Software Engineer - Fullstack Junior to Mid Level (m/f/d)

Are you passionate about software development AND renewable energy?

Do you thrive in fast-paced, hard-working and purpose-driven environments? If you're ready to take ownership and to use your skills to contribute across our feature rich frontend that changes the world for the better, then look no further - we want YOU!

About Reonic 🌱

At Reonic, we’re on a mission to simplify renewable technology with our B2B SaaS solutions for solar, storage, and heat pumps. Backed by top-tier investors and trusted by 1,600+ business customers, we’re looking to extend our engineering team with a Fullstack Developer.

What you will do ✨

• 🧩 Contribute to Frontend Development: Work on our B2B SaaS products primarily contributing across our feature rich frontends.

• 🎨 Create Beautiful Interfaces: Build intuitive, responsive components using React, TypeScript, and Tailwind CSS on the frontend.

• 🌍 Deliver World-Class UX: Participate in the creation of world class User Experiences for our market.

• 🤝 Collaborate with Product & Design: Contribute to the overall look and feel of the web application alongside Product and Design team.

• 🔧 (Optional) Broaden Your Scope
  Depending on your interests and experience, there’s room to get involved with:

  • Node.js backends

  • Database design and queries (especially SQL and a tiny bonus if you love PostgreSQL!)

  • Integrating with Prisma ORM

  • Or even dabbling in Rust (not required, but a huge bonus if you’re curious)

  • Familiarity with GraphQL is considered to be a big plus!

What Makes You a Great Fit ✅

• 💻 Hands-On Experience: 1+ year of software development, ideally in a startup or product-driven environment

• 🌱 Passion for Renewables: Genuine interest renewable energy (we ask for context here)

• 🚀 Self-Starter Energy: Self-starter mindset to be responsible for your own learning

• 🧠 Ownership: We're a small team, so everyone has to be an owner. Taking accountability and ownership is baked into our DNA.

• 🔥 Drive: We value conscientious people, we work hard and we play hard.

• 💡 Product mindset: You enjoy delighting your customer.

• 🌈 Bonus Point: Side projects, OSS or notable achievements outside of "work"

Why Join Us?

• 🚀 A pivotal role in a fast-growing VC-backed startup building a product already loved by 1600+ paying B2B customers

• 🌍 Be part of a fast-growing company that’s making a tangible impact in the renewable energy sector

• 🧩 Nothing is set in stone - You get to shape your workplace

• 📚 Learning new things is part of your job

• 💰A competitive salary package

• 🏋️‍♂️ Perks include gym membership subsidy, coffee, regular team events & more

Location 📍
This is a full-time, in-office position. Our office is located at Alexanderplatz, Berlin.

🔗 Ready to shape the future of renewable energy? Apply now!
If you're a talented, ambitious Frontend Engineer with a passion for clean energy, we want to hear from you!