Senior Full-Stack Dev – AI-Driven, Madrid Relocation

Lemon.io; Madrid; Hybrid; EUR 90.000 - 130.000; Vollzeit

Benefits dieser Stelle

Relocation bonus

Monthly benefits

Zusammenfassung

Lemon.io is hiring a Senior Full-Stack Developer to shape a supplier intelligence product inside the company's serverless development platform. You will work in-house, with relocation to Madrid and a small agile squad of 4-6 people.

You will design and build full-stack features using Node.js/TypeScript on the backend and React on the frontend, while mentoring juniors and contributing to technical strategy. Strong English and work authorization for Spain are required.

Qualifikationen

• 5+ years of full-stack development with Node.js / TypeScript and React.
• Hands-on experience with AI-assisted development and agentic, AI-driven engineering workflows.
• Strong web services / REST integration experience and Git.
• A product mindset - you think about user experience, business impact and scalability.
• Comfort with agile sprints and fast iteration.
• English at C1 level.
• Legal existing right to work in Spain: EU citizenship or an alternative granting a right to work in Spain (visa sponsorship is not available)

Aufgaben

• Design, build and optimize full-stack features with Node.js and TypeScript on the backend and React on the frontend
• Own the architecture and design of TypeScript-based solutions, optimizing for performance, reliability and UX
• Work closely with product managers, designers and engineers to define and ship features
• Keep quality high through code reviews, automated testing and CI/CD
• Contribute to technical strategy and mentor junior developers

Kenntnisse

Node.js / TypeScript

React

AI-assisted development

REST APIs

Git

Product mindset

Agile

Jobbeschreibung

Lemon.io is hiring a Senior Full-Stack Developer to shape a supplier intelligence product inside the company's serverless development platform. You will work in-house, with relocation to Madrid and a small agile squad of 4-6 people.

You will design and build full-stack features using Node.js/TypeScript on the backend and React on the frontend, while mentoring juniors and contributing to technical strategy. Strong English and work authorization for Spain are required.