CareerPlan

Senior In-Market Engineer

Tokyo, jpFull-time2026-11-12

Core

Senior Software Engineer leading complex AI/GenAI customer engagements, building shared tooling, and setting quality standards for the GAIL program.

Role type

Senior IC software engineer (customer-facing AI delivery)

Builds

Shared GAIL tooling, deployment playbooks, and reusable assets for the AI practice

Domain

Enterprise AI / GenAI / Customer Success

Deliverable

production ML models

Required skills

JavaScript, Java/Python, AI/GenAI deployment, prompt engineering, mentoring, standards-driven architecture, customer-facing communication

Preferred skills

Business-level Japanese, enterprise integration experience

Technologies

JavaScript, Java, Python, Now Assist, AI Agents

Responsibilities

Lead large-scale enterprise AI deployments and escalations; Own and evolve the GAIL deployment playbook; Build and maintain shared engineering tooling; Mentor incoming engineers and capture deployment patterns; Partner with product to surface field signals

Seniority

Senior, hands-on IC