Lead Fullstack Engineer (React+Next.js)

About this role

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 global 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 backend development.

Experience building reusable frontend components, design systems, or shared libraries. Solid understanding of frontend testing practices and tools. Experience working on large-scale SaaS products. Knowledge of REST APIs and modern web architecture. Excellent communication skills and ability to collaborate effectively in distributed teams. Nice to Have: Experience with Next.js. Hands-on experience with micro-frontend architecture.