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Job ID : 1595199
Date Updated :
June 4th, 2026
N3 level JP OK
Senior Backend Engineer
| Location | Tokyo - 23 Wards |
| Job Type | Permanent Full-time |
| Salary | 8 million yen ~ 12 million yen |
Job Description
A rapidly growing technology company focused on building advanced data infrastructure and tools. It specialises in enabling organisations to efficiently manage, process, and derive value from large-scale and complex datasets, often leveraging cloud-native and distributed systems. The company is known for its strong engineering culture, emphasis on modern architectures, and work in areas such as data platforms, analytics, and emerging technologies like blockchain.Technical Leadership
- Experience in a lead engineer or equivalent role within a project or team
- Ability to clearly articulate technical issues and requirements, structure them, and propose solutions
- Strong contextual understanding and summarisation skills to facilitate efficient discussions and reviews
- Proficient writing skills for producing well-structured development documents and specifications
Application Development
- Experience in programming with a focus on type safety
- Experience in server-side architecture and API design
- Experience designing and implementing test automation aligned with these areas
- Working knowledge of frontend development
Infrastructure / Cloud Native
- Experience designing and building cloud infrastructure using Infrastructure as Code (IaC)
- Hands-on experience with managed services on AWS, GCP, or Azure
- Experience designing cloud-native architectures using containers and/or serverless approaches
- Experience designing and operating systems in line with security best practices
Database
- Experience in schema design and optimisation across relational, NoSQL, and NewSQL databases
- Experience in performance tuning and large-scale data migration planning and execution
Preferred Experience
Development Environment & Technology Stack
- Experience with GO, basic expereince and a willingness to learn would be considered
- Experience building cloud infrastructure using IaC tools such as Terraform, CDK, or Pulumi
- Experience using AWS managed services
Domain Expertise
- Experience in system development and operations within the financial sector
- Experience in product development involving blockchain technology
- Expertise in large-scale data design, operation, and analysis (data-focused domain)
- Experience establishing and operating PSIRT / CSIRT, designing SIEM systems, and building logging infrastructure
Management / Organisational Contribution
- Experience in Product Management or engineering leadership
- Experience collaborating across functions such as design, marketing, and product teams
What We're Looking For
- Ability to make sound technical decisions aligned with business goals, even in changing environments
- Proactive individuals who foster a culture of ownership, team engagement, and growth
- Capability to elevate team-wide technical standards through design principles, review processes, and documentation practices
- Strong problem-solving skills to identify critical issues across all aspects of product success and lead solution planning and execution
- Language skills, either business level English and conversational Japanese, or native Japanese and conversational English
General Requirements
| Minimum Experience Level | No experience |
| Career Level | Mid Career |
| Minimum English Level | Business Level |
| Minimum Japanese Level | Daily Conversation |
| Minimum Education Level | Bachelor's Degree |
| Visa Status | Permission to work in Japan required |
Job Location
- Tokyo - 23 Wards
Work Conditions
| Job Type | Permanent Full-time |
| Salary | 8 million yen ~ 12 million yen |
| Industry | Software |
