◆ Software Engineer (Full Stack/Backend) ◆ FinTech, Pharma Tech, Social Tech / Hybrid Work / JLPT N1
- Hiring from
- Japan
- Work type
- Hybrid
- Posted
- Sep 16, 2026
★ Software Engineer (Full Stack/Backend) | Sales tech SaaS company
- Business Level Japanese Required
◆ Flextime & Hybrid Work
◆ Start-up Company
◆ Global Environment
◆ Annual Salary: 5.5 million ~ 11 million yen.
-------------【About the company】-------------
◆Leveraging their extensive expertise and broad experience in digital financial product development, the company powerfully supports client product development in three key areas:
①Core Banking System Development Support
②FinTech Service Development Support (including app development and API solutions)
③In-house System Development Support and Consulting
Through these, they provide high-quality FinTech solutions that meet a wide range of client demands.
◆Integrated Chemical Calculation Platform: This platform integrates and links multiple chemical calculation tools, including molecular modeling, onto a single interface. It significantly boosts the efficiency of research work. With its advanced data management system, all chemical calculation results can be saved, shared, and utilized directly within the platform.
◆QR Navigation System for the Visually Impaired: This system assists visually impaired individuals in safely navigating train stations and other indoor environments. By scanning a QR code displayed on a tactile paving block with a smartphone camera, using the dedicated "shikAI application," the system accurately determines the route from the current location to the destination and provides voice-guided navigation. It has already been implemented in some Tokyo Metro stations and Tokyo's Toshima Ward, and is now also available for non-visually impaired users.
-------------【 Job Description】-------------
The company is expanding its FinTech business and is actively growing its team to strengthen digital product development. They offer FinTech solutions across these three key areas:
■Core Banking System Development Support
■FinTech Service Development Support (including app development, API solutions, etc.)
■In-house System Development Support and Consulting
As a Software Engineer in the FinTech sector, you'll be responsible for the following:
・Collaborating with the development team to devise software solutions.
・Participating in technology selection, including frameworks and programming languages.
・Facilitating knowledge transfer of chosen technologies and built architectures.
・Supporting product development and implementing in-house solutions.
・Developing and managing functionally superior systems, databases, and applications.
・Creating high-level APIs and idiomatic code.
・Testing software.
・Troubleshooting, debugging, and upgrading software.
・Understanding and applying best practices in security and data protection.
・Creating technical documentation.
Development Environment
・Language:Java, Kotlin, JavaScript, TypeScript, Go, C#, etc.
・FW:Spring, Vue.js, Nuxt.js, .NET Framework, etc.
・Infrastructure:AWS, GCP, Azure
-------------【 Requirements】-------------
【Required 1】
Experience with one of the following frameworks or languages:
- Spring (Java or Kotlin)
- Vue.js or Nuxt.js or Quasar
- Go
- C# .NET, ASP .NET
Proven track record as a software engineer or similar role (3+ years)
Business level Japanese (N2 or above) *For foreign nationals
【Preferred】
・Experience with AWS, GCP, Azure
・Experience in team development
・Daily conversational level of English
・Experience with new product development projects (experience participating in projects from the conceptual stage)
【Required 2】
■Senior Level
・5+ years of experience with one of the following frameworks or languages, 3+ years with two
- Spring (Java or Kotlin)
- Vue.js or Nuxt.js or Quasar
- Go
- C# .NET, ASP .NET
■Middle Level
・2+ years of the following languages
- Spring (Java or Kotlin)
- Vue.js or Nuxt.js or Quasar
- Go
- C# .NET, ASP .NET
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【Holidays】
・Saturday/Sunday/National Holiday
・Annual Paid Leave
・New Year Holiday
・Parental Leave
【Welfare】
Super Flextime System
Comprehensive Social Insurance: Employment, Workers' Accident Compensation, Health, and Employees' Pension.
Commuting Allowance
Late-Night Work Allowance
Book Purchase Support
Technical Qualification Acquisition Support
Provision of Optimal Devices
Summer Vacation (3 days), Year-End and New Year Holidays, Other Leaves (5 days of sick/injured paid leave), Childcare and Family Care Leave, Marriage Leave, Childbirth Leave.
■Office Attendance
Once every two weeks
*First Week of Employment: Daily office attendance.
*Weeks 2-4 of Employment: At least once a week in the office.
*From Week 4 Onwards: Hybrid work model, with frequency depending on your assigned project.
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