Top Tech Jobs & Startup Jobs in Japan

The Director is responsible for strategic initiatives in products and services, creating value narratives, aligning resources, and managing P&L to enhance Mastercard's offerings in Japan.

The Customer Performance Lead will drive customer satisfaction and technology initiatives, leveraging data insights, fostering strategic relationships, and leading stakeholder engagement effectively.

Support Japan deal structuring and business development finance across deal lifecycle. Perform financial modelling, scenario analysis, benchmarking, and ROI/NPV reviews. Advise account teams and legal on deal economics and compliance, drive reporting and data integrity, build financial capabilities within the business, and support regional Deal Management projects to ensure profitable, compliant customer agreements.

Manage onboarding, launch, execution, and optimization of Rokt Ads campaigns for Japanese advertisers. Analyze campaign and portfolio data to surface trends and actionable insights, build confidence managing smaller accounts, apply AI-enhanced tools and automation to improve outcomes, and partner cross-functionally to solve problems and scale campaign performance.

Lead Coach's e-commerce marketplace growth in Japan by managing day-to-day marketplace operations, partner relationships, P&L, and platform-specific sales and marketing strategies. Collaborate cross-functionally, analyze performance metrics to optimize conversion and customer experience, negotiate partner contracts and promotions, and identify new marketplace opportunities to increase revenue and engagement.

Lead Datadog Japan as the senior market executive: define and execute country strategy, own revenue and sales segments, build high-performing teams, deepen customer and partner relationships, represent Datadog publicly, and align cross-functional GTM operations to accelerate market growth and adoption.

Manage a portfolio of hotel partners in Tokyo to optimize content, rates, and availability; provide consultative revenue and marketing advice; secure seasonal deals; drive partner adoption of Expedia tools; collaborate across teams; coach junior colleagues; and travel 20-30% for partner visits to meet KPI targets.

Lead reliability, performance, and operational excellence for Linux-based colocated trading compute platforms. Build and automate OS lifecycle management, tune kernel/CPU/IRQ/NUMA/NIC for low latency, improve observability, lead incident response, manage hardware-adjacent colo tasks, enforce secure access and secrets handling, contribute to capacity planning and resiliency, and adopt AI-assisted SRE workflows with proper guardrails.

Early-career finance role supporting Japan institutional client billing and Japan Controllers tasks. Responsibilities include invoicing, revenue accounting in Oracle, accounts receivable monitoring, statutory and regulatory reporting, tax and treasury support, and assisting accounts payable. Collaborate with Sales, Operations, Legal, Tax, Treasury, and offshore teams while maintaining controls and learning Japanese regulatory and tax requirements.

As a Radio System Engineer, you will design and document requirements for next-gen radio products, troubleshoot, and support customers while collaborating with various teams.

The Commercial Account Executive will drive new business by selling Qualtrics' Experience Management platform to mid-sized companies, focusing on strategic consulting, relationship building, and achieving sales goals.

As a Senior Recruitment Business Partner, you will drive recruitment strategies for the Japan market, collaborate with APAC teams, and enhance candidate experience, ensuring quality hires and data-informed decision-making.