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Senior Software Engineer (ISE)

Japan, Tokyo-to, Tokyo💼 Full-time🗓 2026-05-08 → 2026-10-07

Core

Design system architecture, develop and optimize code, and ensure system reliability and performance for products and services.

Role type

Senior Software Engineer

Builds

Products, applications, services, and platforms

Required skills

C, C++, C#, Java, JavaScript, Python, system design, performance optimization, debugging, refactoring, observability, incident response

Preferred skills

Master's degree in Computer Science, 10+ years of experience

Technologies

C, C++, C#, Java, JavaScript, Python

Responsibilities

Collaborate with stakeholders to determine user requirements, drive identification of dependencies and development of design documents, create and optimize code to improve performance and maintainability, act as a Designated Responsible Individual (DRI) to guide engineers and monitor system status, proactively seek new knowledge to improve system availability and reliability.

Seniority

Senior, hands-on IC