HQ: Tokyo, Japan · Smart Grid · Energy AI · Energy Management · Est. 2024 · Likely startup · Trust C · Hiring 11
Bluefield Energy is a Japanese energy technology startup that applies software to rebuild how electricity, including renewable power, is generated, traded and consumed. Founded in November 2024, it serves major power utilities and general contractors and hires backend, cloud, security and data platform engineers. The company is headquartered in Tokyo, Japan.
Ta Shima · 代表者 · decision-maker
No careers mailbox known
$38k – $95k per year · In office (Tokyo, Japan) · Full-Time
C#
TypeScript
SQL
C#
ASP.NET Core
Entity Framework Core
MediatR
xUnit
Databases
Azure SQL Database
AI/ML
OpenAI Codex
Claude Code
Mobile
Clean Architecture
DevOps
Azure DevOps
GitHub
Rest API
Azure
CI/CD
QA
Vitest
+9
Likely inactiveVerified live · 3 hours ago
9 months ago
Long shot · 3%
バックエンドエンジニア
$38k – $95k per year · In office (Tokyo, Japan) · Full-Time
C#
TypeScript
SQL
C#
ASP.NET Core
Entity Framework Core
MediatR
xUnit
Databases
Azure SQL Database
AI/ML
OpenAI Codex
Claude Code
Mobile
Clean Architecture
DevOps
Azure DevOps
GitHub
Rest API
Azure
CI/CD
QA
Vitest
+9
Tokyo · Kawasaki · Hiring 12
No named decision-maker yet.
No careers mailbox known
$44k – $69k per year · In office (Tokyo, Japan) · Full-Time
Tokyo · Energy Efficiency · Water Utilities · Hiring 8
WOTA develops compact water treatment and desalination systems that recycle and produce potable water from a variety of sources using low-energy processes. The company designs modular, downsized desalination and water-recycling devices that run on solar power or household electricity and incorporate patented technologies for energy-efficient operation. WOTA connects these decentralized units via IoT for remote monitoring and control, aiming to enable smart water grids for disaster relief, communities and industrial customers worldwide.
No named decision-maker yet.
Careers mailbox is known
$16k per year · In office (Tokyo, Japan) · Internship
TypeScript
JavaScript
Databases
DynamoDB
AI/ML
Cline
Claude
Copilot
Frontend
Zustand
React Query
tRPC
pnpm
React Router
Turborepo
React.js
DevOps
WebRTC
AWS Lambda
Amazon CloudWatch
Amazon Kinesis
Amazon EventBridge
API Gateway
Amazon S3
GitHub Actions
CI/CD
AWS
Analytics
AWS Glue
Design
Figma
QA
Playwright
Vitest
+19
HQ: Tokyo, Japan · AI Consulting & Integration · Hiring 8
Gen-AX is a Japanese AI company that uses generative AI to accelerate the AI transformation of its clients, starting from autonomous AI operators for contact centres. It supports customer service organisations from BPR strategy and roadmaps to data model design, draws on the business fields and technology assets of the SoftBank group, and hires project managers, deployment strategists, infrastructure, frontend, backend and research engineers. The company is headquartered in Tokyo, Japan.
No named decision-maker yet.
No careers mailbox known
$51k – $95k per year · In office (Tokyo, Japan) · Full-Time
Rust
Kotlin
Scala
Go
Java
Databases
ClickHouse
AI/ML
LLM
HQ: Tokyo, Japan · Logistics · 51-200 employees · Est. 2015 · Startup · Trust A · Hiring 15
Hacobu is a Tokyo logistics technology company founded in 2015 that builds MOVO, a platform for truck scheduling and delivery visibility. Its dock reservation system reduces the long waiting times that plague Japanese distribution centres, and its telematics tracks vehicles across shippers. The company positions its data as shared infrastructure for the logistics industry.
No named decision-maker yet.
No careers mailbox known
In office (Tokyo, Japan) · Full-Time
TypeScript
JavaScript
Databases
Google BigQuery
AI/ML
Airflow
OpenAI Codex
Devin
Cursor
ChatGPT
Claude Code
Copilot
Frontend
Zustand
Zod
TanStack Router
React.js
Mobile
React Native
Expo
DevOps
gRPC
Istio
Datadog
ArgoCD
GitHub Actions
GitHub
Terraform
Docker
Kubernetes
AWS
Design
Figma
Management
Miro
Jira
+21
$38k – $76k per year · In office (Tokyo, Japan) · Full-Time
TypeScript
Scala
C#
Java
JavaScript
Databases
Google BigQuery
AI/ML
Airflow
OpenAI Codex
Devin
Cursor
ChatGPT
Claude Code
Copilot
Frontend
Zustand
Zod
TanStack Router
React.js
Mobile
React Native
Expo
DevOps
gRPC
Istio
Datadog
ArgoCD
GitHub Actions
GitHub
Terraform
Docker
Kubernetes
AWS
Design
Figma
Management
Miro
Jira
+24
HQ: Tokyo, Japan · POS Terminals & Kiosks · Catering & Food Services · Hiring 2
GMO OMAKASE is a restaurant technology company that operates OMAKASE by GMO, a reservation service connecting hard-to-book restaurants with diners. Nine of the twelve Tokyo restaurants holding three Michelin stars use its service, and the company hires lead engineers and customer success staff for its inbound tourism business. The company is based in Tokyo, Japan.
No named decision-maker yet.
No careers mailbox known
Verified live · 5 hours ago
3 months ago
Long shot · 11%
リードエンジニア
$44k – $95k per year · In office (Tokyo, Japan) · Full-Time
Ruby
TypeScript
JavaScript
Ruby
Ruby on Rails
AI/ML
OpenAI Codex
Devin
Claude Code
Frontend
Next.js
React.js
DevOps
Datadog
Heroku
Cloudflare
GitHub Actions
GitHub
AWS
Design
Figma
+8
Tokyo · Munich · Yamato · Kōtō · Earth Observation · 5000+ employees · Trust A · Hiring 31, 3 new
Synspective provides solutions for utilizing and integrating data from Synthetic Aperture Radar ("SAR") satellite constellations, big data, and machine learning.
No named decision-maker yet.
Careers mailbox is known
In office (Yamato, Japan)
MATLAB
C#
JavaScript
Python
DevOps
GitHub
Windows
Git
≈ $31k – $80k per year (Estimated) · Middle · 3+ years exp · In office (Tokyo, Japan) · Middle · Japanese: B2 (Optional) · English: B2
Go
TypeScript
JavaScript
AI/ML
Human-in-the-Loop
Frontend
Vue.js
React.js
D3.js
Deck.gl
Mobile
Clean Architecture
DevOps
gRPC
Rest API
GCP
AWS
+5
Verified live · 5 hours ago
8 months ago
Fading · 30%
フルスタックエンジニア
In office (Tokyo, Japan)
HQ: Tokyo, Japan · PropTech · AR & VR Software · Hiring 1
Spacely is a Japanese company that offers a cloud VR software for businesses with more than 12,000 users. Its AI-assisted tools create virtual tours and spatial data for the real estate and housing industries, including 360-degree content, virtual furniture placement and room size estimation, and it hires Rails engineers. The company is based in Tokyo, Japan.
No named decision-maker yet.
Careers mailbox is known
$44k – $63k per year · Middle · 3+ years exp · In office (Tokyo, Japan) · Relocation · Full-Time · Middle
Ruby
JavaScript
Ruby
Ruby on Rails
RSpec
Databases
MySQL
PostgreSQL
ElasticSearch
Frontend
Vue.js
React.js
Mobile
Algolia
DevOps
AWS
+3
HQ: Stockholm, Sweden · Telecom Infrastructure · Mobile Networks · Network Equipment · 5000+ employees · Est. 1876 · Trust A · Hiring 342, 19 new
Ericsson is a Swedish telecommunications company founded in 1876 and headquartered in Stockholm. It supplies mobile network equipment and software to operators worldwide. The company is one of the largest providers of fifth generation network infrastructure.
No named decision-maker yet.
No careers mailbox known
In office (Yokohama, Japan) · Master's Degree · English
In office (Yokohama, Japan) · Master's Degree · Japanese · English
Tokyo · Geospatial AI · Data Providers & Datasets · Est. 1970 · Trust B · Hiring 22, 1 new
unerry develops ambient intelligence infrastructure that converts real-world movements into digital data and operates Beacon Bank, a big-data platform that accumulates 150 million IDs and collects 40 billion monthly location logs. Its patented beacon-sharing mechanism (patents in Japan, the US and China) supports a network of 2.15 million beacons and captures outdoor, underground and indoor location data. unerry applies AI to analyze people flow and visualizes physical places and consumer behavior to enhance retail marketing and enable smart-city planning.
No named decision-maker yet.
No careers mailbox known
Verified live · 2 hours ago
3 months ago
Long shot · 11%
シニアバックエンドエンジニア
In office (Tokyo, Japan) · Full-Time
Node JS
TypeScript
JavaScript
DevOps
GitHub
GCP
Verified live · 2 hours ago
3 months ago
Long shot · 11%
バックエンドエンジニア
In office (Tokyo, Japan) · Full-Time
Python
Python
Django
DevOps
GitHub
GCP
HQ: Tokyo, Japan · HR & Payroll Software · HR & Recruiting AI · Hiring 2
KAKEAI is a Japanese HR technology company that develops Kakeai, an AI tool supporting one-on-one meetings between managers and staff. The product is used by more than 104,000 organisations and teams, from startups to large enterprises, hospitals and schools, and has logged over 3 million one-on-ones. The company is headquartered in Tokyo, Japan.
No named decision-maker yet.
No careers mailbox known
Verified live · 1 hour ago
3 months ago
Long shot · 11%
プロダクトエンジニア
$38k – $63k per year · In office (Tokyo, Japan) · Full-Time
Ruby
TypeScript
Python
JavaScript
Python
FastAPI
Asyncio
Ruby
Ruby on Rails
Databases
Neo4j
Amazon Aurora
MySQL
AI/ML
LLMOps
Claude
Frontend
Angular
DevOps
Datadog
AWS Fargate
AWS Lambda
Amazon ECS
Amazon CloudWatch
Amazon S3
GitHub
Terraform
Windows
CI/CD
AWS
+16
HQ: Tokyo, Japan · PropTech · Startup · Trust D · Hiring 19
estie is a Japanese proptech startup working to digitise the commercial real estate market, with estie Office Research as its central service. It runs more than ten products across vertical data, vertical AI and marketplace lines used by developers, brokers, property managers and asset managers, and hires sales, customer success, data engineers and AI project managers. The company is headquartered in Tokyo, Japan.
No named decision-maker yet.
Careers mailbox is known
$32k – $82k per year · In office (Tokyo, Japan) · Full-Time
Rust
Kotlin
Python
Databases
Google BigQuery
Amazon Redshift
Snowflake
MySQL
Databricks
PostgreSQL
DevOps
Terraform
Analytics
Tableau
+3
In office (Tokyo, Japan) · Internship
Rust
Node JS
TypeScript
Java
Python
Ruby
JavaScript
Rust
Actix Web
Ruby
Ruby on Rails
Node JS
Nest.JS
Databases
PostgreSQL
AI/ML
Streamlit
OpenAI Codex
Devin
Claude Code
Copilot
Frontend
GraphQL
Next.js
React.js
DevOps
Datadog
GitHub Actions
GitHub
Terraform
CI/CD
AWS
+17
Likely inactiveVerified live · 4 hours ago
8 months ago
Long shot · 3%
チーフエンジニア
In office (Tokyo, Japan) · Full-Time
Rust
Ruby
Node JS
TypeScript
Python
JavaScript
Rust
Actix Web
Ruby
Ruby on Rails
Node JS
Nest.JS
AI/ML
Streamlit
OpenAI Codex
Devin
Cursor
Claude Code
Copilot
Frontend
GraphQL
Next.js
React.js
DevOps
Datadog
GitHub Actions
GitHub
CI/CD
+14
HQ: Tokyo, Japan · ESG & Carbon Accounting Software · Trust B · Hiring 7
E-DASH is a Japanese climate SaaS startup from Mitsui & Co that offers a platform for measuring, reporting and reducing CO2 emissions. It serves companies and local governments with tools from emissions visualisation to reduction, with the mission of accelerating decarbonisation in Japan, and hires software, QA and security engineers, product managers and legal staff. The company is headquartered in Tokyo, Japan.
No named decision-maker yet.
Careers mailbox is known
Verified live · 2 hours ago
3 months ago
Long shot · 11%
43_ソフトウェアエンジニア
$28k – $44k per year · In office (Tokyo, Japan) · Full-Time
Go
TypeScript
JavaScript
Databases
DynamoDB
Redis
MySQL
AI/ML
Gemini
Devin
Claude Code
Frontend
Next.js
React.js
DevOps
Amazon ECS
GitHub Actions
GitHub
Terraform
CI/CD
AWS
Management
Linear
+10
$44k – $63k per year · In office (Tokyo, Japan) · Full-Time
Go
TypeScript
JavaScript
Databases
DynamoDB
Redis
MySQL
AI/ML
Gemini
Devin
Claude Code
Frontend
Next.js
React.js
DevOps
Amazon ECS
GitHub Actions
GitHub
Terraform
CI/CD
AWS
Management
Linear
+10
HQ: Tokyo, Japan · ESG & Carbon Accounting Software · Startup · Trust C · Hiring 11, 1 new
Cierpa & Co is a Japanese ESG and AI startup that supports companies in moving to sustainability management with advanced technologies and sustainability expertise. Its SaaS product SmartESG for sustainability disclosure is used by many large companies, including firms listed on the Tokyo Stock Exchange Prime market, and it hires product managers, project managers and software engineers for web development and AI research. The company is headquartered in Tokyo, Japan.
No named decision-maker yet.
No careers mailbox known
In office (Tokyo, Japan) · Full-Time
TypeScript
JavaScript
Databases
PostgreSQL
Frontend
GraphQL
tRPC
DevOps
CI/CD
In office (Tokyo, Japan) · Full-Time
In office (Tokyo, Japan) · Full-Time
HQ: Tokyo, Japan · Customer & Retention Analytics · Market Research · Likely startup · Hiring 9
Asobica is a Japanese data and software company that aims to make customer-centred management the standard for businesses. Its coorum platform combines community, research and purchase data to show not only what customers do but also why they do it. The company is headquartered in Tokyo, Japan.
No named decision-maker yet.
No careers mailbox known
In office (Tokyo, Japan) · Full-Time
Ruby
Dart
Node JS
TypeScript
JavaScript
Ruby
Ruby on Rails
Databases
MySQL
AI/ML
Devin
Cursor
ChatGPT
Claude
Copilot
Frontend
Next.js
JQuery
Vite
React.js
Mobile
Flutter
DevOps
GitHub
AWS
+11
HQ: Waterloo, Canada · Cybersecurity · Military Communication · Government · Military · Automotive Software · Embedded Software & RTOS · Endpoint Security · Est. 1984 · NYSE: BB · Trust B · Hiring 22, 2 new
BlackBerry is a Canadian technology company founded in 1984 and based in Waterloo. It now focuses on cybersecurity software and embedded systems including the QNX platform. Its software runs in hundreds of millions of vehicles.
Richard Horne · CEO · decision-maker
Nick Andersen · Director · decision-maker
Careers mailbox is known
≈ $47k – $97k per year (Estimated) · Senior · In office (Tokyo, Japan) · Full-Time · Senior · Japanese: C2 · English: C1
HQ: Tokyo, Japan · Theme Parks & Attractions · Ticketing · Travel Technology · Likely startup · Trust B · Hiring 7
Asoview is a Japanese leisure company that runs Asoview!, one of the country's largest booking sites for outdoor activities, experiences and leisure facilities, along with gift and ticketing services. In 2026 it acquired The Kids, an operator of about 70 indoor children's play parks, and it hires software engineers, product managers and solution sales staff. The company is headquartered in Tokyo, Japan.
No named decision-maker yet.
No careers mailbox known
$51k – $82k per year · In office (Tokyo, Japan) · Full-Time
TypeScript
Java
Java
Spring Boot
Databases
Amazon Aurora
MySQL
PostgreSQL
DevOps
CircleCI
Amazon EKS
Jenkins
GitHub
AWS
Kubernetes
Management
Confluence
Jira
+6
$30k – $63k per year · In office (Tokyo, Japan) · Full-Time
TypeScript
Java
JavaScript
Java
Spring Boot
Databases
Amazon Aurora
MySQL
PostgreSQL
Frontend
Next.js
React.js
DevOps
CircleCI
Amazon EKS
Jenkins
GitHub
Terraform
CI/CD
AWS
Kubernetes
Management
Confluence
Jira
+11
$63k – $95k per year · In office (Tokyo, Japan) · Full-Time
TypeScript
Java
Java
Spring Boot
Databases
Amazon Aurora
MySQL
PostgreSQL
DevOps
CircleCI
Amazon EKS
Jenkins
GitHub
AWS
Kubernetes
Management
Confluence
Jira
+6
HQ: Tokyo, Japan · Investing Apps & Robo-Advisors · Est. 2015 · Trust D · Hiring 33, 1 new
WealthNavi is a Tokyo company founded in 2015 that operates the largest automated investment service in Japan. Its platform builds and rebalances globally diversified portfolios for retail investors and automates tax optimisation. The company partners with banks and brokers to distribute the service and was acquired by Mitsubishi UFJ Financial Group.
No named decision-maker yet.
No careers mailbox known
$38k – $73k per year · In office (Tokyo, Japan) · Full-Time
$51k – $76k per year · In office (Tokyo, Japan) · Full-Time
Node JS
TypeScript
Java
JavaScript
Java
Spring Boot
Databases
DynamoDB
Amazon Aurora
MySQL
AI/ML
Gemini
Claude Code
Copilot
Frontend
React.js
DevOps
Datadog
Amazon ECS
GitHub
AWS
Cybersecurity
Auth0
+9
$44k – $76k per year · In office (Tokyo, Japan) · Full-Time
TypeScript
JavaScript
Java
Java
Spring Boot
Databases
Amazon Aurora
MySQL
AI/ML
Claude Code
Copilot
Frontend
Next.js
React.js
DevOps
Amazon EKS
AWS Lambda
Amazon ECS
API Gateway
GitHub Actions
GitHub
AWS
Kubernetes
Design
Figma
Management
Confluence
Jira
+13
HQ: Tokyo, Japan · Vulnerability Management · Security Compliance · Est. 2022 · Hiring 8
Assured is a Japanese cybersecurity startup in the Visional group that offers security risk ratings for cloud services and business partners and the vulnerability management cloud service yamory. Founded in August 2022, it hires product managers, product engineers, SREs, QA engineers and designers. The company is headquartered in Tokyo, Japan.
No named decision-maker yet.
No careers mailbox known
$532k – $915k per year · In office (Tokyo, Japan) · Full-Time
$575k – $1.1M per year · In office (Tokyo, Japan) · Full-Time
Tokyo · Custom Software Development · E-commerce Platforms · Est. 2014 · Hiring 4
SUPER STUDIO is a Japanese software company that develops ecforce, an integrated commerce platform for online and offline retailers. The platform is used by more than 1,700 shops, the company has raised over 10 billion yen, and it hires product managers, security engineers, enterprise presales staff and forward deployed engineers. The company is based in Japan.
No named decision-maker yet.
No careers mailbox known
In office (Tokyo, Japan) · Full-Time
TypeScript
JavaScript
Ruby
Ruby
Ruby on Rails
Databases
OpenSearch
Amazon Aurora
AI/ML
Cursor
Claude Code
Claude
Copilot
Gemini
ChatGPT
OpenAI
Frontend
React.js
DevOps
Amazon ECS
Jenkins
GitHub
CI/CD
AWS
Design
Figma
Management
Jira
+13
