Job Description

About BytePlus
BytePlus is the enterprise technology arm of ByteDance, providing Generative AI, multimodal models, AI agent solutions, and cloud infrastructure capabilities to businesses worldwide.

In Japan, we work with leading enterprises across multiple industries to drive AI adoption from proof-of-concept (PoC) to scalable commercial deployment. Our goal is not only to demonstrate cutting-edge technology, but to help organizations create sustainable and measurable business value.

Responsibilities
Pre-Sales & Solution Design
- Partner closely with the Japan regional Sales team to identify customer business challenges and technical requirements.
- Break down complex business problems into practical and scalable AI solutions.
- Lead technical demos, architecture discussions, RFI/RFP responses, and PoC design and delivery.
- Drive PoC-to-production conversion and ensure measurable business impact.
- Build technical credibility within customer organizations, from engineering teams to C-level executives.

AI Solution Development & Optimization (Hands-on)
- Participate in or lead the design and implementation of Generative AI applications, including LLMs, RAG systems, agent architectures, and multimodal solutions.
- Design and implement end-to-end system architectures, including model orchestration, knowledge base construction, vector database integration, API connectivity, and overall system integration.
- Evaluate system performance in real production environments (accuracy, latency, cost, scalability).
- Optimize prompt structures, inference workflows, and caching strategies to improve system stability and efficiency.
- Continuously refine solutions based on customer business KPIs.

Commercial Collaboration & Project Execution
- Act as the technical lead in customer engagements, supporting commercial discussions and technical negotiations.
- Collaborate with the Sales team to drive deal closure and contract execution
- Support account expansion initiatives (upsell / cross-sell).
- Take ownership of both technical quality and commercial success of assigned projects.
- Build and maintain long-term trusted relationships with enterprise clients.

Product & Market Feedback Bridge
- Provide structured frontline feedback to Product and Engineering teams.
- Drive localization and optimization of products for the Japan market.
- Identify repeatable, industry-level AI solution patterns and support scalable adoption.
- Contribute to the development of industry solution frameworks and methodologies for Japan.