Sr Techno-Functional Consultant/Full-Stack AI Solutions (A)

Job Description /Responsibilities:
•    Work with Japanese business stakeholders to understand convenience-store operational challenges, customer experience needs, workforce issues, store productivity gaps, and automation opportunities.
•    Convert business ideas into clear PoC or MVP scope, success criteria, user journeys, functional requirements, and technical feasibility notes.
•    Design and develop prototype applications using modern front-end, back-end, database, cloud, and API technologies.
•    Apply AI, Generative AI, computer vision, predictive analytics, and automation technologies where relevant to convenience-store use cases.
•    Prepare high-level architecture, data flow, integration approach, API design, and deployment approach for PoC/MVP solutions.
•    Coordinate with offshore development teams, customer IT teams, product teams, and business users.
•    Prepare working demos, collect feedback, refine solution concepts, and support customer approval for next-stage development.
Technical Skills(Mandatory):
•    Strong hands-on experience across front-end, back-end, APIs, databases, cloud deployment, and integration.
•    Practical exposure to AI-enabled applications, not just theoretical AI knowledge.
•    Ability to work directly with Japanese business and IT stakeholders without depending fully on another translator or coordinator.
•    Prior experience in building prototypes, MVPs, demos, pilots, or innovation solutions.
•    Front-End: React.js, Next.js, TypeScript, JavaScript, HTML5, CSS3, Tailwind CSS, Material UI.
•    Back-End: Node.js, Express.js, Python, FastAPI, Java Spring Boot or .NET Core.
•    Database: PostgreSQL, MySQL, MongoDB, Redis; ability to design practical data models for PoC/MVP use cases.
•    API and Integration: REST APIs, GraphQL, Webhooks, JSON, OAuth2, API Gateway concepts, third-party API integration.
•    Mobile / Edge Exposure: Progressive Web Apps, mobile-friendly UI, edge device integration, IoT gateway concepts; mobile app exposure is a plus.
Qualifications:
•    Bachelor's degree in Computer Science, Engineering, or a related field.
•    JLPT N1 or N2

Technical Skills(Mandatory):
•    Strong hands-on experience across front-end, back-end, APIs, databases, cloud deployment, and integration.
•    Practical exposure to AI-enabled applications, not just theoretical AI knowledge.
•    Ability to work directly with Japanese business and IT stakeholders without depending fully on another translator or coordinator.
•    Prior experience in building prototypes, MVPs, demos, pilots, or innovation solutions.
•    Front-End: React.js, Next.js, TypeScript, JavaScript, HTML5, CSS3, Tailwind CSS, Material UI.
•    Back-End: Node.js, Express.js, Python, FastAPI, Java Spring Boot or .NET Core.
•    Database: PostgreSQL, MySQL, MongoDB, Redis; ability to design practical data models for PoC/MVP use cases.
•    API and Integration: REST APIs, GraphQL, Webhooks, JSON, OAuth2, API Gateway concepts, third-party API integration.
•    Mobile / Edge Exposure: Progressive Web Apps, mobile-friendly UI, edge device integration, IoT gateway concepts; mobile app exposure is a plus.
Qualifications:
•    Bachelor's degree in Computer Science, Engineering, or a related field.
•    JLPT N1 or N2