Simplex Holdings

IT Consulting · Minato, Tokyo

Simplex Holdings provides technology consulting and systems through its group businesses. It serves banks, securities firms and insurers, with services for financial operations and platforms for foreign exchange and crypto asset trading.

The group also supports construction, manufacturing and public-sector customers with business and technology transformation. Its work extends from project planning and consulting into system implementation, drawing on industry knowledge to address financial and other operational requirements.

Salary range
¥6M – ¥17M
Median
¥7M – ¥15M
Most requested
Common areas
  • UI/UX design 2
  • Frontend engineering 1
  • Project management 1

Measured from the 5 listings Ranked has live for Simplex Holdings. Japanese level, visa signal and skills are AI-graded from each posting and can be wrong — confirm against the employer's original posting before applying.

5

Full-time

Japanese?

UI/UX

UX Design

Consulting

UI Design

Experience designer in an IT firm's UX design office, researching and designing UX for client systems and carrying projects through development, plus growth work on an in-house SaaS.

Full-time

Japanese?

Cloud

AWS

Azure

Terraform

Design and build AWS and Azure cloud platforms for client projects, from on-premise migrations to cloud-native and data-analytics systems, using IaC, containers and monitoring.

Full-time

Japanese?

Project Mgr

Fintech

Consulting

Bonus

Manage system projects worth several hundred million yen from consulting to maintenance, mainly for banks, securities firms and FX providers, owning scope, schedule, cost and client relationships.

Full-time

Japanese?

UI Design

UI/UX

Art Dir

Graphic

Lead visual and UI design for web and mobile apps in Simplex's in-house design office Alceo, from CX/UX concept work through design systems, prototyping and user testing.

Full-time

Japanese?

Frontend

JavaScript

HTML/CSS

React

Frontend engineer dedicated to a UI/UX design office, choosing technologies, designing systems and implementing detailed UI and interactions in agile client projects.