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Numrah

Android Developer 2026

Numrah · Osnabrück, Lower Saxony, Germany

Software Development · 51-200 employees

Jul 06
Remote Mid (2-5 yrs) Full-time Germany
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About the role

Develop and maintain high-quality Android applications by writing clean code and supporting the entire application lifecycle. Collaborate with product and engineering teams to implement new features and optimize application performance.

What they look for

Kotlin Java Android Development OOP Design Principles Crashlytics WebRTC WebSocket Firebase Analytics Unit Testing UI Testing Google Playstore Publishing API Integration

Requirements

Requires 2+ years of Android development experience with proficiency in Kotlin, Java, and OOP principles. A BSc degree in Computer Science or a related field is required, along with experience publishing apps to the Google Playstore.

Full description

About Numrah

We are a company which is specialized in developing social network applications, with more than 40 Million/month experiences from multiple mobile applications; we strive to build better features and deliver quality applications to our users across the globe.

About the Android Developer position

We are looking for an Android developer who will join our Engineering team to develop and maintain high-quality mobile applications. You will also collaborate with other internal teams to develop functional mobile applications and support existing mobile products of our company.

You should have significant experience in mobile development and be able to perform efficiently in a fast-paced environment. We also expect you to be passionate about mobile platforms and translating code into user-friendly apps.

Mobile Developer responsibilities are:

  • Develop fully functional Android applications by writing clean code
  • Create and execute unit and UI tests to identify malfunctions
  • Support the entire application lifecycle, including concept, design, test, release, and support phases
  • Retrieve specific requirements and suggest solutions to improve user experience
  • Evaluate and debug mobile applications to optimize their performance
  • Work together with the Product Development team to plan new features
  • Support legacy applications and suggest ways to improve or replace them
  • Oversee the compliance of applications with established quality standards
  • Find and suggest new features, applications, and protocols
  • Stay informed about new technology trends

Mobile Developer requirements are:

  • 2+ years' experience working in an Android Developer position
  • Monitor application stability using Crashlytics, ANR reports, and performance metrics
  • Work closely with Product, QA, Backend, and Design to deliver complete features
  • Implement tracking events for product analytics and feature performance
  • Support feature rollouts, configurations, and A/B testing requirementsWrite reusable, well-tested, and documented code
  • Have Published mobile applications on the Google Playstore
  • Solid experience in Kotlin and Java
  • Good experience with third-party libraries and APIs
  • Good knowledge of OOP design principles
  • Strong analytical skills with a good problem-solving attitude
  • Strong teamwork skills with the ability to perform well in a dynamic environment
  • BSc degree in Computer Science or other relevant areas
  • Since most of our team is around Asia and Eastern Europe, we require someone within GMT+2 to GMT+7

Nice to have:

  • Experience in streaming apps
  • Mobile apps analytics and tracking (firebase analytics will be fine)
  • Experience working on WebRTC
  • Familiar with WebSocket
  • Good UI taste