprofessional team and leverage digital tools like their app for virtual therapy, contributing to the growing digital health market in Germany and beyond.

📋 Description

• Take full end-to-end ownership of features across implementation, automated testing, release, and live operation • Develop scalable Ruby on Rails services, robust APIs, data models, and background jobs • Build and optimize LLM applications, evaluation pipelines, and agent workflows with repeatable quality checks • Implement authorization and billing workflows • Collaborate closely with the Product Manager and domain experts to turn complex requirements into maintainable, high-performance software • Contribute through technical reviews, operational monitoring, and explicit technical decision-making • Shape shared delivery practices and establish modern testing and engineering standards across the team

🎯 Requirements

• Strong senior experience in building and maintaining complex systems using Ruby on Rails • Proven expertise in designing clean APIs, data models, and managing background job processing • Sound understanding of authorization concepts, billing workflows, and automated testing strategies • Practical experience building LLM applications, evaluations, and agent workflows • Ability and mindset to own functionality independently from initial design to live production • Strong communication skills to collaborate with product and domain experts and make technical trade-offs explicit • Must be eligible to work in Germany and resident from the first day • Visa sponsorship and relocation assistance are not available

🏖️ Benefits

• Remote-first with flexible working hours • Office optional in Berlin-Mitte • Up to 90 days a year outside of Germany • Monthly home office allowance • Additional meal subsidy • 30 vacation days per year • Budget for learning & development, conferences, and coaching • High level of ownership and decision-making freedom • Access to all Caspar offerings for mental and physical well-being • Snacks, group sports sessions, drinks fridge, and humor