Описание

Lemon.io is hiring on behalf of a fast-growing SaaS company that helps around 2,500 businesses in 50+ countries bring transparency, compliance, and efficiency to their supply chains. This is an in-house, direct-hire role suggesting relocation to Madrid. As a Senior Full-Stack Developer you'll shape a supplier intelligence product inside the company's enterprise-grade, serverless development platform. You'll build features that automate complex compliance and ESG workflows for international clients, working in a small agile squad of 4-6 people.

Задачи

- 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

Требования

- 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)

Будет плюсом

German or Spanish is a plus

Условия

- Full-time contract, hybrid in Madrid (3 days/week in the office)
- Competitive salary plus monthly benefits
- Relocation bonus for candidates open to moving to Madrid

📌 full-stack developer for supplier intelligence (Madrid)
🏢 lemon.io
📍 Madrid