Back-end / Senior Engineer [Osaka/ Tokyo]

【About the company ...】

Embodying "Face to Face for Each"

The company believes that "human beings cannot live without communication." And economic activities and business are indispensable in building people's lives. That is why the company is committed to continuing to propose solutions to business communication challenges.

The company develops and operates BtoB cloud services based on the theme of "communication," and its most focused service is "Re:iration," an inquiry response tool released in October 2014.

"Re:iration" is a SaaS for BtoB that contributes to improved business efficiency and quality of response by centrally managing multiple communication tools such as e-mail, SNS, and chat, and sharing them with teams.
It is used as an internal and external communication tool by a wide range of organizations, including e-commerce retailers, manufacturers, professional organizations, and others that often respond to customer inquiries, as well as those that have switched from general mailers such as Outlook.
The number of companies that have adopted the system has reached approximately 3,500, and its customers have expanded to include call centers, educational institutions such as universities, and customer support for major companies. The company's customers range in size from a few people to large corporations. The satisfaction rate of the companies that have adopted the system is high, and the retention rate continues to be over 99%.

【 Job Description 】

Responsibilities
You will be involved in all phases of product development, focusing on the development of new features and functional improvements for Re:lation.


You will be responsible for implementation, test code addition, review, verification, and all other aspects necessary for product development in a cross-functional manner.


Confirmation of specifications, performance degradation, investigation of defects, etc.


Technical research, library selection, component I/F and specification determination


Collaboration with PdM and designers, etc.


In most cases, they use an agile development process based on the Scrum framework. Tasks are assigned based on priorities determined by the product owner. In addition, the team regularly reviews and improves the process through a cycle of improvement.


You will also do what is necessary to improve the service and the team, such as hiring, technical research, etc.

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【 Working time 】

9：30～18：30

【Holiday / Vacation】
・125 days off per year
・2 days off per week (Saturday and Sunday)
・National holidays
・New Year vacations
・Summer vacation
・Annual paid leave
　- Paid holidays can be used in 1-hour increments

【Welfare】
・Full social insurances (employment insurance, workers' accident compensation insurance, health insurance, and employee pension insurance)
・Employee stock ownership plan
・Commuting allowance (up to 30,000 yen/month)
・Subsidy for participation in seminars, workshops, and conferences
・Subsidy for book purchases
・Commemorative and condolence money
・Long-service award system
・Benefit One
　- Various benefit services available
　(https://bs.benefit-one.co.jp/bs/pages/bs/top/top.faces)
・Club activities

【Required】
3+ years of working experience developing and operating systems in a team (any language)
3+ years of experience working with applications using RDBMS (approximate 3 years)
Experience developing with backend frameworks (Ruby on Rails, Laravel, Django, Flask, etc.)
Experience implementing test code using testing frameworks

【Preferred】
Experience developing modern front-end libraries (React, Vue.js, Angular, etc.)
Experience from design to release
Experience with DB tuning and SQL optimization
Experience as a development team leader
Experience in business system development (SIer background welcome)

【Ideal Applicants】
Desire to develop functions and systems from specifications
Like to create systems to save time and improve efficiency
Value teamwork to cooperate and respond to tasks outside of their primary responsibilities
Likes to proactively absorb and disseminate new knowledge and information
Have a spirit of challenge and want to expand the possibilities and scope of their own work