Standort

Cairo, EG

Stellen-ID: 5306

Join the energy revolution with #teamsonnen!

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!

What you will do to help drive the energy transition:

• Participate in the entire development process, including refinements, code reviews, tests, deployment and monitoring on production.
• Maintain and extend our Ruby on Rails based services.
• Implement user friendly frontends using modern technologies including Hotwire.
• Build and maintain GraphQL interfaces and RESTful endpoints (JSON:API).
• Convert acceptance criteria into test cases written in RSpec framework.
• Write new and update existing documentation entries.
• Contribute to the implementation of micro-services.
• Push and follow up on builds and deploys, using CI/CD pipeline tools.
• Collaborate with a development team on the planning and implementation of tasks, troubleshoot of issues, and refactoring.
• Interpretate log messages and mitigate errors coming from our monitoring tools.
• Collaborate closely with cross-functional teams in an Agile development environment, familiar with a Software Delivery Lifecycle following Scrum practices.
  
  

What You Will Need On That Journey

• 2+ years of full-stack experience with Ruby on Rails, RSpec and GraphQL
• Proficiency with CI/CD processes (GitLab/GitHub), backend infrastructure (AWS) and monitoring tools (Datadog).
• You are keen on following architectural paradigms & object-oriented patterns.
• You are open-minded to follow instructions from other senior developers.
• You are outspoken and see feedback exchange as a normal part of your everyday work.
• You comfortably express your ideas and arguments in good spoken and written English.
  
  

Stellensegment: Ruby on Rails, Testing, Technology

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