About the role
We are looking for a Senior Full Stack Engineer to join an international engineering team based in Madrid and contribute to the development and evolution of a large-scale SaaS platform.
In this role, you will work across the entire technology stack, with a balanced focus on backend development using Node.js and TypeScript and frontend development using React.
Beyond writing high-quality code, you will actively participate in architectural decisions, shape technical solutions and take ownership of features throughout their lifecycle. You will collaborate closely with other engineers, Tech Leads and Product Managers to build scalable, reliable products that address complex business challenges.
This is an opportunity for an engineer who combines strong technical expertise across the stack with a genuine product mindset and an interest in influencing how software is designed, developed and evolved.
Key responsibilities
• Full Stack Development: Design, develop and maintain end-to-end product features, balancing backend services and frontend applications.





• Backend Engineering: Build scalable and maintainable services using Node.js and TypeScript, contributing to API design, business logic and microservices architecture.

• Frontend Engineering: Develop high-quality user interfaces and applications using React, focusing on usability, performance and maintainability.

• Software Architecture: Participate in architectural decisions, design patterns and the evolution of shared libraries and reusable components across the stack.

• Cloud Infrastructure: Work with a proprietary serverless cloud platform, contributing to the development and scalability of the technology ecosystem.

• End-to-End Ownership: Take responsibility for features from initial design and technical definition through implementation, testing, deployment and maintenance.

• Product Collaboration: Work closely with Product Managers, Tech Leads and fellow engineers to define solutions, challe

📌 Senior Full Stack Engineer (Madrid)
🏢 Actual Talent
📍 Madrid