Senior Cloud Engineer | Osaka or Tokyo / Remote (Flexible) | Multinational Team #267

Company Overview

The company operates a marketing SaaS platform leveraging LINE. As a rapidly growing startup, it utilizes AI technologies to help brands build sustainable and trustworthy relationships with their customers.

In addition to its LINE marketing tools, the company develops and provides a range of services, including LINE 1-to-1 business chat, digital membership card LINE mini apps, and AI-powered call solutions.

■Key Features

• Operates in the C-commerce market, which is estimated to be worth nearly JPY 30 trillion globally and is projected to surpass the e-commerce market in certain countries by 2025
• Achieved 760% business growth over the past three years in the marketing SaaS domain
• Successfully raised a total of JPY 6.3 billion in funding (including JPY 3.5 billion in Series B)
• Ranked No.1 in LINE marketing in Japan
• A global organization with offices overseas and team members representing 20 different nationalities

 

Responsibilities

The Cloud Engineering Team is responsible for supporting the infrastructure, reliability, and scalability of the systems underlying the company’s product portfolio. The team covers the entire portfolio, including both new products and existing or legacy products.

In this position, the successful candidate will work closely with senior team members to steadily handle day-to-day operations and improvement tasks, while developing deeper expertise in cloud infrastructure through hands-on experience.

Key Responsibilities

• Operate and maintain cloud infrastructure in accordance with established procedures and existing Infrastructure as Code (IaC)
• Implement and configure observability, including metrics, logs, and traces, and improve existing dashboards and alerts
• Provide initial response to incidents, including detection and initial investigation
• Participate in root cause investigations in collaboration with senior team members, and document and share findings through postmortems
• Maintain existing Terraform/CDK code and make small-scale modifications as required
• Operate CI/CD pipelines and automate routine tasks
• Document procedures, changes, and work performed

 

Organization

Cloud Engineering covers three complementary areas. Rather than operating as separate silos, the team aims to work across all three areas to provide comprehensive support for the company’s products and engineering organization.

• Infrastructure: Cloud architecture centered on AWS, networking and compute, cost optimization, and compliance with security requirements
• DevOps: CI/CD pipelines, automation and tooling, release management, and improvement of Developer Experience
• SRE: SLI/SLO and error budget management, incident response, observability, and postmortems

 

Required Skills & Experience

• Approximately 1–3 years of hands-on experience operating and maintaining systems using cloud services such as AWS
• Basic Linux server administration and fundamental networking knowledge
• Ability to read and understand existing IaC code, such as Terraform, and make changes under guidance
• Basic debugging and troubleshooting skills
• For English-dominant candidates: Fluent or higher English proficiency and at least basic business-level Japanese proficiency (approximately JLPT N3)
• For Japanese-dominant candidates: Fluent or higher Japanese proficiency and at least basic business-level English proficiency

Candidates are expected to have fluent-level proficiency in either English or Japanese, along with conversational ability in the other language.

 

Preferred Skills & Experience

• Experience operating monitoring and observability tools such as New Relic, Sentry, or CloudWatch
• Experience with SLI/SLO-based operations or a good understanding of SLI/SLO concepts
• Experience automating tasks using scripting languages such as Python or Bash
• Experience operating CI/CD pipelines such as GitHub Actions
• Experience using container technologies such as Docker
• Experience with incident response or on-call operations, from initial response through incident leadership
• Experience monitoring and reducing cloud costs
• Cloud-related certifications, such as AWS certifications

 

Ideal Candidate Profile

• Able to think independently and take initiative rather than simply following established procedures
• Demonstrates integrity and a strong sense of ownership and responsibility
• Comfortable proactively asking questions and seeking guidance when something is unclear
• Comfortable with asynchronous, documentation-based communication and able to clearly document work performed
• Communicates openly and effectively with colleagues and stakeholders
• Able to work collaboratively with others and steadily drive tasks through to completion

 

Compensation & Benefits

Salary: JPY 5,000,000 〜JPY 8,000,000per year
Probation Period: 3 months

Location
The position is based in either Tokyo or Osaka, depending on the candidate’s preference. Fully remote arrangements can be discussed on a case-by-case basis.

The company offers a flexible hybrid work style, combining remote work with office attendance. Frequency of office visits varies, typically ranging from once a week to once a month.

Working Hours

• Standard hours: 9:00 AM – 6:00 PM (includes a 1-hour break; overtime may be required)
• Flexible working hours with core time from 10:00 AM – 4:00 PM
• For employees above a certain grade, a discretionary labor system applies according to company policy

Holidays & Leave

• Saturdays, Sundays, and public holidays
• New Year’s holidays
• Summer vacation
• Bereavement leave
• Paid leave (10 days granted upon joining, with additional days accrued based on length of service)
• Other holidays as specified by company regulations

Benefits & Perks

• Commuting allowance (bicycle commuting permitted)
• Company-provided laptop
• Company-provided mobile phone (for certain roles only)
• Flexible start time program (can be applied for every 2 months)
• Social insurance coverage (health insurance, employee pension, employment insurance, workers’ compensation)
• Life & health support leave
• Coverage of medical check-up expenses
• Childbirth and childcare support programs
• Club activities and social groups

Measures Against Secondhand Smoke: No Smoking Indoors

 

Hiring Process

• Number of interviews: 3
• Application documents required: Resume / CV
• Interview language: Japanese/English

 

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