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Bitkey Inc. | 株式会社ビットキー Tech Stack

IoT-embedded security platform for smart locks and access control

IT Services and IT Consulting 中央区, 東京都 201–500 employees Privately Held

Bitkey builds embedded security hardware and cloud services around physical access control, with a tech stack spanning low-level embedded systems (C, C++, Embedded Linux, RTOS, Bluetooth Low Energy) and modern cloud infrastructure (Node.js, React, Firebase, Google Cloud). Active development across smart lock hardware, facial recognition services, and IoT devices for real estate signals a shift toward multi-modal authentication. Engineering dominates headcount (34 of 55 roles) with a mid-to-manager seniority skew, while noted pain points around vendor QA, AlloyDB migration, and IoT implementation at scale suggest the company is maturing infrastructure as product scope expands.

Tech Stack 62 technologies

Core StackC++ TypeScript React Next.js Node.js PostgreSQL Firebase Solidworks Slack Postman Okta Go Redis SendGrid C Embedded Linux RTOS Bluetooth Low Energy Firestore Cloud SQL Google Cloud Functions Cloud Run Notion mabl Gemini Google Workspace iOS iPadOS Android Google Cloud KMS+32 more
AdoptingAlloyDB
ReplacingAlloyDB

What Bitkey Inc. | 株式会社ビットキー Is Building

Challenges

  • Customer satisfaction improvement
  • Vendor management for qa
  • Budget planning for qa
  • Migrating to alloydb
  • Operational issue resolution
  • Existing user satisfaction improvement
  • Defect handling flow improvement
  • Providing value in physical spaces
  • Implementing iot solutions for real estate
  • Quality management system building

Active Projects

  • Smart lock and facial recognition web service development
  • Workhub iot device feature development
  • Ci/cd environment improvement
  • Onboarding video improvement
  • Devops design and implementation
  • New iot device poc
  • Workhub mobile app
  • Homehub mobile app
  • New feature release support
  • User satisfaction survey

Hiring Activity

Decelerating55 roles · 15 in 30d

Department

Engineering
34
Sales
9
Support
7
Product
3
Design
1
Quality
1

Seniority

Mid
25
Manager
15
Senior
10
Junior
2
Staff
2
Lead
1

Notable leadership hires: Tech Lead

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About Bitkey Inc. | 株式会社ビットキー

Bitkey is a Japan-based IoT and embedded security company developing smart lock hardware, facial recognition authentication services, and IoT solutions for real estate and workspace management. The product portfolio includes smart lock and facial recognition web services, two mobile applications (workhub and homehub), and emerging IoT devices for property access and management. The engineering organization leans toward mid-level and management roles, with smaller sales and support teams. Based in Tokyo's Chuo Ward, the company operates exclusively within Japan's hiring market.

Headquarters中央区, 東京都
Company Size201–500 employees
Hiring MarketsJapan

Frequently Asked Questions

What is Bitkey's tech stack?

Bitkey uses C, C++, Embedded Linux, RTOS, and Bluetooth Low Energy for embedded hardware; TypeScript, React, Next.js, and Node.js for web services; Firebase, Firestore, PostgreSQL, and Google Cloud infrastructure for backends. Currently adopting AlloyDB for database scaling.

What products is Bitkey building?

Bitkey develops smart lock and facial recognition authentication services, two mobile apps (workhub and homehub for IoT device management), and new IoT device prototypes for real estate and workspace access control. Active work includes CI/CD improvements, DevOps infrastructure, and onboarding enhancements.

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