Are you eager to become the financial brain of one of Europe’s fastest-growing renewable energy startups?

Do you thrive in dynamic environments where you can drive impact, spot opportunities, and implement innovative solutions? If you're passionate about KPIs, accounting, and sustainability – this role is for you!

Please note that this is a full-time, 4-6 month internship, on-site position in Berlin.

Your Role at Reonic

As our Finance Intern, you will be working closely with our Finance team to turn data into actionable insights and ensure our business KPIs stay on track for growth.

What You’ll Do

Get hands-on with financial forecasting and KPI reporting to help shape how we plan and grow
Support month end closing processes and bookkeeping
Support invoice management and collections to keep cash flowing
Assist in preparing annual financial statements and work closely with external partners
Liaise with tax advisors on international tax topics and learn how finance works across countries
Take ownership of data cleaning and provide cross-departmental support
Be hands-on with financial systems, this role can be as technical as you make it

What Makes You a Great Fit

You’re currently studying Finance, Accounting, or something similar
You have a can-do, roll-up-your-sleeves attitude
You take ownership, think proactively, and aren’t afraid to ask questions
Tech-savvy and curious – eager to understand systems and extract KPIs
Structured, proactive, and comfortable in fast-paced environments
Ideally start as soon as possible
Located in Berlin - relocation support provided

Why Join Us?

Be part of a fast-growing VC-backed startup with a mission-driven approach
Work across multiple areas and develop skills beyond finance
Direct influence on scaling a company globally
Freedom to experiment & bring your ideas to life in a small, creative team
Real ownership & responsibility from day one
Perks like gym membership, coffee & drinks, team events, MacBook & more
Make a tangible impact in the renewable energy sector

Even if you don’t meet every requirement, we encourage you to apply! Imposter syndrome shouldn't hold you back—we value talent and passion above all.

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 growing fast—and we need creative minds to help drive impact.

🔗 Ready to shape the future of renewable energy? Apply now!

Intern Finance - B2B-SaaS (m/f/d)