Reonic
Greentech
SoftwareEngineeringIntern(SaaS,Greentech)(m/f/d)
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“Software Engineering Intern (SaaS, Greentech) (m/f/d) at Reonic. Develop product features. Turn workflows into user experiences”
What You'll Achieve.
Ship real features; See code in production; Make an impact
Industry & Context.
Solve real problems; Solving problems
What They're Looking For.
Must Have
Studying Computer Science, Software Engineering, or related field
Nice to Have
Previous startup experience
What You'll Do.
Develop product features
Turn workflows into user experiences
Work on AI-powered workflows
Contribute to backend services
Contribute to internal tooling
Debug production systems
Improve production systems
Optimize production systems
How You'll Work.
Team & Collaboration
Product and design teams
Full Job Description
Build the Operating System of the Energy Transition Most internships have you sitting in meetings, fixing small bugs, and watching others build. This one doesn't. At Reonic, you'll work on software used by thousands of renewable energy companies across Europe. You'll ship real features, solve real problems, and see your code in production within days. We're building the AI-native operating system for renewable installers. And we're looking for ambitious builders who want to learn fast, take ownership, and make an impact from day one. This is a full-time, on-site internship based in Berlin. What makes this internship different - Your work directly impacts how renewable energy gets deployed - You'll ship production code used by real customers - You'll work closely with experienced engineers, product managers, and founders - You'll own projects instead of shadowing others - You'll see the full lifecycle: idea → implementation → customer feedback - No busy work. No "intern projects" disconnected from reality. Just building, learning, and shipping. What you'll build - Develop product features across our React, TypeScript, and Node.js stack - Turn complex business workflows into simple and intuitive user experiences - Work on AI-powered workflows that help installers sell and deliver renewable energy projects faster - Contribute to backend services, APIs, and internal tooling - Debug, improve, and optimize production systems - Collaborate closely with product and design to bring ideas to life And if you're eager to go deeper: - Work with databases and PostgreSQL - Learn about system architecture and scalability - Explore AI integrations and automation workflows - Take ownership of larger features end-to-end This is not a typical internship. It's a playground for builders. You'll thrive here if you... - Love building things and seeing them used by real people - Are curious and learn quickly - Prefer ownership over detailed instructions - Enjoy solving problems, not just wr
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