### **Full Stack Engineer (Frontend\-Leaning)** **Contractor (Long\-term)** – **Buenos Aires (Hybrid)** **About the Company** --------------------- Our client is an early\-stage startup building an **AI Project Manager Agent** that helps startups execute tasks 10x faster by combining AI tools with trusted human experts. They operate with small, fast\-moving teams based in Austin and Buenos Aires, focused on making operations faster, smarter, and more efficient through human–AI collaboration. **About the Role** ------------------ We are seeking a **Semi\-Senior to Senior Full Stack Engineer (frontend\-leaning)** to join the product team and help enhance the experience, performance, and reliability of the platform. This role is ideal for someone who enjoys building polished, intuitive interfaces, shipping fast, and collaborating closely with design and operations. You will play a key role in React development, UI quality, Figma\-to\-code execution, bug fixing, and implementing user\-driven product improvements. **Responsibilities** -------------------- * Implement UI enhancements and product updates alongside the design team. * Fix bugs, troubleshoot issues, and manage feature requests across the stack. * Build responsive, high\-quality front\-end experiences using React and TypeScript. * Translate Figma designs into polished, production\-ready components. * Improve UX flows, visual consistency, and overall product quality. * Use AI\-powered development tools (Cursor, Windsurf, Copilot, etc.) to accelerate delivery. * Participate in discussions regarding architecture, design quality, and product improvements. **Requirements** ---------------- * Strong hands\-on experience with **React, TypeScript, and Node.js** . * Proven experience shipping real products used by real users. * Excellent UI implementation skills and responsive design knowledge. * Ability to translate Figma or design specs into high\-quality frontend code. * Strong debugging and problem\-solving capabilities. * Comfortable working in small, fast\-paced startup environments. * **Advanced English level (written and spoken)** is required. * **Seniority:** **Semi\-Senior to Senior** . **Nice to Have** ---------------- * Experience with PostgreSQL or similar databases. * Familiarity with Next.js or other modern frontend frameworks. * **AI\-first mindset** — experience using tools like Cursor, Copilot, Windsurf, etc. * Previous experience in early\-stage startups. * Understanding of APIs, integrations, and modern product workflows **Work Setup** -------------- * Based in **Buenos Aires** . * **Full\-time Contractor (Long\-term)** with opportunities for growth. * Small, collaborative team working across engineering, design, and operations.