React JS Engineer (m/w/d)

Job Description

Clean and affordable energy for all is one of the greatest challenges of our time. Sonnen has been committed to this mission since 2010 and is now represented in Europe, the USA and Australia with over 1,000 team members globally. In Germany, our offices are located in the beautiful Wildpoldsried (Allgäu) and the vibrating heart of Berlin Kreuzberg.

At sonnen, we are building the energy system of the future. To this end, we are developing new technologies and business models that have not existed before. Whether intelligent power storage, virtual power plants or digital services - we set the trends of a new energy world. That means, among other things, the inexpensive production and storage of renewable energy and the intelligent networking of producers and consumers. sonnen thereby gives people around the world the opportunity to become independent of fossil fuels and conventional energy supplier.

We are growing steadily and are looking for people who want to join us in our vision of clean and affordable energy for all while making a positive impact on climate change.

Who Are We Looking For?

We are seeking a passionate and skilled React 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 help drive the energy transition

• Develop top-notch customer experiences for sonnen’s mobile and web applications.
• Write reusable, clean, and scalable code to create interchangeable frontend modules.
• Design and develop new applications from architecture to UI components.
• Improve performance and scalability of existing frontends.
• Foster collaboration between your team and other teams to ensure cohesive and efficient project development.

What you will need on that journey

• Proven track record of developing products with TypeScript, React, Redux, plus experience in event-driven, functional, and reactive programming and proficiency with front-end build tools like Webpack and Babel.
• Strong understanding of client and server-side rendering (CSR, SSR), DOM, CSSOM, mobile hybrid technologies, and micro-frontends.
• Comprehensive knowledge of the complete mobile app development lifecycle, including building using Webpack, GitLab or GitHub.
• Commitment to writing clean code and familiarity with type checking, unit testing, and prop types.
• Experience with testing frameworks and libraries such as Jest and React Testing Library, with strong debugging and troubleshooting skills.
• Ability to comfortably express your ideas and arguments in good spoken and written English.