Senior Android Engineer

Clue for Android has over 10 million installs and a 4.8 average rating, which creates a very exciting challenge for our team. The app is gradually moving from Java to Kotlin (over 50% is in Kotlin already) , uses minSdkVersion 19, and takes advantage of Dagger 2 and RxJava/RxKotlin. Custom views are common in the code base due to our UI and UX requirements, but always with a keen eye for the highest-performing approach.


  • Be part of a cross-functional team of engineers, product owners, and data scientists
  • Design, build, and contribute to the development of new features as well as the improvement of existing ones
  • Work closely with iOS and backend engineers to have a common vision of the product
  • Help guide and design engineering decisions
  • Act as a mentor to other developers and share your knowledge


  • Solid knowledge in writing Android applications (Java or Kotlin)
  • Ability to write readable, reliable, and reusable code
  • Experience writing unit tests and/or UI tests
  • Good knowledge of Material Design guidelines
  • Good communication skills


  • Experience with dependency injection and Dagger 2
  • Experience with RxJava/RxKotlin
  • Skillfulness in implementing custom UI


We believe personal growth is essential for professional growth which is why we offer all the standard benefits, plus some that are uniquely Clue.

  • Care for your body and mind with free weekly yoga and personal trainer sessions, a free on-site therapist and low-cost massages in the office.
  • Learn and grow with a personal education budget and subsidized German lessons at work.
  • Work your way in our child-friendly and dog-friendly office. We’ll help with relocation if you’re not already in Berlin.
  • Five weeks of paid vacation each year, a competitive salary and the option to join the company pension plan.

Clue is committed to providing an environment of mutual respect, where equal employment opportunities are available to all applicants and team members. Our users are global and multicultural—and we want our team to reflect this. If you need assistance or an accommodation due to a disability, please contact us.

Clue is the world’s fastest growing female health app. The company has more than five million active users in over 190 countries, and is one of the most popular apps in the “Health & Fitness” category in the United States, Germany, the UK, Brazil, France, Mexico and many others. Clue’s mission is to help people all around the world benefit from insights into female health. Numerous major media have greatly praised Clue, including TechCrunch (“Clue is the most underrated app ever”), BuzzFeed, Wired (“Hottest Startups 2015”), Slate (“One of our favorite apps of 2014”), Cosmopolitan (“We love Clue”) and The Huffington Post (“Awesome”). The Berlin-based startup has the backing of prestigious investors such Union Square Ventures; Mosaic Ventures; Groupe Arnault, the controlling shareholder of LVMH Moët Hennessy - Louis Vuitton; Brigitte Mohn of Bertelsmann; and entrepreneurs from Spotify, SoundCloud and Dropbox.