Senior Fullstack Engineer, all identities

• Learn therapist-interface workflows, become familiar with the architecture, and ship initial improvements during the first three months
• Own larger full-stack features from requirements shaping through implementation, testing, release, and iteration
• Build and improve features across the Ruby on Rails backend and React/TypeScript frontend
• Make technical implementation decisions regarding code structure, testing approaches, and incremental refactoring
• Decide how to break down and deliver work within agreed priorities and engineering standards
• Lead technical recommendations affecting shared architecture, other teams, or delivery commitments
• Improve the therapist experience and the reliability and maintainability of the underlying software
• Collaborate with Product, Design, a cross-functional engineering team, and a UX/UI Designer

• Several years of experience building and operating web applications in production
• Strong experience with Ruby on Rails
• Experience with React and modern TypeScript
• Strong understanding of relational databases, PostgreSQL, APIs, and testing
• Ability to navigate ambiguous requirements and make sound technical trade-offs
• Product mindset focused on intended outcomes
• Judgement and independence to take work from an initial problem through to production
• Professional working proficiency in English
• Must be eligible to work in Germany and resident in Germany from the first day
• Visa sponsorship and relocation assistance are not available

• 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, and drinks fridge