Senior Backend Engineer (m / f / d) - Berlin

Stellenbeschreibung:

Your Impact

We’re looking for a Senior Backend Engineer to help shape the future of our digital healthcare platform. In this role, you’ll build critical features across our core backend systems, drive the evolution of our architecture, and create robust, scalable services that power life‑saving technologies. Working closely with cross‑functional teams—including Product, Operations, and Customer Success—you’ll directly contribute to improving the lives of thousands of elderly people and their families. You’ll also mentor fellow engineers and help cultivate a strong engineering culture of quality, collaboration, and ownership.

Your Mission

Design, build, and maintain scalable and reliable services in a microservice architecture
Power critical user‑facing products : Webshop, Customer Portal, Backoffice, and Mobile Apps
Build and manage integrations with third‑party tools, including CRMs and payment platforms (e.g., Salesforce, Chargebee)
Collaborate closely with product managers, designers, and engineers to define technical requirements and ship impactful features
Drive technical discussions, participate in code reviews, and help define best practices
Support the full software lifecycle—from idea to production—ensuring high quality and resilience
Contribute to the evolution of our platform architecture, focusing on scalability, maintainability, and performance
Provide mentorship and support to team members, enabling technical growth and knowledge sharing
Act as a partner to customer‑facing teams to investigate and resolve complex issues quickly and effectively

Your Talent

8+ years of experience in software engineering, ideally in fast‑paced, startup environments
Proven ability to own complex projects end‑to‑end and operate with a high degree of autonomy
Deep expertise in Kotlin, Java, and Spring Boot
Solid knowledge of microservice architectures, distributed systems, and event‑driven design
Experienced with PostgreSQL and key AWS services such as Lambda, SQS, EventBridge, API Gateway, DynamoDB, Secrets Manager, and S3
Skilled in integrating third‑party APIs and CRMs
Familiar with Firebase, including messaging and analytics
Comfortable operating across the stack when needed
Hands‑on, pragmatic, and solutions‑driven with a high attention to detail