In-vehicle Software System Engineer

Date PostedMay 17, 2026LocationAtsugi City, Kanagawa Prefecture, JapanCompanyFujisoft Co., Ltd.SalaryJPY 4500K - JPY 9500KTypeit (embedded software, control systems) - programmer it (embedded software, control systems) - software architecture it (embedded software, control systems) - project manager

Job Summary

The In-vehicle Software System Engineer will develop IVI (In-Vehicle Information and Entertainment Systems) and EV-related functions. You will act as a bridge between overseas suppliers and internal teams, requiring strong English communication for specifications, negotiations, and scheduling. This role offers the opportunity to work with next-generation connected car technologies.

Responsibilities

  • Design IVI functional specifications
  • Negotiate and coordinate with overseas suppliers
  • Manage project schedules and technical requirements
  • Create technical documentation in English

Required Skills

  • Business-level English (TOEIC 735+)
  • Japanese N2 proficiency
  • Software development experience
  • Automotive industry/CAN knowledge preferred

Job Details

### Job Description Recommended for those who want to utilize their practical English skills in software development! You will develop in-vehicle software while communicating in English with overseas departments and suppliers. You will be fully competent in English, not only in creating specifications but also in meetings, specification adjustments, and negotiations with related departments and suppliers. - Functional specification design for IVI (In-Vehicle Information and Entertainment Systems) - Main target functions: EV-related functions - Specifications adjustments, negotiations, and schedule adjustments with related departments and suppliers, including overseas (English) - Specifications creation (English) - Responding to market demands - Other ancillary tasks You will develop specifications for IVI functions and coordinate with related departments and suppliers to realize product integration. Since you will be working collaboratively with overseas departments and suppliers, communication and documentation in English is essential. ### Working Hours - Standard workday: 7 hours and 30 minutes. - Flexible working hours (no core time). Standard: 9:00 AM - 5:30 PM (60-minute break). - Overtime and holiday work available. ### Job Requirements [Required Qualifications] - English skills (business-level communication and documentation) - Software development experience (any language) [Preferred Qualifications] - Basic automotive knowledge - Knowledge of CAN communication - Experience using CAN tools (CANoe, CANAlyzer) - Experience developing in-vehicle controllers - Project management experience - Experience coordinating and negotiating with related departments ### Language Requirements - English Level: Business Conversation Level (TOEIC 735-860) - Japanese Level: Business Level (JLPT Level 2 or N2) ### Benefits and Holidays - Full two-day weekend (Saturday and Sunday), Public holidays, Summer vacation, New Year's holiday (125 days/year). - Health Insurance, Employee Pension, Workers' Accident Compensation, Employment Insurance. - Retirement Benefits, Employee Savings, Childcare and nursing care leave. - Probationary period: Six months.