Top Tech Jobs & Startup Jobs in Tokyo

Support enterprise adoption of Optimism's blockchain technology in Japan by executing deals, validating technical requirements, and enabling integrations with key partners.

The Business Development Manager will identify new opportunities in Japan, build and manage a sales team, and support regional marketing efforts while achieving sales objectives.

Execute, optimize, and operationally manage paid media campaigns across APAC platforms. Set up, QA, launch, monitor, and optimize campaigns; coordinate creative localization and asset workflows; maintain reporting accuracy and documentation; run testing and measurement initiatives; liaise with analytics, agencies, and regional stakeholders to drive acquisition, ROAS, and other performance KPIs.

The role focuses on defining user personas for an AI product, designing go-to-market strategies, and optimizing user acquisition channels.

The Technical Project Manager will oversee software project delivery for Japanese clients, ensuring smooth implementation and customer satisfaction while managing schedules and addressing issues effectively.

The role involves providing quantum solutions, customer relations, application support, sales strategy development, and producing marketing materials.

Responsible for client relationship management, driving sales growth, developing account strategies, conducting market research, and ensuring client satisfaction.

Serve as the company’s first technical hire and founding engineer for Larder, a remote-first professional video networking application. The role requires strong software development expertise and proficiency with AI coding tools such as Claude Code. The engineer will help build the product from its earliest technical foundations and shape the platform’s architecture and implementation.

Provides Japanese and English customer support for healthcare professionals, laboratories, sales teams, and other partners. Manages customer accounts, resolves ordering, reporting, shipping, customs, and delivery issues, documents interactions, supports training, and identifies process improvements. The role requires troubleshooting, cross-functional collaboration, special project participation, customer service tool testing, and mentoring new employees while handling protected health information.

Lead DayOne Japan’s data center development and operations, owning end-to-end delivery from site development to commissioning, daily facility operations and uptime, and full P&L. Manage project schedules, budgets, compliance and local utility/authority relationships; build and scale the Japan team; serve as primary contact for hyperscale customers; and collaborate with global leadership on pipeline, land acquisition, and long-term market strategy.