Senior React & Node Developer
Lemon.io helps companies in the US and Europe hire experienced engineers, from funded startups to teams like Klarna, Retool, and Pinterest. We ve been doing this since 2015, and more than 1,500 companies have hired engineers through us.

We are seeking a Senior React Node Developer for our client. Its a SaaS platform for supplier intelligence and value-chain transparency, used by around 2,500 companies in 50+ countries. You ll work on their Business Partner Transparency product inside a serverless, enterprise-grade platform, building software that automates complex compliance workflows.

Involvement: full-time

Location: Madrid, on-site (hybrid). Relocation bonus is available. Only for candidates with EU citizenship or an equivalent right to work in Spain (visa sponsorship not available)

Requirements:





- 5+ years of experience as a software developer
- 3+ years of experience with Node.js and React.js
- 3+ years of experience with TypeScript
- Familiarity with AI-assisted coding is a must
- Strong product mindset - proven in-house experience in product companies
- Clear and effective communication in English advanced ability to discuss business tasks, justify decisions, and communicate issues. Good self-presentation is also essential for upcoming client calls.
- Adaptability and flexibility the ability to onboard onto a project promptly after accepting it and start delivering results quickly.

React, Node, TypeScript,

📌 Senior React & Node Developer, hibrido (Madrid)
🏢 lemon.io
📍 Madrid