Senior React & Node Engineer — AI-Driven, Madrid Hybrid

Lemon.io; Madrid; Hybrid; EUR 70,000 - 90,000; Full time

Benefits offered by this job

Relocation bonus

Job summary

Lemon.io in Madrid is seeking a Senior React & Node Developer for a SaaS platform focused on supplier intelligence and value-chain transparency. You will contribute to the Business Partner Transparency product inside a serverless, enterprise-grade system.

You’ll work full-time in a hybrid on-site environment. The role requires 5+ years as a software developer, strong Node.js/React.js and TypeScript experience, and a proven product mindset with clear English communication.

Qualifications

• 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.
• Adaptability and flexibility — the ability to onboard onto a project promptly after accepting it and start delivering results quickly.

Responsibilities

• Work on a SaaS platform for supplier intelligence and value-chain transparency.
• Develop the Business Partner Transparency product inside a serverless, enterprise-grade platform.
• Collaborate with cross-functional teams and contribute to client calls.

Skills

AI-assisted coding

Product mindset

English communication

Adaptability

Onboarding quickly

Tools

Node.js

React.js

TypeScript

Job description

Lemon.io in Madrid is seeking a Senior React & Node Developer for a SaaS platform focused on supplier intelligence and value-chain transparency. You will contribute to the Business Partner Transparency product inside a serverless, enterprise-grade system.

You’ll work full-time in a hybrid on-site environment. The role requires 5+ years as a software developer, strong Node.js/React.js and TypeScript experience, and a proven product mindset with clear English communication.