Backend Engineer Tokyo

Date PostedMay 19, 2026LocationTokyo, ShinjukuCompany株式会社MOL CAREERSalary4.5 million to 6.5 million yenTypeit (pc, web, unix) - back-end engineer

Job Summary

As a digital transformation partner, you will participate in ongoing system development projects, primarily focusing on back-end development. Your responsibilities range from architecture design, API and database design to implementation, testing, and release. You will also have opportunities to work on cloud infrastructure and CI/CD pipelines.

Responsibilities

  • System architecture and API design
  • Database and DDD design
  • Implementation, testing, and release
  • Cloud infrastructure and CI/CD maintenance

Required Skills

  • 1+ years Backend experience (Java/Spring or C#/.NET)
  • Business level Japanese (JLPT N2+)
  • AWS or Azure experience
  • Scrum development experience

Job Details

■ Job Description As a digital transformation partner for client companies, you will participate in ongoing system development projects, primarily responsible for back-end development. You will be responsible for a wide range of tasks, from system architecture design, external system integration method considerations, API design, database design, and DDD design, to implementation, testing, and release. You will also have the opportunity to tackle cloud infrastructure construction (focused on PaaS) and CI/CD pipeline construction. Upon request, you may also be asked to handle front-end development. *Clearance of legal changes to job duties: Job duties may change in the future. Details will be provided during the interview. Working Hours 10:00 AM - 7:00 PM *8 hours of work, 1 hour break (Work schedule options available) Job Requirements ●Required Requirements - 1+ years of experience as a backend engineer developing web applications using Java/Spring or C#/.NET ●Preferred Requirements - Experience developing using AWS or Azure - Experience in customer support and requirements coordination - Experience with Scrum development - Experience with business modeling, architecture design, and CI/CD English Level None Japanese Level Business Level(JLPT Level 2 or N2) Salary Description Salary will be determined based on experience and skills. (Salary increase once a year, bonus twice a year) Monthly salary system, base salary: ¥300,000 and up Social insurance provided Holidays - Full 2-day weekend (Saturdays, Sundays, and holidays) - Golden Week - Summer vacation (5 days) - New Year's holiday - Winter vacation (2 days) - Paid vacation - More than 120 days of annual holidays, special leave for special occasions *Shift work may be available depending on the department Job Contract Period Full-time employment (indefinite term) Retirement age: 60 Nearest Station - 8-minute walk from the West Exit of Shinjuku Station on the JR, Odakyu, and Keio Lines - Direct access to the underground passageway via the C13 connecting passage at Nishi-Shinjuku Station on the Tokyo Metro Marunouchi Line - 4-minute walk from Exit A1 of Tocho-mae Station on the Toei Oedo Line