Quality Assurance Engineer - Hong Kong

Leadingnation; Hong Kong; On-site; HKD 420,000 - 640,000; Full time

Job summary

Leadingnation is seeking an experienced QA engineer to join our trading platform testing team in Hong Kong. You will design, implement, and maintain automated test cases for UI, APIs, and messaging systems, and help build robust regression and performance testing capabilities.

You will work with product and engineering to ensure data strategies and test coverage for end-to-end scenarios, leverage AI tools to improve efficiency, and contribute to test platforms and metrics to raise quality across

Qualifications

• 5+ years of testing experience with 2+ years in test development.
• Proficient in Python or Java with strong coding practices.
• Experience with frameworks like Pytest, Playwright, JMeter, K6, Locust.

Responsibilities

• Participate in functional, automated, and performance testing for trading platform systems.
• Design, develop, and maintain automated test cases for UI, APIs, and messaging middleware.
• Lead construction of test platforms, automation frameworks, and regression systems.
• Explore and apply LLMs and AI tools to enhance testing intelligence.
• Collaborate with product and engineering to design key regression and end-to-end tests.
• Support performance, stability, and capacity testing and improve testing metrics.

Skills

5+ years testing

2+ years test development

Python

Java

Strong coding practices

Communication skills

Education

Bachelor's degree in Computer Science or related field

Tools

Pytest

Playwright

Appium

JMeter

K6

Locust

Job description

Responsibilities

• Participate in functional, automated, and performance testing for trading platform systems.
• Design, develop, and maintain automated test cases for UI, APIs, and messaging middleware (e.g., Kafka, WebSocket).
• Participate in or lead the construction of test platforms, automation frameworks, and regression systems to improve testing efficiency and defect detection capabilities.
• Explore and apply Large Language Models (LLMs) and AI tools to enhance testing intelligence in areas such as test case generation, defect analysis, and report generation.
• Collaborate closely with product and engineering teams to understand business workflows and test data strategies, and design key regression and end-to-end (E2E) test scenarios.
• Support performance, stability, and capacity testing, and establish and continuously optimize testing metrics and quality indicators.

Requirements

• Bachelor’s degree or above in Computer Science or a related field, with 5+ years of testing experience, including 2+ years of test development experience.
• Proficient in at least one programming language such as Python or Java, with strong coding skills and good coding practices.
• Familiar with common testing frameworks and performance testing tools, such as Pytest, Playwright/Appium, JMeter, K6, or Locust.
• Solid understanding of HTTP, TCP, and WebSocket protocols, and familiarity with trading system architectures and financial business logic.
• Experience in building API automation systems, regression test platforms, mock services, or test data management platforms is a strong plus.
• Strong communication and collaboration skills, with solid problem analysis and summarization abilities, and a strong sense of quality ownership.
• Proficient in using AI tools (e.g., Copilot, ChatGPT, Cursor) to improve efficiency and intelligence in test design and execution.

• (Plus) Experience at prediction markets, trading exchanges