Senior Full Stack AI-first Saas Engineer

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Full Stack AI-first SaaS Engineer based in Spain.

As a Senior Full Stack AI-first SaaS Engineer, you will build and evolve a B2B platform designed to simplify security, compliance, and AI governance. You will work across frontend and backend development, taking ownership of features from initial concept through production delivery. The role places a strong emphasis on React and TypeScript while also requiring confidence in Node.js, APIs, integrations, and backend architecture. You will develop AI-powered product capabilities and use modern AI-assisted development tools as part of your everyday engineering workflow. Working within a lean, international team, you will contribute to system design, technical decisions, CI/CD, and product development. This is an opportunity to combine strong full-stack engineering with an AI-first mindset while building a product with meaningful business impact.