Backend Developer, Node.js

Job not on LinkedIn

🕒 April 15

🏢🏡 Lyon – Hybrid

💵 €50k / year

⏰ Full Time

🟡 Mid-level

🟠 Senior

🔙 Backend Engineer

🗣️🇫🇷 French Required

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Logo of Attestation Légale - Once For All

Attestation Légale - Once For All

WebsiteLinkedIn

51 - 200 employees

🎞 Notre histoire :

📋 Description

• Develop and maintain the project's Node.js microservices • Design and deploy serverless functions (AWS Lambda / Azure Functions) for event-driven processing and business automations • Ensure data transformation and synchronization across products (France, UK, Spain) • Design and expose robust, scalable REST APIs following Clean Architecture principles • Collaborate with Product teams and other technical teams to understand requirements and propose solutions • Contribute to Java projects (proxies) and participate in code reviews • Write technical documentation and share best practices • Participate in Agile rituals: daily stand-ups, weekly refinement, sprint planning, retrospectives/demos

🎯 Requirements

• Bachelor's or Master's degree in Computer Science or equivalent experience • 3 to 5 years of backend development experience • Strong proficiency in Node.js • Proficient with serverless architectures (AWS Lambda) and deployment/scalability patterns • Clean Architecture: managing layers and dependencies • Design patterns (e.g., Strategy) and SOLID principles • Unit, integration and end-to-end testing (Jest, Mocha) • Message brokers: RabbitMQ and/or Kafka (producer/consumer) • AWS: Fargate, Lambda, ECS, RDS – deployment and monitoring (CloudWatch) • Knowledge of or interest in Java/Spring (used in ancillary projects) • OAuth2, IAM, JWT – authentication mechanisms • Robust, scalable REST APIs

🏖️ Benefits

• Meal vouchers: €9.50/day (employer contribution: €5.50) • Stimulating technical environment with Lead Dev mentorship • Technology watch encouraged, integrated AI tools (Copilot, Claude…) • Monthly company meetup, annual offsite, team afterworks • Nearly full remote with organized on-site gatherings (3 days/month)

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