Japanese - Business
English - None
Ruby on Rails
[100% in-house development] Server-side engineer

99f29dad1b freee

Job Description

Participate in the development team of the fully automatic cloud accounting and payroll software "freee" and lead the server-side software development.

・ Future plans for product and function planning, design, implementation, testing, measurement, improvement,
・ R&D and analysis on new technology and core technology
・ New function planning and development, automation algorithm improvement, UX improvement, new product planning and development, etc.

[Main tools used for development]

Web server side: Ruby on Rails, Go
Web front end: React, Redux, Babel, webpack, Flow, Storybook
Database: MySQL, Redis, DynamoDB
Infrastructure: AWS (ELB, EC2, RDS, S3, SQS, ElastiCache, Redshift, ...), Kubernetes on AWS, Docker, CircleCI, Fluentd, Ansible, HashiCorp Tools, Elasticsearch + Kibana, Elastic Beats, Google BigQuery, Embulk
Development environment: Vagrant, Docker
Mobile: Swift, Kotlin, Objective-C, Firebase (Analytics, Notifications, Remote Config), Bitrise, fastlane, RxSwift, RxJava
Desktop client: Xamarin, WPF
Biz Platform: Salesforce, Apex, Visualforce, Marketo, Pardot, Zendesk, Zuora
AI Lab: Python 3, R, Jupyter Notebook, Zotero, Re: dash, TensorFlow, Keras, scikit-learn
Repository management: GitHub
CI: CircleCI
Automated testing: Selenium WebDriver, Appium
Server monitoring: Mackerel
Error monitoring: New Relic, Bugsnag
Communication: Qiita: Team, Slack, JIRA, WorkPlace by Facebook


【Qualification requirements】
・ Those who are interested in developing their own products and creating value in the world and want to change the world together
・ Development experience involved in medium to large-scale Web applications in a central role

[Available skill]
・ Development experience using Ruby on Rails
・ Deep knowledge of Web front-end development
・ Deep knowledge of databases
・ Knowledge of computer science

■Years of Experience : 3 years


Job Position Web Engineer
Type of Job Full Time
Annual Income 3,600,000JPY ~ 10,000,000JPY
Location Tokyo Head Office
Working Time 8 hours a day due to discretionary labor system
Trial Period Yes

・Saturdays and Sundays
・National holidays
・Paid holidays

What's on Offer

・ Full transportation expenses
・ Social insurance
・ Housing allowance
・ Qualification acquisition support system
・ In-house award system
・ Kanto IT Software Health Insurance Association
・ All-you-can-drink / main payment

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Company Information

freee K.K.

Operation/development of full-automatic cloud accounting and human-resources software

Company Website

Number of Employees


Company Features

No Dress Code
In-house Development
Visa Supporting