Product Engineer Intern

About FintoFinto 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.About the roleWe are looking for a Product Engineer Intern to join our team, focused on building and optimizing the next generation of AI-powered enterprise finance tools. As part of the engineering team, you will play a central role in shaping dedicated features and helping some of the world’s largest companies eliminate their manual accounting work.You’ll work side-by-side with our founders and engineers 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.What you’ll doTake ownership of a defined feature area or technical project, working closely with founders and engineers from discovery to delivery.Help improve model performance and workflow quality by testing, evaluating results, and iterating on prompts/data/logic.Contribute to frontend and backend development (React, Node) to deliver smooth, reliable user experiences.Assist with debugging, monitoring, and improving reliability of AI-powered workflows in real-world customer scenarios.What we’re looking forCurrently pursuing (or recently completed) a degree in Computer Science, Engineering, or a related field, with strong academic performance.Solid 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.Exposure to AI models and APIs (e.g., LLMs), and excitement to experiment, evaluate, and integrate them into real products.A builder’s mindset - enjoys shipping and learning quicklyStructured problem-solver with clear communication skills, comfortable working closely with founders in a fast-moving environment.Work at FintoAn environment where we enable you to have an impact and where we focus on outcomes, not time-trackingCareer-defining growth: Big ambitions mean rapid progression, expanding responsibilities, and access to our San Francisco & YC network.Shape your future job: You got a chance to build your own job entry25 vacation days + 2 fixed “company recharge days.”A vibrant in-office culture (5 days/week) in a modern officeInterview ProcessIntro – 20 mins with our CEOTechnical Interview – 20 mins with our CTOChallenge – 60 mins coding & design challengeOffer