【年収1800万円】Solutions Architect – Generative AI / Cloud - Fast Growing AI Startup

One of our clients is looking for a Solutions Architect to lead the design and delivery of enterprise AI and DX solutions, working closely with clients and highly skilled AI, data, and engineering teams. This is a hybrid position, with approximately 3 days of remote work per week. Depending on the project and client requirements, more remote work may be possible.

Annual salary: JPY 7,200,000 – 18,000,000, depending on experience and skills. Japanese Business Level Required! About the Company Our client is a fast-growing Japanese technology company with more than 500 employees across its group and a strong track record of supporting thousands of corporate clients. The company is currently expanding its AI organization and investing heavily in the practical adoption of Generative AI for enterprise customers.

The environment is highly international, with members from a wide range of countries and backgrounds. Engineers work closely with business and consulting teams to solve complex challenges for major Japanese enterprises. About the Position As a Solutions Architect, you will bridge client business requirements and technical implementation, leading AI/DX projects from initial solution design through implementation planning and ongoing improvement.

You will work directly with enterprise clients to understand and structure their business and technical challenges, then collaborate with AI Engineers, ML Engineers, Data Engineers, and Infrastructure Engineers to design the appropriate solution.

Key Responsibilities

Understand and structure clients’ business and operational challenges Design solution architectures covering AI, data, cloud infrastructure, and system integrations Select appropriate technologies, including LLMs, Generative AI, RAG, and data pipelines Define technical roadmaps and implementation approaches Coordinate with internal AI, ML, Data, Infrastructure, and Software Engineering teams Lead discussions with client-side technical and business stakeholders Prepare technical proposals, architecture documentation, and specifications Support project execution from initial proposal and PoC through implementation and operation Evaluate results after implementation and propose further improvements Why Apply?

This position is particularly attractive for someone who enjoys working at the intersection of technology and business rather than focusing exclusively on software development. You will have the opportunity to work directly with major enterprise clients on real-world Generative AI initiatives and influence technical decisions from an early stage.

The role also provides exposure to modern technologies such as LLMs, RAG, cloud-native architecture, serverless technologies, containers, and Infrastructure as Code while collaborating with highly experienced AI and engineering specialists. The company offers considerable autonomy, and Solutions Architects can directly influence technology selection, architecture, and implementation strategy.

Requirements

Must Have 3+ years of experience designing and operating Azure-based infrastructure 3+ years of professional experience in web application or cloud service development, including technical selection and system design 3+ years of experience in client-facing roles involving technical proposals, requirements definition, and stakeholder management Nice to Have Experience implementing or operating LLM, Generative AI, or RAG solutions Experience designing architecture for large-scale SaaS or enterprise systems Experience designing client solutions within an IT consulting firm or SIer Hands-on experience with Terraform / Infrastructure as Code Experience designing and operating AWS environments Ideal Profile Able to understand both technical and business requirements and translate between the two Comfortable working directly with enterprise clients Able to collaborate closely with hands-on engineers while taking ownership of overall solution design Interested in Generative AI and emerging technologies Comfortable working in a fast-moving environment with changing requirements Strong ownership and stakeholder-management skills Benefits Working Environment & Benefits Annual salary: JPY 7.

2M – 18M Hybrid work: approximately 3 days remote per week, with flexibility depending on the project Flexible working hours Core time: 13:00–16:00 Average overtime: approximately 10–20 hours/month Full social insurance Transportation allowance Family allowance for eligible employees with children 120+ annual holidays Full weekends and national holidays off Paid leave, year-end/New Year holidays, maternity and childcare leave Modern development equipment provided International working environment Regular performance and salary reviews Opportunities to work with experienced AI and engineering professionals