AI Engineer for Investment Research & Automation

Millennium; Hong Kong; Hybrid; HKD 520,000 - 760,000; Full time

Job summary

Millennium is seeking an AI Engineer to own practical AI projects from problem definition to deployment, working with investment professionals to turn emerging AI capabilities into reliable research products.

You will design, build and maintain AI agents and workflows, connecting internal knowledge, public information, documents, data, APIs and analytical systems to support company research and market monitoring. Fluency in English and Mandarin is required.

Qualifications

• Bachelor’s/Master’s/PhD in CS or related field
• 1-3 years of professional AI/ML/Software Eng experience
• Strong software engineering skills in at least one modern programming language
• Hands-on experience with LLMs, AI agents and automation frameworks
• Ability to turn ambiguous requirements into working products and deliver from prototype to deployment
• Ability to learn rapidly while ensuring testing, reliability, and documentation
• Interest in new AI models, GitHub projects and research
• Fluency in English and Mandarin

Responsibilities

• Design, build and maintain AI agents and automated workflows for company research, industry analysis, earnings, market monitoring and event-driven work.
• Develop tools that connect internal knowledge, public information, documents, data, APIs and analytical systems.
• Build reliable multi-source data and document workflows for research use cases, including ingestion, transformation, quality checks and outputs.
• Evaluate new models, developer tools and open-source projects; test promising approaches like LLM knowledge systems and loop-based workflows.
• Translate emerging AI capabilities into useful research products rather than standalone demos.
• Partner with investment users to define requirements, communicate trade-offs and iterate based on evidence.
• Establish evaluation frameworks covering accuracy, source quality, usefulness, reliability, latency and cost.
• Improve tooling, documentation and reusable components to reduce manual work and support adoption across the team.

Skills

AI engineering

ML engineering

Software engineering

APIs

Databases

Data pipelines

Cloud platforms

LLMs

AI agents

Automation frameworks

Open-source AI

Requirements to product

Rapid learning

Testing & Documentation

English & Mandarin

Education

Bachelor’s/Master’s/PhD in CS/AI/Software Engineering

Tools

Document processing

Browser automation

Retrieval systems

Knowledge systems

Data visualization

Job description

Millennium is seeking an AI Engineer to own practical AI projects from problem definition to deployment, working with investment professionals to turn emerging AI capabilities into reliable research products.

You will design, build and maintain AI agents and workflows, connecting internal knowledge, public information, documents, data, APIs and analytical systems to support company research and market monitoring. Fluency in English and Mandarin is required.