(Senior) Full Stack Engineer

Finto is on a mission to reinvent how enterprises run their finance operations. Starting with AI-powered automation for accounts payable, we eliminate manual invoice handling, supplier chasing, 3-Way-Matching and ERP data entry. Backed by Y Combinator, we’re building the future of enterprise accounting.

Our mission is to free the world’s finance teams from repetitive, low-value tasks so they can focus on impactful work. That starts with building a place where everyone can do their best work. Whether you’re building on our platform, partnering with our customers, or shaping our story: We just make things finance teams want.

We are looking for a (Senior) Fullstack Engineer to join our team, focused on building and optimizing the next generation of AI-powered enterprise finance tools. As part of the founding engineering team, you will play a pivotal role in shaping our platform and helping some of the world’s largest companies eliminate their manual accounting work.

You’ll work side-by-side with our founders to turn ideas into high-performing, elegant features that slot seamlessly into our customers’ existing processes. Your work will directly define how finance teams experience AI automation - in real life, at scale.

We’re headquartered in Munich, with roots in San Francisco through Y Combinator.

• Build and enhance AI-powered automation tools for invoice processing, ERP integration, and complete accounting workflows.

• Architect performant, scalable, and reliable solutions for mission-critical finance operations.

• Optimize and refine AI models for accuracy, speed, and usability in real-world scenarios.

• Deliver exceptional user experiences through thoughtful UI/UX design, using frameworks like React, Node.

• Stay ahead of emerging trends in AI, Web, ERP technology, and automation - and bring the best of them into our platform.

• Troubleshoot and resolve complex challenges, ensuring our AI-powered workflows run reliably at scale.

• 3–5+ years in full-stack development, ideally building AI-powered or enterprise-focused products.

• Strong JavaScript/TypeScript skills with experience in React and Next.js.

• Backend expertise in Node.js or comparable languages like Python or Go, with a focus on scalable APIs and AI-driven services.

• Hands-on experience with AI models and APIs

• A builder’s mindset - passionate about developer experience and how AI can enhance productivity.

• Excellent problem-solving and communication skills in fast-moving, collaborative environments.

• Career-defining growth: Big ambitions mean rapid progression, expanding responsibilities, and access to our San Francisco & YC network.

• Competitive pay & meaningful equity: Share in the upside of a YC-backed, fast-scaling company.

• 25 vacation days + 2 fixed “company recharge days.”

• Twice-yearly team offsites and hacker weeks in Europe or San Francisco.

1. Intro Call – 30 mins with a founder

2. Deep Dive – 45 mins on product & tech fit

3. Technical Interview – 60 mins coding & design challenge

4. Onsite Co-Work – Build and ship a real feature with us in Munich

5. Offer