Senior LLM Developer
Hays
Hong Kong
Full time
Contract
On-site
Competitive
About the job
Responsibility:
- Lead the design, development, and deployment of enterprise-grade LLM and Agentic AI applications.
- Build intelligent multi-step AI workflows involving planning, tool execution, reasoning, retries, and structured outputs.
- Design scalable and reliable application architectures beyond proof-of-concept solutions.
- Integrate AI solutions with APIs, enterprise platforms, databases, and front-end applications.
- Develop and optimise Retrieval-Augmented Generation (RAG) pipelines, vector search, embeddings, and context management frameworks.
- Establish best practices for LLM evaluation, testing, monitoring, observability, and version management.
- Drive performance optimisation across AI applications, including latency, cost efficiency, reliability, and security.
- Translate business requirements into practical technical solutions and architectural designs.
- Collaborate closely with Data Scientists, Product Teams, Engineers, and business stakeholders to deliver AI initiatives.
- Contribute to engineering excellence through code reviews, technical guidance, and continuous improvement of development standards.
- Bachelor's degree in Computer Science or a related field.
- 5+ years of software engineering experience with strong Python development skills.
- Proven experience delivering production-ready LLM, GenAI, or Agentic AI solutions.
- Hands-on expertise with agent frameworks such as LangGraph, LangChain, or similar technologies.
- Solid knowledge of RAG, vector databases, embeddings, and LLM orchestration.
- Experience in integrating AI applications with APIs, enterprise systems, databases, and front-end platforms.
- Strong with LLMOps, evaluation frameworks, testing, monitoring, and observability.
- Excellent problem-solving, communication, and stakeholder management skills.