React Native Engineer (m/w/d)
sonnen
Company Overview
sonnen GmbH
Berlin, Germany
2010
Business Model
Energy Storage and Renewable Energy
Development and manufacturing of smart energy storage systems and solutions for residential and commercial use.
Sales of energy storage systems, energy management software, and energy services.
Locations & Geography
Germany, United States, Australia, Austria, Switzerland
Company Culture
Their mission is to create a sustainable energy future by empowering individuals and communities to produce, store, and manage their own energy.
They promote a collaborative and innovative work environment that encourages creativity and teamwork.
They offer various training programs and opportunities for professional growth.
Activities & Projects
They are currently involved in projects aimed at expanding their energy storage solutions across Europe and North America.
They have developed the sonnenBatterie, a smart energy storage system that integrates with solar energy systems.
They focus on sustainable manufacturing processes and promote the use of renewable energy sources.
Career Opportunities
Typical job openings include roles in engineering, sales, and project management.
They offer competitive salaries, flexible working hours, and opportunities for remote work.
Contact Information
Last updated on 2025-03-27 | Report an issue
Job Description
At sonnen, we're driven by a clear goal: creating a future powered by clean, affordable energy for everyone. That's why we make our customers independent - not only from fossil fuels, but also from rising electricity costs.
The key to this independence is our intelligent, all-in-one energy system. It combines solar panels, battery storage, energy tariffs, and wallboxes - all developed and manufactured in Germany.
As the first and only provider in Germany, we also connect thousands of home batteries into one shared network: the sonnenVPP, our industry-leading virtual power plant.
In short: every day, we're working to shape the energy future. And we'd be thrilled to have you join us!
Who are we looking for?
We are seeking a talented and enthusiastic React Native Developer to join our agile, cross-functional team. You will play a crucial role in driving the digitalization of the energy industry. If you are passionate about creating exceptional digital experiences and thrive in a collaborative, innovative environment, we want to hear from you!
What you will do to drive the energy transition
- Participate in the entire development process, including refinements, code reviews, tests, deployment and monitoring on production.
- Engineer high-quality mobile apps for iOS and Android, focusing on robust architecture and superior performance.
- Deliver well-tested, reliable products that meet our quality standards.
- Inspire and mentor your team, fostering an environment of excellence and enjoyment.
- Collaborate with cross-functional teams in a DevOps setup, adhering to our "You build it - you run it" philosophy.
What you will need on that journey
- At least five years of experience as a mobile app developer.
- At least three years of experience in different test automation strategies using test frameworks like Testing Library or Appium.
- Excellent knowledge of React Native, Typescript and GraphQL, with a solid understanding of Swift and Android Java / Kotlin.
- Strong understanding of security best practices and modern engineering methodologies.
- Commitment to quality, with experience in code reviews, extreme programming methods, and test coverage tracking.
- Experience with AWS, Fastlane, Sentry, LaunchDarkly and Firebase is a plus.
- Ability to comfortably express your ideas and arguments in good spoken and written English.
You feel we are a match? Apply now and help us to shape the energy transition together. We look forward to welcoming you to #teamsonnen!
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About the role
December 2, 2025
Full Time
Company
December 2, 2025
On-site
- Cairo, Egypt
5+ years in mobile app development
UTC+02:00
Apply now
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