Senior QA Engineer (Rust/Java), Margin

Responsibilities

Participate in the Margin team’s full software development lifecycle, from requirements analysis and test planning to execution, defect tracking, product delivery, and maintenance, with a strong focus on Java / Rust-based trading and risk systems.
Work closely with software engineers, product managers, designers, and operations teams to provide insights and feedback on system design, testing strategies, and implementation for margin trading products and risk control features.
Set up and manage testing environments, developing detailed and well-structured test plans and cases for complex trading workflows, margin calculations, liquidation processes, and high-concurrency systems.
Perform extensive testing including black-box, white-box, security, automation, and performance testing across web, mobile, backend, and distributed systems.
Stay up to date with the latest Java / Rust technologies and testing methodologies, continuously improving automation frameworks, testing efficiency, and overall product quality.

Requirements

Minimum 3 years of experience in QA Automation or Software Testing, preferably in tech, fintech, or trading platforms.
Strong programming skills in Java / Rust and familiar with automated testing methodologies, distributed systems, and high-concurrency architectures.
Strong troubleshooting and root cause analysis skills for debugging performance and system issues.
Familiarity with AI tools or large language models is a plus.

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