Mobile Developer

Remote work


We are seeking an experienced Mobile Developer to join a project aimed at creating a dedicated communication app for a German municipality. The application will be based on two existing open-source solutions: Jitsi Meet, enabling online video conferencing, and Element (formerly known as Riot and Vector), a Matrix client providing advanced communication features.

Technical Overview:

  • Element (Matrix Client): A Matrix client for iOS and Android. It offers features such as text chat, video conferencing, file sharing, voice and video calls. It supports end-to-end encryption, private and public groups, and integration with various platforms. Available as a web application, desktop apps (Windows, Mac, Linux), and a mobile app (Android, iOS)
  • Jitsi Meet: Open-source JavaScript WebRTC software for online video conferencing. It supports screen sharing, invitation of participants via generated links, meeting recording, and end-to-end encryption with dynamic key management. Available on web platforms, Android, and iOS.

Our Ideal Candidate:

  • Proficiency: Expert in iOS development using Swift, Android development using Java/Kotlin, and JavaScript for cross-platform development. Familiarity with Element and Jitsi Meet is highly valued.
  • Innovative Mindset: A creative problem solver who can contribute fresh ideas to enhance the user experience and functionality of the communication app.
  • Collaborative Spirit: Enjoys working in a dynamic, international team environment. Ability to seamlessly integrate Element and Jitsi Meet functionalities within the app.
  • Adaptability: Comfortable navigating through various aspects of mobile development, including different languages and open-source technologies.
  • Communication Skills: Fluent in spoken and written English. Proficiency in Polish and German is a plus.


  • 100% remote work.
  • Competitive compensation: 150-180 PLN per hour on B2B or 20-25k PLN gross on an employment contract.
  • Opportunity to work in an international team.
  • Flexible working hours.
  • Benefits Package
  • Possibility of a Two-Week Onboarding in Austria for a better understanding of the project and team integration.

About us

We are a Software House with experience in cybersecurity, specialized in developing mobile/web applications and providing IoT solutions. We cooperate with the industrial sector, IT e-commerce companies . We created low-code platform – 5Days, designed as the fastest and most cost-effective tool for building enterprise-class IT solutions. You can become a part of SafetyHeads while being able to continue your other projects at the same time.

Why it’s worth joining us?

Health care

Individual training budget

Fully remote work

Flexible working hours

Unique working atmosphere

Family-friendly community

Knowledge sharing with developers with extensive experience

In-house training programs (Angular, IOS, Android, CyberSecurity Leadership)

Recruitment process


HR call

After we receive your CV you will have a short conversation with HR, during which we will initially tell you about SafetyHeads, the project and the role that interests you, and we will gladly hear about your expectations.

Online meeting

We invite you to a 1.5-hour meeting with HR and a technical person, during which we will get to know each other better, talk about your experience and the possibilities we have for you.

Meeting with the customer

The client is also very happy to meet you. There will be one or two interviews with him, if necessary.


We will get back to You with the results of the recruitment regardless of the outcome. Hopefully it will always be good news.

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