Staff Backend Engineer - Fastest Growing AI R&D Firm / Remote OK!

The company is a fast-growing AI startup building the next generation of Artificial General Intelligence from Japan. Backed by one of Japan's largest early-stage funding rounds, the company is developing personalized and global AI products that have the potential to transform how people interact with technology.As a Principal Backend Engineer, you will lead the architecture and development of highly scalable backend systems powering cutting-edge AI products. You'll drive technical decisions, improve system performance and reliability, mentor engineers, and work closely with AI researchers to bring advanced technologies into production.Requirements8+ years of backend engineering experience with large-scale distributed systemsStrong system design expertise (databases, caching, messaging, cloud infrastructure)Experience with AWS, GCP, or similar cloud platformsProficiency in Go, Rust, or C++Experience leading complex technical projectsFluent English and business-level JapaneseWhy Join?Build next-generation AGI technology with global impactOwn architecture and technical direction of core AI productsWork alongside top AI researchers and experienced engineersFull remote anywhere in Japan with hybrid flexibilityStock options, flexible working hours, and excellent learning supportSalary is negotiable up to JPY 20M+If you would like to apply to this role, click the apply button or send you resume to rego.fareyhan@specialized-group.com now!