Your mission
As an
**App Developer (Flutter \& C\#)**
at NeuroNation, you will play a central role in our mobile technology transition. You’ll help shape the future of our platform by building new features with Flutter, maintaining existing systems in C\#, and contributing to an engaging, smooth user experience for millions of users worldwide. This is a chance to combine technical expertise with purpose\-driven work that improves lives.
Key Responsibilities
Build and maintain mobile app features using Flutter and C\#
* Drive our mobile technology transition with your Flutter expertise
* Collaborate with product, design, and engineering teams to deliver seamless solutions
* Monitor app health and performance to ensure reliability and user satisfaction
* Contribute ideas and improvements that reach millions of users
Your profile
Must\-have Skills
Proven experience in Flutter mobile development
* Strong knowledge of C\# and object\-oriented programming
* Experience developing games with complex logic (e.g., state machines, deep rule sets, dynamic gameplay mechanics)
* 3\+ years of professional experience in software development
* Degree in Computer Science or related field
* Located in Germany (remote within Germany or hybrid in Berlin)

Nice\-to\-Have Skills
Familiarity with Xamarin.Android or Xamarin.iOS
* Background in Unity or game development
* Experience with quality management systems (e.g., ISO 13485, MDR)
Why us?
Work on something that truly creates value for people
* Make a significant impact on a platform used by millions worldwide
* Take on meaningful, exciting projects instead of routine corporate or agency work
* Help revolutionize health and education systems through technology and innovation
* Enjoy flexible working hours (core hours: 9:30–16:30 CET)
* Receive a BVG ticket to support sustainable and convenient commuting
* Access an Urban Sports Club membership for your well\-being and work\-life balance
* Be part of an open, supportive culture that values learning, growth, and collaboration
*About Us**
For 15 years, we have been developing digital training programs that are proven to enhance cognitive performance and are easily accessible to people worldwide. Today, our health app
**NeuroNation**
is available in 13 different languages and is used by over 30 million people. Our cognitive therapy program,
**NeuroNation MED**
, has been permanently approved as a digital health application by the Federal Institute for Drugs and Medical Devices and supports approximately one\-quarter of all patients with mild cognitive impairment (ICD\-10 F06\.7\) in Germany. Our long\-term goal is to establish the first virtual clinic for cognitive and mental health.
*Why You Should Join NeuroNation**
We build science\-backed brain\-training and digital cognitive therapy that reaches millions of people. Your work here will shape how people care for their minds every day.
*Impactful Work:**
Working with us means contributing to a product that profoundly impacts cognitive health. Our brain training programs, backed by cutting\-edge neuroscience and cognitive psychology, are designed to enhance cognitive functions, improve working memory, and elevate our users' quality of life.
*Inspiring Environment:**
At NeuroNation, you'll join a vibrant team of passionate and innovative professionals. We believe that collaboration and creativity thrive in a fun and inclusive environment. From team\-building activities to spontaneous brainstorming sessions, we make sure that work is both productive and enjoyable.
*Flexible hours:**
Our flexible working hours and remote work policy let you tailor your work schedule to fit your lifestyle, ensuring you can perform at your best.