Web Server-side Engineer

Date PostedJune 3, 2026LocationTokyo, JapanCompanybloomtech.incSalaryJPY 5000K - JPY 9000KTypeit (pc, web, unix) - web application se it (pc, web, unix) - back-end engineer it (hardware/network) - server architect and developer

Job Summary

We are seeking a server-side engineer to participate in diverse client projects including API development, system design, and maintenance. You will work on various applications and web services, utilizing technologies like Java, C#, or Go. This role offers the opportunity to gain diverse technical expertise across multiple industries and top-tier client projects.

Responsibilities

  • Design and develop server-side systems and APIs
  • Perform system testing, maintenance, and troubleshooting
  • Implement integrations with external systems and BI tools
  • Optimize application performance

Required Skills

  • 3+ years professional work experience in Japan
  • 2+ years experience in Java, C#, or Go
  • Proficiency in database management (RDB, NoSQL)
  • Business level Japanese (JLPT N2)

Job Details

■Job Description Your responsibilities will involve system development as a server-side engineer, including API development for various services, external integration, and BI tool implementation. - System design/development/testing/operation and maintenance of various services (applications, web services, e-commerce sites, etc.) - Core system design/development/testing/operation and maintenance for various industries - Design/development/testing/operation and maintenance of integration with external systems - CMS development - Troubleshooting of services and applications (detection/recovery, root cause analysis, recovery) - Programming speed optimization, etc. ■Job Requirements - 36 months of recent work experience at a Japanese company - 24 months of Java development experience in Java, C#, or Go development projects within the last 3 years - 24 months of detailed design experience within the last 3 years - 18 months of Java framework experience within the last 3 years - 18 months of experience in software design, development, or operation using databases (RDB, NoSQL) - Japanese Level: Business Level (JLPT Level 2 or N2) ■Working Hours 9:30 AM - 6:30 PM (Break time: 12:30 PM - 1:30 PM, Actual working hours: 8 hours) May vary depending on the assigned project. ■Benefits - Comprehensive social insurance (employment, workers' compensation, health, and pension) - Commuting allowance (up to 50,000 yen per month) - Job allowance and Position allowance - Qualification acquisition support system - Health checkup and Life plan allowance - Incentive system - Childbirth and childcare allowance - Resort and facility discounts - Club activity subsidies - Medical subsidy program - Various training programs (Business manners, Skills improvement, OJT) - Book purchase system - Relocation support ■Holidays - 127 days of annual leave - Complete two-day weekend (Saturday and Sunday) - Public holidays, Year-end and New Year holidays, Summer holidays - Bereavement, Paid, Maternity, Childcare, and Caregiver leave