Fullstack Developer (Frontend-Focused) - Base44

At Base44, we're looking for a talented  Fullstack Developer  to join our mission to change how products get built. You'll be a key player in a fast-moving, collaborative team, taking full ownership of features from polished user interfaces all the way down to the APIs that power them. If you're a passionate engineer who loves solving hard problems with clean, elegant code and building delightful user experiences, we want to hear from you. TL;DR We are looking for a  Fullstack Developer with deep frontend experience  to build end-to-end features on our AI platform.  You should be passionate about using AI to innovate both our product and your own development process.  The role includes working in a  startup-mode environment .   What You'll Do Own end-to-end features, designing and building  scalable, high-quality frontends  and the backend services that support them. Tackle tough technical challenges with creative and efficient solutions, working on a  cutting-edge, AI-powered platform. Push your code to millions of users, creating fast, beautiful, and intuitive interfaces that make a tangible impact every day. Champion  clean architecture, maintainable UI components, and performance optimization . Grow your expertise by learning from top-notch engineers and expanding your skills across both frontend and backend domains. Influence our engineering culture by contributing to internal knowledge sharing and, if you're interested, the open-source community An experienced Fullstack Developer with a minimum of 5 years of professional experience and a strong desire to build complete, end-to-end products. You have  deep expertise in modern frontend frameworks  such as  React  (and TypeScript, CSS-in-JS, or component-driven architectures). You’re comfortable working with backend technologies like  Python, Java, NodeJS , and understand how to build APIs that power great UIs. You're passionate about using  AI tools  to build the product and improve the way we work. Familiar with AI infrastructure and concepts (e.g., RAG, Tools, MCP). A proactive and collaborative team player with strong reasoning and communication skills. You can effectively share your ideas while respecting others' approaches. Focused on writing c lean, simple, and maintainable code . You have a keen eye for design details, performance, and user experience. You're able to quickly grasp large, complex systems and understand how frontend and backend parts connect. Well-versed in  software engineering best practices , including testing, code reviews, and identifying anti-patterns. Comfortable working in a production environment and skilled in debugging complex frontend or fullstack issues. We’re Base44, a newly acquired part of Wix, on a mission to change how products and apps get built. Our AI-powered platform allows anyone to create custom applications using natural language—no traditional coding required. We operate like a startup within Wix: fast-moving, collaborative, and focused on solving complex problems with simple, elegant solutions. We’re here for anyone who wants to build: creators, solo founders, startups, entrepreneurs, side hustlers, and everyone in between. Whether you're launching a product, validating a concept, or chasing a hunch, Base44 gives you the power to make it real.