Senior Backend Engineer - Kotlin, Spring, AWS - Better Route

Our dynamic backend team is the powerhouse behind various stateful services and state management systems that drive seamless user experiences across multiple customer integration options. Specializing in the development and integration of complex systems, the team expertly manages components such as the stateful tour backend, as well as services responsible for driver tasks, notifications, and timeframes.

These services are meticulously crafted to ensure robust, scalable, and reliable functionality and interoperability, both internally and with external services, ensuring a consistent data flow to our internal data setup.

Our Tech Stack:

• Backend Services: Kotlin, Spring Boot, Relational Databases (PostgreSQL), AWS (ECS, EC2, DynamoDB, SQS, Eventbridge, Elasticache), Infrastructure as Code (Pulumi)
• Data Platform: Python, Athena, Airflow, DBT, Snowflake

You will be taking care of

• Being an integral part of the Asgard engineering team and contributing to a collaborative team environment.
• Developing and implementing new features.
• Taking ownership of services infrastructure, ensuring its reliability and scalability.
• Owning the full development cycle of features with no hand-offs: from initial definition and CI/CD setup to production monitoring and support.
• Actively participating in architectural discussions to help identify and implement more efficient service designs.
• Taking responsibility for observability and monitoring to maintain transparency and system health.
• Supporting QA processes to ensure high quality and stable releases
• Working with data analytics to better understand system performance and product impact.
• Actively participating in the team's ceremonies and rituals.

• You will be surrounded by like-minded, driven, skilled, and highly motivated people who are keen to contribute to successful solutions., * Proficient in Kotlin or long production experience in Java with a strong affinity for Kotlin.
• Experienced in building scalable microservices using the Spring Boot ecosystem.
• Experienced in DevOps practices, including observability, deployment pipelines and managing infrastructure with Infrastructure-as-Code.
• Experienced working with cloud-based services and technologies, such as AWS, Azure, or GCP.
• Strong grasp of engineering best practices and system design principles, with experience in designing and implementing robust, secure, highly available, and cost-efficient systems.
• Interested in using AI-assisted workflows and helping us refine our internal AI context and development setup.
• Understanding the importance of continuously delivering value and being able to work in small increments.
• Ability to communicate and collaborate effectively in an English-speaking environment.

It is awesome if you also have

• A foundational understanding of Python, enabling effective collaboration with our data analyst.
• Basic data engineering knowledge to work with data lakes or warehouses, for example with set up of data pipelines or DAGs in Airflow.
• Practical experience in optimizing AI-assisted workflows and setting up AI context or development infrastructure.

• 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!

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.