Data Engineer (Associate) - Chief Data Office - IT

Company Introduction:

We're home to Asia's most dynamic and vibrant capital markets.
Connecting capital, ideas, inspiration and innovation for deeper, more diverse and liquid global capital markets; providing greater choice and opportunity for our customers, each and every day.

HKEX is a purpose-driven company. Our commitment to the long-term development of our business and our markets is articulated in our purpose: "To Connect, Promote and Progress our Markets and the Communities they support for the prosperity of all."

Job Summary:
The Data Engineer (Associate) under Chief Data Office Data Engineering team is a critical role in designing and maintaining scalable data pipelines and infrastructure that support enterprise-wide analytics and reporting.

The incumbent will collaborate closely with data analysts, business stakeholders, and the Site Reliability Engineering (SRE) team to ensure data integrity, performance, and availability. The ideal candidate will have deep expertise in SparkSQL, Python, HDFS, and Trino.

Job Duties:

Job Responsibilities:

• Support the data transformation team in delivering high-quality, reliable data solutions
• Work with senior engineers, analysts, and business stakeholders to understand requirements and translate them into technical tasks
• Develop and maintain data pipelines using SparkSQL and Python under senior guidance
• Assist in managing data storage, retrieval, and organization within HDFS
• Use Trino to perform distributed SQL queries and support BI/reporting needs
• Contribute to ensuring data quality, integrity, and security across systems
• Monitor pipeline performance and assist in performance tuning and optimization
• Troubleshoot data issues and support production incident handling
• Work with the SRE lead and senior engineers on incident investigation and root-cause analysis

• Assist the Data Analytics team in conducting data exploration and performing data lineage analysis
• Deliver high-quality, maintainable data engineering work as part of the team
• Build and enhance ETL workflows and data models with mentorship
• Help ensure the stability, scalability, and performance of data infrastructure
• Support business intelligence and reporting through efficient data transformations
• Participate in on-call rotations or incident processes as assigned

Mandatory Skills & Qualifications:

• 5+ years of experience in data engineering or a related technical field
• Hands-on experience with SparkSQL for data processing
• Familiarity with HDFS and distributed file systems
• Working experience with Trino, Presto, or other distributed SQL engines
• Proficiency in Python for data manipulation and automation
• Understanding of ETL concepts, data modeling, and pipeline design
• Basic knowledge of distributed computing and big data ecosystems
• Basic proficiency in English and Mandarin (written and verbal)

Preferred Skills:

• Experience with Tableau or similar BI tools
• Exposure to cloud platforms (AWS, Huawei HCS, etc.)
• Understanding of SQL performance tuning concepts
• Familiarity with data governance, data quality frameworks, or metadata management
• Exposure to capital markets, trading systems, or investment workflows

HKEX is committed as an Equal Opportunity Employer. Diversity is one of our core values and we look to support, respect diverse perspectives, abilities, culture and experiences within our workplace.

Location:
HK-DTH 9/F

Shift:
Standard - 40 Hours (Hong Kong SAR)

Scheduled Weekly Hours:
40

Worker Type:
Permanent