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PowerX, Inc. Tech Stack

Battery storage, EV charging, and energy management for renewable energy adoption

Appliances, Electrical, and Electronics Manufacturing Minato, Tokyo 51–200 employees Founded 2021 Privately Held

PowerX builds hardware and software for renewable energy infrastructure—battery energy storage systems (BESS), ultrafast EV chargers, and battery tanker logistics. The tech stack reveals a systems-oriented company: Go, C++, Rust, and Kubernetes for backend services; gRPC for inter-service communication; IoT and asset management layers; plus compliance tooling (OpenADR). Active hiring is concentrated in engineering (5 roles, all senior or mid-level), with velocity accelerating—typical of hardware companies scaling cloud operations and device-management platforms alongside physical product ramps.

Tech Stack 30 technologies

Core StackKubernetes Go C++ Kotlin Rust Docker Nginx MySQL PostgreSQL gRPC JavaScript TypeScript Java AWS Terraform Zapier n8n Slack GCP Bazel Apache OpenADR Windows macOS Android iOS Google Apps Script iPaaS Google Workspace Notion

What PowerX, Inc. Is Building

◆Challenges

High reliability for battery storage services
Improving business efficiency
Information security compliance
Network performance improvement

▲Active Projects

Energy management system backend
Charger and asset management services
Kubernetes and cloud service infrastructure design
Bazel internal build system development
Iot network and deploy system design
Business efficiency improvement projects
Office infrastructure design and operation
It control compliance
Battery management

Hiring Activity

Accelerating5 roles · 2 in 30d

Department

Engineering

5

Seniority

Senior

3

Mid

2

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About PowerX, Inc.

PowerX, founded in 2021 and based in Minato, Tokyo, develops energy storage and EV charging hardware alongside the software platforms required to operate them at scale. The company's product portfolio spans battery energy storage systems (BESS), fast-charging infrastructure for electric vehicles, and battery tanker technology for distributed energy logistics. Internally, they operate a cloud backend (Kubernetes on GCP and AWS), manage IoT networks for chargers and battery assets, and maintain compliance systems. The engineering-focused team is actively building energy management system backends, charger and asset management services, and internal build infrastructure (Bazel). Current challenges center on reliability for battery services, network performance, and information security compliance.

HeadquartersMinato, Tokyo

Company Size51–200 employees

Founded2021

Hiring MarketsJapan

Frequently Asked Questions

What is PowerX's tech stack?

Go, C++, Rust, Kotlin, and Java for application logic; Kubernetes, GCP, and AWS for cloud infrastructure; PostgreSQL and MySQL for data; gRPC for service communication; and OpenADR for energy protocol compliance.

Is PowerX hiring engineers?

Yes. All 5 active roles are engineering positions (3 senior, 2 mid-level), posted in Japan with accelerating hiring velocity.

What is PowerX working on?

Energy management system backends, charger and asset management services, Kubernetes and cloud infrastructure design, IoT network deployment systems, battery management, and internal build system development (Bazel).