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Senior Software Engineer

Tokyo office💼 Full-time🗓 2026-07-31 → 2026-09-30

Core

Design, develop, and deploy robust software solutions to securely access, transfer, and transform raw patient data into high-quality real-world evidence and data products for cancer care.

Role type

Senior Software Engineer (System Architecture & On-Premise Deployment)

Builds

Data extraction pipelines, web applications, and secure data products for oncology partners

Domain

Healthtech / Oncology / Real-World Evidence

Deliverable

production ML models | product features

Required skills

C#, Java, Python, HTML, CSS, JavaScript, ASP.NET Core, Spring MVC, PostgreSQL, MySQL, Linux system administration, Infrastructure as Code (IaC), System Architecture, Data Modeling, Secure API Design, Networking Fundamentals (TCP/IP, DNS, routing, firewalls, proxy)

Preferred skills

EHR systems development/operation, Server hardware management, AWS development

Responsibilities

Lead architectural decisions and design for data extraction and web applications; Devise creative solutions for business, security, and data privacy challenges; Lead hands-on deployment of solutions at hospital partner premises, navigating complex local infrastructure and network configurations; Troubleshoot connectivity issues in highly secure or restricted enterprise environments; Mentor and guide other engineers.

Seniority

Senior, hands-on IC with mentorship responsibilities

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