GenAI Engineer, Specialist

Job Summary:

Design, develop, and deploy cutting-edge GenAI solutions leveraging large language models, retrieval-augmented generation, and prompt engineering to solve complex business problems in life insurance. You'll work across the full stack—from model selection and fine-tuning to application development and production deployment.

Key Responsibilities:

• Design and implement GenAI solutions using LLMs and other techs
• Build RAG (Retrieval-Augmented Generation) systems with vector databases
• Develop and optimize prompts for accuracy, reliability, and cost-efficiency
• Implement fine-tuning and model customization when needed
• Build evaluation frameworks to test model performance, bias, and safety
• Implement guardrails, safety checks, and content filtering
• Stay current with rapidly evolving GenAI landscape and best practices
• Document technical approaches and share knowledge with the team

Qualifications:

• 3+ years software engineering experience with production systems
• 1+ years hands-on experience with LLMs and GenAI applications
• Strong Python programming skills (FastAPI, LangChain, LlamaIndex, or similar)
• Experience with OpenAI, or other LLM APIs
• Understanding of RAG architectures and vector databases
• Experience with prompt engineering and optimization
• Familiarity with ML fundamentals
• Experience with cloud platforms (Azure, AWS, or GCP)
• Strong problem-solving and debugging skills
• Bachelor's degree in Computer Science, Engineering, or related field

Preferred Qualifications:

• Experience with embedding models and semantic search
• Knowledge of transformer architectures and attention mechanisms
• Experience with MLOps tools and practices
• Experience with front-end development (React, Vue, etc.)

Key Technical Skills:

• Python, REST APIs, JSON
• LLM frameworks: LangChain, LlamaIndex
• Vector databases and semantic search
• Prompt engineering and chain-of-thought techniques
• Model evaluation and testing frameworks
• Git, Docker, CI/CD basics

In accordance with recruitment policy and hiring standard of AIA (Thailand) Company Limited, after completing the selection process, you are required for criminal background check before joining the company. Your criminal record information will be retained according to the PDPA policy of the company. As per attached link [https://www.aia.co.th/th/about-aia/privacy/candidate]