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Jobs→SocioFuture株式会社→Senior Backend Engineer / New In-House SaaS Development | Aim for Full Stack, Tech Lead, or PM! Lead Backend Engineers for 'Kurashi SaaS' Development - New Products Supporting a Secure and Convenient Life (B2B/B2C) | Engineer-Specific Evaluation System Available

Senior Backend Engineer / New In-House SaaS Development | Aim for Full Stack, Tech Lead, or PM! Lead Backend Engineers for 'Kurashi SaaS' Development - New Products Supporting a Secure and Convenient Life (B2B/B2C) | Engineer-Specific Evaluation System AvailableEnglish summary from Japanese

SocioFuture株式会社

✓ Detailed
Salary
6,290,000 JPY - 8,730,000 JPY
Apply on FINDY

Role summaryEnglish summary from Japanese

English summary for screening — check the original posting before applying.

Seeking a Senior Backend Engineer to lead new in-house SaaS development ('Kurashi SaaS'). You will work closely with the CTO, focusing on backend development while having opportunities to expand into full-stack, infrastructure, and potentially Tech Lead or PM roles.

Must-haves

  • 5+ years of backend development experience using Java
  • Experience in new scratch development
  • Ability to guide team members

Nice-to-haves

  • Experience in in-house product development
  • Experience with Agile/Scrum development
  • Experience with code reviews
  • Experience with client negotiation/upstream design

Tech stack

JavaQuarkusTypeScriptReactMySQLPostgreSQLOracleAWSGitGitHub

Work style

Onsite in Tokyo (2-3-2 Odaiba Frontier Building, Odaiba, Minato-ku, Tokyo). Remote work is also available as a benefit.

Other notes

Monthly Salary: ¥410,000 - ¥552,000. Bonus twice a year. Includes overtime work (average 20 hours/month).

About the Company

SocioFuture株式会社

Headquarters
東京都港区浜松町1-30-5
Posted6/18/2026
Sourcefindy