CareerPlanSign in

Senior Backend & Platform Engineer (Quality, Security & Reliability) - Cloud Strategy Office, Cloud Management Department (CMD)

Tokyo, Japan💼 Full-time🗓 2026-09-02 → 2026-09-26

Core

Build and operate a production financial platform for internal cloud service providers and buyers, ensuring quality, security, and reliability in an AI-assisted development environment.

Role type

Senior Backend & Platform Engineer (Quality, Security & Reliability)

Builds

Production financial platform including budget simulation, unit-price analysis, automated reports, and multi-cloud cost data

Domain

Cloud Strategy, Financial Data, Platform Engineering

Deliverable

production ML models | product features

Required skills

Python backend engineering, system integrations and API design, CI/CD and automated testing, observability and incident response, security practices (IAM, dependency control), AI code review and correction, technical leadership without management

Preferred skills

GCP services (BigQuery, Cloud Run, Terraform), Flask, DuckDB, Parquet, data pipeline experience, financial product experience

Technologies

Python, SQL, Flask, BigQuery, Google Cloud Storage, Parquet, DuckDB, HTML, CSS, JavaScript, Cloud Run, Cloud Run Jobs, Docker, Terraform, Jenkins, pytest, Ruff, mypy

Responsibilities

Build, modify, test, and operate production backend services and APIs; Own integrations with source systems including authentication and failure handling; Act as technical lead and quality authority reviewing human and AI-generated code; Keep technical debt low through refactoring and documentation; Own CI/CD and automated quality controls; Improve reliability, performance, and observability; Collaborate with finance specialists and data specialists to deliver roadmap capabilities

Seniority

Senior, hands-on IC

Sourced via workday · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.