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Senior React Developer (m/f/d)


Berlin, BE, DE Wildpoldsried, BY, DE Home Office, DE

Stellen-ID:  948

At the earliest date possible we are looking for support for our #teamsonnen

Clean and affordable energy for all is one of the greatest challenges of our time. Headquartered in the Bavarian energy village of Wildpoldsried, sonnen GmbH wants to enable all people to determine their own energy future. 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.

At sonnen, we are building the energy system of the future. An energy system in which electricity is clean and people are the focus. 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. This creates space for innovation, creativity, passion and personal development opportunities in a rapidly growing company.

About this role

We are looking for a Senior React Developer to join our Portal Apps team. In this exciting position, you will play a critical role in defining the architecture and implementation of our portals for customers and partners. In addition, you'll work closely with other tech teams and product management to build an outstanding user experience with a modern technology stack.


These technologies include but aren't limited to React, React Native, TypeScript, Docker and AWS. Furthermore, we work with tools like Datadog, Sentry, Firebase, Tableau, and Miro.


We work in cross-functional and self-organized Scrum teams in a DevOps setup, and we follow a "You build it – you run it" approach. We emphasize quality and apply code reviews, extreme programming methods, and test coverage tracking.


Because technology is constantly evolving, we invest in the growth of our teams and people. We provide access to learning tools and platforms, run pair-programming sessions and sponsor conference visits.


Your responsibilities

  • Conceptualization and software engineering of the sonnen Customer and/or Partner Portal

  • Deliver high-quality and well-tested products

  • Define and maintain technical quality standards and processes

  • Inspire and grow your team, and create a working atmosphere to excel and enjoy


Your profile

  • You have five years of experience in software engineering, of which at least three years of experience with modern front-end technologies

  • Excellent knowledge of React and React Native, Node.js

  • Experienced in designing scalable front-end architectures

  • Understanding of microservice patterns, security best practices and engineering methodologies

  • You have worked in bigger teams, and you have experience with version control systems and project management tools for software development  

  • You have excellent English language skills as well as a solid mastery of German


What we offer

  • An extensive remote work plan during and post-pandemic

  • The idyllic Allgäu and closeness to the mountains for outdoor activities 

  • A bright and spacious office in Berlin Kreuzberg

  • A motivating and international work atmosphere that reflects our values and focuses on employee well-being

  • A high degree of responsibility, innovation and independence 

What you can expect:

At sonnen you will experience an international environment in a fast-growing and innovative company in the renewable energy industry sector. Due to our young corporate culture and the short decision-making processes, you can really make a difference with us!

We offer an atmosphere of openness, tolerance and mutual respect. Join us and help us with our vision of clean and affordable energy for all. Share with us the passion for clean energy and new technologies.

Look forward to: Flexible work hours, up to 32 vacation days, yoga and fitness classes, company bike and more. If you want to learn more about our benefits, please take a closer look at: Our Benefits

Apply now!

sonnen - energy is yours!

Jobsegment: Developer, Testing, Information Technology, Programmer, Technology, Marketing