AI Engineer: LLM & Digital Twin Prototyping

Siemens AG; Hong Kong; On-site; HKD 300,000 - 520,000; Full time

Job summary

Siemens Mobility Limited in Hong Kong is seeking a Junior Professional to support AI solution design and development for digital transformation projects. The role includes building prototypes with LLMs, RAG and enterprise AI platforms, and collaborating with cross‑functional teams in an agile setting.

You will work under guidance to test AI features, ensure traceability, and contribute to reusable components.

Qualifications

• Bachelor's or Master's degree in CS, AI, Data Science or related field.
• Up to 3 years of software/AI development experience.
• Strong Python foundation and OO programming.
• Experience with Git and writing clear code and documentation.
• Familiarity with APIs, prompt engineering, embeddings and RAG.
• English proficiency; Cantonese/Mandarin an advantage.

Responsibilities

• Support design and development of AI solutions and orchestration workflows for digital transformation projects, from early prototype through pilot, under technical guidance.
• Develop and test AI-assisted features for scenario analysis, decision support and operator advisory.
• Build working prototypes using large language models, retrieval‑augmented generation (RAG), APIs and Siemens platforms such as the LLM Gateway.
• Support integration of AI prototypes with simulation, digital‑twin, operational‑data and test environments.
• Implement logging, traceability and explainability features per project requirements.
• Create test cases, run experiments and evaluate AI outputs using agreed methods and metrics.
• Follow established software engineering, secure development, testing and version‑control practices.
• Build simple human–AI interface prototypes and demonstrate results to project teams and stakeholders.
• Contribute to reusable AI components, technical documentation and team knowledge sharing.
• Collaborate with AI, software, system and safety engineers in an agile environment.
• Keep up with developments in applied AI and share practical findings with teams.

Skills

Python

Object-oriented programming

Git

AI development

English communication

Education

Bachelor's or Master's degree in CS/AI or related field

Tools

LangGraph

LangChain

Docker

Semantic Kernel

Job description

Siemens Mobility Limited in Hong Kong is seeking a Junior Professional to support AI solution design and development for digital transformation projects. The role includes building prototypes with LLMs, RAG and enterprise AI platforms, and collaborating with cross‑functional teams in an agile setting.

You will work under guidance to test AI features, ensure traceability, and contribute to reusable components.