If you’re a Software Engineer who wants to work on modern systems with real scale and complexity, this is worth a look.I’m supporting a fast-growing FinTech engineering company building mission-critical platforms for some of Japan’s largest financial institutions.You could work on:Digital banking and financial API platformsLarge-scale payment systemsCore banking modernizationCloud-native microservices from the ground upTech stack:Java / Kotlin / Spring, Go, C# / .NET, TypeScript, Vue.js, GCP, Azure, KubernetesWhat makes this role attractive:Build new systems, not just maintain legacy codeWork on complex, high-impact financial infrastructureGet involved in architecture and system designStrong exposure to backend, cloud, APIs, security, and distributed systemsModern engineering practices and international-standard developmentFlexible hybrid work with no fixed office attendanceFull flex with no core hoursUp to ¥15MTokyo / Flexible HybridBusiness-level Japanese