Your career at Whitebox

Senior Software Engineer (Android, Kotlin)

(m/f/x, 100%, Remote or in Freiburg)

Are you enthusiastic about creating innovation? Are you passionate about developing innovative digital products based on cutting-edge technologies? And are you excited to drive growth in digital wealth management and deliver a unique customer experience? If yes, we can't wait to hear from you.

We are Whitebox, and we believe investing can be fun, simple, and low-risk. Whitebox has started to make digital wealth management accessible to everyone and tailored to individual needs while keeping asset management simple, transparent, and inexpensive.

About Whitebox

Whitebox is one of the leading digital wealth managers in Germany. We are a fast-growing company with flat hierarchies, short decision-making processes, and high personal responsibility of individual employees. We work with a globally distributed and highly qualified software development team to revolutionize the investment industry.

We are looking for an exceptional Android Engineer passionate about designing and building digital financial services products to help drive our rapid growth.

Joining this team will put you at the forefront of fintech innovation. You will be able to scale a first-in-class product leveraging company assets and capabilities and drive significant value back to the business. Most importantly, your work will shape the future financial services landscape.

About the Role

Our software engineers are experts in the field of software engineering. Through their experience, they can take technical leadership and set technical directions. Solid communication skills enable them to consistently explain their decisions' reasoning and establish, manage, and guide expectations. In addition, their thorough knowledge of software development allows them to translate business requirements into the design and development of industry-leading solutions.

You will be part of an agile and distributed software development team working on our Android mobile application. You will work with cutting-edge concepts and technologies like Kotlin, Jetpack, and GraphQL.

Our Purpose:
We empower thousands of people to improve their financial future.


  • +5 years of experience with developing software for the Android platform, including at least +3 years of experience with the Kotlin programming language.
  • Thorough experience with the Model-View-ViewModel (MVVM) design framework and the Clean Architecture software development method.
  • Thorough experience with Kotlin Flows on Android and Kotlin Coroutines.
  • Extensive experience with the Android user interface and navigation concepts.
  • Extensive experience with the Android App Modularization concept and the Dependency Injection (DI) technique.
  • Solid understanding of programming language paradigms, design principles, and design patterns.
  • Strong communication skills with the ability to interact with technical and non-technical team members.
  • Self-Motivated and capable of working independently as part of a distributed team.

Nice to have

  • Several years of professional experience developing native mobile apps from scratch to operations.
  • Experience with performance profiling tools and optimization techniques.
  • Experience with embedded software development.
  • Experience with GraphQL, Jetpack Navigation*,* Rest APIs, Gradle, and Git.
  • Experience with working in a global and multicultural team.
  • Analytical mindset and good problem-solving skills.
  • Passion for taking responsibility and driving growth in a product company.

At a glance Job overview

Freiburg or Remote
Work experience
5 - 7 years
Software Engineering
Reports to
Matthias Keil
Team size

Your first week

The first week is about context: our organization's why, what, and how. The first week is always exciting and challenging, and we want you to know the team and gain confidence that we will always have your back. You will

  • meet with the team and have One-on-One conversations with everyone,
  • become introduced to our business and upcoming challenges, and
  • discuss the current objectives with our leadership team.

Your first month

The first month is for orientation. You will get to know the codebase, understand the reasons behind past design decisions, and understand our organization's context. In detail, you will

  • work out all the particular areas of the codebase and functionality,
  • elaborate on how all the pieces fit together, and
  • explore how it relates to the product and value we provide our customers.

Your first quarter

In the first quarter, you will become fully integrated into your team and be able to work with everybody on our ongoing projects. In line with this, you will also incorporate yourself into your chapter. You will

  • start bringing value to our customers,
  • moving our projects forward, step by step,
  • working towards your own goals raising the bar, and
  • participating in engineering team meetings, defining our principles, goals, and how we want to work.

Work environment

We are a remote-first company. Our engineering team is spread worldwide but works in similar time zones. This role focuses on relationships. Some colleagues prefer to work a few days a week in our office in Freiburg, Germany. Being able to come in once in a while is a strong plus.

  • This position is a permanent, full-time (40h/wk) role.
  • Thirty days of paid vacation.

Interested in having a chat?

Please send us your CV together with your earliest starting date and salary expectations to Your contact person is Matthias Keil.

Apply for this position