Top Tech Jobs & Startup Jobs in Japan

Based in Tokyo, the role focuses on outbound prospecting and pipeline creation for institutional asset managers. You'll research and contact prospects, book meetings, qualify leads, capture detailed notes for handoffs, and manage assigned accounts to uncover expansion opportunities. Collaborate with sales reps and subject-matter experts while learning the product and hitting quantifiable outreach and booking metrics.

Provide company secretarial and administrative support to client entities in Japan: assist with incorporations, statutory filings, board and shareholder documentation, maintain registers and records, liaise with government authorities and banks, manage corporate correspondence, support compliance, and respond to client inquiries.

Hybrid pre-sales solution engineering and consulting role focused on Japans hospitality market. Guide discovery, design, demos, and ROI narratives; advise on revenue management strategy; ensure smooth handoff to delivery and early adoption; act as technical and cultural liaison across sales, product, and consulting teams.

Own the cryptographic core: select and evolve MPC/TSS schemes, author protocol reviews, implement and review Rust/Go production crypto, lead audit responses, prepare incident fixes, publish and represent externally, and teach/mentor engineers while scaling the crypto function.

Build and operate production custody systems: signing service, key management, chain integrations, and transaction pipelines. Own end-to-end subsystems, integrate new chains, collaborate with cryptography on threshold signing and key recovery, write post-mortems, and produce clear async design docs and PRs.

Lead and scale the engineering organization for a regulated digital-asset custody platform. Own hiring, org design, engineering operations (on-call, incidents, release hygiene), delivery against roadmaps, audit and regulator readiness (SOC 2, SAMA, ISO 27001), and cross-functional alignment. Amplify an existing small, specialized team to meet regulatory and institutional requirements while preserving culture and retention.

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.

Executes material requirements planning for raw and packaging materials, converting production schedules into component requirements. Coordinates suppliers, validates material availability and delivery schedules, manages inventory targets, resolves exceptions, and supports phase-in/phase-out activities. Maintains planning master data, minimizes excess and obsolete inventory, coordinates warehouse capacity and quality releases, and collaborates with scheduling, supplier management, and site teams.

Drive sales growth and market penetration across the Champaran territory by developing sales strategies, managing customer and stakeholder relationships, expanding product distribution, and achieving targets. The role includes analyzing market trends, planning territory coverage, supporting new product sales, coordinating cross-functional campaigns, gathering competitive intelligence, mentoring teams, and preparing performance reports. Candidates need FMCG sales experience, strong relationship-building and analytical skills, digital engagement expertise, and leadership ability.

Manages sales activities across a designated territory, meeting new and existing customers, expanding market share, promoting new products, identifying sales opportunities, and providing product and competitive intelligence. The role develops territory coverage plans, prepares sales reports, monitors performance against objectives, recommends adjustments, and collaborates with internal departments to achieve sales goals.

Contributes to software development by writing, testing, debugging, and documenting code under senior guidance. Participates in code reviews, design discussions, troubleshooting, requirements documentation, and implementation of development best practices. Collaborates with team members, learns software architecture and methodologies, completes training, and supports knowledge sharing.

Supports recurring sales operations and administration, including CRM updates, documentation, shipping, logistics, delivery, inventory coordination, and follow-up. Progressively assists with lead and account research, customer meeting and demo preparation, events, campaigns, localization, lead generation, and pre-sales marketing. Requires business Japanese and English, strong organization, attention to detail, proactive communication, technology interest, and availability for approximately 20 hours weekly over at least six months.

Own the end-to-end development, launch, and growth of crypto card products across multiple markets. Define roadmaps, conduct market and competitive analysis, coordinate partner integrations, create PRDs and product designs, and manage card journeys including issuance, authorization, rewards, and disputes. Collaborate with engineering, compliance, legal, finance, risk, and marketing teams while monitoring KPIs, analyzing data, and improving product performance.

Designs and maintains automated testing frameworks for margin trading and risk systems using Java and/or Rust. Responsibilities include test planning, environment management, black-box and white-box testing, security and performance testing, defect analysis, and validation of complex trading workflows, margin calculations, liquidation processes, and high-concurrency distributed systems.