KSyntax

IT Consulting · Yokohama

Quiet engineering that keeps business moving.

We automate processes for small and medium-sized companies and carefully maintain systems that are already in production. The technology stack follows the task, not the trend.

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15+
years in IT
9M accounts
largest operated core system
4 banking · public sector · energy · retail
industries

What we do

Services

Work sized to your business and stage. Not a disruptive transformation program, but steady improvements that keep operations running.

01

Business process automation

Orders, billing, inventory, customer management: repetitive manual work can be moved into reliable automation step by step. Python, JavaScript, and cloud services such as Google Cloud are integrated into your existing workflows without unnecessary disruption.

  • — Data integration between internal systems
  • — Automation with external portals, partners, and marketplaces
  • — Automatic report and document generation
02

Maintenance and improvement of existing systems

Internal systems left behind by a former developer, business applications nobody has touched for years, or vendor code that is no longer supported. We read it, document it, stabilize it, and rewrite only what needs rewriting.

  • — Legacy code audit and documentation
  • — Focused refactoring and feature additions
  • — Step-by-step migration to another platform or language
03

Flexible technology choices

We are not tied to one language. From SAP and ABAP to Java, Python, JavaScript, and React, we work with the technology that actually runs your business.

  • — Languages: Python, Java, Groovy, JavaScript/React, ABAP
  • — Databases: MS SQL, Oracle, MySQL
  • — Cloud: Google Cloud, AWS
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About

15+ years of engineering practice for small and medium-sized businesses in Japan.

Experience across finance, public services, energy, and retail, covering the full cycle from requirements and design to development, rollout, and maintenance. KSyntax is registered as a sole proprietorship in Japan and based in Yokohama.

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