Job title: Cloud Infrastructure Engineer
Job type: Permanent
Emp type: Full-time
Industry: IT & Telecommunications / IT・通信
Functional Expertise: Others / その他
Salary: Negotiable
Location: Minatoku, Tokyo, 106-0032
Job published: 2026-07-13
Job ID: 73793

Job Description

Cloud Infrastructure Engineer

About the Company

A rapidly growing FinTech company in Japan is building innovative digital financial services that make investing and asset management more accessible through mobile-first technology.

The company is expanding its engineering organization and looking for talented engineers who are passionate about designing secure, scalable cloud infrastructure and creating products that have a meaningful impact on users' daily lives.


Job Description

The engineering organization is expanding its global team to build the next generation of cloud-based financial services.

As a Cloud Infrastructure Engineer, you will collaborate closely with software engineers, security engineers, QA engineers, and product teams to design, build, and operate highly available cloud infrastructure supporting business-critical applications.

This role provides an opportunity to become a key member of a growing engineering organization and contribute to building modern cloud platforms from the ground up.

Please note: This position is open to candidates currently residing in Japan.


Highlights of the Opportunity

  • Build and improve a growing engineering organization and cloud environment
  • Work on large-scale infrastructure supporting millions of users
  • Collaborate with talented engineers across different teams
  • Influence architecture and technical decisions
  • Gain experience with modern cloud technologies in the fintech industry
  • Flexible hybrid working environment

Responsibilities

  • Design and build robust, scalable, and highly available cloud infrastructure
  • Develop infrastructure that enables smooth maintenance, patching, and upgrades with minimal downtime
  • Design AWS infrastructure with regional-level fault tolerance
  • Collaborate with security teams to build secure infrastructure
  • Automate AWS deployments to enable faster delivery of cloud services
  • Create self-service solutions that allow developers to easily provision AWS resources
  • Improve infrastructure reliability, scalability, and operational efficiency

Required Qualifications

  • 5+ years of experience designing and building AWS-based infrastructure solutions
  • Experience managing production infrastructure for high-traffic and business-critical systems
  • Strong understanding of cloud security best practices and compliance standards
  • Experience with production incident management and cross-functional collaboration
  • Hands-on experience with AWS Compute, Storage, and Analytics services
  • Experience with Infrastructure as Code tools such as Terraform
  • Experience with Linux system administration
  • Experience with cloud monitoring, detection, and response
  • Experience with cloud infrastructure patching and upgrades
  • Excellent written, verbal, and interpersonal communication skills
  • Business-level English or Japanese (Native Japanese or JLPT N1 equivalent)

Preferred Qualifications

  • Experience maintaining 200+ servers or containers in a production cloud environment
  • Experience with disaster recovery planning and improving RTO/RPO
  • Experience with other cloud platforms such as Google Cloud Platform
  • Experience with cloud performance tuning and cost optimization
  • Experience using or contributing to open-source tools
  • Experience publishing technical articles, blogs, or papers
  • Experience managing IT compliance and security risks
  • Experience designing and building infrastructure in financial services or regulated industries
  • Experience operating in-house products and services

Working Conditions

Employment Status

  • Full-time

Location

  • Japan (Hybrid work style: Remote + Office)

Working Hours

  • Super Flex Time (No Core Hours)
  • Standard working hours: 9:00 AM – 5:45 PM (7 hours 45 minutes + 1-hour break)

Holidays

  • Saturdays, Sundays, and Japanese National Holidays
  • Summer Leave
  • Year-end and New Year Holidays
  • Annual Paid Leave

Salary & Benefits

Salary

  • Annual salary based on skills, experience, and performance
  • Annual salary review
  • Overtime allowance
  • Transportation expenses
  • Work-style support allowance

Benefits

  • Health Insurance
  • Employee Pension
  • Employment Insurance
  • Workers' Compensation Insurance
  • 401(k) Retirement Plan
File types (doc, docx, pdf, rtf, png, jpeg, jpg, bmp, jng, ppt, pptx, csv, gif) size up to 5MB
File types (doc, docx, pdf, rtf, png, jpeg, jpg, bmp, jng, ppt, pptx, csv, gif) size up to 5MB