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

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: 130+ people, 40 languages, 40% 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 - 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 team: Location services are at the heart of any delivery experience, and the Features team of Better Places 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 yearly. YOU WILL BE TAKING CARE OF - Building and taking end-to-end ownership of new features across our Kotlin-based backend microservices - Deploying features and scaling systems via Infrastructure as Code (IaC) - Partnering with product owners, fellow engineers, and cross-functional teams to clarify requirements, clear blockers, and drive initiatives forward - Jumping into a dynamic team environment to refine our engineering practices and actively shape a tribe and product transformation as we evolve our backend architecture for the future - Looking beyond existing solutions to actively identify architectural bottlenecks and drive meaningful improvements Our Tech Stack: - Backend Services: Kotlin, Spring Boot, Relational Databases (PostgreSQL), AWS (ECS, SQS, Eventbridge, EC2), Infrastructure as Code (Pulumi) YOU CHECK THESE BOXES - A background in computer science and software engineering, including a minimum of 3 years of backend experience - Proficiency in Kotlin or deep production experience in Java with a strong affinity for Kotlin, along with frameworks like Spring Boot and build tools like Gradle - Skilled in architectural design, specifically building fault-tolerant, high-throughput distributed systems - Hands-on cloud experience with AWS and Infrastructure as Code (IaC) tools such as Terraform or Pulumi - A commitment to clean code and engineering best practices, including RESTful/API design, Git, and maintainable technical documentation - A hands-on, data-driven mindset that actively builds new capabilities, challenges the status quo with clear evidence, and adds distinct, complementary perspectives to the team - Proficiency in Business English IT IS AWESOME IF YOU ALSO HAVE - Hands-on experience with asynchronous programming using Kotlin Coroutines and reactive data streams (e.g., Flow, RxJava, Project Reactor) - Practical know-how in taking ML models and productionizing them within backend services - Knowledge or practical experience with geospatial data processing 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.