Intern Finance - B2B-SaaS (m/f/d)
Required skills
Job description
Reonic published this listing. We've added our own working-student context below — what this role means for your weekly hours, take-home pay and student visa as a student in Berlin, Germany.
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Description provided by Reonic
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
- 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
- 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
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!
Working student essentials
What this Finance internship in Berlin means for you — pay rules, social contributions, and what international students should check before applying.
Weekly hours
Internships have no 20-hour cap, but a voluntary internship longer than three months generally has to pay at least the German minimum wage. Mandatory internships in your study programme are exempt.
Working student rulesSocial contributions
Mandatory internships are largely exempt from social contributions. Voluntary internships are treated like regular employment once they run long enough, so contributions usually apply.
Check your insuranceInternational students
Non-EU students can work 140 full or 280 half days per year (raised from 120/240 in March 2024). A working student contract usually fits within this — confirm the exact limits printed on your residence permit.
Studying in Germany
