Full-flex Remote Software Engineer

Date PostedMay 17, 2026LocationMinato, Tokyo, JapanCompanyLiNKX, Inc.SalaryJPY 5000K - JPY 10000KTypeit (pc, web, unix) - fullstack engineer it (pc, web, unix) - back-end engineer

Job Summary

We are seeking a Software Engineer to join our FinTech team, focusing on proactive digital transformation through cutting-edge technologies like Cloud and Generative AI. You will work in small, agile teams to deliver innovative financial products, from conceptual design to deployment. The role offers full-flex working hours and the opportunity to utilize modern tech stacks like Java, Kotlin, Go, and AWS.

Responsibilities

  • Develop and maintain software solutions
  • Participate in technology and architecture selection
  • Perform software testing, debugging, and upgrades
  • Create high-level APIs and technical documentation
  • Collaborate in agile project teams

Required Skills

  • 3+ years software engineering experience
  • Proficiency in Java, Kotlin, Go, or C#
  • Experience with Spring, Vue.js, or .NET
  • Business-level Japanese (N2+)
  • Cloud infrastructure knowledge (AWS/GCP/Azure)

Job Details

Job Description - Collaborate with the development team to develop software solutions - Participate in technology selection, including frameworks and programming languages - Transfer selected technologies and the architectures you've built - Product development support and in-house solution implementation - Develop and manage functionally superior systems, databases, and applications - Create high-level APIs and code conventions - Software testing - Software troubleshooting, debugging, and upgrades - Understand and apply best practices for security and data protection - Create technical documentation Development Environment - Languages: Java, Kotlin, JavaScript, TypeScript, Go, C#, etc. - Frameworks: Spring, Vue.js, Nuxt.js, .NET Framework, etc. - Infrastructure: AWS, GCP, Azure Project Structure - Project teams are small, consisting of 5-8 people. - Utilize agile development methodologies. - Scope includes specification understanding, design, implementation, testing, and deployment. Working Hours - Full flextime system (no core time). Job Requirements [Application Requirements] - Experience with one of the following frameworks or languages: Spring (Java or Kotlin), Vue.js, Nuxt.js, Quasar, Go, or C# .NET/ASP .NET. - 3+ years of experience as a software engineer or similar role. - Business-level Japanese (N2 or above) for foreign nationals. [Preferred Requirements] - Experience using AWS, GCP, or Azure. - Team development experience. - Conversational English. - Experience with new product development projects from the concept stage. [Desired Profile] - Excellent communication skills and a strong desire to work as a team.