Senior Software QA Engineer

Job description

Our client is an established **proprietary trading and technology firm** that is expanding its engineering capabilities in Taiwan. The firm combines quantitative research, systematic and discretionary trading strategies, and long-term technology investment. Its engineering environment is highly technical and collaborative, with a strong focus on performance, reliability, risk management and continuous improvement. They are now looking for a **Senior Software QA / SDET / Test Automation Engineer** to take ownership of the quality engineering strategy across their trading and research technology. This is a **hands-on software engineering role**, rather than a traditional QA position. You’ll be responsible for designing and building automated testing frameworks, developing testing infrastructure and improving the way quality is embedded throughout the software development lifecycle. You’ll work closely with software engineers, quantitative researchers, traders and operations teams to understand complex systems, identify areas of risk and build effective automated testing solutions. ### What you will do: - Designing, building and owning automated test frameworks for backend services, APIs and user-facing applications - Developing automated functional, integration and performance testing capabilities - Working closely with engineering, research, trading and operations teams to define quality requirements - Identifying weaknesses in existing test coverage and driving improvements across the development lifecycle - Promoting a **shift-left approach to testing**, helping engineering teams identify issues earlier in development - Participating in architecture and system-design discussions to improve testability - Validating system correctness, reliability and performance under **high-throughput and low-latency conditions** - Developing testing tools and infrastructure rather than simply writing or executing test cases - Contributing to engineering standards and best practices around automated testing ### What you will need: - **5+ years of experience** in QA automation, SDET or software test engineering - Demonstrable experience **designing and building an automation framework from scratch**, including the underlying architecture and technical decisions - Strong programming ability in at least one of **Python, TypeScript, Go or C++** - Experience using programming languages to build test frameworks, tooling and infrastructure — not simply writing test scripts - Strong understanding of software testing methodologies, test design and automation architecture - Experience integrating automated testing into **CI/CD pipelines** - Previous experience within **trading, fintech or financial technology**, ideally involving systematic trading or other complex, data-intensive systems - Strong communication skills and the ability to work closely with software engineers and research teams ### Nice-to-haves: - Experience with **Playwright, Pytest** or similar modern automation frameworks - Performance and load testing experience using tools such as **k6 or Locust** - Experience testing **low-latency, high-throughput systems** - Background in **systematic trading, quantitative finance or crypto/Web3** - Experience applying **AI/LLMs to software testing**, such as AI-assisted test generation, automated failure analysis or testing/evaluating non-deterministic AI systems - Working knowledge of **SQL and/or NoSQL databases** - Experience testing data warehouses, data lakes or streaming/data pipelines - Familiarity with observability and monitoring platforms such as **Datadog or Grafana**