position :
Tech Lead / Senior Software Engineer
salary :
¥7M–15M (based on experience)
language :
Japanese (Business level / JLPT N2 required) or English
remote :
Hybrid / Remote-friendly
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About the Company
This company is a fast-growing AI-driven EdTech SaaS provider whose mission is to make "learning and memory a part of everyday life.
"They develop a unique learning platform focused on memory retention, used widely by educational institutions and large enterprises across Japan.
With a strong engineering culture and a product that leverages AI to visualize and enhance memory-related learning, the company continues to scale rapidly in the education technology space.
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━About the Role
You will serve as a Tech Lead for the company's core learning platform.
Responsibilities include leading complex development initiatives, collaborating with cross-functional teams, and driving technical decisions that shape the platform's future.
This role provides the opportunity to tackle large-scale challenges in an emerging domain while working alongside highly skilled engineers, including members with global tech-company backgrounds.
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━Development environment
Backend:
Scala (Play), C++
Frontend:
TypeScript, React, Redux
Mobile:
Kotlin, Swift, C++
Infrastructure:
GCP
Database:
MySQL
Version Control:
GitHub
Communication:
Slack
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Position
Full-time Senior Software Engineer / Tech Lead
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Salary
¥7,000,000 – ¥15,000,000 per year
(12 equal monthly payments)
Stock options and sign-on bonus may be provided depending on the grade at the time of joining.
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Qualifications
Required:
Degree in Computer Science or related field, or equivalent practical experience
5+ years of software development experience
Excellent communication skills in Japanese (N2 or above, business level required) or English
Preferred:
Experience leading development teams or projects
Strong interest in building software related to learning or memory
Experience in one or more of the following:
Large-scale web development using TypeScript
Mobile app development (Android/iOS) with deep technical knowledge
Backend development using Scala
Product development using C++
Personal qualities:
Humble and collaborative
Strong motivation for continuous learning
Flexible and proactive approach to problem solving
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Work environment
Flexible working hours (10:00–19:00 as a guideline; discretionary labor system)
Remote work available
Office located in central Tokyo (hybrid work style)
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Holidays and Leave
Full 5-day workweek (Sat/Sun off)
National holidays
Year-end/New Year holidays
10 days of paid leave granted upon joining
Other leave provided according to company policy
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Allowances and Benefits
Stock option program
Commuting allowance
Book purchase support
Free drinks in the office
Full social insurance (employment, workers' comp, health, pension)
Financial support for external training programs
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