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Full time

¥ 5,000,000 Yearly ~ ¥ 15,000,000 Yearly

English: Business
Japanese: Conversation

Working Hours: Flexible working hours (no core hours) Break Time: At least 45 minutes for shifts over 6 hours, and at least 60 minutes for shifts over 8 hours

Software Engineer (Mid-Level to Senior) FinTech / Cloud-Native / Mission-Critical Systems Our client is an engineering-first technology company with a highly international team and a strong reputation for modernizing complex, business-critical systems. They are currently hiring mid-level to senior software engineers to support the development of next-generation financial platforms and large-scale system modernization projects. This is a strong opportunity for engineers who want to work on meaningful systems using modern technologies, while contributing from design through delivery in a collaborative, high-caliber environment. What You’ll Be Doing

• Develop and maintain high-quality software, APIs, and applications
• Contribute to system design, implementation, testing, and deployment
• Work on modernization and new development projects in the FinTech domain
• Collaborate with strong engineering teams in cloud-native environments
• For senior candidates: lead technical decisions, architecture design, and mentoring

Tech Environment

• Languages: Java, Kotlin, JavaScript, TypeScript, Go, C#
• Frameworks: Spring, Vue.js, Nuxt.js, .NET / ASP.NET
• Cloud: AWS, GCP, Azure
• Practices: Agile, cloud-native architecture, microservices, API development

Requirements Mid-Level

• 3+ years of software engineering experience
• 2+ years using one or more of the following:
  • Spring (Java/Kotlin)
  • Vue.js / Nuxt.js / Quasar
  • Go
  • C# / .NET / ASP.NET
• Business-level Japanese

Senior

• 7+ years of software engineering experience
• Experience leading teams or acting as a technical lead
• Strong hands-on expertise in at least two major languages/frameworks
• Strong cloud and architecture experience
• Japanese not required but ideal

Why Consider This Role?

• Work on mission-critical financial systems
• Join an engineering-led, international team
• Gain exposure to modern cloud, API, and architecture work
• Contribute beyond coding, including design and technical decision-making
• Clear progression into Tech Lead, Engineering Manager, or Specialist paths

Compensation

• Mid-Level: ¥5M – ¥10.5M
• Senior: ¥9M – ¥15M

Working Style

• Hybrid work
• Flexible hours with no core time
• Salary reviews twice per year