Fullstack Developer (Node.js + React)

Location: Remote (within the EU)
Contract Type: Long-term B2B
Language: English B2/C1

About Us

The client  a French software services company on a mission to improve the way businesses operate through smart, lean software solutions.

They combine AI agents, low-code platforms, and SaaS tools to build solutions that are fast, efficient, scalable, and fully owned by our clients, without technical debt or unnecessary long-term dependencies.

Headquartered in Paris, with a fully remote engineering team, we work as both a consulting partner and delivery powerhouse. We take the time to understand how our clients work, identify opportunities for improvement, and build technology that helps them perform better.

Your Responsibilities

Backend & Data Engineering

• Build and maintain Node.js backend services supporting content migration pipelines.

• Design and implement data transformation layers that map legacy CMS content to modern target formats, including Arc XP.

• Develop reliable and maintainable solutions for complex data-processing workflows.

System Stability

• Debug and resolve data inconsistencies between source and target systems.

• Investigate technical issues across existing applications and data pipelines.

• Quickly understand, navigate, and contribute to established codebases.

Frontend Development

• Build reusable React component libraries following Arc design patterns.

• Optimize frontend performance and maintain a clean, scalable component architecture.

• Ensure applications meet high standards for accessibility, responsiveness, and usability.

Autonomy & Ownership

• Work as an autonomous, expert member of the engineering team.

• Take ownership of technical challenges from investigation through implementation.

• Contribute to engineering decisions and help deliver high-quality solutions with minimal supervision.

Requirements & Qualifications

Core Stack

• 4+ years of professional experience with JavaScript/TypeScript.

• 3+ years of experience developing backend applications with Node.js.

• 3+ years of hands-on React development experience.

Web & API Literacy

• Strong understanding of REST APIs and modern web development.

• Knowledge of Core Web Vitals and frontend performance optimization.

• Understanding of web analytics and accessibility standards.

Tools & Infrastructure

• Practical experience with Redis, including caching, pub/sub, and queues.

• Basic experience with Docker and containerization.

Code Craftsmanship

• Strong understanding of software design patterns.

• Commitment to clean, maintainable, and well-structured code.

• Good knowledge of software development best practices.

Languages

• English proficiency at B2 level or above.

Nice to Have

• Experience working with Headless CMS platforms such as Directus or Strapi.

• Hands-on experience implementing event analytics using tools such as Google Analytics, Adobe Analytics, Amplitude, or Piano.

• Knowledge of SEO best practices and performance optimization for content-heavy applications.

• Previous experience migrating data between different content platforms or databases.

• Exposure to cloud platforms such as AWS, GCP, or Azure.

• Experience with custom React-based frameworks.

Primary Tech Stack Across Projects

Backend: Node.js, NestJS, TypeScript, REST API, tRPC, Redis, Xano

Frontend: React, Next.js, custom CMS React frontends

What You Can Expect

• Fully remote work within the EU.

• Long-term B2B collaboration.

• An expert-level engineering environment with a high degree of autonomy.

• Opportunities to work on modern web applications, content platforms, data migrations, and AI-powered solutions.

• Direct involvement in solving complex technical and business challenges.

Hiring Process

1. HR & Technical Prescreening — 1 hour
Conducted in English, including recorded video answers that will be shared with our technical team.

2. Technical Interview — 1.5 hours
A deep-dive technical interview with senior engineers covering your experience, technical knowledge, and approach to problem-solving.

3. Leadership Call — 30 minutes
A final conversation with the CTO to discuss the role, team, collaboration, and mutual expectations.