Top Tech Jobs & Startup Jobs in Japan

Develop and launch conversational AI agents for enterprise customer interactions. Translate business requirements into effective agent designs, lead multiple complex AI initiatives, partner with product and engineering teams, and align technical and business stakeholders. Use conversational design, product judgment, and performance data to improve agent outcomes, mitigate risks, and support customer adoption.

Develop and operate web products including PayPay Securities mini-applications, PC trading sites, and internal business tools. Collaborate with product managers and designers to improve investment experiences, prototype new features, and implement redesigns. Improve unit testing, architecture, frontend performance, and CI/CD processes while contributing to a new engineering organization.

Deliver enhancements and continuous improvements to the PolyPath platform, support migrations and upgrades, develop pricing and pipeline capabilities, translate business needs into technical or functional solutions, and collaborate with global teams to scale a high-performing platform program.

Oversee hedge fund post-trade operations, including trade, position, cash, swap MTM, income, expense, and settlement reconciliations. Lead exception resolution, accounting close support, NAV finalization, audits, and collaboration with investment managers, brokers, administrators, and internal teams. Manage team performance, prioritize strategic initiatives, and support technology projects, reporting, product implementations, specifications, and user acceptance testing.

Develop and execute commercial growth strategies across Japan, South Korea, and other Asian markets. Build relationships with suppliers, customers, recyclers, manufacturers, government agencies, and industry associations. Secure feedstock supply and product offtake agreements, negotiate complex commercial contracts, manage strategic accounts, identify market opportunities, provide market intelligence, and support regional expansion. The role requires extensive travel, fluent English and Japanese, and strong experience in industrial B2B business development, procurement, or strategic sales.

Leads APAC data center development opportunities from site identification through land acquisition and execution readiness. Oversees technical and commercial due diligence, feasibility, utility strategy, permitting, risk management, governance, investment approvals, and portfolio reporting. Coordinates internal teams, consultants, landowners, utilities, regulators, and other stakeholders while preparing business cases and investment recommendations for executive leadership. Provides oversight of budgets, schedules, contracts, risks, and development pipeline performance.

Lead the technical aspects of Japan-region sales cycles by supporting sales teams, prospects, and customers; delivering demonstrations, workshops, and PoCs; responding to RFPs; and translating customer needs to Product and Engineering. Drive localized technical adoption and customer success while bridging Japanese business practices with global best practices. Build enterprise relationships and support regional business development activities.

Prepare and distribute recurring client and fund reports, validate investment data, support client materials and information requests, and manage reporting deadlines. The role also supports Tokyo office administration, vendor coordination, invoices, facilities, meetings, travel, onboarding, records, and cross-functional business operations in a bilingual asset management environment.

Provide Japanese-language customer support through email, chat, and contact forms during JST hours. Responsibilities include preparing responses, processing requests, maintaining customer records, testing products and features, reviewing translations, updating FAQs and chatbot content, reporting platform issues, simulating trading-platform problems, and coordinating with internal teams. The role requires strong Japanese and English communication, customer service experience, technical proficiency, proactivity, and willingness to learn in a remote multicultural environment.

Manages Field Service Engineers and Service Technicians responsible for customer hardware, software, and network implementation, installation, repair, calibration, and support. Builds partnerships across support organizations, improves service delivery and customer satisfaction, supports profitable revenue growth, and ensures compliance with customer and vendor site-access credentialing requirements.