Senior QA Engineer, Margin (Rust/Java)

Remote $150k–$210k senior 3 months ago full-time quality 8.3/10

JavaRustQA AutomationSoftware TestingMobile TestingAutomation FrameworksTesting Tools

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.

Minimum 3 years of experience in QA Automation or Software Testing, preferably in tech, fintech, or trading platforms.
Strong programming skills in Java / Rust with hands-on experience in automation frameworks and testing tools.
Mobile testing experience on iOS or Android is a plus.
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.

Shape the future with the world s leading blockchain ecosystem.
Collaborate with world-class talent in a user-centric global organization with a flat structure.
Tackle unique, fast-paced projects with autonomy in an innovative environment.
Thrive in a results-driven workplace with opportunities for career growth and continuous learning.
Competitive salary and company benefits.
Work-from-home arrangement (the arrangement may vary depending on the work nature of the business team).

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