Finance Manager (all genders)

Permanent employee, Full-time · Hamburg

Your mission
As the Finance Manager at Impossible Founders gGmbH, you’ll take ownership of our financial reporting, controlling, and planning. You’ll be a strategic partner to the CFO and the key interface between the Finance Lead and bookkeeping, build and operate our finance structures, and ensure that our organization and stakeholders are provided with sound financial insights. We’re looking for someone who combines analytical strength, structure, and a startup mindset.

Reporting & Performance Steering
  • Manage and continuously improve our lean, effective reporting system (dashboards, KPIs, and performance tracking).
  • Prepare decision-ready analyses and presentations for the CFO, advisory board, and external partners.
Controlling, Planning & Financial Models
  • Operate and evolve our finance and controlling systems and processes.
  • Maintain and develop financial models for forecasting and budgeting across projects and ventures.
  • Document and control key venture and participation KPIs.
Accounting & Compliance Operations
  • Manage and control our bookkeeping (debtors, creditors, expense management, assets, payroll, VAT declarations, etc.).
  • Coordinate and manage external service providers (accounting, payroll, tax advisors, auditors).
Your profile
You’ll thrive here if you like taking real ownership, building smart financial structures, and translating numbers into clear, confident decisions. We’re a small, mission-driven team, so your work will directly shape what we do next.

What matters most to us
  • 2+ years of experience in finance, financial and/or operational controlling, and bookkeeping — ideally in a startup or innovation-driven environment.
  • Solid knowledge of accounting according to German GAAP (HGB); nonprofit experience is a plus (e.g., DATEV SKR42).
  • Confident handling of day-to-day finance operations and external partners (accounting, payroll, tax, audit).
  • You're analytical, structured, proactive — and you enjoy creating clarity in complexity
  • Strong Excel skills and a digital-first mindset; you like working with modern reporting tools.
  • You take initiative and enjoy working in a purpose-driven, entrepreneurial environment with real creative freedom.
  • You communicate confidently in German and English.
Additionally it would be a plus if you bring
  • Experience with the technical side of controlling and agentic AI (e.g., setting up BI reports, automations, or API interfaces).
  • Familiarity with the realities of public vs. private funding and nonprofit regulations.

Why us?
At Impossible Founders, the people behind the impossible are the most important catalyst. That's why we do everything we can to create a collaborative working environment:
  • Responsibility & autonomy: You take on real responsibility from day one and have the freedom to actively shape your role and the company. Output counts, and you are given the freedom you need to do your job in the best possible way.
  • Flexible & family-friendly working: We offer a high degree of flexibility. We meet in the office on Mondays, and on other days attendance is optional with the option to work remotely. This includes our understanding of the needs within a family.
  • Meaningful mission & impact: You will work on projects that address real challenges in AI, climate tech, and beyond. You will achieve impact and visibility by working closely with founders, researchers, and leading partners.
  • Collaborative culture & diversity: We cultivate a collaborative culture—practical, ego-free, and driven by shared responsibility. Our team is characterized by diversity and openness. The company language is English so that everyone feels welcome.
  • Personal growth: We support your development through rapid learning cycles, regular feedback, and a budget for your professional development.
Attractive working conditions:
  • 30 days of vacation
  • Deutschlandticket
  • Central office in a prime location
  • Choice of your own hardware
About us

Impossible Founders is one of Germany’s boldest DeepTech startup factories. Our mission: turning groundbreaking technologies into real companies – with the potential to change the world. We collaborate with leading scientists, fearless founders, and renowned institutions. Our ventures emerge in future-focused fields like Artificial Intelligence, Quantum Technology, advanced materials, and Green Tech.

If you’re ready to make the seemingly impossible possible, you’re in the right place.

We welcome applications from all talented individuals, regardless of gender, age, sexual orientation, ethnicity, cultural background, or abilities. Diversity makes our team stronger!

https://www.impossible-founders.com/
Your application!
We appreciate your interest in Demo GmbH. Please fill in the following short form. Should you have any difficulties in uploading your files, please contact us by mail at lena@impossible-founders.com.
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