Senior Full-Stack Developer , Kotlin Better Tracking (dfm)

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 36 languages 35% 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 Tracking team - Better Tracking Tribe

The Tracking team is at the heart of our mission to redefine the last-mile experience. We create exciting and engaging UX that gives consignees clear and timely delivery information empowers them to influence their delivery experience and bridges the communication gap between Driver and Consignee to achieve successful and more efficient deliveries.

Youll be joining a high-trust flexible environment where ownership is shared and the impact of your code is felt by millions of active users daily!

Our Tech Stack

Front-End: Vue 3.5 using Composition API Vitest 4.x Playwright 1.56 JavaScript Pinia

Back-End: Kotlin Spring Framework PostgreSQL Testcontainers

Infra/CI/CD: AWS services (CDK EC2 ECS S3 EventBridge SQS Location Services API Gateway) GitHub Actions

You will be taking care of

• High-quality delivery on our existing products. You will dive deep into coding E2E implementation and bug fixing.

• Leading the technical research and implementation of PoC greenfield projects.

• Helping us modernize our stack and formalize our front-end engineering foundations.

• Taking ownership of a reliability initiative implementing automated E2E testing and browser/device compatibility standards.

• Partnering with the team to define industry-best QA/SRE standards and professionalizing our front-end development processes.

• Working with your mentor PO and other team members to balance rapid MVP delivery with long-term system stability.

• Close collaboration with non-technical stakeholders.

In this role you will balance high-impact individual contribution with strategic influence focusing primarily on the front-end while routinely contributing to the back-end as well. You will dedicate 90% of your time to tactical execution delivering high-quality code and E2E testing and 10% to defining front-end standards and helping professionalize our development processes further.

You check these boxes

• Strong foundation in software engineering with 5 years of hands-on engineering. Your primary focus is front-end development.

• Expertise in JavaScript and modern frameworks (you will use here).

• Quality-first approach: you dont view testing as an afterthought!

  • Professional experience with automated testing (you will use Playwright here).

• Experience with Kotlin Java Scala or similar languages.

• You thrive in an environment with high autonomy and are comfortable with shared ownership.

• You can find your own path and ask the right questions even when documentation is not perfect.

• You can translate complex technical discussions into clear concepts for non-technical teammates and stakeholders.

It is awesome if you also have

• Exposure to DevOps practices and experience owning cloud infrastructure.

• Practical knowledge of system design principles.

• Practical interest in Kotlin and : professional experience or pet projects.

Take your chance

Be a part of shaping a fast-growing industry and make an impact from day one. Youll 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 were proceeding only with candidates authorized to work in Germany or who already hold a Job Seeker Visa.

About us

At Bettermile we believe delivery shouldnt be business as usual. Were 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.

Were 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.

Required Experience:

Senior IC