European Union, LATAM Work type: Office/Remote Technical Level: Leader Job Category: Software Development Project: Leading platform for electronic agreements We are looking for a talented Senior Full-Stack Engineer to join a team building a modern, large-scale platform that powers intelligent agreement management experiences for millions of users worldwide. Our platform is at the heart of a general SaaS product used by more than 1.7 million organizations across 180+ countries. The team develops a unified, widget-based front-end architecture that enables seamless experiences across document creation, sending, signing, and management. By combining scalable engineering practices with AI-powered workflows, we are transforming the way businesses manage their most important agreements. As a Senior Engineer, you will play a key role in designing and developing high-performance, reusable frontend solutions while contributing to backend services and platform capabilities. You will work on complex engineering challenges involving micro-frontends, scalability, reliability, security,



and developer productivity. Responsibilities: * Design and build scalable, reusable UI components and frontend solutions using React and TypeScript. * Develop and maintain backend services using Node.js and Express. * Contribute to a modern micro-frontend architecture and shared platform capabilities. * Collaborate with cross-functional teams to deliver high-quality features in a fast-paced SaaS environment. * Write well-tested, maintainable code and contribute to a strong engineering culture. * Improve performance, reliability, observability, and security across the platform. * Participate in the entire software development lifecycle, including architecture discussions, implementation, testing, CI/CD, and production releases. Requirements: * 8+ years of professional software development experience. * Strong expertise with TypeScript and React. * Hands-on experience with Node.js, Express, and modern

📌 Lead Fullstack Engineer (Vigo)
🏢 N-iX
📍 Vigo