I am hiring a Senior Backend Engineer for a Japanese fintech group that provides the technology infrastructure behind digital banking, securities, insurance, credit, and investment services. Rather than developing a single financial product, the group partners with major financial institutions and large enterprises to design, launch, and operate new financial services. Its work covers product strategy, UI/UX, architecture, engineering, data utilization, and post-launch growth. This role sits within a high-impact fintech solutions team responsible for the full delivery lifecycle, from business requirements and architecture design to development, release, and production operations.
What you will do • Design and develop backend systems for digital financial services • Translate business requirements into scalable technical solutions • Select appropriate architectures and technologies • Review code and improve engineering quality • Build and operate cloud infrastructure on AWS • Communicate with clients and assess technical feasibility • Handle production operations and incidents • Mentor engineers and support team development
What we are looking for • Backend development experience using Go or another statically typed language • Experience building and operating web applications • AWS or other public cloud infrastructure experience • Knowledge of database, network, and system performance optimization • Secure coding and automated testing experience • Container-based development and operations experience • Business-level Japanese
Why consider this role? • Build systems supporting major financial institutions • Own projects from requirements through production • High autonomy over architecture and technical decisions • Open engineering culture with access to code and design documents across teams • Flexible remote work and working hours • Stock options, employee share program, and visa support