Mobile App Engineer

Hacobu

Mobile

TypeScript

About this role

The Mobile App Engineer will develop and operate MOVO Driver, a smartphone application for truck drivers in the logistics industry. The role covers architecture design and implementation, post-release operation and improvement, and migration of the current app from Flutter to React Native as it develops toward a broader platform. The app supports daily work through berth reservations, daily reports, daily inspection forms, logistics hub information, site maps, and a map of facilities where parking or waiting is possible. It also serves as a contact point for other MOVO services and is being expanded with communication functions connecting drivers, shippers, and logistics centers.

As a core member of a team of about five people, the engineer will design and select application architecture using React Native and TypeScript, reimplement UI/UX, optimize performance, and propose UX improvements with designers and a product manager. The work also includes coordinating with other product engineers, including backend engineers, and promoting API integration to combine separated data. The product roadmap includes improving the use of existing Berth and Map features, using data from Berth, Vista, Fleet, and Map to provide recommendations, and creating experiences through which drivers can contribute location and operating-plan data. The role includes feature development, operation, and iterative product improvement.

The mobile environment includes TypeScript, React Native, Expo, Expo Router, Zustand, TanStack Query, Zod, and fastlane. The wider development environment includes Go, Echo, gRPC, React, Vite, TanStack Router, OpenAPI, Orval, Storybook, AWS, Kubernetes, Docker, Terraform, Istio, GitHub Actions, Argo CD, Datadog, BigQuery, Managed Service for Apache Airflow, Data Studio, GitHub, Slack, Notion, Jira, Figma, Miro, MagicPod, and Takumi. AI tools listed for the technology organization include Claude Code, Codex, Cursor, Devin, ChatGPT, Gemini, GitHub Copilot, and CodeRabbit. From June 2025, Devin, Cursor, and ChatGPT are provided without usage limits to technology organization members.

The role belongs to the technology organization responsible for developing and operating MOVO. The organization includes backend, frontend, QA, platform, and data engineers and designers, with seven teams and 50 members as of June 2025. Its stated practices include documenting technical decisions in Architecture Decision Records, all-member technology meetings, one-on-ones with an engineering manager, skip-level one-on-ones with the CTO, pair programming, mob programming, bug bashes, a trainer and buddy system, remote informal communication, and knowledge sharing. Company-provided mobile test devices are available. Remote work is permitted, and listed work locations are the Tokyo headquarters in Minato, Tokyo, the Osaka office, and other company-designated places including home. The posting does not state salary, working hours, employment duration, education, experience thresholds, or language qualifications.

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