Software Development Engineer

Date PostedJune 19, 2026LocationOkinawa DC (Okinawa Branch) OCEAN VIEW MANSION 2F, 1-15-2 Kitamae, Chatan-cho, Nakagami-gun, Okinawa PrefectureCompanyLightyear Japan Co., Ltd.SalaryMonthly salary: ¥274,800 - ¥426,500Typeit (embedded software, control systems) - project manager it (embedded software, control systems) - programmer

Job Summary

The position involves working as a Systems Engineer (SE) on diverse projects including embedded systems for communication network equipment and mobility devices. You will handle all aspects of the software development lifecycle, from initial design to final system testing. The development methodology generally follows a waterfall approach, with agile processes implemented depending on specific project requirements.

Responsibilities

  • Software design and system testing
  • Developing embedded systems for communication and mobility
  • Managing project lifecycles from requirement to deployment

Required Skills

  • Proficiency in Java, C++, C, or Python
  • Japanese language fluency (JLPT N1/N2)
  • System engineering experience

Job Details

Job Description Our company develops software in a wide range of IT-related fields, including embedded systems for next-generation communication network equipment and mobility devices, as well as systems for monitoring and controlling them. In this recruitment, you will be involved as a Systems Engineer (SE) in all aspects of software development, from design to system testing. While waterfall development is the mainstream approach, agile development may be used depending on the project. *Scope of changes in duties: As defined by the company. [Working Hours] 9:00 AM - 5:30 PM (Scheduled working hours: 7 hours 30 minutes / Break: 60 minutes) *Flexible working hours Overtime: Approximately 35 hours/month (as of the end of September 2025) [Compensation (Salary, etc.)] Monthly salary: ¥274,800 - ¥426,500 Bonus: Twice a year (July summer, December winter) *Depending on company performance, a year-end bonus (once a year, September) may be paid. Salary increase: Once a year Transportation expenses: Fully reimbursed (within the non-taxable limit) [Holidays/Vacations] Annual holidays: 129 days (Complete two-day weekend system, Saturday) Sundays and public holidays Paid leave: 10 days granted after 3 months of employment Other leave: Company anniversary, bereavement leave [Other] Relocation: While relocation is permitted according to regulations, it rarely occurs in practice Probationary period: 6 months (Flexible working hours are not applicable during the probationary period) Social insurance: Health, welfare, employment, and workers' compensation insurance are provided [Job Requirements] N2 certification, N1 certification ■Required Application Conditions Experience in software development using Java, C++, C, or Python (number of years and development field are not specified) Japanese Level Fluent(JLPT Level 1 or N1)