Senior Mobile Developer (f/m/d) (Android)

Permanent employee, Full-time · München

About us

ThinxNet is a fast-growing IoT/FinTech start-up from Munich. ryd receives strategic and financial support from three internationally active global companies from the automotive engineering, payment services and insurance sectors.

Founded in 2014, we are literally getting the digital future on the road. ryd pay is the largest cross-brand solution for mobile payment directly at the gas pump. We challenge established (payment) behavior and use cutting edge technology to revolutionize the payment process at the gas station. In combination with the innovative features of our ryd box, we transform every car into a ConnectedCar and make every trip better, whether it be individual customers, connected corporate fleets, or as telematics solutions for insurance partners.

Currently ryd is available in Germany, Austria and Switzerland. For our European roll-out we are looking for motivated new employees like you to join and support our team.

Your tasks
  • Design and build beautiful stable and maintainable Android apps
  • Collaborate with cross-functional team to define, plan, design and ship new features
  • Unit test your code for robustness when applicable and end to end test, including edge cases, usability, and general reliability
  • Continuously discover, evaluate, learn and implement new technologies to maximize development efficiency and improve the product
Your Qualifications
  • Full stack Android development skills covering all layers (network, data, storage, logic, UI)
  • Experience working with Kotlin. We write all new code in Kotlin and translate legacy Java code to Kotlin.
  • Experience working with remote data via REST and JSON.
  • Working knowledge of the general Android landscape, different architectures, trends, libraries and emerging technologies
  • Strong skills in navigating in big code bases, analysing and refactoring legacy code.
  • Application security concepts and best-practices as well as a solid Computer Science background
  • Have published at least one native Android app on Google Play
  • Communication skills, verbally and written English (or German)
  • Strong self management skills. We will not micromanage you.
  • You get stuff done. We are looking for someone we can trust to do a good job without much hand holding
What we offer
  • Learn from our experienced team, investors and advisors
  • Freedom to learn and implement with new technologies.
  • Attractive role as a Software-Engineer in the design and development of our native apps
  • Competitive salary
  • Unlimited work contract
  • Great workplace
  • No politics, quick decisions in a well-funded start-up
  • Regular team events
  • Professional development opportunities
Ready to revolutionize the automotive industry?
Then submit your CV and a short note why and when you want to join us. If you have any questions, feel free to give us a call or just stop by at our office. We really look forward to getting to know you!
Féride Hugenschmidt
HR Management

ThinxNet GmbH | Blutenburgstr. 18 | 80636 München | Tel.: +49 89 4520663-0 | |

We care about your privacy! Please rest assured that we will handle your submitted data with care and according to up-to-date data protection laws. For more information, please visit: Datenschutzerklärung ThinxNet

Special Instructions for Headhunters (only):
  • This is a permanent position - no freelancers are currently considered.
  • Please carefully read the job description - there is no need to call.
  • Please send the matching CVs to the relevant job advertisement.
  • We are happy to review anonymized CVs - we will get back to you if the CV is interesting. If not then please do not expect an answer.
  • Please only send CVs which match the job description. If a job is not posted here, then there is no need to send a CV.
  • If you are not a headhunter and happen to read this, but rather look for a job, then please ignore the above lines: we are happy to receive your call and we will for sure provide feedback on your application :-)

Your application

Thank you for considering a career at ThinxNet GmbH. Please fill out the following form. In case you are experiencing problems with the document upload, mail your documents to

Please upload any documents that you want to include with your application. CV and cover letter are required, and you should also attach copies of your references and certificates.
In order to upload multiple files, please select them in one go by using the CTRL key on Windows or the CMD key on Mac.