Senior Full-stack Engineer Location : Remote Job Type : Full-time Help us reinvent the CFO At Nume, we’re pioneering the world’s first AI CFO. Not a chatbot or a dashboard, but a proactive thought partner that founders can trust with real financial decisions. Ultimately, a solution that will change financial management for SMEs forever and unlock financial literacy at scale by building the most trusted financial brain for the next generation of businesses. If you're excited to help invent a new category of AI, build one of the biggest new categories in fintech and change how millions of companies understand their finances, we’d love to talk. Role Overview: We're seeking an experienced Full Stack Engineer who excels at building and deploying SaaS products using data and analytics. You'll help us develop our comprehensive platform while contributing to our AI architecture - a state-of-the-art, autonomous and goal-driven system. You'll bring deep full-stack expertise and help us accelerate development across our entire technology stack. Key Responsibilities: Build and enhance our application Develop robust front-end interfaces and back-end services Design and implement scalable database systems and APIs Build and enhance our AI agents Optimize application performance and ensure system reliability Collaborate with product and engineering teams to deliver end-to-end solutions Architect systems that will serve thousands of users Support AI system integration and contribute to prompt engineering efforts Required Qualifications: 5 years developing full-stack software applications Expert-level Python skills Strong experience with modern web frameworks (FastAPI, Django, Flask) Proficiency in frontend technologies (React, TypeScript, JavaScript) Experience with databases (PostgreSQL, MongoDB) and data processing Track record of shipping reliable, scalable applications to production Proven problem-solving abilities and analytical thinking Experience with cloud platforms (AWS, GCP, Azure) Valuable Additional Skills: Experience with data analytics and visualization tools Familiarity with vector databases and AI/ML integration Experience with LLM orchestration frameworks (LangChain, LangGraph, etc.) Financial domain knowledge or fintech experience Experience with API design and microservices architecture Background in data engineering or ETL processes Knowledge of monitoring, logging, and performance optimization Understanding of agent architectures and AI system integration Knowledge of containerization and deployment (Docker, Kubernetes) Why you? You dream big You live to solve problems! You're passionate about building comprehensive, user-focused solutions You want to work with cutting-edge technology including AI You want to be part of a highly skilled and passionate team striving to create an amazing product that will change the world You are always acting professional and dedicated Benefits: Competitive compensation including equity Remote-native environment Impact & ownership as a core team member Career growth in a fast-scaling startup About Nume & Scaleup Finance Founded in 2021 by 6 serial entrepreneurs, we’ve managed to scale our unique CFO-as-a-Service (techservice solution) to more than €5m ARR and raising Denmark’s biggest seed round in the process. Today we are 60 people spread across our offices in Copenhagen, London and remote. We’ve spent the last four years working closely with hundreds of startups and scaleups as their trusted financial partner, delivering CFO-as-a-Service through our SaaS financial management platform and real CFOs. We’ve built deep expertise in what founders struggle with: not just understanding their numbers, but acting on them with clarity and confidence. That journey led us to create Nume, the world’s first AI CFO. Nume is currently in private beta and we are gearing up for a major public launch in August that aims to set a new benchmark for AI product rollouts Built on years of real-world financial experience, Nume combines advanced AI with financial intelligence to bring the power of a CFO to every founder’s fingertips. From our roots as a CFO-as-a-Service business to our transition into an AI-first company, our mission has stayed the same: to help founders and small companies never worry about finance again. We’re backed by top-tier investors, featured on Sifted’s list of Europe’s fastest-growing startups, and scaling fast. If you want to shape the future of financial decision-making, this is the place.