Career @ X-Systems:
Secure Android OS > App Developer

Secure Android OS > App Developer

Are you an enthusiastic mobile Android developer with a lot of experience in Java? Then this vacancy could be for you.

We are looking to expand our team. We are looking for a young enthusiastic out of the box thinking back-end or full stack Android developer. You will work on in-house developed and yet to be built new Secure Android OS applications.


Are you always worried about what happens to your data? At X-Systems, we realize that online privacy and identity protection are rapidly disappearing in today’s digital world. Our mission is to guarantee our customers’ fundamental right to privacy through strong encryption, education and full transparency. However, this is not an easy task and that is why we are looking for enthusiasts who fit into our team.


We are intrigued by the opportunities of tomorrow and want to make cybersecurity accessible to everyone. Here we are constantly exploring new ideas and inspiring each other to raise the bar every day.


Who are we:
X-Systems designs mobile communications solutions with multi-layered security that run on a custom Secure Android OS and hardware. We are working hard with customers all over the world.


We are located in the most beautiful part of The Hague, opposite the World Trade Center.


Salary indication: € 5.000 a/month.


Your daily activities are:
Design, build, and maintain easy-to-test, reusable, and reliable code.
Decide on functional implementation within the team.
Evaluate new technologies as they apply to existing functions.
Work on Secure Android OS – App developments.
Work with colleagues to integrate internally developed deliverables into the project.
Work with software vendors to integrate externally developed deliverables into the project.
Use creative problem-solving techniques to solve unknown challenges.
Follow the best coding standards and design patterns.
Maintain technical documentation.
Ensure that the team delivers high-quality code and provides mentorship and supervision to less experienced software engineers.
Ensure task difficulty is evenly distributed among colleagues and Scrum practices are followed correctly.


The minimum requirements are:
Previous experience with Java, C, Kotlin, XML, SQL
Experience with Android Studio, GIT, Android SDK
Experience in working with Agile principles, Scrum, Mobile development
Fluent English


Optional, nice to have:
Part time available
Partly at the office and partly working from home
Living in South Holland


Please send comments to

We look forward to welcoming you to our team.

Secure Android OS > App Developer


Contact us:



Telephone: +31 85 877 17 67


Please send us an email with your CV. We look forward to hear from you!