SRE (Manager / Member)

Background

bitFlyer is strengthening its SRE organization to deliver stable, scalable services while protecting our users' valuable assets. As our services expand and our systems grow more sophisticated, ever-higher reliability and availability are required. In this position, we are looking for an engineer who can apply expertise in cloud technologies and automation to design, build, and operate highly reliable, highly available infrastructure and lead our SRE practice.

Responsibilities

  • Designing, building, and operating cloud infrastructure using IaC

  • Driving operational efficiency through automation

  • Preventing and detecting failures early through monitoring and alert design, and handling incident response and recovery

  • Driving migration from legacy systems to new systems

  • Spreading and embedding SRE culture and best practices across the company

  • Collaborating with product development and related departments

Scope of change in duties: After joining, you may be reassigned to any duties designated by the company.

Required Skills & Experience

■Japanese (conversational level)
■Experience designing, building, and operating architecture in public cloud environments (3+ years)

Preferred Skills & Experience

■English (business level)
■SRE or infrastructure operations experience with large-scale B2C services
■Experience operating mission-critical services such as financial systems
■Experience building and operating container technologies and Kubernetes
■Experience building and operating infrastructure with IaC (Infrastructure as Code)
■Experience building and operating monitoring platforms
■Knowledge of and operational experience with RDBMSs (SQL Server, etc.)
■Experience working closely with product development teams
■Hands-on experience developing or operating web applications
■Development experience with .NET (cross-platform)

Who We Are Looking For
bitFlyer is a multinational team of professionals, bringing together talented members from around the world. We are looking for people who, regardless of age or nationality, think and act with passion and turn ideas into results. We are fully committed to creating the future of next-generation finance and blockchain.
Salary

■Expected annual salary: ¥6,000,000–¥12,000,000
※Includes a fixed overtime allowance for 45 hours per month
※Determined based on experience, skills, and most recent annual compensation

■Monthly salary breakdown
Base salary: ¥369,800–¥739,800
Fixed overtime allowance: ¥130,200–¥260,200 (for 45 hours)
※If fixed overtime hours are exceeded, additional premium pay is provided for overtime, late-night, and holiday work
※Performance-based bonuses are paid separately

Working Hours

■Employment type: Full-time (no fixed term)
■Probation period: 6 months (no change in working conditions during probation)
■Working hours: 9:00–18:00 (flextime system; core time 10:00–16:00)
■Break: 60 minutes (provided during working hours)
■Overtime work: Yes
■Measures to prevent passive smoking: No smoking indoors

Holidays & Leave

■Two days off every week (Saturday and Sunday) ※Days off may differ when a shift system applies.
■National holidays
■Year-end and New Year holidays
■Congratulatory and condolence leave
■Maternity leave (pre- and postnatal)
■Childcare leave
■Birthday leave
■Annual paid leave (12 days in the first year)

Benefits

■Commuting allowance
■Full social insurance (health insurance, employees' pension, employment insurance, workers' accident compensation insurance)
■Drinks & food
■Massage service
■Visa acquisition support
■Book purchase program
■Language training program
■Babysitter subsidy program
■Friday social gatherings
■Quarterly social events
■Welcome lunch

Work Location

Midtown Tower, 9-7-1 Akasaka, Minato-ku, Tokyo
(Directly connected to Exit 8 of Roppongi Station on the Toei Oedo Line / directly connected via an underground passage to Roppongi Station on the Tokyo Metro Hibiya Line)
※In principle, we currently work on-site at the office.
Scope of change: Any location designated by the company

English
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