🧠 Backend Engineer – Node.js / OPC UA

⚙️ Context

As part of its strong growth, a French company at the forefront of connected technologies in the industrial sector is strengthening its tech team.

This structure develops real-time monitoring systems, at the heart of critical environments, based on industrial protocols and distributed architectures.
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🎯 Role & Missions

As a Backend Engineer specializing in Node.js and OPC UA , you will play a central role in managing the real-time control of industrial machines and in processing field data with high operational stakes.
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Your responsibilities:

• Development and maintenance of OPC UA clients in Node.js.
• Reading and writing data from sensors, PLCs and industrial systems
• Structuring, parsing and transforming data flows for optimal integration
• Data exposure via robust and efficient REST APIs
• Close collaboration with the Product, Backend and Embedded teams in an edge & real-time logic
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🧪 Technical Environment

• Languages : Node.js, TypeScript
• Industrial protocols : OPC UA, MQTT, (Modbus preferred)
• Database : PostgreSQL
• API : REST
• Infrastructure : Docker
• Context :
  • Connected industrial communication systems
  • Edge data processing
  • Deployment on complex and demanding industrial sites

🧬 Profile Wanted

• Experience : 5 years minimum in JS/TS backend development
• Solid expertise in Node.js, TypeScript, and industrial protocols (OPC UA essential)
• Strong appetite for real-time environments, edge computing , connected systems
• Autonomy, rigor, and the ability to evolve in a stack mixing software and hardware
• Ability to collaborate effectively with multidisciplinary teams (embedded, data, product)
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👥 Team & Organization

• Tech-first culture, driven by impact and reliability
• Close collaboration with the Embedded, Backend and Product teams
• Strong development of the tech team in a structuring context
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💼 Conditions & Contract

• Type of contract: CDI
• Salary : between €60k and €80k gross per year , depending on profile and expertise
• Location : Paris or Full Remote
• Remote :
  • If based in Île-de-France: 2 to 3 days per week on site
  • If outside Île-de-France: 100% teleworking possible

🌍 Working language

• Fluent French
• Technical English required (reading/writing documents, exchanging with technical partners)
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🧪 Recruitment Process

1. Video interview with the CTO
2. Technical exchange with the Lead Tech + CTO

Simple and fast process, with a focus on competence and technical suitability.

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