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

Permanent Employment, Full-time · München

Your Tasks

  • The Sono app will become a basic foundation of our vision: “Sustainable. Mobility. For Everyone.” You design, develop, and optimize this app - the primary customer touchpoint for mobility services in the Sion.
  • You will develop the mobile app applying best practices, including test automation on unit and integration level, as well as the setup of continuous integration and delivery pipelines.
  • You select optimal technologies to communicate between the app and backend and design APIswith the team.
  • You like to challenge and improve your neighboring fields, including user experience, design, and backend development.
  • Close collaboration with various stakeholders of the product is part of your job. Together with design, UX, product development, Sion development, and backend engineering, you create a user-friendly, customer-focused, and functional product.

Our Requirements

  • You have at least 3 years of experience in developing mobile apps, and you know about best practices regarding UX, internet protocols, networking, and automated testing.
  • We expect proven expertise in the development and technical implementation of mobile apps and a strong affinity to clean code as well as a clear picture of sustainable API design. Currently, we develop our mobile app in React Native. Knowledge of TypeScript is a plus.
  • We seek T-shaped people with broad, basic knowledge of all parts in a cloud-native software stack. Additionally, we value your interest in the full range of activities required to shape a great product.
  • You share our passion for technology and excellent products.
  • You go with the tool that serves the job instead of being dogmatic about technology choices, and you're not hesitating to learn or try something new.
  • You have experience working in a team with agile methodologies, like Scrum and Kanban. Experience working in a remote team is a plus.
  • English is a must, German a plus.

What to expect

  • You will be part of our Sono Digital team, which is an experienced, dynamic group with agility in their DNA and the conviction to be part of the solution for a future where mobility can be sustainable.
  • As a learning team, we foster an open learning culture where it is allowed to make mistakes, to ask any question, to actively search for ways to improve for the customer, the team, and yourself. You embrace these values and are excited to join our journey.
  • Sono Motors values your lifestyle choices. Our Sono Digital team is headquartered in Munich. We believe it to be valuable being able meet in-person to workshop or lead larger discussions, most of the productive work can be done in a remote setup, though. Communication is the key here. We support part-time work of at least 30 hours as well, and hope to be able to provide a sustainable working place that matches your private needs.
  • 30 days yearly vacation and flexible working hours.
  • Sustainable corporate benefits to choose from via futurebens.
  • A vegan and organic catering. It may be ordered on a daily basis at a fair price.


As you apply for this role, we would like to give you some insights into our company culture and organization. At Sono Motors, we replace the traditional employer-employee relationship with a partnership at eye level.  When people transition from large organizations to Sono, we sometimes hear that they miss certain services, support, and infrastructure. We invite you to address these gaps with us. We see you as a creator of our company, not someone who only shows up to do their job. At Sono Motors, you take matters into your own hands, and you will achieve the desired impact. Our founders and CEOs will work alongside you, and together with the entire Sono team, you will lead our organization. We expect you to take the initiative, contribute to our organizational development, accept imperfection, and communicate transparently. We call this #staysono; this is our culture.