Job Description

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What to expect

At Caspar Health, we are transforming rehabilitation by integrating innovative technology with personalized care. As a leader in digital aftercare, we aim to redefine prevention and recovery. Join our team and contribute to building scalable, secure systems that enhance patient outcomes and support therapists in delivering high-quality care.


We’re on the lookout for a

hands-on Engineering Team Lead (all genders)

with deep expertise in

Ruby on Rails

and a

proven track record of leading, mentoring, and growing software engineering teams

. You’ll play a key role in shaping our technical direction, fostering a high-performing engineering culture, and ensuring delivery of scalable, maintainable systems.


It is an exciting time to work at Caspar because you will be the one designing how the system will work in the future.

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Your Challenges

Empowering a High-Caliber Engineering Team:

Guide and inspire a team of experienced senior engineers — striking the right balance between authority, autonomy, and collaboration

Driving Technical Vision:

Take ownership of long-term technical decisions, refactoring paths, and architectural evolution without always having clear-cut answers upfront

Merging Hands-on Coding With Strategic Leadership:

Lead from the front, coding actively while still setting strategy, giving feedback, and facilitating growth

Balancing Product Priorities With Technical Debt

: Work closely with product managers to prioritize work that delivers user value and keeps our codebase healthy and future-ready

Improving Processes in a Growing Org:

Optimize development workflows and cross-functional collaboration as we scale — making sure our agility and code quality grow with us.
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Your profile

Deep Technical Expertise in Ruby on Rails & Technical Leadership

- You have extensive hands-on experience with Ruby on Rails in production environments and a proven ability to lead or mentor engineering teams working with this stack

Strong System and Database Knowledge

- You possess a robust understanding of relational databases, especially PostgreSQL, and are skilled in writing and optimizing complex SQL queries for performance and scalability

Cloud Infrastructure Proficiency (AWS)

- You have practical experience working with AWS infrastructure, including the ability to integrate and manage cloud-based services to support scalable and reliable applications

Innovative Thinking with AI Exploration

- You bring curiosity and initiative to experiment with AI-driven approaches, leveraging them to unlock new product possibilities, improve efficiency, or enhance user experience

Commitment to Software Quality and Testing

- You advocate for testability and maintainability, have experience with end-to-end testing frameworks like Cypress, and actively promote best practices for testing within the team

Full-Stack Awareness and Collaborative Mindset

- You are familiar with modern JavaScript frameworks (preferably React, Angular, React Native), excel in cross-functional collaboration, and bring a proactive, continuous-improvement mindset that enhances both team performance and product quality

Excellent Communication & Language Skills

- You are a strong communicator and team player, with a solid command of

English (both written and spoken)

— essential for collaboration in our international team
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Why 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.

What defines us as a team

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We live diversity – it's not a marketing slogan, it's part of our everyday reality Feedback isn’t a tool – it’s part of our culture We believe that technology only makes sense when it truly helps people Our drive is purpose – but our standard is professionalism
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Your contact

Elisabeth Hegele, Talent Acquisition Specialist.



Please use our Career Page to apply to this position, we will not consider applications via email.

We are looking forward to receive your CV, salary expectation and your earliest starting date.

Diversity and Inclusion:

At Caspar Health, we strive to provide a friendly, safe, and welcoming environment for all Casparians – regardless of gender, gender identity and expression, sexual orientation, disabilities of any kind, physical appearance, social background, age, or religion (or lack thereof).

In your application, we focus on your experience and motivation. It’s entirely up to you which additional personal information you'd like to share (photo, marital status, religion, gender, nationality, etc.). We value and treat all applications equally.

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.

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About us

Caspar Health is a digital rehabilitation clinic with a vision to provide patients with access to the most effective rehabilitation treatment at any time, any place.


Medical facilities use Caspar Health to conduct therapy measures online with their patients during their hospital stay and after discharge. The combination of learning technology with in-depth medical knowledge ensures that the therapy goal is achieved in a sustainable manner.


The services are covered by numerous pension insurance companies in the areas of rehabilitation, prevention and aftercare.