Application Support Engineer – Trading Systems

WE-PLUS HK LIMITED; Hong Kong; On-site; HKD 320,000 - 520,000; Full time

Job summary

WE-PLUS HK LIMITED in Hong Kong seeks a trading application support specialist to maintain equities/derivatives platforms for APAC markets. You will work with traders and technologists to ensure stability of mission-critical applications on Linux and will troubleshoot issues in production.

Requirements include 1–2 years in trading app support, strong Linux/Unix skills, Python, and familiarity with monitoring tools. English fluency is essential, Cantonese/Mandarin are a plus.

Qualifications

• University degree in IT or CS.
• 1–2 years trading app support in finance.
• Strong Linux/Unix scripting.
• Python proficiency in Linux and Windows.
• Experience with system monitoring tools.
• Experience with batch scheduling systems.
• Knowledge of cash and derivatives products.
• Derivatives pricing knowledge is a plus.
• Good communication and teamwork.
• Fluent English; Cantonese/Mandarin a plus.

Responsibilities

• Support equities and derivatives trading/pricing applications across APAC markets on Linux.
• Troubleshoot and diagnose production issues.
• Manage and track daily production problems and requests.
• Report bugs to development teams.
• Handle system enhancements and change initiatives.
• Conduct system QA testing and deployments.
• Monitor performance and ensure system availability.
• Follow ITIL incident escalation and change management.
• Provide and maintain system documentation.
• Rotational shift duties including mornings, weekends, and holidays.

Skills

Linux/Unix

Python

Trading application support

ITIL

Scripting

System monitoring

Batch scheduling

Derivatives pricing knowledge

Communication skills

Team player

Education

Bachelor's degree in Information Technology or Computer Science

Tools

Cron/Jobs scheduling

Job description

You will join the electronic trading support team of a global banking institution, providing front-line production support for equities and derivatives trading platforms across APAC markets. Working alongside traders and technologists, you will ensure the stability and performance of mission-critical trading applications in a fast-paced, high-stakes environment.

Key responsibilities

Support equities and derivatives trading/pricing applications (Stocks, ETF, Warrants, Options & Futures) across APAC markets on Linux platforms

Troubleshoot and diagnose functional and technical issues in the production environment

Manage and track daily production problems and user requests; ensure timely resolution and clear communication to stakeholders

Report bugs back to local and overseas development teams

Handle business-driven or exchange-driven projects, including system enhancements and market-driven change initiatives

Conduct system Quality Assurance testing; perform deployment or upgrade of mission-critical trading applications and systems

Monitor system performance and operations; proactively identify and address any issues to ensure optimal system availability

Follow ITIL Application Support methodology for incident escalation and system change management procedures

Provide and maintain system and process documentation

Rotational shift duties required (morning/lunch shifts, weekend and holiday support as per roster)

About you

University degree in Information Technology, Computer Science, or a related discipline

Minimum 1–2 years of experience in trading application support, preferably within a financial services or investment banking environment

Strong technical and scripting knowledge in Linux/Unix environments

Proficiency with Python in both Linux and Windows environments

Experience with system monitoring tools

Experience with batch scheduling systems

Good business knowledge of cash and derivatives products and market rules

Knowledge of Equities Derivatives pricing methods is an advantage

Strong decision-making and analytical skills

Proactive, results-driven, and takes initiative

Ability to innovate and solve problems under pressure

Strong team player with excellent interpersonal and communication skills

Fluent in English (Cantonese/Mandarin a plus)