In-house Web Developer

Date PostedJuly 11, 2026LocationGunma, JapanCompanySun Vertex Co., Ltd. / サンヴァーテックス株式会社SalaryJPY 4000K - JPY 5000KTypeit (pc, web, unix) - programmer it (pc, web, unix) - back-end engineer it (hardware/network) - server and machine operation and maintenance

Job Summary

Perform programming, evaluation tests, and data analysis for in-house smartphone application development. Work in a stable office environment with a focus on C#.net and SQL technologies. This role involves long-term support for internal web applications.

Responsibilities

  • Programming for smartphone applications
  • Conducting evaluation tests
  • Performing data analysis

Required Skills

  • C#.net
  • SQL
  • Japanese N2 proficiency
  • Fluent English (TOEIC 865+)
  • 3+ years software development experience

Job Details

Job Description [Business content] ・Perform programming, evaluation tests, and data analysis for smartphone application development. Working Hours ・9:00-17:45 Job Requirements - Experience in software or app development - 3+ years of work experience - Ability to use C#.net / SQL * Experience using these languages is preferred. Those who can use multiple languages are welcome! - Japanese language proficiency equivalent to N2 - English Level: Fluent (TOEIC 865-) Salary - Hourly Wage: 2,300 yen - Transportation expenses provided - Paid vacation - Complete social insurance coverage - Company housing available *Company regulations apply Holidays - Two-day weekend (Saturdays, Sundays, and holidays) - Paid vacation *Other company calendar Job Contract Period - Temporary staff: Long term (renewal every 3 months)