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​SERVICES

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​Web Production

Personal/Corporate/Service/Brand Site/Domestic EC

Cross-border EC/Recruitment/Landing page/Owned media

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​Mobile/WEB App 

​iOS App/Android App/Web App/Cross Platform App

Progressive Web App/Hybrid App

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​Business App

CRM/SFA/HRMS/QMS/FAS/PMS

Sales Management System/Attendance Management System 

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DX

ERP package/RPA/SFA/MA Tool/Task Management Tool

Project Management Tool/File Sharing Tool/Workflow System

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​Software Testing

​Manual Test/Automatic Test/Security Test/Performance Test

Integration Test/Functional Test/Ad-hoc Test/Cloud test/API Test/Database Test

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​System O&M

​Monitoring/Backup/Server reboot/Batch application/Vulnerability response/Maintenance​/Root cause analysis/Fault recovery/Data recovery ​

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IT Consulting

Security Consulting/Software Testing Consulting/Technical Consulting /SAP Consulting/WEB Site Consulting /Ecommerce Consulting

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Design

​Web Design/Blog Design/UI Design/UX Design/Brand Design

Icon Design/Graphic Design/3D Art/Illustration​​

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Marketing

SEO Measures/SEM Measures/WEB Marketing/SNS Marketing

E-mail Marketing/Retargeting/Ad Network/Affiliate Advertising

​Tech Stack

​Front-end

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Angular
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TypeScript
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Bootstrap
​Sass/SCSS
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​Webpack

​Back-end

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Ruby on Rails
Django
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Python
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Express.js
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ASP.NET
React Native

Databases

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​My SQL
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MongoDB
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PostgreSQL
Redis
SQLite

Mobile App 

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Swift
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Flutter
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Kotlin
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UIKit 

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Android SDK

DevOps

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Docker
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Jenkins
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GCP
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Kubernetes
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AWS
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Azure

Other Frameworks 

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Flask
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Unity
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Electron
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TensorFlow
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Git

​Tech Stack

Our Development Process

First, please click on the service you would like to request from the list of services above and select the date and time of your meeting.  Alternatively, we will contact you by phone or e-mail after hearing your request through the inquiry form.  The development cost and time frame will vary depending on the details of your request, so please feel free to contact us first.

​Development process

照らされた抽象的な形
ライトストローク

​1

Requirements
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2

Design

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​3

​Development

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​4

Verification

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​5

Deployment

​Client reviews

​E-commerce

Mr Yamashita

I had some meeting with a few system development  companies before but I could not communicate with them due to confusing explanation by technical term. In regards to this point, Crenos inc’s explanation was easy to understand and thank you for prompt action until the end. I'm looking forward to the next project with Crenos Inc.
​

Chiropractor Online Booking

​Mr Mizouch

As well as the high level of technical skills, I was also impressed by prompt response and the detailed hearings. First, they interviewed us about the background of the system implementation, and then worked with us to identify elements to solve the current issues, so we were able to create a better system than we had originally planned.
​Coming soon
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