Senior Full-Stack Engineer

Das erwartet Dich Caspar Health builds digital rehabilitation products that enable patients to continue their therapy beyond the clinic and help therapists support them more efficiently. As a Senior Fullstack Engineer in our Healthcare Professionals Squad, you will build and improve the interface therapists use to manage their daily work. Working across our Ruby on Rails backend and React and TypeScript frontend, you will shape solutions with Product and Design and take them from an initial problem through to production. You will join a cross-functional team of four engineers and a UX/UI Designer. Together, you will improve how healthcare professionals communicate with patients and deliver therapy—while shaping the architecture, reliability and maintainability of the underlying software. We appreciate your expertise and wish to provide full transparency regarding the compensation range for this role. Your starting salary will be aligned with your qualifications, relevant experience, skill set, and market benchmarks. Remuneration for this position follows our internal salary bands and ranges from €76,000 to €82,000 gross annually (based on a full-time 40-hour work week). Deine Herausforderungen In this role, you will: Learn the workflows supported by our therapist interface, become familiar with our architecture and ship your first improvements during your first three monthsTake ownership of larger full-stack features—from shaping requirements with Product and Design to implementation, testing, release and iterationBuild and improve features across our Ruby on Rails backend and React and TypeScript frontendMake technical implementation decisions about code structure, testing approaches and incremental refactoringDecide how to break down and deliver work within agreed priorities and engineering standardsLead technical recommendations for changes affecting shared architecture, other teams or delivery commitmentsImprove the therapist experience as well as the reliability and maintainability of the underlying software Dein Profil Several years of experience building and operating web applications in productionStrong experience with Ruby on Rails and experience with React and modern TypeScriptStrong understanding of relational databases (PostgreSQL), APIs, and testingThe ability to navigate ambiguous requirements, make sound technical trade-offs and turn problems into maintainable solutionsA product mindset: you seek to understand the intended outcome rather than treating implementation as an isolated taskThe judgement and independence to take work from an initial problem through to a production resultProfessional working proficiency in English You do not need to meet every requirement perfectly. If the role interests you and you believe your experience could help us improve the platform, we encourage you to apply. Warum Caspar Health? Remote-first with flexible working hours – office optional in Berlin-Mitte or up to 90 days a year outside of GermanyTo match this, we support you with a monthly home office allowance and an additional meal subsidyPlenty of time to recharge – with 30 vacation days per yearBudget for learning & development, conferences, and coaching – tailored to your potential and growth opportunitiesHigh 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 What Defines Us As a Team We live diversity – it's not a marketing slogan, it's part of our everyday realityFeedback isn’t a tool – it’s part of our cultureWe believe that technology only makes sense when it truly helps peopleOur drive is purpose – but our standard is professionalism Dein Kontakt Elisabeth Hegele; Talent Acquisition Specialist Please submit your application online. We are also interested in knowing your earliest possible start date and your salary expectations. If you have further questions please reach out to talent@caspar-health.com. We will get in touch with you as soon as we can. Our product CASPAR Health is used in the environment of medical institutions, patients, doctors and therapists. Working with (sensitive) personal data (e.g. health data) is part of our daily work. Therefore, we require a high level of commitment to the protection of personal data from our employees in order to protect the rights of the data subjects as best as possible. Diversity and Inclusion: At Caspar Health, we strive to provide a friendly, safe and welcoming environment for all Casparians* regardless of ethnic origin, gender, gender identity and expression, sexual orientation, limitations of any kind, physical appearance, social background, age or religion (or lack thereof). When you apply, we purely focus on your experience and motivation. You decide what additional information you want to disclose (picture, marital status, religion, gender, nationality, etc). We value and treat all applications equally. We are looking forward to getting to know you! Data privacy notice: Please apply exclusively via our application link, as this is the only way we can ensure the protection of your data. You can find our privacy policy here. Über uns Bei Caspar Health schaffen wir digitalisierte Rehabilitation für medizinische Einrichtungen, um Ärzt*innen, Therapeut*innen und Patient*innen mit innovativen Tools zu unterstützen, eine langfristige Genesung und einen Neuanfang in ein gesünderes und nachhaltigeres Leben für alle Patient*innen zu sichern. Wir stellen Ärzt*innen und Therapeut*innen die digitale Therapie-Plattform zur Verfügung, um individuell angepasste, interdisziplinäre Caspar-Therapiepläne zu erstellen und den Genesungsverlauf und die Entwicklung zeit- und ortsunabhängig zu verfolgen. Alle Patient*innen erhalten ein Caspar Health-Konto mit einem auf sie zugeschnittenen interdisziplinären Therapieplan. Es umfasst klinische Übungen, Seminare und Aufklärungsvideos, die unabhängig von Zeit und Ort immer verfügbar sind. Caspar Health ist eine interaktive Plattform. Patient*innen trainieren, geben ihr Feedback und erhalten die notwendige Unterstützung von unseren Caspar Clinic Therapeut*innen.