Top Tech Jobs & Startup Jobs in Osaka

Leads product and documentation delivery, manages customer change orders and specifications, improves margins, controls critical-path execution risks, and coordinates internal and external stakeholders. The role requires strong Japanese and English communication, negotiation, team motivation, technical literacy, composure, and emotional intelligence. A bachelor’s degree in engineering, business, or a related field is preferred.

Build and maintain batch and streaming data pipelines, Airflow workflows, data models, and warehouse datasets for a crypto trading platform. Improve data quality, freshness, performance, and cost efficiency through monitoring, validation, troubleshooting, and optimization. Collaborate with engineering and business users to define datasets, metrics, and documentation. This fully remote APAC role requires strong Python and SQL skills, hands-on Kafka, Spark, and Airflow experience, crypto or Web3 data engineering experience, and clear Mandarin communication.

Lead backend design and development for a mobile-first strategy-building fintech: build scalable Python/FastAPI services, real-time APIs/WebSockets, integrate market data providers, optimize performance across large datasets and simulations, contribute front-end React/TypeScript work, maintain containerized deployments and CI/CD pipelines, and document and collaborate in an async-first team.

Troubleshoot customer issues across Linux, Kubernetes, GPU clusters, networking, storage, and system services. Participate in 24/7 incident response, communicate with customers, coordinate provider resolution, and create runbooks, monitoring, dashboards, alerts, and automation using Python or Bash. The role also investigates recurring infrastructure failures and improves reliability before incidents affect customers.

Design, build, and maintain automated and exploratory tests for web and mobile apps. Create test plans, UI/API automation, compatibility and performance testing, perform root-cause analysis, improve test coverage, and develop testing tools and infrastructure to ensure product stability and user-focused quality.

Manage and grow enterprise client accounts in Japan while generating leads, developing new business, and overseeing sales operations. Responsibilities include building customer relationships, gathering feedback, supporting product onboarding, providing technical guidance, and collaborating with cross-functional teams to deliver strong customer success. The role requires professional Japanese and English bilingual proficiency, excellent communication, account management and sales experience, and strong organizational and problem-solving skills.

Serve as the technical lead for APAC enterprise sales cycles by conducting discovery, delivering demos, architecting AI solutions, managing proofs of concept, and addressing technical objections. Partner with account executives, support onboarding and adoption, provide product feedback, and troubleshoot API integrations and code-level issues. Collaborate with global teams while balancing pre-sales, customer success, account health, and regional technical support responsibilities.

Develops process data sheets and related design documents for proposals, procurement inquiries, product development, and engineering activities. Supports alignment with product teams throughout the product lifecycle, assists plant commissioning—especially for new products—and uses commissioning and operational data to improve plant efficiency. Requires plant engineering or EPC experience and process design or simulation expertise; process control, commissioning, regulatory, and semiconductor facility experience are advantageous.

Provides senior-level monitoring, investigation, and response for MDR customers. Leads complex incidents, threat hunts, containment, remediation, detection improvements, and case documentation. Mentors junior analysts, develops playbooks, analyzes endpoint and network telemetry, researches threats and vulnerabilities, and communicates findings to Japanese- and English-speaking clients. Participates in 24/7 shift rotations and contributes to security operations process and tooling improvements.

Provides accounting, office, secretarial, human resources, facilities, employee benefits, and general administrative support for the Osaka office. Responsibilities include bookkeeping, budgeting, payroll and tax administration, vendor and government liaison, executive scheduling, travel arrangements, supplies management, recruitment, visa and housing coordination, temporary staff supervision, attendance management, and stakeholder relationship development.