Software Development Engineer in Test; SDET

Tradeweb is a global leader in electronic trading across asset classes. As financial markets become increasingly interconnected, our technology enables efficient, multi-asset trading on a global scale. We serve more than 3,000 clients in more than 85 countries, including many of the world?s largest banks, asset managers, hedge funds, insurers, corporations, and wealth managers.

Creative collaboration and sharp client focus have helped fuel our organic growth. We facilitated average daily trading volume (ADV) of more than $2.8 trillion over the past four fiscal quarters, topping $3.3 trillion in ADV for the first quarter of 2026.

Since our IPO in 2019, Tradeweb has completed four acquisitions and doubled our revenues ? and 2025 was our 26th consecutive year of record revenues.

Tradeweb plays a central role in modernizing market structure by developing innovative trading protocols, embedding analytics into execution, and building technology infrastructure that supports the convergence of traditional and digitally native financial markets. Tradeweb is a great place to work, recognized in 2025 by Forbes as one of America?s Best Companies and by U.S. News & World Report as one of the Best Financial Services Companies to Work For.

Tradeweb Markets LLC ("Tradeweb") is proud to be an EEO Minorities/Females/Protected Veterans/Disabled/Affirmative Action Employer.

As a technology-driven organization, we value individuals who embrace innovation and are eager to leverage emerging technologies, including AI, to improve efficiency, enhance decision-making, and deliver better outcomes for clients and colleagues. We believe the greatest impact comes from combining technological capabilities with human expertise, judgment, and accountability.

Group Details

We are seeking a highly skilled Software Development Engineer in Test (SDET) with strong test automation experience to join our engineering team. The ideal candidate will have a solid background in building and maintaining automated test frameworks for modern web applications.

This role requires a hands-on engineer who can design robust automation solutions, troubleshoot complex client-side issues, and work closely with developers, product managers, and Dev Ops teams to ensure high-quality software delivery. The candidate should also be comfortable working with SQL and Python for day-to-day validation, test data analysis, backend verification, and building utilities that support testing and release processes. Experience in trading platforms or within a financial institution is strongly preferred.

Tradeweb Technology jobs are fully remote. The Tradeweb Technology hub is in our Jersey City office which can be used for team meetings and collaboration efforts. There may be days where travel to the Jersey City office is recommended for organizational off sites.

Job Responsibilities

• Design, develop, and maintain scalable test automation frameworks for web-based applications.
• Create and execute automated functional, regression, integration, and end-to-end test suites.
• Support applications built with modern frontend technologies, including Angular and React.
• Use modern open-source automation frameworks such as Selenium, Cypress, Playwright, and WebdriverIO.
• Debug client-side JavaScript issues using Chrome Developer Tools, including browser console errors, network failures, UI rendering issues, and performance bottlenecks.
• Develop and maintain test utilities, support scripts, and validation tools using Python.
• Use SQL for data validation, troubleshooting, backend verification, reconciliation, and test data analysis.
• Collaborate closely with software engineers, QA, product owners, and Dev Ops teams to ensure quality throughout the software development lifecycle.
• Integrate automated tests into CI/CD pipelines using tools such as Git Lab CI or Jenkins.
• Work in Linux-based environments for test execution, troubleshooting, scripting, and automation support.
• Analyze defects, isolate root causes, and provide clear documentation for issues found during testing.
• Leverage modern AI-assisted development tools such as Cursor, Claude, GPT, or similar platforms to improve productivity, accelerate test creation, and enhance debugging and analysis workflows.
• Contribute to continuous improvement of quality engineering practices, tooling, and automation standards.

Qualifications

• Bachelor?s degree in computer science, Engineering, or a related field, or equivalent practical experience.
• 7+ years of experience in software quality assurance and testing, preferably within financial services or trading systems.
• Proven experience as an SDET, QA Automation Engineer, or similar role.
• Strong hands-on experience building and maintaining test automation frameworks.
• Experience with modern open-source JavaScript testing frameworks such as Selenium, Cypress, Playwright, and WebdriverIO.
• Good understanding of testing modern web applications built with Angular, React, or similar JavaScript frameworks.
• Strong experience debugging client-side…