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Frontend and Mobile Developer (f/m/x)

D4L data4life gGmbH
Berlin-Mitte

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Details zur Stelle

Teilzeit
55.000 € – 75.000 € pro Jahr

Leistungen

Homeoffice-Möglichkeit

Qualifikationen

Kotlin
Informatik
CSS
Software Engineering
iOS
JavaScript
SDKs
UI
TypeScript
React Native
HTML

Vollständige Stellenbeschreibung

D4L data4life gGmbH Digital Health

Data4Life is a nonprofit organization with the vision of making the world a healthier place. With an international team, we work together on the mission to digitize health research. By linking technology and research, we make health data available to research in a comprehensive, digital and secure way. Our interdisciplinary team in Potsdam, Berlin and Singapore brings together experts from fields such as product development, digital engineering, data security and science. Data4Life was founded in 2017 and is funded by the Hasso Plattner Foundation.

Frontend and Mobile Developer (f/m/x)

Are you eager to learn new things and implement your own ideas while working with an international and passionate team of professionals?

Would you like to contribute to digital research solutions that have a meaningful impact on healthcare and science?

Tasks

Build and implement state-of-the-art frontend and mobile features by writing accessible, performant, maintainable, and well-tested code following the clean code principles.
Develop, test, and review code. Take part in the software design and architecture decisions.
Implement modules to connect to wearable sensors via Bluetooth Low Energy.
Implement modules to connect to the sensors built in mobile phones, smart watches, and other wearables via SDKs.
Extend our existing Wear OS companion app, written in Kotlin.
Use your UI expertise to implement digital health products and prototypes.
Collaborate closely with UX Design, Backend Engineering, QA, and Product Management.

Requirements

You’re ready for a challenging position with the opportunity to learn and to contribute with your 2+ years experience as a frontend engineer.
University degree in Computer Science, Software Engineering or in a related field
Experience with mobile app development on Android and optionally on iOS.
Hands-on working experience with cross-platform app development using React Native.
Deep understanding of HTML, CSS, JavaScript/TypeScript.
Strong focus on performance, semantic markup, accessibility, and security.
Your written and spoken English is fluent, knowledge of German is a plus.

What we offer

High level of personal responsibility and creative freedom
Work on socially impactful projects in the healthcare sector
Collaboration with leading partners from research, technology, and healthcare
A diverse, interdisciplinary, and international team working across three locations (Potsdam, Berlin, and Singapore)
Flexible working models with the option to work from home
Permanent employment contract with 30 days of vacation
Attractive employee benefits, e.g. private supplementary health insurance, public transport ticket

Good to know:

We especially welcome applicants from the LGBTQI+ community, people with a migration background, people of color, and individuals with neurodiversity, disabilities, or chronic illnesses to the team.
If you need support or special assistance during the application or interview process due to a disability, please feel free to let us know and we are happy to accommodate you as much as possible.
Please enclose your complete documents (CV, letter of motivation, salary expectations and earliest possible starting date) with your application.
For this position it is important that you are able to regularly be present in our Berlin and sometimes in our Potsdam office.

We care about Diversity:
Many different lives, careers, and development paths lead to Data4Life. We welcome experts from a wide range of backgrounds and experiences to our international team, offering everyone equal opportunities to be themselves and develop to the best of their abilities. Diversity, equality, and inclusion are not just nice words at Data4Life – we put them into practice in all of our activities and projects, striving to incorporate them in our everyday lives. For this reason, we signed the Charta der Vielfalt (Diversity Charter) in 2022.

How to apply

Please apply online: https://data4life.jobs.personio.de/job/2527583?_pc=29100#apply

Facts

Number of employees

Category

Employee, Engineer

Location

Germany, Brandenburg, Potsdam, Germany, Berlin, Mitte

Area of responsibility

Engineering, IT, Software development, Healthcare

Start date (earliest)

Earliest possible

Duration

unlimited

Full/Part-time

40 hours/week

Remuneration

55k - 75k / year (depending on career level)

Remote work

Partially possible

Working language and expected level

English ( Business fluent )

Homepage

https://www.data4life.care/en/

Career website

https://www.data4life.care/de/jobs/

Social media links

Requirements

Field of study

Engineering, Computer science, Health sciences and public health

Computer skills

JavaScript / TypeScript, HTML, CSS, Kotlin

Contact

Contact email

[email protected]

Apply

Application deadline

17.06.2026

Application documents

CV, reference letter / transcript of record, GitHub

Online

https://data4life.jobs.personio.de/job/2527583?_pc=29100#...

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