Senior Backend Engineer | Diverse, Flat, Remote-First Tech Product Company

• Lead backend architecture and technical decision-making
• Build reliable, scalable backend systems for a fast-growing product
• Improve observability, async job design, and long-term maintainability
• Partner with product and business stakeholders to solve complex delivery challenges
• Help raise engineering quality through better CI/CD, development processes, and technical standards

• Strong backend engineering experience with technical ownership
• Experience leading architecture or key technical decisions
• Experience building scalable systems with async jobs and sustainable operations in mind
• Experience improving delivery, testing, CI/CD, or engineering processes
• Fluent business-level Japanese

• Compensation starts from 9M
• Remote-first working style
• Flat organization and diverse engineering team

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