Senior Technical Lead - Reaktor - Tokyo, Japan

Reaktor is a global creative technology partner that helps industry leaders build a better future. Founded in Finland, we combine premium software engineering, strategic design, and robust data capabilities to solve high-stakes business challenges for global brands like Adidas and Finnair, as well as major enterprises in Japan. At Reaktor, we have no traditional hierarchy or middle management. We operate on a foundation of absolute trust, immense autonomy, and a shared passion for high-quality engineering. Our culture emphasizes autonomy and responsibility, encouraging action and initiative. The role of Senior Technical Lead involves working closely with clients, leading cross-functional teams to design and implement scalable systems across various technologies. The tech stack includes TypeScript, React, Swift, Node.js, Golang, PostgreSQL, Redis, Nginx, AWS, Azure, GCP, Terraform, Jenkins, Git, Miro, Docker. Candidates must be fluent in Japanese, have strong architectural and coding skills, and a proactive learning mindset. Preferred skills include experience with functional programming, complex system design, and advanced testing. We offer autonomy, impactful work, a modern office in Ebisu Tokyo, and comprehensive benefits.