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We are looking for a Senior Fullstack Developer (Node.js / React / Claude Code) to join our team. Leading B2B platform for organizing corporate events — from team offsites to large-scale annual events. The project team is located in Paris and meets offline every two months, so a visa and the ability to visit the EU are essential. Technical stack: React, Next.js, Node.js, NestJS, MongoDB, GraphQL.
Job Responsibility:
Lead and share best practices on Claude agentic AI
Design and deliver features through to impact validation
Contribute to your squad’s architectural decisions
Maintain high standards of quality, performance, and reliability
Actively participate in team rituals: code reviews, daily syncs, retrospectives, 1:1s
Mentor and support less experienced engineers on best practices
Requirements:
5+ years of experience in fullstack development
Strong product and business mindset
Proficiency with React / Next.js
Proficiency with Node.js / NestJS
Comfortable with MongoDB and GraphQL, including performance considerations
Autonomous with a strong sense of ownership
Strong written and verbal communication skills in English (at least B2)
Experience development with Claude Code - most of the code should be produced using AI
Must be located within a maximum of 1–2 hours of the Paris time zone and will be required to come onsite in Paris 2 days every 2 months
What we offer:
Paid vacation and sick leave
Working on exciting projects with a team of professionals
Opportunities for learning and practicing new technologies
internal training
Participating in inner meetups and permanent experience exchange with colleagues
Well-defined development processes and methodologies
English and/or French language learning for free with internal teachers within working hours