SeniorTechnicalLead

ABOUT REAKTOR 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 & PHILOSOPHY - Autonomy & Responsibility: Two sides of the same coin. We don't manage people; we trust you to think and act independently to make the best decisions. However, this high degree of freedom means you take full ownership and responsibility for the outcomes. - "Do first, apologize later": We value action over hesitation. Instead of waiting for a perfect plan while stalling progress, we encourage experimenting, taking the initiative, and learning fast from the results. THE ROLE: SENIOR TECHNICAL LEAD As a Senior Technical Lead at Reaktor Japan, you will be the cornerstone of our engineering excellence and agile delivery. You will work closely with our clients, leading cross-functional teams to architecture and implement robust, scalable systems. We are a technology-agnostic company—we don’t stick to a single stack. Instead, we select the best tools for the specific business problem. You will cross boundaries between frontend, backend, and DevOps as required by the project. OUR RECENT TECH STACKS & TOOLS: - Web: TypeScript, React - Mobile: iOS (Swift + UIKit/SwiftUI) - Backend: Node.js, Golang, PostgreSQL, Redis, Nginx - Infrastructure: AWS, Azure, GCP, Akamai, Terraform, Jenkins - Tools: Git/GitHub, Miro, Docker WHAT WE ARE LOOKING FOR - Language Proficiency: Native or native-level Japanese fluency is mandatory. Deep understanding of Japanese business culture and high-context communication styles is required to lead client-facin