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 global Saa S 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 Type Script.

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 Saa S 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 Type Script 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 Saa S 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.

Experience with g RPC and API integrations.

Knowledge of JSON Schema or XML Schema.

Experience with CI/CD pipelines and Azure Dev Ops.

Familiarity with Agile and Test-Driven Development practices.

We offer*: Adaptable working format - remote, office-based or flexible A competitive salary and good compensation package Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more) Active tech communities with regular knowledge sharing Project: Global biopharmaceutical company #J-18808-Ljbffr

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