Senior Backend Engineer - Kotlin, Spring, AWS - Remote

Overview

We are hiring two Senior Backend Engineers across two different teams—each with unique challenges and focus areas. You can learn more about our teams and their work on our Bettermile Developer Portal.

In Short

• Driving the future vision and direction of our engineering solutions.
• Designing and implementing features and improvements across all levels of our infrastructure and backend systems.
• Proactively collaborating with other teams, Product Owners, On-Call Engineers, and stakeholders.
• Demonstrating strong ownership during the planning phase, in collaboration with Product Owners.
• Contributing to strategic, long-term team decisions—such as framework and architecture choices—guided by business needs.
• Supporting ongoing efforts to optimize our existing microservice architecture.
• Actively giving and receiving feedback to foster continuous improvement.
• Mentoring and supporting the development of team members.

Requirements

• You bring a strong foundation in software engineering, with at least 5 years of hands-on backend development experience.
• You have proficiency in Kotlin, or a strong background in similar JVM languages such as Java or Scala, and are comfortable working with Gradle and the Spring Boot framework.
• You’re confident using API testing tools and Git, and have a track record of applying these skills effectively in real-world projects.
• You’re familiar with AWS services like SNS, SQS, EventBridge, ECS, and CloudWatch, and understand the principles of cloud-based architecture, including analytics and machine learning services.
• You’ve worked with Infrastructure as Code and DevOps practices, contributing to scalable, maintainable infrastructure.
• You’re experienced with CI/CD pipelines and deployment workflows using tools such as GitHub Actions, ensuring smooth, automated delivery processes.
• You have experience mentoring and supporting the growth of other engineers, and enjoy sharing knowledge and best practices within your team.
• You’re fluent in Business English, and capable of communicating clearly and effectively across teams and roles.

Benefits

• We mean it when we say “cutting edge” and have a high level of creative freedom in our everyday work.
• You will be surrounded by like-minded, driven, skilled, and highly motivated people who are keen to contribute to successful solutions.
• We mean diversity, and we put it in numbers: 100+ people, 33 languages, 41% female (vs. ø26% in the tech industry), ø33 years of age, and yes, we do have Schlager-Fans among us.
• We have a very supportive and appreciative working environment with a lot of autonomy, a flat hierarchy, and professional growth possibilities.
• We work in a hybrid mode, with weekly team days for better collaboration and nurturing interpersonal connections. When onsite, we work in a modern, kid- and pet-friendly Better Space in the heart of Berlin-Kreuzberg.
• Remote work from anywhere for up to 12 weeks in total per year.
• 30 vacation days in a 5-day/week working model.
• Part-time for 32 hours is possible.
• Kindergarten grant and a Company Pension scheme.
• Regular team breakfasts, fitness & wellness classes, company runs, and other events. Fruits, snacks, drinks, and coffee with a variety of milk are a given - but yes, we have them.
• Outstanding flexibility we are proud of – and, of course, the best colleagues in the world!