Senior Backend Engineer - Kotlin, Spring, AWS (d/f/m)

Bettermile; Berlin; Vor Ort; EUR 60.000 - 90.000; Vollzeit

Zusammenfassung

A leading tech company in Berlin is seeking an experienced Backend Developer to drive their engineering solutions. The position involves designing and implementing backend features, collaborating with cross-functional teams, and mentoring junior engineers. The ideal candidate will have a strong background in Kotlin, cloud services, and CI/CD. Enjoy a supportive work environment that fosters creativity and professional growth while working with a diverse team committed to innovation.

Leistungen

30 vacation days

Kindergarten grant

Company pension scheme

Flexible working hours

Weekly team breakfasts

Qualifikationen

• 5+ years of backend development experience.
• Proficiency in Kotlin or similar JVM languages.
• Familiar with AWS services and cloud architecture.

Aufgaben

• Design and implement features for the backend systems.
• Collaborate with product owners and stakeholders.
• Mentor other engineers and support team growth.

Kenntnisse

Backend Development

Kotlin

API Testing

Cloud-based Architecture

DevOps Practices

Tools

Git

Gradle

Spring Boot

CI/CD Tools

AWS Services

Jobbeschreibung

What is working at Bettermile like?

• 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!

About The Feature team - Better Places:

Location services are at the heart of any delivery experience, and the Feature team of Better Places Product Tribe is building a world-class solution that integrates multiple providers to get accurate geocoding, enables geocode corrections, and serves relevant information about addresses worldwide. We use open-source and proprietary data and algorithms to build a highly scalable system that serves billions of requests.

You will be taking care of

• 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.

You check these boxes

• 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.

It is awesome if you also have

• Experience with Kotlin Coroutines and non-blocking reactive web servers, enabling scalable and efficient backend services.

• Familiarity with performance, load, or stress testing, and an interest in ensuring systems remain reliable under pressure.

• Exposure to data pipelines and orchestration tools like DBT or Airflow, supporting data-driven product development and operations.

Take your chance

Be a part of shaping a fast-growing industry and make an impact from day one. You’ll have the chance to take on responsibility early, with guidance and support from experienced mentors. We foster a learning culture, collaboration on equal footing, and quick decision-making that moves things forward.

Currently, we’re proceeding only with candidates authorized to work in Germany or who already hold a Job Seeker Visa.

About us

At Bettermile, we believe delivery shouldn’t be business as usual. We’re transforming last-mile logistics to drive efficiency and create a better delivery experience for everyone.

Our geo-based, AI-powered SaaS product handles complex address processing, dynamic routing, and navigation. It is built to manage many stops and multiple constraints.

We’re setting a new standard for the last mile and pushing the industry forward, powered by a skilled, international team of tech enthusiasts, logistics experts, and a product suite designed to keep evolving.