Portal Site, App Development | Full Stack Engineer [AI/ML Infrastructure] | Listed Company / Fully Remote Work

★Full Stack Engineer (Electronic Contract Service) | Portal Site, App Development

• Business Level Japanese Required

◆ Fully Remote Work

◆ Listed Company

◆ In-house Products/Services

◆ Great Welfare

◆ Annual salary: 7 million yen - 16 million yen

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

The company's philosophy is to create a society where people all over the world can freely utilize "wisdom to live better = intellectual information" and to create a society where people can live happily.

It provides a wide range of services, including different portal sites and the Web-based cloud contract service.

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

【About the Service】

The service is a Contract Management Platform that enables contracts to be seamlessly and entirely digitized, from execution to management and AI review. It allows for smooth and secure contract execution through electronic signatures and time stamps compliant with the Electronic Signature Act. In 2023, it became the first general-purpose electronic contract service in Japan to launch a 'My Number Card Signature' feature. Furthermore, by actively adopting AI technology, such as AI contract management and AI review support services, it achieves overall time reduction in contract operations. It is the No. 1 service in the electronic contract market, widely adopted by companies and local governments.*

*Source: Fuji Chimera Research Institute, Inc., "Software Business New Market 2023 Edition" (Electronic Contract Tool FY2022 results), Market Share.

【Introduction to the Recruiting Department】

・Product Engineering Division, Engineer Team

This team is responsible for the development of the Contract Management Platform. They drive product development, including new products, feature development, and feature improvements, by collaborating with the business division.

【Recruitment Background】

The company's electronic contract service, which holds the number one market share in Japan, has surpassed 2.5 million client companies implemented. It is powerfully driving the digitalization of Japanese society and leading the electronic contract market.

While the service has established a firm position in the area of "contract execution," the company's ambition extends beyond mere contract execution to the "DX (Digital Transformation) of the entire transaction process."

Under the mission of "Make transactions simpler. Make business smarter," they have entered a new phase of development. They now aim to support the entire transaction process digitally—from secure and safe contracting to ordering, receiving, inspection, invoicing, and payment—to accelerate their customers' business evolution.

To further accelerate this significant business growth, strengthening the engineering organization is essential.

Therefore, the company is recruiting a Full Stack Engineer to leverage their extensive development experience and contribute to strengthening the foundation that supports the product, resolving technical debt, and advancing the technical strategy from a high-level perspective.

【Your Role】

You will be responsible for development within the Contract Management Platform.

You will tackle technical challenges associated with business growth, in addition to development duties such as various product/feature development related to electronic contracts and transaction processes, architectural improvement, and security enhancement. Furthermore, it is expected that you will gain a complete understanding of the service and then specialize in a particular domain, where you will technically lead the team.

【Responsibilities】

・Service requirements definition, design, and implementation.

・Project promotion to ensure smooth releases.

・Refactoring.

・Code review.

・Support for Customer Support.

・Service improvement and operation.

・Improvement and optimization of business processes.

Based on their aspirations, you can also be involved in the following tasks:

・Resolution of technical challenges, long-term technical selection, and formulation/execution of technical strategy.

・Development leadership.

・Talent development (promoting member growth from a technical perspective).

■Development Structure and Methodology

Product development is carried out by Scrum teams composed of members spanning various functions, including engineers, designers, and PdMs (Product Managers).

Each team is organized with about 10 members and proceeds according to its respective development theme, such as feature development or engineering improvement (backend/frontend).

【Development Environment】

Backend: Go/Revel/gorilla/gorm

Frontend: Vue.js/Nuxt.js/JavaScript/TypeScript/jQuery/Sass

Infrastructure: AWS (ECS, RDS, Lambda, S3, Redis, SES, SNS, SQS, ELB, etc.)

Database/Data Store: Aurora

Project Management: JIRA

Source Code Management: GitHub / GitLab

CI/CD: GitHub Actions / GitLab CI / AWS CodeDeploy

Information Sharing: Slack/Google Workspace/esa.io

Development AI: Cursor/ClaudeCode/GitHub Copilot, etc.

■ Work Environment

MacBook Pro

Preferred Editor (paid options acceptable)

【Position Highlights】

・Contribution to the digitalization and productivity improvement of Japanese society through the development of a product adopted by over 2.5 million companies.

・Gaining experience in pioneering the electronic contract market, driving the DX of transactions, and creating a new standard for society.

・Acquiring development experience under high security standards, as the product was the first electronic contract service to be registered with ISMAP (Information System Security Management and Assessment Program for government information systems).

・The opportunity to challenge highly advanced technical issues by participating in the development of new products/features and the construction of systems to handle continuously increasing traffic.

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

■Required

Experience developing web applications using modern technologies (5+ years)

Experience working on a single product for one year or more

■Preferred

Experience developing in-house services

Experience implementing and operating products requiring high-level security

Experience in roles such as development team leader or Tech Lead

Experience as a Scrum Master or Agile Coach

Experience developing and managing team members

■Ideal Applicants

Flexible enough to move beyond fixed roles for the team's benefit

Demonstrates a desire to learn and intellectual curiosity about new things

Takes initiative to improve services

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【Welfare】

■Housing Allowance: An allowance of up to ¥30,000 is provided to employees whose home is located less than 2km (straight-line distance) from the company office.

■Employee Stock Ownership Plan

■Defined Contribution (DC) Pension Plan

■Club Activity Subsidy System: Various clubs are organized internally to deepen interaction among employees. The company provides a partial subsidy for activity expenses when employees belong to a circle and actively participate.

■Regular Social Gatherings: To foster employee interaction, the company hosts gatherings such as a Beer Bash (held internally on a Friday once a month) and General Employee Meetings (held at an external venue with all employees present).

■Shuffle Lunch: To deepen employee interaction, once a month, the company subsidizes lunch for groups of 4-5 randomly selected employees. The company provides a subsidy of ¥1,500 per person for the lunch expense.

■Resort Support System: A system allowing employees to stay at a private, membership-based resort hotel, with access to diverse facilities such as hot springs, sports, and restaurants.

■Internal Commendation System: A system used during General Employee Meetings to recognize employees who embody excellence and serve as role models (e.g., MVP awards).

■Real Estate Brokerage Fee Discount: Employees relocating receive a discount on brokerage fees if they use the real estate agency with which the company has a corporate contract.

■Babysitter Expense Subsidy: Expenses are subsidized for employees who need to use a babysitter to attend internal events, starting with the regular social gatherings.

■Book Purchase System: The company covers the cost of purchasing books, provided certain conditions are met.

■Side Jobs (Fukugyo) Allowed: Side jobs are permitted upon approval.

■PC Provision: The standard PC provided is a MacBook Air. (MacBook Pro is provided to creative roles such as engineers and designers.)

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