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NW Tech Stack

Battery storage and EV charging hardware for French energy transition

Renewable Energy Power Generation Paris, Île-de-France 51–200 employees Founded 2007 Privately Held

NW manufactures battery storage systems (JBox®) and high-power EV charging infrastructure (IECharge®) for the French grid and international markets. The tech stack—Rust, Linux, Python, MQTT, PostgreSQL—reflects embedded systems engineering at scale, paired with operational digitalization (finance function, maintenance service automation). Hiring velocity is accelerating across engineering and product, suggesting active hardware development and scaling of supply-chain complexity as the company expands internationally.

Tech Stack 18 technologies

Core StackRust Linux Python C++ JavaScript Docker PostgreSQL GitHub Power BI Yocto systemd IEC 61131-3 MQTT C macOS SQL VBA Excel

What NW Is Building

◆Challenges

Optimizing internal tools and processes
Decarbonation of energies
Expanding energy storage projects internationally
Monitoring geopolitical risks and raw material price volatility
Managing supply chain cost fluctuations
Digitalizing finance function
Digitalizing maintenance service
Energy transition challenge
Optimizing contract terms
Scaling tech for growth

▲Active Projects

Digitalizing maintenance service
Valorisation projects
Energy storage project development
Finance function digitalization
Mvp development
Group reporting implementation
Jbox software development
Bess system supply chain optimization
Validation and certification
International expansion of energy storage projects

Hiring Activity

Accelerating20 roles · 9 in 30d

Department

Engineering

4

Product

4

Ops

3

Finance

2

Sales

2

Business

1

Management

1

Seniority

Senior

6

Mid

3

Intern

2

Junior

2

Lead

2

Manager

2

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About NW

NW is a French energy-hardware company founded in 2007, headquartered in Paris, with 51–200 employees. The company manufactures two primary product lines: JBox®, a battery energy storage system (BESS) for grid stabilization and renewable integration, and IECharge®, a high-power EV charging platform. NW operates across France and internationally, with active hiring in France and Italy. Current project focus spans hardware development (JBox software, BESS supply-chain optimization), operational scaling (finance digitalization, maintenance service automation), and international project expansion. The company faces supply-chain cost and geopolitical volatility as core operational challenges.

HeadquartersParis, Île-de-France

Company Size51–200 employees

Founded2007

Hiring MarketsFrance, Italy

Frequently Asked Questions

What tech stack does NW use?

Rust, Linux, Python, MQTT, PostgreSQL, Docker, C/C++, and JavaScript. The mix indicates embedded systems for hardware control alongside backend services for fleet management and grid integration.

What is NW working on?

JBox® battery storage software, IECharge® charging system development, BESS supply-chain optimization, international project expansion, and internal digitalization of finance and maintenance functions.