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◆ Front End Engineer_React_TypeScrip ◆ Information security assessment and incident response  / Hybrid Work / JLPT N1

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Hybrid

◆ Front End Engineer_React_TypeScrip ◆ Information security assessment and incident response  / Hybrid Work / JLPT N1

G Talent

◆ Front End Engineer_React_TypeScrip ◆ Information security assessment and incident response  / Hybrid Work / JLPT N1

Skills

ReactTypescriptCybersecurityAILinux

11 days ago

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Important information


Contract type:

Permanent

Location:

Tokyo, Japan

Work mode:

Hybrid

Published on:

15 October 2026

What they need


★Front End Engineer (React, Typescript) | Security x Generative AI

  • Japanese: Business Level Required

★Start-up Company

★Flextime & Hybrid Work

★In-house Service

★Annual salary: 4.8 million yen - 7.8 million yen

-------------【About the company】-------------

Based on the philosophy of “creating a society that does not have to worry about cyber security,” the company is engaged in the security business, including various vulnerability assessments, and the system development business.

In system development, it is important not only to diagnose vulnerabilities after development, but also to design with security in mind from the design stage, and to conduct security checks during the development process.

-------------【 Job Description】-------------

▼About the Company

To realize a society that does not have to worry about cyber security, the company provides services such as design and development in system development, vulnerability assessment of web applications, smart phone applications and IoT devices.

In system development, it is important to consider security from the design stage and conduct security checks during the development process, rather than simply diagnosing vulnerabilities after development and feeling relieved.

In the system development business, they are making daily efforts to build a system that can achieve these goals.

The company is also expanding its operations by opening a head office in Kitakyushu and a Sendai office in May 2019, with the goal of creating an environment in rural areas that is as good as Tokyo in terms of salary and benefits, and becoming a U/I turn destination for people from the countryside and young people.

▼Recruitment Background

Based on the philosophy of “realizing a society that does not have to worry about cyber security,” the company provides security services such as various types of vulnerability assessments and system development services.

In system development, it is important not only to diagnose vulnerabilities after development, but also to design with security in mind from the design stage, and to conduct security checks during the development process.

They are working hard every day to realize these goals in our system development business as well.

In addition, the company is expanding its operations with the opening of a Sendai office in May 2019.

Why don't you join and contribute to society by supporting the growth of companies by improving business efficiency through security measures and system development?

You will be able to participate in the start-up phase of a business that is expected to grow rapidly, leading to personal growth!

An environment where you can utilize the latest technology and tools and continue to learn constantly!

You can work in an environment that is as good as Tokyo in terms of salary and benefits!

You can develop in an environment where you can directly receive customer feedback!

▼Attractiveness and atmosphere of the company as a whole

An environment that values and supports the growth of each engineer's technical skills!

An environment conducive to personal growth, as you can participate in the start-up phase of a business that is expected to grow rapidly ◎

A workplace where you can utilize new technologies and tools and continue to learn constantly!

▼Assignment

Kitakyushu Office

Hakata Office

Sendai Office

*You can choose by yourself.

▼Provided PC

Choice of Mac or Windows or Linux

【Position and Responsibilities】

▼Position

Front-end engineer

▼Responsibilities

You will develop systems with security in mind as well as product quality.

The company specializes in web application development using React and

Web application development and maintenance

Requirement hearings and customer negotiations for each core system

System design, development, and testing

Optimization of development process, selection of programming language, development environment, tools, and other technologies

▼In-house Services

System Development

Research and Development

▼Attractiveness and Job Satisfaction

You can develop products that meet the needs of users because you develop in an environment where you can directly receive customer feedback.

You will be involved in the development of innovative security solutions required in the age of generative AI, and you will always have the opportunity to learn and practice the latest technologies.

You can be involved in projects for various industries, such as the consulting industry, the security industry, and the electronics industry, and gain diverse experience.

▼Example of Daily Schedule

10:00 Check e-mail, check tasks

10:30 Code review

11:00 Team MTG

11:30 Code review

12:00 Lunch

13:00 Coding

14:30 Troubleshooting

16:00 Client MTG

17:00 Coding

19:00 Leave the office

-------------【 Requirements】-------------

▼Required Skills

2+ years of working experience in web application design, development and operation (TypeScript, React)

▼Required Languages Skills

Business level Japanese language skills (N1)

English skill is a plus

▼Preferred Skills

Experience in leading overall product design/operation construction and driving projects forward

Ability to read and understand English texts

▼Ideal Applicants

Able to work on continuous improvement with an eye on future operations.

Able to communicate well with other developers and work in a collaborative schedule and team development

Have a sense of responsibility and be able to complete tasks in a planned manner to achieve goals.


【Working Time 】

Flextime System

【 Welfare 】

  • Full social insurance (employment, workers' accident compensation, health, and employee pension)
  • Defined Contribution Pension

【 Holiday 】

  • 2 days a week (Saturday and Sunday)
  • National Holidays
  • New Year holiday
  • Annual Paid Leave
  • Parental Leave
  • Special Paid Leave
  • Congratulations & Condolence Leave
  • Bereavement Leave

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