Product Reliability Engineer (CRE), Money Forward Cloud, Fukuoka

Only applicants residing in Japan are eligible to apply.

Overview

About the Fukuoka Development Base

Since opening in December 2017, Money Forward’s Fukuoka Development Base has steadily expanded alongside a growing community of talented engineers and designers.

In November 2025, we relocated our office to "Fukuoka Daimyo Garden City" to set the stage for our next chapter of growth. We are now aggressively recruiting engineers and designers to help our organization leap forward.

Our local vision is "Move Forward." We place the highest priority on growth opportunities for every member, striving to be an energetic hub where everyone can boldly take on new technologies and complex challenges.

UI Turn Support Campaign Ongoing

Money Forward is currently running a campaign to support relocation to our Fukuoka development base! We are offering 500,000 yen to assist with relocation expenses to engineers who join us mid-career and are currently living in Japan (conditions apply).

Please check the details in the following article: Announcement of the Campaign to Support Engineers' UI Turn Expenses to Fukuoka

Responsibilities and Duties

Background of Recruitment

At Money Forward, we provide services that solve financial challenges through the power of technology. Our Fukuoka Development Base is responsible for the development and operation of "Money Forward Cloud Expense," one of our flagship services supporting a wide range of users, from sole proprietors to large corporations.

Since its release, Cloud Expense has grown into a large-scale product that supports businesses of all sizes, from startups to major enterprises. To maintain both "rapid feature delivery" and "high reliability" as we continue to scale, we are looking for a Customer Reliability Engineer (CRE) who embraces proactive operations—going far beyond simple maintenance and support.

We are seeking an engineer who wants to use their technical expertise to untangle complex domain challenges, work at the closest point to our customers, and safeguard system reliability through the power of engineering.

Main Responsibilities

In this role, you will lead the following initiatives for our B2B SaaS platforms, "Money Forward Cloud Expense" and "Money Forward Cloud Accounts Payable," bridging the gap between technology and customer satisfaction.

• Reliability Engineering
  • Monitor logs and metrics using tools like Datadog, and define/operate SLOs.
  • Lead rapid incident response, root cause analysis (RCA), and the implementation of permanent fixes.
  • Improve the health of the development cycle by automating and streamlining toil (repetitive manual tasks).
  • Lead investigations and provide technical resolutions for high-difficulty customer inquiries escalated from the Customer Support team.
  • Drive the standardization and acceleration of support operations using Generative AI and knowledge bases.
• Full-Stack Engineering
  • Develop backend systems using Ruby on Rails and improve front-end experiences with React/TypeScript.
  • Execute system-wide performance tuning and architectural changes to ensure high scalability.
• Cross-functional Product Improvement
  • Collaborate closely with Customer Support and Product Managers to implement feature improvements based on user feedback.
  • Propose and execute refactoring and architectural redesigns to eliminate technical debt.

Required Skills and Experience

Experience in the following web application development and operation:

• At least 5 years of experience and a proven track record in the large-scale development and operation of web applications using Ruby on Rails or other modern languages.
• An ownership-driven attitude; the ability to identify both engineering and organizational challenges as your own and take proactive steps toward resolution.

Preferred Skills and Experience

• Experience developing GraphQL or REST APIs.
• Practical experience in a CRE (Customer Reliability Engineer) or SRE (Site Reliability Engineer) role.
• Experience with monitoring and SLO management using observability tools such as Datadog.
• Initiatives in operational improvement or automation utilizing Generative AI (LLMs).
• Experience handling technical inquiries within a Customer Support or Technical Support context.
• Experience with incident response (handling) and managing post-mortem workflows.
• Experience in infrastructure construction and operation using AWS or similar cloud platforms.
• Experience in AI development and/or experience in using AI tools to improve development processes.
  • Money Forward recently announced our AI Strategy roadmap which focuses on improving AI-driven operational efficiencies, as well as integrating AI agents into our products to deliver better value to our users. (More information here)

Language Requirements

• Business level Japanese (equivalent to JLPT N2 or above)
• Basic business level English (equivalent to TOEIC 700 or above)
  • If you do not have a qualification equivalent to TOEIC 700 or above, you will be required to take a company-designated test during the selection process (generally expected after the first interview).
  • If you have other qualifications or experiences that demonstrate your English proficiency, please let us know.
    • Examples include Eiken Pre-1st Grade, Eiken 2nd Grade (Eiken CSE Score 1950 or above), TOEFL iBT 60 or above, IELTS 5.0 or above, Cambridge English FCE, etc.

※Please note that the interviews in the selection process will be conducted mainly in Japanese.

Technology Stack

• Web Server-Side: Rails, Golang, Node.js, GraphQL
• Web Frontend: React, TypeScript, Next.js, Redux, Apollo Client, webpack, Jest
• iOS: Swift, SwiftUI, CoreData, Apollo, ReactorKit, Composable Architecture, Bitrise
• Android: Java/Kotlin, Android Jetpack (Camera, DataBinding, Navigation, etc.), LiveData/ViewModel, Dagger/Hilt, OkHttp3, Retrofit2, Apollo Android
• Database: MySQL (Aurora)
• Infrastructure & Middleware: AWS (ALB, EC2, ECS, RDS, S3, SQS, ElastiCache, EKS...), SendGrid, Kinsta, GCP (BigQuery, Firebase, GKE), nginx, Squid, Memcached, Kafka, Logstash, Filebeat, Maxwell, Kibana, Elasticsearch, Fluentd, Envoy, Puma, HAProxy, Docker, Redis, Terraform

Tools Used

• Business Platform: Marketo, Salesforce, HubSpot
• Repository Management: GitHub
• CI/CD: CircleCI, ArgoCD, GitHub Actions
• Development Environment: Docker, Terraform Enterprise
• Monitoring: DataDog, Rollbar
• Communication: Slack
• Ticket Management: Jira, GitHub Issues
• Security & Automation:OWASP ZAP, Brakeman, SonarQube

Work Environment

At Money Forward, we provide an environment where we can create world-class services together, and we are looking forward to welcoming you.

• Provided PC Specs: We provide PCs equipped with the latest CPUs (MacOS or Windows). Custom-made PCs tailored to business requirements and replacements with the latest OS are also possible.
• Systems to Enhance the Development Environment: Peripheral devices necessary for work (such as displays, mice, keyboards) can be purchased as office supplies. Generally, you can choose from standard products (catalog), and if conditions are met, you can apply for non-standard products as well.
• Money Forward Library: We have a library system where you can freely borrow books, ranging from technical books to management books. Desired books can be purchased at the company's expense.
• Referral Driven: We cover the cost of recruitment meals. There is a referral reward system.
• Conference Participation Support: The company partially covers participation in domestic and international conferences, such as RubyKaigi and Google I/O.
• Fukuoka Development Base: New office in Fukuoka Daimyo Garden City.
• High-Energy Engineering Culture: A culture that invests in learning and exchange, including cross-product CRE workshops and support for conference attendance.