Senior Backend Engineer (Java/Kotlin)- (m/f/x)

Set a new pulse for healthcare!

We are looking for a Senior Back End Software Engineer to join the Business Performance team at Doctolib.

Your mission will be to help reinforce Doctolib's position as a leading healthcare technology platform by building high-quality products that improve the daily lives of healthcare professionals and patients. You will work in a feature team developing solutions that directly impact millions of people across Europe.

Working in the tech team at Doctolib means building innovative products and features to improve the daily lives of care teams and patients.

What you'll do

Your responsibilities include but are not limited to:

• Collaborate with product managers, designers, and engineers to design and ship features that deliver real value to healthcare professionals and patients
• Design and implement robust technical solutions ensuring performance, security, and usability across our back-end applications
• Contribute to technical decisions and architectural choices — not just implementation — helping shape the long-term direction of the platform
• Navigate integration complexity across a broad and diverse partner ecosystem, balancing delivery speed, reliability, and maintainability
• Champion AI-assisted development workflows and help elevate your team's proficiency with these tools
• Share your expertise across teams to evolve Doctolib's architecture and technical standards through knowledge sharing, code reviews, and pair programming

Who you are

Before you read on: if you don't have the exact profile described below, but you feel this job description matches your skill set, we still encourage you to apply.

You'll be a great fit if you:

• Have strong back-end software engineering experience with the JVM ecosystem (Java, Kotlin, Spring Boot)
• Have hands-on experience using AI-assisted coding tools and are comfortable integrating them into your daily workflow
• Have significant experience navigating integration complexity across large partner networks and diverse legacy systems
• Have a "user first" mindset and are committed to building secure, well-tested, and pragmatic code — you bring a strong testing culture and care deeply about code quality and system resiliency
• Are proactive, curious, and eager to grow alongside your teammates through pair programming and cross-team collaboration
• Are fluent in English

It would be fantastic if you:

• Have experience with

Our interview process

• Recruiter Interview
• Coding Interview
• System Design Interview
• Final Interview
• At least one reference check

We want your experience to be clear, respectful, and transparent. Learn more about our hiring process on our candidate experience page.

Job details

• Permanent position
• Tech stack: React, Java, Kotlin, Ruby on Rails
• Full-time
• Berlin, Germany
• Hybrid work setup (up to 2 remote days per week)
• Start date: as soon as possible

We welcome everyone

At Doctolib, we are committed to improving access to healthcare for everyone. This translates into our recruitment process. We evaluate candidates based solely on qualifications and motivation, without any form of discrimination.

The more diverse ideas are heard, the more our product will truly improve healthcare for all. You are welcome to apply to Doctolib, regardless of your gender, religion, age, sexual orientation, ethnicity, or disability.

To ensure equal opportunities, we invite you to exclude personal information (e.g., pictures, age) from your applications. If you require any accommodation, please let us know for support during the hiring process.

Join us in building the healthcare we all dream of!

Your data privacy

All information provided is processed by Doctolib for application management. For data processing details, click here. Please contact hr.dataprivacy(at)doctolib.com for inquiries or to exercise your rights. Find more English Speaking Jobs in Germany on Arbeitnow