Intern Founders Associate Fintech Startup (100+m Exit Founders)

Firstlane Capital is the entrepreneurial family office of Achim Bönsch, Sebastian Seifert, and Andreas Veller all WHU alumni and proven serial entrepreneurs. Over the past decade, they built and scaled viafintech (Barzahlen) into Europe’s largest bank-independent payment infrastructure, leading to Germany’s largest FinTech exit in a nine-figure transaction to Paysafe in 2021.

At Firstlane Capital, we focus on building and backing category-defining ventures in FinTech, payments, and digital infrastructure. We don’t just invest – we build.

Our latest venture, finperks, is reinventing the prepaid economy through smarter rewards, cashbacks, and white-label employee benefits.

Founded and actively operated by Sebastian, Andreas ,and Achim , finperks brings together their deep FinTech expertise and proven track record in building scalable, high-impact ventures.

To support its rapid growth, we’re looking for a Founder Associate Intern to join the finperks founding team and experience firsthand what it means to build a high-growth startup directly alongside the founders themselves.

As a Founder Associate Intern, you’ll work directly with the founders across both Firstlane Capital and finperks, gaining deep insight into venture building, strategic execution, and startup operations.

You will:

• Analyze Markets & Business Models: Research market trends, analyze competitors, and identify new business opportunities in the FinTech and prepaid ecosystem.
• Drive Strategic Projects: Support initiatives across product development, go-to-market strategy, and partnerships that shape finperks’ growth.
• Build Operational Excellence: Help streamline processes and implement scalable tools to drive efficiency.
• Engage with Customers & Partners: Participate in conversations with major players such as N26, Trade Republic, Adidas, and Apple, helping refine our value proposition based on real-world insights.
• Gain Venture Building Exposure: Work closely with the Firstlane Capital team to understand how new ventures are ideated, validated, and scaled.

• Driven & Ambitious: You thrive in dynamic environments and love tackling new challenges.
• Analytical Mindset: Strong skills in PowerPoint and Excel, with the ability to distill complex problems into actionable insights.
• Tech-Savvy: You’re comfortable using AI tools and automations to optimize work.
• Strong Communicator: Excellent written and verbal communication skills in both German and English (German fluency required).
• Entrepreneurial Spirit: You’re excited by the idea of building something from scratch and are comfortable navigating uncertainty.

Bonus: Previous experience in startups, consulting, or FinTech.

• Mentorship from Proven Entrepreneurs: Work side by side with founders who built and exited one of Germany’s most successful FinTech companies.
• Hands-On Venture Experience: Learn what it takes to build, launch, and scale a startup — from strategy to execution.
• Deep Ecosystem Access: Immerse yourself in Berlin’s startup and venture capital scene while expanding your network.
• Dual Perspective: Experience both the operational side of finperks and the investment lens of Firstlane Capital.
• Meaningful Impact: Contribute to building a FinTech venture that’s redefining the global prepaid economy.

Ready to build the next Unicorn in FinTech?

Join us at finperks and help us financially empower people across Europe. If you're excited about the opportunity to learn from experienced entrepreneurs while making real impact, we want to hear from you!

finperks is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.