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シニアAI・バックエンドエンジニア/ Senior AI &Backend Engineer

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A large global company is currently looking for a Senior AI &Backend Engineer.

  Location:Hyogo

  Overtime Hours:Less than 15 hours per month

  Salary (Can negotiate) Up to 8.4mil + Over time・Depends on your skill

  Working days:Monday to Friday

  Working Hours:9:00 AM to 6:00 PM (8 hours actual working hours/ 60-minute break)

  HolidaysSaturdays, Sundays, and public holidays

  Hiring company:Large global company (大手グローバル企業)

  Start date: (Can negotiate)

  Type of employment:Long term Contract (6 months rolling)

  Remote Work:2 times a week

Responsibilities:

  • Architecture Design & Technical Leadership (40%)
    • Design AI solution architectures and make key technology selection decisions
    • Design systems leveraging AWS services such as Bedrock, Lambda, API Gateway, ECS, and related technologies
    • Design and implement RAG (Retrieval-Augmented Generation), LLM orchestration, AI agents, and prompt engineering solutions
    • Develop and maintain POC accelerators and reusable templates, including evaluation harnesses
    • Make technical Go/No-Go decisions while evaluating trade-offs against business value
    • Conduct architecture reviews with a focus on security, cost optimization, and scalability
  • Hands-on Development & POC Delivery (40%)
    • Independently develop proof-of-concept (POC) solutions for ad hoc projects using rapid development cycles
    • Implement backend services and AI capabilities using Python and other relevant technologies
    • Develop LLM integrations, vector database solutions, and prompt engineering implementations
    • Establish production-ready code quality standards, testing strategies, and CI/CD pipelines
  • Mentoring & Team Enablement (15%)
    • Provide technical mentoring and code reviews for junior engineers
    • Strengthen team capabilities through pair programming and architecture/design reviews
    • Define and promote engineering best practices and coding standards
  • Stakeholder Collaboration (5%)
    • Partner with Business Analysts (BAs) to validate the technical feasibility of business requirements
    • Present technical proposals and solution recommendations to business stakeholders and executive leadership

Requirements:

  • 7+ years of professional experience as a Software Engineer and/or Backend Engineer
  • Proven experience designing, building, and operating production systems on AWS
  • Hands-on experience implementing Generative AI solutions, including RAG, LLMs, chatbots, AI agents, and related technologies
  • Experience mentoring and providing technical guidance to junior engineers
  • End-to-end experience delivering solutions from Proof of Concept (POC) through production deployment
  • **Japanese is not required for this position**

Keywords:

IT, バックエンド, 開発, AI, エンジニア, 在宅, 兵庫 求人

Job Ref: I3GJUZ

Contract Type: Contract / Haken

Specialism: Information Technology

Focus: Development

Industry: Retail

Salary: ご経験により相談可能

Workplace Type: Hybrid

Experience Level: Associate

Location: Hyogo

Job Reference: I3GJUZ-AE5A0FC6

Date posted: 17 July 2026

Consultant: Seiya Makino